BEGIN:VCALENDAR VERSION:2.0 PRODID:-//CFP.DEV//CFP.DEV shortcodes//EN CALSCALE:GREGORIAN METHOD:PUBLISH X-WR-CALNAME:Voxxed Days Zürich 2026 X-WR-RELCALID:c426493a-54d4-472b-b975-6f3aaa7163fa X-WR-TIMEZONE:Europe/Brussels BEGIN:VEVENT UID:cfp-1151-13600@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T081500Z DTEND:20260324T085000Z SUMMARY:The Promise of Trustworthy AI DESCRIPTION:Teams building with AI are often presented with a false choice: share data to get frontier models\, or protect privacy and accept weaker results. It is a convenient story\, especially for anyone who benefits fro m accessing your data\, but it is not the full story.This session introduc es a counterintuitive paradigm where AI models can improve without ever co llecting your raw data\, and where organizations can collaborate without g iving up control. By combining Federated Learning\, the idea of training l ocally while learning globally\, with cryptographic computation on encrypt ed updates using Homomorphic Encryption\, the result is a system that trea ts privacy not as a policy or a feature\, but as a structural property by design.Through practical examples\, this session explores why centralized training creates hidden constraints like security exposure\, compliance fr iction\, and data gravity that limit real-world adoption. You will learn h ow Federated Learning flips the classic “bring data to the code” appro ach\, and how Fully Homomorphic Encryption closes the final subtle leak: w hat model updates can reveal\, even when your valuable data never leaves y our yard.\nSpeakers: César Soto Valero\nTrack: Machine Learning & AI URL:https://vdz26.voxxeddays.ch/talk/the-promise-of-trustworthy-ai/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Machine Learning & AI END:VEVENT BEGIN:VEVENT UID:cfp-1151-13559@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T091000Z DTEND:20260324T095500Z SUMMARY:From Shadows to Spotlight - How Swiss Post Performs Reliable ML Dep loyment DESCRIPTION:Moving a machine learning model from exploration into productio n is never a straight path.Academic success often relies on clean datasets \, controlled environments\, and benchmark metrics—but in the real world \, models face data drift\, latency constraints\, integration challenges\, and the risk of wrong predictions directly impacting customers and busine ss processes.In this talk\, we share our journey of bringing fraud detecti on models from research into production at Swiss Post. We highlight the ro le of the shadow model approach\, where new models run in parallel with pr oduction systems to safely validate performance on live traffic.You’ll l earn how shadow testing helps measure robustness\, monitor data drift\, an d align with business KPIs—without introducing operational risk.Attendee s will take away concrete practices for bridging the gap between academic experimentation and real-world operations: how to design safe rollouts\, b uild monitoring pipelines\, and decide when a model is ready for prime tim e.\nSpeakers: Giovanni Degiorgi\nTrack: Data URL:https://vdz26.voxxeddays.ch/talk/from-shadows-to-spotlight-how-swiss-po st-performs-reliable-ml-deployment/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Data END:VEVENT BEGIN:VEVENT UID:cfp-1151-13555@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T091000Z DTEND:20260324T095500Z SUMMARY:Social Engineering: Hacking Humans DESCRIPTION:We put so much effort into securing our systems. We enforce mul ti-factor authentication. We deploy WAFs. We mandate software updates. We constantly scan our code. We encrypt our communication and sensitive data. Researchers ensure that ciphers remain strong. Yet\, we’re still gettin g hit. Facebook lost $99 million\, Ubiquiti $39.1 million\, Google $23 mil lion\, Toyota $37 million\, the Government of Puerto Rico $2.6 million\, a nd Belgian Bank Crelan $75.8 million.What is the common denominator in all these attacks? Social engineering. It is one of the most subtle yet poten t set of techniques\, often used by individuals or groups to exploit human weaknesses and gain access to systems and sensitive data. No organization or group is immune to this form of attack.Working in an IT company places us in the crossfire. On one hand\, we have access to not only business da ta but also information that could be exploited to attack our organization . On the other hand\, IT professionals themselves are well-positioned\, ma king themselves potential targets of attacks.While it’s almost impossibl e to be fully protected against social engineering\, it is vital to unders tand the possible vectors of attack. Various methods and psychological tri cks can be used to compromise our security or that of our organization.So\ , let’s buckle up and take a small step toward becoming more secure.\nSp eakers: Pawel Suchołbiak\nTrack: Security URL:https://vdz26.voxxeddays.ch/talk/social-engineering-hacking-humans/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Security END:VEVENT BEGIN:VEVENT UID:cfp-1151-13557@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T091000Z DTEND:20260324T095500Z SUMMARY:AI without spaghetti: Clean architecture in the age of AI DESCRIPTION:Is your shiny new AI feature already tangled in a plate of spag hetti code\, with helper classes sticking out like rogue meatballs and sur prise side effects splattering everywhere? In this session\, we follow a s hort story of a small chatbot named Leo that grows into a full‑blown pla tform\, showing how careless choices turn neat experiments into costly tra ps. We then flip the script and refactor the same product into a scalable\ , enterprise-ready architecture using Clean Architecture. Drawing clear li nes between domain\, application\, and infrastructure so that models can c hange without breaking everything else. By the end\, you will see that goo d structure is not a luxury\, but the only way to keep your AI moving fast without regrets.What we cover- The hidden cost of “just ship it” when models\, data pipelines\, and prompts keep changing- Where Clean Architec ture fits in a modern AI stack: domain\, ports\, adapters\, and model gate ways- Demo: Route simple queries to a local LLM and advanced ones to the c loud\, in minutes\, not days.- Pitfalls we hit in real projects and the pa tterns that saved usWhat you will learn- How to spot early signs of archit ectural decay in AI projects- A step‑by‑step guide to isolating AI con cerns from business rules- Practical tips for introducing structure into a n existing “AI spaghetti” codebase\nSpeakers: Maarten Vandeperre\, Lut ske de Leeuw\nTrack: Architecture URL:https://vdz26.voxxeddays.ch/talk/ai-without-spaghetti-clean-architectur e-in-the-age-of-ai/ LOCATION:Room 7\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Architecture END:VEVENT BEGIN:VEVENT UID:cfp-1151-13558@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T091000Z DTEND:20260324T095500Z SUMMARY:Getting more out of Maven DESCRIPTION:Maven is an ubiquitous build tool in the Java ecosystem\, some even claim it’s the de facto standard build tool. Configuring Maven is d eceptively simple\, after all it’s just a matter of writing XML\, isn’ t it? Things look differently when the rubber meets the road. One must kno w the intricacies of the build lifecycle\; how plugins\, goals (mojos)\, a nd phases come together\; rules for dependency resolution\; configuration inheritance between parent – child POM files\; enhancing the build with profiles\; and more. That’s a lot to keep track of. Fortunately modern I DEs like IntelliJ IDEA provide great support to configure and run Maven\, with code completion\, navigation\, custom run configurations\, and more.C ome learn how both tools can be used together for better results in your d aily work.\nSpeakers: Marit van Dijk\, Andres Almiray\nTrack: Build & Depl oy URL:https://vdz26.voxxeddays.ch/talk/getting-more-out-of-maven/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Build & Deploy END:VEVENT BEGIN:VEVENT UID:cfp-1151-13556@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T091000Z DTEND:20260324T095500Z SUMMARY:Streams Below the Surface DESCRIPTION:Java programmers ❤️ streams! They brought us at least some of the joys of functional programming: code that’s clear and elegant\, a nd even\, sometimes\, performant. But how do they work? Many people don’ t know\, and that puts them in danger of writing code that seriously under performs. In this talk we’ll look at the principles and some details of the implementation\, and we’ll work out some useful principles about how – and even whether – to use streams in practice. The talk will be up to date with the new feature of Gatherers\, revealing the mystery of the g reedy flag. You’ll come away from this talk with a new understanding of how streams work\, the assumptions that underlie their design\, and how yo u too can write stream code that both looks good and performs well.\nSpeak ers: Cay Horstmann\, Maurice Naftalin\nTrack: Java URL:https://vdz26.voxxeddays.ch/talk/streams-below-the-surface/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Java END:VEVENT BEGIN:VEVENT UID:cfp-1151-13563@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T100500Z DTEND:20260324T105000Z SUMMARY:Create Intelligent MCP based applications with Quarkus DESCRIPTION:Model Context Protocol (MCP) is an open standard that enables s eamless integration between LLM based applications and agents with externa l systems\, thus allowing us to dynamically enhance the model/agent that a cts as a client\, with capabilities provided by connected MCP servers.The Quarkus project created one of the first MCP implementations in Java. Quar kus provides an ideal runtime for coding intelligent applications and agen ts that use the MCP protocol to call out to external MCP servers\, or conv ersely\, let you implement powerful MCP servers that can be invoked by any compliant LLM based application written in any programming language.Wheth er you want to connect to your favorite database\, integrate with your com pany’s systems\, or build something completely new\, everything is possi ble! Quarkus will handle all the MCP plumbing and through its hundreds of extensions will help you implement any simple or complex enterprise integr ation scenario that can enhance your intelligent workflows.Come to this ta lk to learn how MCP works and how to use it effectively with Quarkus.\nSpe akers: Dimitris Andreadis\nTrack: Machine Learning & AI URL:https://vdz26.voxxeddays.ch/talk/create-intelligent-mcp-based-applicati ons-with-quarkus/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Machine Learning & AI END:VEVENT BEGIN:VEVENT UID:cfp-1151-13560@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T100500Z DTEND:20260324T105000Z SUMMARY:Coding a Multi-Agent Game Master with Spring AI DESCRIPTION:The Game Master (GM) plays a central role in role-playing games : they create the players’ stories\, embody non-player characters (NPCs) \, and ensure the rules are followed. AI can be a powerful ally for GMs\, helping them check rules\, improvise scenarios\, and create content on the fly. In this talk/live coding session\, we’ll build together an AI mult i-agent Game Master using Spring AI. We’ll set up specialized agents for different GM responsibilities and explore how they collaborate through th e Agent-to-Agent (A2A) protocol and tool integrations via the MCP protocol .\nSpeakers: Arnaud JEAN\, Alessandra Pasini\nTrack: Backend Development URL:https://vdz26.voxxeddays.ch/talk/coding-a-multi-agent-game-master-with- spring-ai/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Backend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13562@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T100500Z DTEND:20260324T105000Z SUMMARY: Profiling Without Pain: Always-On Performance for the JVM DESCRIPTION:You did all the right things. The latest JVM\, a fancy modern f ramework (Quarkus\, naturally)\, and domain driven design. And it works - it’s just slow. At least\, your colleague Ted thinks so - his overly-det ailed bug reports leave little to the imagination - and the metrics from p rod certainly don’t lie. You’ve tried everything to make Ted happy aga in - tweaks in dev\, careful microbenchmarks\, hours lost to the profiler. You’ve even consulted the hallowed garbage collection tuning guides. An d still\, the issue won’t reveal itself. Enter continuous profiling - a tool enabled in part by the Java Flight Recorder - a way of capturing and actioning profiling data with low overhead in production\, and correlating it back to all your important request metadata.In this talk you will lear n how continuous profiling can help us diagnose and resolve performance is sues by tying our profiles back to actual traffic\, how it works under the hood\, and how it differs from traditional profiling. We’ll dive deep i nto the JFR - the Java subsystem that underpins Java'\;s modern profili ng support - and see how we can use open-source tools to bridge the gap fr om JFR to production\, always-on profiling. By the end\, you’ll know how to enable\, interpret\, and operationalise continuous profiling in your o wn JVM applications - turning “it’s kinda slow sometimes” into somet hing you can actually action.\nSpeakers: Scott Gerring\nTrack: Backend Dev elopment URL:https://vdz26.voxxeddays.ch/talk/profiling-without-pain-always-on-perfo rmance-for-the-jvm/ LOCATION:Room 7\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Backend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13564@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T100500Z DTEND:20260324T105000Z SUMMARY:The Ultimate Guide to Browser-Based AI: Privacy-First\, Offline-Rea dy\, and Fully Future-Proof DESCRIPTION:Generative and intelligent features are quickly becoming a core part of modern web experiences—but they often come with trade-offs: pri vacy concerns\, reliance on internet connectivity\, and the cost of using cloud-based APIs. What if you could bring powerful AI directly into the br owser\, on the user'\;s device?In this session\, we’ll explore the fu ll landscape of browser-based AI and machine learning—no servers require d. From text generation and image recognition to real-time transcription a nd offline copilots\, the web platform now provides a rich toolbox of APIs and tools to enable truly private\, performant\, and intelligent experien ces.\nSpeakers: Maxim Salnikov\nTrack: Frontend Development URL:https://vdz26.voxxeddays.ch/talk/the-ultimate-guide-to-browser-based-ai -privacy-first-offline-ready-and-fully-future-proof/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Frontend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13561@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T100500Z DTEND:20260324T105000Z SUMMARY:From Fragile to Fearless: Writing Tests That Last DESCRIPTION:We all know writing tests is important to ensure that our code behaves as expected. Tests should not only ensure that our new code is cor rect\, but they should also serve as a means of detecting regression bugs early.Most of the unit tests I’ve seen in my previous projects is\, howe ver\, coupled to the technical implementation\, which makes it hard to det ect regression issues! Bugs are often introduced while refactoring existin g code. Refactoring should be a task to improve the existing code\, withou t altering the functionality.If our tests are coupled to the structure of the code\, we will have to update our tests while refactoring. This change can cause programming mistakes\, because we don’t have working tests wh ile completing the refactoring.During this presentation\, I’ll elaborate on two different styles of writing unit tests. We will explore different opinions about the definition of a unit\; and we will explore how these op inions are translated into tests. Very often\, these tests are called soli tary and sociable unit tests.I will demonstrate the difference with some p ractical code examples\, which will clarify the pros and cons of the diffe rent styles of writing tests. But we will also explore the subtle differen ces between the sociable unit tests and integration tests.Afterwards\, I b elieve that you will be able to write tests that can survive refactoring t he code while minimizing the amount of work to keep the tests running!\nSp eakers: Wouter Bauweraerts\nTrack: Development Practices URL:https://vdz26.voxxeddays.ch/talk/from-fragile-to-fearless-writing-tests -that-last/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Development Practices END:VEVENT BEGIN:VEVENT UID:cfp-1151-13568@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T110000Z DTEND:20260324T112000Z SUMMARY:Debugging Your Health: Fitness for Desk Warriors DESCRIPTION:Sitting for hours\, hunching over keyboards\, and surviving on caffeine – sound familiar? As tech professionals\, we optimize code\, de bug software\, and fine-tune systems\, but we often neglect the most cruci al system of all: our bodies. In this fun and practical talk\, we’ll exp lore everyday health "\;bugs"\; caused by our desk-bound lifestyle s and quick "\;hotfixes"\; to improve posture\, energy\, and overa ll well-being. From micro-workouts that fit into your workday to ergonomic tweaks and simple movement hacks\, you'\;ll walk away with an actionab le plan to keep your body running at peak performance.\nSpeakers: Radek Ka rgul\nTrack: People & Culture URL:https://vdz26.voxxeddays.ch/talk/debugging-your-health-fitness-for-desk -warriors/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:People & Culture END:VEVENT BEGIN:VEVENT UID:cfp-1151-13566@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T110000Z DTEND:20260324T112000Z SUMMARY:Develop your own Browser extension. DESCRIPTION:Browser extensions are widely used for making everyday web surf ing easier. But have you ever considered creating one to support your main product development?Imagine\, you don'\;t click through all client jou rney steps to get to the one you currently work on\, or you don'\;t set those authentication cookies manually anymore. You can manage that via a dedicated browser extension\, which\, in fact\, is as simple to create as basic frontend SPA.\nSpeakers: Łukasz Nowak\nTrack: Mind the Geek URL:https://vdz26.voxxeddays.ch/talk/develop-your-own-browser-extension/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Mind the Geek END:VEVENT BEGIN:VEVENT UID:cfp-1151-13567@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T110000Z DTEND:20260324T112000Z SUMMARY:JBang\, a Java file to rule them all? 💍 DESCRIPTION:In the Java world\, we'\;re used to initializing a project w ith numerous files and directories. To the point that CLI tools have emerg ed to help us create SpringBoot or Quarkus projects\, for example.Then com es the choice of the "\;package manager"\;: Maven or Gradle?And it '\;s only from there that we can start developing and running our code 😅.All these tedious steps explain why\, when we need to automate a quic k action with a few lines of code\, we prefer other languages to Java\, su ch as Python.And if I told you that\, with JBang\, you'\;ll be able to stay with your favorite language\, Java\, and develop a simple class (with external dependencies) in just a few seconds!That'\;s the bet (spoiler : it works) that I propose to discover during a live coding session.So\, g et ready for the joys of scripting in Java!\nSpeakers: Stéphane Philippar t\nTrack: Java URL:https://vdz26.voxxeddays.ch/talk/jbang-a-java-file-to-rule-them-all/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Java END:VEVENT BEGIN:VEVENT UID:cfp-1151-13571@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T113000Z DTEND:20260324T115000Z SUMMARY:Don’t Panic! A Hitchhiker’s Guide to Keeping the Human Edge in a Universe of Instant Output DESCRIPTION:AI launches us into an era of vibe coding and vibe designing. B eside the occasional existential eyebrow raise\, we celebrate how much mor e we can create in so little time. And who doesn’t remember that first m oment of generating something in seconds and feeling briefly a bit superhu man? It’s a thrill I once chased when becoming an industrial designer: c reating a perfect product in as little time as possible. But during my edu cation\, I learned a truth AI now tempts us to forget: joy doesn’t come from the output\, but from the journey towards it. Real mastery still live s in the wonderfully human process of exploring\, experimenting\, and wres tling with complexity. Tacit knowledge – the intuition that guides us th rough outages\, refactors\, and legacy integrations – doesn’t material ize when we outsource instant output. But when AI generates code and desig ns in seconds\, in which space can developers still build mental models an d slip into that rare flow state? This talk is a hitchhiker’s guide for everyone using AI to accelerate software development: the eager\, the caut ious\, and the mildly alarmed. But this isn’t a talk about whether AI wi ll or won’t replace developers. It’s about something far stranger and more human: Join a journey that spans developer experience\, design thinki ng and knowledge management to explore how to keep the human edge in a uni verse of effortless artificial creation.\nSpeakers: Janina Sutter\nTrack: People & Culture URL:https://vdz26.voxxeddays.ch/talk/don-t-panic-a-hitchhiker-s-guide-to-ke eping-the-human-edge-in-a-universe-of-instant-output/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:People & Culture END:VEVENT BEGIN:VEVENT UID:cfp-1151-13570@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T113000Z DTEND:20260324T115000Z SUMMARY:Did You Not Get the Memo? Signed\, Atomic Design DESCRIPTION:Most teams fight React performance with memoization band aids a nd prop drilling acrobatics.We obsess over useMemo and useCallback\, sprin kle React.memo everywhere and hope for the best. Yet performance problems keep surfacing. The root issue is usually not a lack of memoization\; it i s a misunderstanding of component architecture.This talk dives into how Re act’s reconciliation works\, and how combining it with Atomic Design pri nciples gives you a natural performance model without escape hatches. By s tructuring components around stability boundaries and predictable render s urfaces\, you avoid unnecessary re-renders from the start and remove half the memo calls currently in your codebase. I will show real examples at sc ale\, common reconciliation traps\, measurable outcomes when refactoring w ith atomic boundaries and how to test and profile effectively. You will le ave knowing where React pays attention\, how to design with reconciliation in mind and why deleting memoization more often than not is in your favor .\nSpeakers: Faris Aziz\nTrack: Frontend Development URL:https://vdz26.voxxeddays.ch/talk/did-you-not-get-the-memo-signed-atomic -design/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Frontend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13569@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T113000Z DTEND:20260324T115000Z SUMMARY:Sharing is caring! Building trust in a system through transparency: lessons from Swiss Post E-Voting system DESCRIPTION:In this 20-minute presentation\, we explore the question of how to build trust in a system\, through a dynamic Q&\;A format between tw o presenters\, where each new question challenges the previous answer.Base d on our experience with the Swiss Post E-Voting system\, we share our sec ure software development best practices.We clarify the common misconceptio n that secrecy equals security\, and dive into the real challenges develop ers face when building secure and auditable applications. Topics include c ode conventions\, rigorous code reviews\, reproducible build\, and the rea lities of publishing a code base.This talk is aimed at developers\, securi ty engineers\, and anyone interested in open source and digital trust.Atte ndees will leave with practical insights and best practices they can apply to their own systems.\nSpeakers: Fabrizio Beretta Piccoli\, Céline Camac ho\nTrack: Development Practices URL:https://vdz26.voxxeddays.ch/talk/sharing-is-caring-building-trust-in-a- system-through-transparency-lessons-from-swiss-post-e-voting-system/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Development Practices END:VEVENT BEGIN:VEVENT UID:cfp-1151-13572@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T120000Z DTEND:20260324T124500Z SUMMARY:Agentic AI Patterns DESCRIPTION:Developing AI applications today goes beyond simple single-mode l interactions. We'\;re seeing a shift towards agentic AI systems\, whe re multiple specialized agents work together\, each capable of independent reasoning. The real challenge for an AI architect lies in orchestrating t hese agents to collaborate effectively towards a common goal.Given the div erse and complex tasks these systems handle\, a "\;one-size-fits-all&q uot\; approach to coordination just doesn'\;t work. We'\;ll explore the spectrum of agentic patterns\, from reliable but rigid workflows to hi ghly flexible\, autonomous agent orchestration using LLMs\, and everything in between.Beyond just sequencing agents\, effective communication is vit al. Agents need a shared space to exchange results and enrich each other&# 39\;s contexts.This talk will cover:The pros and cons of various agentic p atterns.Practical demonstrations of how to combine these patterns using La ngChain4j and its Quarkus extension.How to leverage the provided infrastru cture for agent collaboration.The flexibility to implement and seamlessly integrate your own custom agentic patterns.\nSpeakers: Mario Fusco\, Kevin Dubois\nTrack: Machine Learning & AI URL:https://vdz26.voxxeddays.ch/talk/agentic-ai-patterns/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Machine Learning & AI END:VEVENT BEGIN:VEVENT UID:cfp-1151-13576@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T120000Z DTEND:20260324T124500Z SUMMARY:Who to blame? The AI\, The Programmer\, or The Prompt? DESCRIPTION:This interactive session transforms AI security education into an engaging courtroom-style debate. We'\;ll present five critical vulne rabilities affecting modern AI development tools\, and after each case stu dy\, the audience becomes the jury—voting on who'\;s responsible: the careless user\, the negligent developer\, or the inadequate service provi der.We'\;ll dissect real CVEs including GitHub Copilot'\;s wormable RCE (CVE-2025-53773)\, MCP server command injections (CVE-2025-53107\, CVE -2025-5277)\, GitHub'\;s private repository leak via prompt injection\, and Microsoft Copilot'\;s zero-click data exfiltration (CVE-2025-32711 ). Each case reveals technical root causes through collaborative analysis. The conclusion challenges the "\;blame game"\; itself: these vulne rabilities expose fundamental architectural weaknesses in agentic AI syste ms where traditional security models fail. We'\;ll establish that secur ing AI tools demands a shared responsibility framework—developers must c ode defensively\, providers must architect securely\, and users must under stand AI-specific risks. The session culminates with actionable best pract ices for each stakeholder.\nSpeakers: Makan Sepehrifar\nTrack: Security URL:https://vdz26.voxxeddays.ch/talk/who-to-blame-the-ai-the-programmer-or- the-prompt/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Security END:VEVENT BEGIN:VEVENT UID:cfp-1151-13574@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T120000Z DTEND:20260324T124500Z SUMMARY:Ashes to Ashes\, Specs to Specs: A Farewell to Old Testing Tools DESCRIPTION:While tools like Jasmine\, Karma\, and Jest were always there w hen we needed them\, it’s time to move on.In this talk\, we’ll revisit the battle scars they left behind — like the hours spent forcing things to just work with the tests — and explore how tools like Vitest aren’ t just trendier. They’re the result of hard-earned lessons in speed\, re liability\, and developer experience.You’ll leave with:A sense of closur e for the old stack.A tour of the modern features Vitest brings to the tab le.A migration path to Vitest.Concrete patterns that future-proof your Ang ular tests.Come for the nostalgia. Stay for the clarity.\nSpeakers: Younes Jaaidi\nTrack: Frontend Development URL:https://vdz26.voxxeddays.ch/talk/ashes-to-ashes-specs-to-specs-a-farewe ll-to-old-testing-tools/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Frontend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13575@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T120000Z DTEND:20260324T124500Z SUMMARY:Team and Software: Making an Impact as an Architect DESCRIPTION:Many believe that software architects primarily structure softw are and make technical decisions. But in reality\, it’s about much more: your ideas and decisions must be implemented by the team and aligned with all stakeholders. Moreover\, the organization itself has a significant in fluence on the architecture.That’s why it’s so important for architect s to be effective - both within the organization and in the architecture i tself. This talk demonstrates how to achieve that in practice\, drawing on years of experience as an architect and architecture consultant.\nSpeaker s: Eberhard Wolff\nTrack: Architecture URL:https://vdz26.voxxeddays.ch/talk/team-and-software-making-an-impact-as- an-architect/ LOCATION:Room 6\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Architecture END:VEVENT BEGIN:VEVENT UID:cfp-1151-13573@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T120000Z DTEND:20260324T124500Z SUMMARY:Quarkus Unleashed DESCRIPTION:Quarkus mission is to transform your entire application\, inclu ding its libraries\, into an artifact that uses significantly fewer resour ces than traditional approaches. These can then be used to build native ap plications using GraalVM. To do this\, you need to analyze and understand the whole "\;closed world"\; of the application. The best that can be achieved without the full context is partial and limited generic suppo rt. In this session\, we will unleash the power of Quarkus Extensions\, an d show you how to achieve all the Quarkus cool features\, like hot reloadi ng\, Dev Services\, or native compilation to any Java library.\nSpeakers: Roberto Cortez\nTrack: Java URL:https://vdz26.voxxeddays.ch/talk/quarkus-unleashed/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Java END:VEVENT BEGIN:VEVENT UID:cfp-1151-13578@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T125500Z DTEND:20260324T134000Z SUMMARY: Secure By Design: Architecting your cloud ad AI workloads from the perspective of infosec DESCRIPTION:So you'\;ve vibe-coded your Super Smart AI Agentic App and a re ready to set it free on the Internet. You are sure it will do well\, it solves this amazing use-case\, with such clever technology! You pick your favourite cloud provider\, decide on a runtime - perhaps\, Kubernetes or Cloud Run - buy a domain\, ask Gemini to wire up a deployment pipeline. Ha ppy days! But here'\;s the thing. You can'\;t vibe-code security. Ev ery single thing you deploy to the cloud needs to be secured. And it'\; s a hard task! Even for cybersecurity professionals. But fret not. Cloud p roviders\, such as Google Cloud\, have already put in the work to make you r job easier. And in this talk\, you will learn the fundamentals of securi ng your workloads\, (almost) end-to-end.\nSpeakers: Natalie Godec\nTrack: Security URL:https://vdz26.voxxeddays.ch/talk/secure-by-design-architecting-your-clo ud-ad-ai-workloads-from-the-perspective-of-infosec/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Security END:VEVENT BEGIN:VEVENT UID:cfp-1151-13579@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T125500Z DTEND:20260324T134000Z SUMMARY:Break the silo: How we built a decentralized control plane for serv ice orchestration DESCRIPTION:At Julius Baer we are building an internal platform to support dozens of DevOps teams in delivering and operating hundreds of application s.With different product teams delivering their own offerings like\, but n ot limited to\, CI/CD\, data streaming\, or public cloud services\, we hit a crossroad: how are we going to enable access to those platform capabili ties in an easy and consistent way\, while at the same time promote method ologies like GitOps and Infrastructure as Code.Traditionally\, each team w ould build their own automation in a vacuum\, leaving to someone else inte grating it and providing a simple interface to users\, likely in the form of an ordering portal.Instead\, let us walk you through the journey where organizational models and technology shape each other\, resulting in us ad opting a decentralized Crossplane setup to keep automation responsibilitie s close to the product teams while at the same time enabling a consistent public API governed by a central authority\, effectively a Service Catalog built upon Kubernetes’ Custom Resource Definitions.\nSpeakers: Eros Tab orelli\nTrack: Architecture URL:https://vdz26.voxxeddays.ch/talk/break-the-silo-how-we-built-a-decentra lized-control-plane-for-service-orchestration/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Architecture END:VEVENT BEGIN:VEVENT UID:cfp-1151-13581@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T125500Z DTEND:20260324T134000Z SUMMARY:Database Connection Pool Sizing - Demystified! DESCRIPTION:This talk addresses a common misconception in Oracle applicatio n development: that larger connection pools in the backend automatically l ead to better performance. While this belief is widespread\, experienced D BAs understand that oversized connection pools can actually harm performan ce. The presentation provides an introduction to connection pool sizing fo r backend developers of all seniority levels\, explaining the reasons why excessively large pools negatively impact system throughput and resource e fficiency.A key part of the discussion focuses on mathematical principles behind connection pool behavior\, including Kingman'\;s law\, which mod els queueing delays\, to illustrate how adding more connections can increa se waiting times rather than reduce them. The talk also covers the mathema tical foundations for sizing connection pools optimally based on workload and resource constraints.By the end of the session\, attendees will be equ ipped with practical formulas and guidelines to calculate the appropriate size for their connection pools. This knowledge will enable them to guide application teams towards resizing their pools in a way that maximizes per formance\, stability\, and efficient resource use\, rather than simply inc reasing pool size in hopes of improving it.\nSpeakers: Jasmin Fluri\nTrack : Data URL:https://vdz26.voxxeddays.ch/talk/database-connection-pool-sizing-demyst ified/ LOCATION:Room 6\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Data END:VEVENT BEGIN:VEVENT UID:cfp-1151-13580@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T125500Z DTEND:20260324T134000Z SUMMARY:Micro-Frontend & Me\, a love story DESCRIPTION:How I Fell in Hate with Microfrontends: setting the stage with my initial skepticism\, why I thought microfrontends were over-engineered and stupid\, and what our frontend architecture looked like at the time (s ingle repo\, shared codebase\, coupled deployments) before anything change d.Mapping Their Problems to Our Reality: connecting those stories to pain we were already feeling (deployment bottlenecks\, cross-team coupling\, ri sky releases\, slow feedback loops)\, and how that reframed microfrontends from “fad” to “maybe this is actually the right tool for these spec ific issues.”Choosing Our Microfrontend Architecture: explaining the con crete decisions we made about boundaries (how we sliced the app)\, integra tion style (routing\, composition\, shared design system)\, and tooling (b uild\, deployment\, and communication patterns)\, plus what we intentional ly chose not to do because it would have hurt performance or complexity.Wh at You’ll Learn: a practical mental model for when microfrontends actual ly solve a problem versus when they’re just architecture cosplay\, a sim ple way to slice your app and choose an integration style that matches you r org\, and a set of concrete patterns and anti-patterns you can use to ei ther start a microfrontend journey safely or steal the good ideas without rewriting your entire frontend.\nSpeakers: Dan Neciu\nTrack: Frontend Deve lopment URL:https://vdz26.voxxeddays.ch/talk/micro-frontend-me-a-love-story/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Frontend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13577@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T125500Z DTEND:20260324T134000Z SUMMARY:Reactive ❤️ Loom: A Forbidden Love Story DESCRIPTION:For years\, the Java community has been told that Project Loom would kill reactive programming — that blocking and async were destined to be enemies. But what if that story was wrong?In this talk\, we’ll exp lore what happens when these two worlds actually fall in love.Drawing from real-world work inside the Quarkus\, Vert.x\, Netty\, and HotSpot teams\, we’ll see how a custom Loom scheduler built on top of Netty brings toge ther the performance of event-driven I/O and the simplicity of virtual-thr ead-friendly blocking APIs.This isn’t a theoretical “what if”: it’ s a data-driven exploration born from experiments and collaborations betwe en IBM\, Oracle Labs\, Oracle and Apple engineering teams.You’ll see how this approach reshapes how we think about async\, concurrency\, and sched uling — and why some of the long-held assumptions about “reactive vs b locking” simply don’t hold up when measured scientifically.Along the w ay\, we’ll dissect:How the Loom scheduler and virtual threads work under the hood.What happens when you run them over a Netty corePerformance impl ications and trade-offs measured empirically.State of art of similar patte rns from other languages (c++\, go\, ...)Why developers should challenge i nherited dogmas and base design choices on data\, not folkloreThis talk is a technical love story\, but also a call to reason: Measure\, Don’t Gue ss.Because sometimes\, the forbidden relationships are the ones that can m ove the platform forward.\nSpeakers: Francesco Nigro\nTrack: Java URL:https://vdz26.voxxeddays.ch/talk/reactive-loom-a-forbidden-love-story/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Java END:VEVENT BEGIN:VEVENT UID:cfp-1151-13582@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T140000Z DTEND:20260324T144500Z SUMMARY:Data Integrity 2.0. The biggest advancement in data quality in 30 y ears! DESCRIPTION:At various times over the past 30 years\, most relational datab ase platforms have implemented the core components of declarative data int egrity - primary keys\, uniqueness\, check constraints and foreign keys. W hist these remain a critical part of the database\, the real-life business rules about your data are much more complex. They can'\;t be implement ed with the simple data integrity rules that exist today\, and hence moder n applications are filled with code to enforce these rules at the applicat ion level.The SQL standard always knew that business rules would be more c omplex and provided a mechanism called "\;SQL Assertions"\; to dec laratively enforce complex\, cross-table invariants directly in the databa se. But no database vendor has ever attempted to tackle an implementation of SQL Assertions...until now!In this session we'\;ll demonstrate a nat ive SQL Assertions implementation. You'\;ll be introduced to SQL assert ions\, how to manage them\, and how they behave compared to the already (t raditional) available constraints.\nSpeakers: Connor McDonald\nTrack: Data URL:https://vdz26.voxxeddays.ch/talk/data-integrity-2-0-the-biggest-advance ment-in-data-quality-in-30-years/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Data END:VEVENT BEGIN:VEVENT UID:cfp-1151-13585@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T140000Z DTEND:20260324T144500Z SUMMARY:Are We Ready For The Next Cyber Security Crisis Like Log4Shell? DESCRIPTION:"\;AI era is bright\, but full of terrors!"\;In a world where vulnerabilities like Log4Shell\, Spring4Shell\, and the XZ Backdoor make headlines\, securing our software ecosystem has never been more crit ical. In this session\, Soroosh\, a hands-on architect with experience wor king on security platform services for large enterprises like Rabobank\, w ill share practical strategies and best practices for securing the softwar e development process\, applicable to both small startups and large organi zations.Key takeaways and questions that will be answered in this session: [Live Demo] What is a "\;Supply Chain Attack\,"\; and how dangerou s can it be?An example of lateral movement that begins with a basic SQL in jection attack and escalates to gaining root access to a Kubernetes cluste rExploring new attack vectors in the AI era and the defense strategies to detect\, prevent and mitigate themMost effective practices to secure your CI/CD processPractical strategies on how Software Bill of Materials (SBOM) help us prepare for the next Log4Shell crisis?What does DevSecOps mean\, and what is its main objective?\nSpeakers: Soroosh Khodami\nTrack: Securit y URL:https://vdz26.voxxeddays.ch/talk/are-we-ready-for-the-next-cyber-securi ty-crisis-like-log4shell/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Security END:VEVENT BEGIN:VEVENT UID:cfp-1151-13584@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T140000Z DTEND:20260324T144500Z SUMMARY:Meeting Impossible SLAs: How we made our uptime 99.999% DESCRIPTION:Here I'\;ll share\, how when our cloud provider was down\, h ow we were still up. Running critical components requires a completely dif ferent mindset when the required uptime is five nines. Can a service even have a 99.999% uptime guarantee? It'\;s easy to promise\, but deliverin g on that is something else. What works at two or three nines can'\;t w ork when components become critical. The math actually tells us this.You&# 39\;ll get a full review of how we managed to promise such a high up time\ , if it is even possible to make it happen\, and how we think about it. Fr om this talk attendees will learn key trade-offs in elevating the reliabil ity of their solutions.Key Takeaways — The core components of a highly r eliable solution\, Lessons learned in the process\, Architecture strategie s to increase the reliability.\nSpeakers: Warren Parad\nTrack: Architectur e URL:https://vdz26.voxxeddays.ch/talk/meeting-impossible-slas-how-we-made-ou r-uptime-99-999/ LOCATION:Room 6\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Architecture END:VEVENT BEGIN:VEVENT UID:cfp-1151-13586@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T140000Z DTEND:20260324T144500Z SUMMARY:JavaScript in 2026: Forget the Old Tricks — Discover Modern Solut ions You Will Not Find on Stack Overflow or ChatGPT DESCRIPTION:When coding\, we often reach for solutions from old Stack Overf low posts or ask ChatGPT for quick answers\, only to fall back on patterns that have been around forever. But current versions of the ECMAScript sta ndard give us a whole range of new features that solve the same problems i n much cleaner and more powerful ways. And we often simply are not taking advantage of them yet.In this live coding session\, we will explore these newer capabilities together. We will take everyday tasks we all still hand le with outdated techniques and replace them with the modern tools the lan guage now offersBy the end of the talk\, we will not only understand what the latest version of JavaScript brings us\, but we will also feel confide nt and excited to leave old habits behind and embrace the elegant\, modern solutions available today.\nSpeakers: Christian Woerz\nTrack: Frontend De velopment URL:https://vdz26.voxxeddays.ch/talk/javascript-in-2026-forget-the-old-tric ks-discover-modern-solutions-you-will-not-find-on-stack-overflow-or-chatgp t/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Frontend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13583@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T140000Z DTEND:20260324T144500Z SUMMARY:Reversible Decisions for Better Software Design DESCRIPTION:The longer a project is ongoing\, the more software development slows down\; The reason for this is that the architecture and design of t he software is not suitable for the current requirements anymore. Some req uirements change\, some become less important\, new ones are discovered. W hen we do not change our design constantly to mach these new realities\, i mplementing new features becomes harder and harder.And artificial intellig ence (AI) does not save us (yet): The context of those tools is limited. A I also benefits from good design with high cohesion and low coupling. And it needs good\, fast tests. Those tools need us to keep our design current and our design quality high.In this session\, I will talk about changeabl e design: How we can make decisions reversible and what trade-offs and cos ts are associated with that. And I will show how good tests\, quality in e verything we do\, continuous reviews and refactoring can lead to changeabl e design.\nSpeakers: David Tanzer\nTrack: Development Practices URL:https://vdz26.voxxeddays.ch/talk/reversible-decisions-for-better-softwa re-design/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Development Practices END:VEVENT BEGIN:VEVENT UID:cfp-1151-13591@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T145500Z DTEND:20260324T154000Z SUMMARY:Finding the Spark: A Career Reset Button. DESCRIPTION:A few years ago\, I hit a strange point in my career. On paper\ , everything looked fine: good projects\, solid skills\, a stable job but inside\, something had gone quiet. The excitement I used to feel when writ ing code was gone. I wasn’t looking for a new language or a better frame work\, I was just trying to understand why I had stopped caring.At some po int I decided to join the wider Java Community. I expected to learn techni ques and tips\, but what I actually found was something much deeper. I met people full of energy and generosity who reminded me that behind every li ne of code there’s a story\, an exchange\, a spark. Something I believed I had lost was gradually rebooted by that sensation of belonging.That red iscovery is the topic of this talk. About how meaning can be restored thro ugh contributing\, sharing\, and connecting. You'\;ll discover what ins pires and motivates us to do our work\, how community can change how we gr ow as developers\, and why giving back frequently results in more than you might anticipate. I hope this story helps you understand that a new relat ionship with your craft\, your community\, and yourself is the answer to c areer apathy\, not a new language.\nSpeakers: Loïc Magnette\nTrack: Peop le & Culture URL:https://vdz26.voxxeddays.ch/talk/finding-the-spark-a-career-reset-butto n/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:People & Culture END:VEVENT BEGIN:VEVENT UID:cfp-1151-13587@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T145500Z DTEND:20260324T154000Z SUMMARY:What’s So Bad About Cardinality Anyway? Rethinking Metrics in the Modern Observability Ecosystem DESCRIPTION:For years\, observability teams have warned developers to avoid high-cardinality metrics. We treat cardinality like a natural disaster ra ther than something we can design for. But what if the fear comes not from inherent limits\, but from historical constraints baked into early metric s systems?This talk reexamines cardinality through a historical and archit ectural perspective. We’ll explore how the original Prometheus design cr eated cultural habits that persist\, and how modern systems change the equ ation. With remote-write storage\, Parquet-based engines\, OTLP-native pip elines\, exemplars\, and alternative backends like ClickHouse\, high-cardi nality data is no longer something we must avoid—it’s something we can use intentionally.Rather than asking how to stop cardinality\, we’ll as k what insights we’ve been missing by fearing it—and how to design obs ervability platforms that support flexible dimensionality without compromi sing reliability or cost.Key TakeawaysWhy cardinality fear is cultural and historical\, not fundamentalHow early metrics architectures shaped today ’s constraintsModern tools that enable safe high-cardinality analytics ( Parquet\, ClickHouse\, exemplars)When to choose metrics vs traces vs logs vs column storesPractical patterns for platform teams enabling—not restr icting—engineersTarget AudienceSREs\, platform/observability engineers\, DevOps\, backend developers\, architects\, and engineering leaders respon sible for telemetry strategy or cost control.\nSpeakers: Joel Verezhak\nTr ack: Build & Deploy URL:https://vdz26.voxxeddays.ch/talk/what-s-so-bad-about-cardinality-anyway -rethinking-metrics-in-the-modern-observability-ecosystem/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Build & Deploy END:VEVENT BEGIN:VEVENT UID:cfp-1151-13588@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T145500Z DTEND:20260324T154000Z SUMMARY: Model Context Protocol (MCP): The future of user interactions? DESCRIPTION:What if your users never visit your website again - and that 9\;s a good thing? As AI assistants become the primary interface for digit al tasks\, applications need a new way to be discovered and used. Enter th e Model Context Protocol. The Model Context Protocol (MCP and MCP-UI) migh t be the next revolution in "\;UI-programming"\;. It might be the connecting link between the AI-hype and frontend programming. The Model Co ntext Protocol standardizes how AI can interact with external services\, d ata\, and tools.MCP is currently generating significant excitement in the ecosystem of AI-assisted software development (Claude Code\, Copilot\, Cur sor\, etc.). However\, this presentation highlights the much greater poten tial of MCP: in a future world\, MCP could make any applications and servi ces accessible to any AI assistant.The AI assistant could thus take on the role of today'\;s browser: instead of interacting with web servers via the browser\, future users could interact with MCP servers via their AI-a ssistant. MCP is still in its infancy but is developing very rapidly.In th is presentation\, we will use concrete code examples to look at how MCP wo rks and what possibilities already exist today for implementing an interfa ce to an application via MCP. And we will dive into MCP-UI\, an emerging p rotocol to build rich\, dynamic interfaces for agentic apps.This talk is i deal for full-stack developers and engineering leaders interested in prepa ring their applications for an AI-first future.\nSpeakers: Jonas Bandi\nTr ack: Frontend Development URL:https://vdz26.voxxeddays.ch/talk/model-context-protocol-mcp-the-future- of-user-interactions/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Frontend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13590@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T145500Z DTEND:20260324T154000Z SUMMARY:Spring Boot Test - A look behind the curtain DESCRIPTION:“Testing in Spring Boot applications is easy\, just use @Spri ngBootTest and you'\;re done.” What sounds so simple in theory\, ofte n looks like magic and sometimes causes problems later on.Therefore\, in t his session\, we will take a look behind the curtain to gain better insigh t into how all of this actually works. Besides that\, we will touch on top ics such as unit or slice testing.I assure you that after this session\, y ou will have a more in-depth understanding of how the Spring Boot Test mag ic works.\nSpeakers: Michael Vitz\nTrack: Backend Development URL:https://vdz26.voxxeddays.ch/talk/spring-boot-test-a-look-behind-the-cur tain/ LOCATION:Room 6\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Backend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13589@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T145500Z DTEND:20260324T154000Z SUMMARY:Hotspot JVM Auto Vectorization and Vector API DESCRIPTION:This talk will cover work on the Hotspot JVM\, regarding auto v ectorization and the Vector API. Some of this work is new to JDK26 which w ill be released in March 2026.The goal is to deliver insights to Java deve lopers interested in performance and vectorization\, and demonstrate how t o use the full potential of modern CPU vector instruction capabilities.Aut o Vectorization:High level explanation of SuperWord algorithm\, how scalar operations are packed into vectorsLoop shapes: fill\, copy\, map and redu ceExtended topics: aliasing and alignment and their performance impactBenc hmarks on arrays and MemorySegments (project Panama)Vector API:Why use the Vector API? When auto vectorization is not good enough yet. Quick intro t o the APIVarious examples\, demonstrated with algorithms: compress/filter\ , prefix sum\, shuffle\, gather/scatter\, simulating branches\, etc. and b enchmarksPerformance pitfalls: unavailable instructions\, alignment\, stor e-to-load-forwarding failures\, branch misprediction vs latency etc.Target audience: Can read Java code\, understands basics of CPU architecture\, i s interested in performance and vectorization.\nSpeakers: Emanuel Peter\nT rack: Java URL:https://vdz26.voxxeddays.ch/talk/hotspot-jvm-auto-vectorization-and-vec tor-api/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Java END:VEVENT BEGIN:VEVENT UID:cfp-1151-13594@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T155000Z DTEND:20260324T163500Z SUMMARY:Running Your Coding Agent Locally: Lessons from a Real-World Experi ment DESCRIPTION:Cloud-based coding assistants like Claude Code or GitHub Copilo t are powerful—but what happens when you try to bring that experience fu lly on-premise?In this talk\, we’ll explore the practical journey of bui lding and running a local AI coding setup: choosing models\, hosting them on consumer hardware\, connecting frontends like LM Studio\, and evaluatin g what really works (and what doesn’t).We’ll discuss trade-offs in lat ency\, memory\, and tool integration\, the role of KV cache and model rout ing\, and how far open-source models can go in replicating commercial AI d ev environments.Expect a mix of architecture insights\, debugging war stor ies\, and honest conclusions about what’s currently feasible—and what ’s still wishful thinking—when it comes to local AI coding.\nSpeakers: Alessio Soldano\, Stefano Maestri\nTrack: Machine Learning & AI URL:https://vdz26.voxxeddays.ch/talk/running-your-coding-agent-locally-less ons-from-a-real-world-experiment/ LOCATION:Room 4\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Machine Learning & AI END:VEVENT BEGIN:VEVENT UID:cfp-1151-13592@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T155000Z DTEND:20260324T163500Z SUMMARY:The Hidden Security Hazards in Your Java Stack DESCRIPTION:Building cloud-native Java apps feels smooth. You move fast\, c ode freely\, and ship often. But that same vibe coding mindset can open th e door to serious security problems. Copying code from the internet or tru sting your AI assistant too much can introduce unsafe logic. Adding librar ies without checking them and running container images you did not build c an silently expose your application to attacks.In this session\, you will see how modern Java stacks become vulnerable through real-world examples a nd live hacking. From untrusted dependencies to misconfigured containers\, we will explore the common traps developers fall into. You will walk away with practical techniques to spot these risks early and keep your code se cure in the cloud-native world.\nSpeakers: Brian Vermeer\nTrack: Security URL:https://vdz26.voxxeddays.ch/talk/the-hidden-security-hazards-in-your-ja va-stack/ LOCATION:Room 3\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Security END:VEVENT BEGIN:VEVENT UID:cfp-1151-13595@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T155000Z DTEND:20260324T163500Z SUMMARY:Supercharge your JVM performance with Project Leyden and Spring Boo t DESCRIPTION:Many modern applications and tools rely on Java. Yet\, their st artup time and time-to-peak performance remain challenging\, especially fo r microservices and Kubernetes workloads that require fast scaling and res ponsiveness. Project Leyden\, an ambitious OpenJDK initiative\, aims to ov ercome these performance bottlenecks.In this session\, Moritz will show ho w you can take advantage of Leyden’s optimizations using Java 25 and Spr ing Boot. You will also get practical techniques you can apply today\, alo ng with a peek into the ongoing work inside Leyden and what that means for the performance of your Java application.\nSpeakers: Moritz Halbritter\nT rack: Backend Development URL:https://vdz26.voxxeddays.ch/talk/supercharge-your-jvm-performance-with- project-leyden-and-spring-boot/ LOCATION:Room 6\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Backend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13596@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T155000Z DTEND:20260324T163500Z SUMMARY:Hidden gems in Angular: hybrid rendering\, new routing features\, a nd beyond DESCRIPTION:Explore the lesser-known but highly impactful features of Angul ar\, including hybrid rendering\, powerful approach that combines prerende ring and server-side rendering for optimal performance and SEO.Dive into m odern routing improvements like default-exported components and route-spec ific providers that simplify development while enhancing modularity. This talk will equip you with actionable insights and practical examples to tak e your Angular applications to the next level\, whether you'\;re buildi ng static sites\, dynamic dashboards\, or complex enterprise solutions.\nS peakers: Vojtech Mašek\nTrack: Frontend Development URL:https://vdz26.voxxeddays.ch/talk/hidden-gems-in-angular-hybrid-renderin g-new-routing-features-and-beyond/ LOCATION:Room 2\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Frontend Development END:VEVENT BEGIN:VEVENT UID:cfp-1151-13593@cfp.dev DTSTAMP:20261005T212837Z SEQUENCE:0 STATUS:CONFIRMED DTSTART:20260324T155000Z DTEND:20260324T163500Z SUMMARY:Aspects of Continuous Deployment – A Multi-Dimensional View DESCRIPTION:We look at the topic of Continuous Deployment (CD) from two ang les:The technical view of a software architect and the human view of an ag ile coach. Using the example of the Swiss Post’s parcel sorting system w e share what we have learned. Yes\, we consider it a business-critical sof tware\, with 10 deployments per day. In this talk\, we show how we build s ystems that are fast\, reliable\, and high quality\, and explain why succe ss depends so much on how teams experience a culture of trust\, collaborat ion\, and shared responsibility for quality. We illustrate how technology and a strong quality culture work hand in hand to make CD successful even in risky environments.The two perspectives don’t always agree\, but that ’s what makes it really interesting. :)\nSpeakers: Nadine Broghammer\, M arc Sallin\nTrack: Development Practices URL:https://vdz26.voxxeddays.ch/talk/aspects-of-continuous-deployment-a-mul ti-dimensional-view/ LOCATION:Room 8\nARENA Cinemas\, Sihlcity\nZürich\, Switzerland CATEGORIES:Development Practices END:VEVENT END:VCALENDAR