geecon

The photos from #geecon are now available! Check out the photo gallery and relive some of the best moments: photos.app.goo.gl/6kDsKNhubPEb... www.facebook.com/media/set/?s...

What happens when AI coding agents move faster than your test environments? 🤖⚡ At #geecon, Tom Akehurst will explore “The AI-driven future of test environments” — from unreliable pre-prod setups to AI-powered simulated environments. 2026.geecon.org/speakers/inf...

Proud to welcome Revolut as a Sponsor of #geecon 2026! 🚀 From fintech innovation to engineering at scale, Revolut is redefining the way millions of people manage money worldwide. Meet them in Kraków on 14–15 May! www.revolut.com

“Attackers don’t break crypto — they exploit assumptions.” 🔐 At #geecon, Marcin Łapaj will show how broken authorization, weak tenant boundaries, and compromised dependencies turn normal apps into breach machines. 2026.geecon.org/speakers/inf... #OWASP #CyberSecurity #DevSecOps

Meet Dominik Cebula — Cloud Software Principal Engineer at HSBC, Udemy instructor, and book author with 17+ years of experience building scalable cloud-native systems. At #geecon 2026 he’ll present “Short-Term & Long-Term Memory in an AI Agent with Spring AI”. 2026.geecon.org/speakers/inf...

We’re excited to welcome François Martin with his talk: “82 Bugs I Collected in a Year You Won’t Believe Made It to Production” A practical, eye-opening talk full of lessons for anyone building or testing software. 2026.geecon.org/speakers/inf...

Excited to welcome @jetbrains.com as a Silver Sponsor of #geecon 2026! 🚀 Creators of tools loved by developers worldwide, JetBrains continues to shape the future of software engineering with innovation and developer-first products. www.jetbrains.com

What if AI stopped building TODO apps… and started playing Final Fantasy instead? 🎮🤖 At #geecon 2026, Artur Skowroński will show how an LLM learns to play Final Fantasy I through a custom Kotlin NES emulator. 2026.geecon.org/speakers/inf...

We’re beyond excited to welcome HSBC as our Platinum Partner at #GeeCON 2026 💎🚀 As a global institution at the intersection of finance, technology, and scale, HSBC builds and runs systems that connect customers around the world – helping keep them protected every day. www.hsbc.com

What happens when AI agents get their own desktop environments? At #geecon, Tomas Rehak will show how long-living VM environments, local user context, and powerful tooling unlock entirely new possibilities for agentic AI applications. 👉 2026.geecon.org/speakers/inf... #AI #AgenticAI #Java

Meet Dariusz Jędrzejczyk at #geecon 2026 🚀 Unifying AI integration with Model Context Protocol (MCP) — learn how to connect AI with real-world systems using a structured, scalable approach. 📆 14–15 May 2026, Kraków 👉 2026.geecon.org #AI #Spring #Java #MCP #SoftwareEngineering

#geecon is more than just talks. Join expert-led panel discussions, explore real-world use cases, and hear diverse perspectives from top speakers shaping modern software development. ⏳ Only 7 days left to register! 👉 2026.geecon.org #AI #Java #JVM #Cloud #Architecture #Performance #PanelDiscussion

Please welcome VirtusLab as a Silver #geecon 2026 sponsor. VirtusLab is a software engineering & tooling company, delivering scalable systems for companies around the world. Check out their offers at: careers.virtuslab.com

🚀 When your Java app is slow, are you measuring the right thing? Join Johannes Bechberger (@mostlynerdless.de) to explore the brand-new CPU-Time Profiler in JDK 25 (JEP 509) — and learn why execution time alone can mislead you. 2026.geecon.org/speakers/inf... #Java #JDK25 #Performance #Profiling

Code quality isn’t just a developer’s job 👀 Join Annelore Egger to discover how business decisions, collaboration, and communication shape the code we write. 👉 “Why Bad Code Quality Is Not (Only) Your Fault” 2026.geecon.org/speakers/inf... #SoftwareEngineering #CodeQuality #Teamwork

Technical debt: we all hate it… yet we all live with it. Join Tomer Gabel for “Mob Rules, or: how I learned to Stop Worrying and Love Technical Debt” — a sharp, honest dive into why debt happens, why we argue about it, and how to actually move forward. 2026.geecon.org/speakers/inf...

Welcome aboard, SoftNet! 🚀 We’re excited to have @SoftNetPL with us — a team building modern, secure, and scalable IT solutions for cooperative banks and driving digital transformation in the financial sector. Glad to have you with us! 🤝 2026.geecon.org/partners/sof...

Meet Szymon Sadowski at our conference 🎤 With 8+ years in software engineering (Java, cloud & platform engineering), he treats coding as craft, not rush — and believes sharing knowledge makes teams stronger. 🚀 Talk: “Reviewing the Reviewer: Better PR Feedback” 2026.geecon.org/speakers/inf...

🎸 Meet our keynote speaker: Dylan Beattie! “How To Be a Rockstar Developer” is more than a talk — it’s a journey from a joke programming language inspired by Bon Jovi lyrics to a global phenomenon. Expect code, creativity, and a live guitar performance 🤘 2026.geecon.org/speakers/inf...

Join Mete Atamel (Google) at #geecon for a deep dive into the future of AI agents! “Tour of Agent Protocols: MCP, A2A, AG-UI, A2UI” explores how emerging standards are shaping interoperability between agents, tools, and UIs. 2026.geecon.org/speakers/inf...

🚀 Live coding session you don’t want to miss! Julien Topçu & Thomas Pierrain will show how to turn a spaghetti monolith into a microservices-ready modular monolith using the Hive pattern. 2026.geecon.org/speakers/inf... 2026.geecon.org/speakers/inf...

Meet Mihaela Gheorghe-Roman, Software Architect at Systematic & Oracle ACE Associate, bringing 14+ years of experience in Java and beyond 🚀 Dive into a live, interactive session full of tricky Java snippets, surprising behaviors, and “aha!” moments. 🧩 2026.geecon.org/speakers/inf...

Excited to welcome Ivar Grimstad! 🚀 @theguywiththeduketattoo.com From J2EE to Jakarta EE 11 (and beyond!), Ivar will take us on a journey through 30 years of Enterprise Java evolution - exploring modern features and the growing impact of AI. 2026.geecon.org/speakers/inf...

Baruch Sadogursky is bringing some much-needed reality check to AI coding agents 🤖 2026.geecon.org/speakers/inf...

We’re excited to welcome @Allegro as #geecon Silver sponsor! 🚀 Check them out 👉 2026.geecon.org/partners/all...

Welcome back to the stage, Jakub Nabrdalik! 👋 Most systems are built around data. That’s the problem. Learn how to design modules around business processes to build software that scales, performs, and stays easy to change as it grows. 2026.geecon.org/speakers/inf...

What if you could bring AI agents into your existing Spring app without rewriting everything? 🤯 Arjen Poutsma will show how with the Embabel Agent Framework, extending the classic Petclinic with smart, context-aware agents that plan, reason, and integrate seamlessly. 2026.geecon.org/speakers/inf...

What happens when managers start to disappear from engineering orgs? 🤔 At #geecon 2026, Agnieszka Lasyk will explore how AI, shifting structures, and real-world pressures are reshaping roles in her talk: “4xx: The Curious Case of a Disappearing Manager”. 2026.geecon.org/speakers/inf...

Excited to welcome Mateusz Rzeszutek as a speaker! In his talk “Write safe native code for JVM with Rust”, he’ll show how to bridge JVM and Rust, compare JNI vs the new FFM API, and walk through real code examples with tests. If you’re into performance don’t miss it! 2026.geecon.org/speakers/inf...

Troubleshooting production is getting harder as AI speeds up delivery. But AI alone isn’t enough. Learn how Aviva Peisach & Yasmin Dunsky turned tribal knowledge into AI-powered playbooks — cutting MTTR and reaching 80% accuracy. 2026.geecon.org/speakers/inf... 2026.geecon.org/speakers/inf...

What happens when your architecture doesn’t just fail a performance test… but triggers a regulatory investigation? At #geecon, Martin Ladecký will share a real banking war story in “10 Billion Records vs. The Regulator: An Architectural Post-Mortem.” 2026.geecon.org/speakers/inf...

AI pair programming: hype or real help? 🤔 Thomas Sundberg will share practical lessons from pairing with Claude while practicing TDD & BDD. Real examples. Honest conclusions. What should developers realistically expect? #geecon #AI #TDD 2026.geecon.org/speakers/inf...

AI Agents are reshaping software development. Meet top experts, explore real-world use cases, and get inspired by what’s next. Join the AI Agents era with #geecon! 📆 14-15 May 2026, Kraków, Poland 👉 2026.geecon.org #AI #Java #JVM #Cloud #Architecture #Performance

We’re excited to welcome Niek Palm, Principal Engineer at Philips, with a hard-hitting talk: 🔐 “Supply Chain Compromise: The Anatomy of the Attack and the Blueprint for Defense” Learn how modern supply chain attacks work and how to stop them. 2026.geecon.org/speakers/inf...

⚡ Lightning Talk Alert! Mateusz Nalepa will break down a hidden performance killer in “Thread Pool Queue Wait Time: The Bottleneck even AI couldn’t find.” Real production data, real bottlenecks, and why sometimes adding more threads actually helps. 2026.geecon.org/speakers/inf...

At #geecon, we love mixing serious tech with geeky curiosity. Artur Keska will take us beyond Java into “What’s All the Fuss About Quantum Computing?” ⚛️ 🧠 Expect fundamentals, security, and hype-free insights. 2026.geecon.org/speakers/inf...

🎤 Agata Kabat is joining our speakers! In her talk “Before the To-Do List: The One Conversation Every Team Needs”, Agata will explore how intentional communication and a strong team contract build real collaboration, trust, and productivity. 2026.geecon.org/speakers/inf...

⏳ Last 2 days of lower prices at #geecon! Join the #AI & #Agent revolution shaping the future of #JVM and #Java technologies. Code. Connect. Inspire. 🚀 2026.geecon.org

Meet our speaker Adam Bien with a powerful talk: “The 50x Developer: Java’s Unfair Advantage in the Age of AI Agents” Live coding with #AI #agents, real prompts & real mistakes. 2026.geecon.org/speakers/inf...

Speaker spotlight: @spencer.gibb.us - co-founder and lead of Spring Cloud Core who brings years of hands-on experience in distributed systems and cloud-native architectures. From monoliths to microservices - and everything in between. Learn how architectures evolve 🚀 2026.geecon.org/speakers/inf...

We’re excited to welcome Adam Warski, co-founder of SoftwareMill and a well-known JVM & open-source expert. How do you know your concurrent code really works—and that you didn’t just get lucky? Don’t miss this deep dive into safer concurrent programming on the JVM! 2026.geecon.org/speakers/inf...

What if non-player characters (NPCs) could think, talk, and evolve? Alexander Chatzizacharias shows how multimodal RAG (text, images, audio) can bring game worlds to life — and what backend engineers can learn from it. LangChain4j, AI villages & absurd fun included! 2026.geecon.org/speakers/inf...

Learning modern Java doesn’t have to be scary. Java Champions Marit van Dijk & Piotr Przybył will show how to explore features like Structured Concurrency and Stream Gatherers the playful way. Learn, experiment, and have fun! 🚀 2026.geecon.org/speakers/inf... 2026.geecon.org/speakers/inf...

Business won’t wait — and neither should your platform. Java Champion Marcin Grzejszczak will share a real-world case on how platform teams turn infrastructure from a bottleneck into a business enabler. Faster, safer delivery starts here. 2026.geecon.org/speakers/inf...

🚀 “Scotty, I need warp speed!” Java Champion Gerrit Grunwald will explore modern ways to turbo-charge JVM startup & warmup — from CRaC and Native Image to Leyden, InstantOn & more. No silver bullets, just smart choices for scale. 2026.geecon.org/speakers/inf...

⏳ Last day of #CFP for #geecon! This is it — final hours to submit your talk and be part of #geecon. Don’t let “I’ll do it later” turn into “maybe next year”. 🎤 Submit now. Last chance. 🤝 2026.geecon.org/cfp/

Excited for “An Opinionated Guide to Bulletproof APIs with Java” by Rustam Mehmandarov (@rustam.no) — Java Champion, GDE for Cloud & Docker Captain. Go beyond CRUD and learn 5 proven patterns for secure, observable, evolvable APIs using Jakarta EE & MicroProfile. 2026.geecon.org/speakers/inf...

⏰ Last 3 days of #CFP for #GeeCON! Don’t miss your chance to share your ideas, stories, and experience with an amazing community of developers. Submit now 👉 2026.geecon.org/cfp/

Josef Goldstein is joining us! Head of Big Data Platform R&D Wix, with 15+ years of experience building data-intensive SaaS systems. Josef will dive into AI-powered streaming with Apache Kafka &Flink, live inference in data streams, and challenges of latency and scale 2026.geecon.org/speakers/inf...

GeeCON is all about inspiring each other. Share your knowledge as a speaker or join us to learn from the best at GeeCON 2026 in Kraków. 👉 2026.geecon.org #GeeCON #Java #JVM #Community