geecon

🚀 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 Java, performance, and modern native integrations - don’t miss it! 2026.geecon.org/speakers/info.…

Troubleshooting production is getting harder as AI speeds up delivery. But AI alone isn’t enough. Learn how Aviva Peisach (@WixEng) & Yasmin Dunsky (Wild Moose) turned tribal knowledge into AI-powered playbooks — cutting MTTR and reaching 80% accuracy. Join: Troubleshooting Production with AI @ Scale 2026.geecon.org/speakers/info.… 2026.geecon.org/speakers/info.… #geecon #DevOps #SoftwareEngineering #AI

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.” From a system failure reported to BaFin to redesigning a 10B-record pipeline and planning a zero-loss migration from Exadata to Cloud PostgreSQL. War room decisions. Massive data. Hard lessons. 2026.geecon.org/speakers/info.…

AI pair programming: hype or real help? 🤔 Thomas Sundberg (@thomassundberg) 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/info.…

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” From the Shai Hulud 2.0 NPM worm to real-world attacks on CI/CD pipelines across GitHub, GitLab, and Jenkins — learn how modern supply chain attacks work and how to stop them. 2026.geecon.org/speakers/info.… #DevOps #Security #SupplyChainSecurity #CI #CloudComputing

⚡ 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/info.…

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

🎤 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/info.…

⏳ 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

Christian Tzolov (@christzolov) is joining #geecon speakers to dive into Building Self-Correcting AI Agents 🤖 Learn how to design agents that iterate, self-evaluate, and improve using Spring AI’s Advisor architecture — from Memory and RAG to recursive refinement loops. #SpringAI #AIAgents #Java 2026.geecon.org/speakers/info.…

Meet our speaker @AdamBien 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. Why Java’s specs, patterns, and 25+ years of conventions make AI-generated code actually maintainable. 2026.geecon.org/speakers/info.…

Speaker spotlight: Spencer Gibb - co-founder and lead of Spring Cloud Core who brings years of hands-on experience in distributed systems, JVM languages, and cloud-native architectures. He’s worked across e-commerce, government, non-profits, and startups - always focused on making complex systems simpler. From monoliths to microservices - and everything in between. Learn how architectures evolve, how modular monoliths fit in, and how the Spring portfolio supports smart, needs-driven decisions at every stage. 🚀 2026.geecon.org/speakers/info.…

We’re excited to welcome @adamwarski, 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? Adam will explore practical tools like Lincheck and Fray that deterministically test thread interleavings, helping uncover subtle concurrency bugs and boost confidence before shipping. Don’t miss this deep dive into safer concurrent programming on the JVM! 2026.geecon.org/speakers/info.…

Learning modern Java doesn’t have to be scary. Java Champions @MaritvanDijk77 & @piotrprz will show how to explore features like Structured Concurrency and Stream Gatherers the playful way — directly in your IDE. Learn, experiment, and have fun with modern Java! 🚀 2026.geecon.org/speakers/info.… 2026.geecon.org/speakers/info.…

🚀 “Scotty, I need warp speed!” Java Champion Gerrit Grunwald (@hansolo_) explores 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/info.…

What if non-player characters (NPCs) could think, talk, and evolve? Alexander Chatzizacharias (@glyc1n) 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/info.…

Business won’t wait — and neither should your platform. Java Champion Marcin Grzejszczak (@MGrzejszczak) 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/info.…