Jfokus @jfokus.se · 8h🕹️ Ready for the next level? Jfokus 2027 registration opens TOMORROW! 1 October at 10:00 CEST Set your alarm and get ready to press START! Join us for #Jfokus 2027 at Stockholm Waterfront, 8–10 February 2027. 👉 www.jfokus.se 022
Jfokus @jfokus.se · 29/09/2026Registration opens in 2 days and we are publishing the first speakers www.jfokus.se 010
Jfokus @jfokus.se · 28/09/2026In three days, we start the next level. Registration for #Jfokus 2027 opens October 1 at 10:00 CEST. Limited number of Early Bird available at opening. Ready to press start? #developerconference #developercommunitystockholm 010
Jfokus @jfokus.se · 15/09/2026Jfokus 2027 is loading… Here’s a sneak peek at our new look. There’s more to reveal. For now, consider this your first glimpse of the next level. 📍 Stockholm | 8–10 February 2027 #Jfokus #Developerconference 020
Jfokus @jfokus.se · 03/09/2026Great to see so many familiar faces, and new, yesterday for the first Jforum of the season! Cinema night with The Java Story. Some of us even spotted our very own Mattias Karlsson in the movie 😎 A big thank you to Cult.Repo for sharing the story with our community. ❤️ See you soon at the next Jforum! 001
Jfokus @jfokus.se · 19/08/2026📣 Jfokus 2027 Call for Speakers is OPEN! Have something worth sharing with the developer community? We want to hear from you, first-time and experienced speakers welcome! 🎤 Submit your session 👉 sessionize.com/jfokus-2027/ #Jfokus #CallForSpeakers 021
Jfokus @jfokus.se · 24/02/2026Jfokus 2026 – Best Rated Talk #12 Tame your Llama, run AI in Java Lutske De Leeuw Run Llama models locally in Java. No ML PhD. No complex setup. Practical, code-first AI for real NLP and classification use cases. Watch the talk: www.youtube.com/watch?v=v4c6... #Jfokus #Java #AI #LLMyoutube.comTame your Llama, run AI in Java, by Lutske De LeeuwYouTube video by Jfokus 183
Jfokus @jfokus.se · 23/02/2026Which talks got the highest ratings at Jfokus 2026? We start publishing the list tomorrow. Three per week, based entirely on attendee feedback. #12 first. #Jfokus 010
Jfokus @jfokus.se · 12/02/2026Jfokus 2026 came alive in Stockholm — and what a week it was 🔥 Thank you to everyone who joined us. The talks, the energy, the community — that’s Jfokus. Recordings: www.jfokus.se/schedule Photos: sthlmeventfoto.pixieset.com/jfokus2026/ 000
Reposted by JfokusAna-Maria Mihalceanu @ammbra1508.bsky.social · 03/02/202620 years of an amazing conference 🥳!!!! What an inspiring journey 🙏❣️ Congratulations to the community of @jfokus.se 🥳!!!!! #Java #community #conference 082
Reposted by JfokusAna-Maria Mihalceanu @ammbra1508.bsky.social · 03/02/2026Very inspiring keynote about the best simple system for now @jfokus.se anniversary edition! #evolving #system #architecture 183
Reposted by JfokusBalkrishna Rawool @balarawool.bsky.social · 25/01/2026I’ll be speaking @jfokus.se 2026 about Project Loom. ☕️ 🧵There are so many awesome speakers and so many amazing talks/ workshops. 🧑💻👩💻 And only last few tickets left, so please hurry up and get yours at: jfokus.se/register.htmljfokus.seJfokus Developers ConferenceSweden's largest developer conference focusing on Java, AI/ML, DevOps, and emerging technologies. 181
Reposted by JfokusClever Cloud @clever.cloud · 26/01/2026📍 @jfokus.se — 2 au 4/02, Stockholm Sponsor de cette conférence majeure de l’écosystème JVM. @lostinrandom.bsky.social présentera “MCP Servers Beyond 101”, sur les choix d’architecture et leurs impacts en production. www.jfokus.sejfokus.seJfokus Developers ConferenceSweden's largest developer conference focusing on Java, AI/ML, DevOps, and emerging technologies. 131
Reposted by JfokusRustam Mehmandarov @rustam.no · 07/01/2026I can’t believe @jfokus.se is just a month away! 🇸🇪 This year is special because they are celebrating their 20th anniversary! 🎉 It’s going to be packed with Java Champions and JVM experts. Grab your ticket while you still can: 🔗 jfokus.se See you in Stockholm? ☕️ #Java #Jfokus #Jfokus2026 #JVMjfokus.seJfokus Developers ConferenceSweden's largest developer conference focusing on Java, AI/ML, DevOps, and emerging technologies. 193
Jfokus @jfokus.se · 13/01/2026🎨 The Renaissance Developer with Kevin Azijn & Adriaan de Jonge. Spec-driven, AI-powered development that helps Java devs build safer, faster, and better — without vibe coding. 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #AI #Architecture #SpecDriven 021
Jfokus @jfokus.se · 03/12/2025🛡️ Beyond Code Generation: Governing AI Agents Across the DevSecOps Lifecycle with Mattias Söderberg. Master the guardrails, risks, and governance needed to adopt AI safely across your software pipeline ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #AI #DevSecOps #Security #Governance #Agents 000
Jfokus @jfokus.se · 02/12/2025❄️ Only a few spots left! Join us for Jforum winter meetup on Events, DI & Dependency Management in Stockholm. 👉 jforum.confetti.events/jforum-126-mejforum.confetti.events 010
Jfokus @jfokus.se · 02/12/2025🗂️ Unbundling the Cloud Data Warehouse with Zoe Steinkamp (ClickHouse). Build fast, flexible, open data architectures — beyond the limits of monolithic cloud warehouses ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #DataEngineering #Analytics #OpenSource #ClickHouse 010
Jfokus @jfokus.se · 26/11/2025🔗 From Monoliths to Modern Integration Platforms with Pär Eriksson (Irori). Build integration platforms that stay flexible, secure, and strong in the winds of modern architecture ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Integration #Microservices #EventDriven #APIs 010
Jfokus @jfokus.se · 25/11/2025🟦 Full-stack Web Apps, 100% Java with Marcus Hellberg (Vaadin). One language. One stack. As Odin intended ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #Vaadin #SpringBoot #Fullstack #WebDevelopment 043
Jfokus @jfokus.se · 25/11/2025Winter is here, but the road to Jfokus stays warm 🔥 Next Jforum: 11 Dec, H&M Business Tech Headquarter jforum.confetti.events/jforum-126-m... 010
Jfokus @jfokus.se · 19/11/2025🚀 Java: To Infinity and Beyond with @sharatchander.bsky.social Celebrate 30 years of Java - and look ahead to the next 30 and beyond ✨ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #FutureOfJava 073
Jfokus @jfokus.se · 18/11/2025🕸️ Context Engineering: Connecting the Dots with Graphs with @steveonjava.bsky.social Give your AI the context it needs to truly reason ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #AI #LLM #KnowledgeGraphs #Reasoning 000
Jfokus @jfokus.se · 17/11/2025🔥 JDK 25’s New CPU-Time Profiler with Johannes Bechberger. See what’s really burning your CPU — no unsafe tools required ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #JDK25 #Profiling #Performance 031
Jfokus @jfokus.se · 14/11/2025⚙️ Make Your Code Parallel with the Structured Concurrency API with @josepaumard.bsky.social (Oracle). Tame the threads and command concurrency like a true Java craftsman ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #ProjectLoom #StructuredConcurrency #VirtualThreads #Concurrency 030
Jfokus @jfokus.se · 12/11/2025🧠 Dehumanizing Agents: Why Explainability is Crucial in the LLM Era with Lucía Conde-Moreno at #Jfokus 2026 Understand your models before they understand you ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #AI #Explainability #XAI #LLM #Ethics #Transparency 110
Jfokus @jfokus.se · 11/11/2025🧩 Hands-on Lab: Build Your Own Java-based MCP Server with David Parry at #Jfokus 2026 Learn the protocol of the future and forge your own intelligent agent ⚡ 👉 www.jfokus.se #DeveloperConference #Java #AI #MCP #Agents #HoL 021
Jfokus @jfokus.se · 10/11/2025🤖🍬 Hands-on Lab: AI in Control of Things with @joaklm.bsky.social (RISE) at #Jfokus Deep Dive Monday! Watch LLMs, IoT, and robots come alive — and meet the mighty Candytron 4000. Where code takes form and machines obey ⚡ 👉 www.jfokus.se #DeveloperConference #AI #IoT #Robotics #EdgeAI #LLM 010
Jfokus @jfokus.se · 06/11/2025🦙 Tame Your Llama - Run AI in Java with Lutske de Leeuw. Learn how to run Llama models locally, add AI to your Java apps, and let your code think for itself ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #AI #Llama #MachineLearning #NLP #Developers 031
Jfokus @jfokus.se · 04/11/2025🎃 Don’t fear the code! Join #Jforum tonight with @hansolo.eu and Ove Lindström at DF Kompetens - talks on dependency hell & dead code 👻 Register here: jforum.confetti.events/jforum-125-m... #community #developer #meetup 052
Jfokus @jfokus.se · 30/10/2025🔐 Introduction to Verifiable Credentials with Sergey Beryozkin (Quarkus Security). Step into the future of digital identity — where trust is verified, not assumed ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Security #Identity #VerifiableCredentials #OpenID #Quarkus #Java 022
Jfokus @jfokus.se · 29/10/2025🛡️ Understanding Prompt Injection with @brianvermeer.nl Learn how attackers manipulate LLMs - and how to guard your AI from the tricksters of prompt injection ⚔️ 👉 www.jfokus.se #Jfokus #DeveloperConference #AI #Security #PromptInjection #LLM #CyberSecurity #Java 083
Jfokus @jfokus.se · 27/10/2025🧵 Hands-on Lab: Developing an Asynchronous Application with Virtual Threads & Structured Concurrency Join @josepaumard.bsky.social & @ammbra1508.bsky.social to master Java’s new era of concurrency. Weave the threads of power ⚡ 👉 www.jfokus.se #Jfokus #Java #VirtualThreads #ProjectLoom 052
Jfokus @jfokus.se · 24/10/2025🐢 When ORM Becomes OMG: Performance Pitfalls in JPA and Friends with Jos Roseboom. Tame the ORM beast before it awakens the gods of latency ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #JPA #ORM #Performance #Database 051
Jfokus @jfokus.se · 23/10/2025🧵 Virtual Threads, Structured Concurrency & Scoped Values: Putting it all together with @balarawool.bsky.social (ING Bank). Master the threads of Java’s new era ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #VirtualThreads #ProjectLoom #Concurrency #SpringBoot 0104
Jfokus @jfokus.se · 22/10/2025Beneath the northern sky, something stirs once more ⚡ Developers and architects gather across the Bifröst for Jfokus 2026 — 3 days of code, learning & community in Stockholm. 🗓️ Feb 2–4, 2026 🔗 jfokus.se Join the awakening. #Jfokus #DeveloperConference #Stockholm 010
Jfokus @jfokus.se · 22/10/2025⚙️ More Action, More Overview – From 4K to 1M Threads with mboegie.dev (Moderne Inc). Harness the power of virtual threads in Java 21+ and run a million tasks without breaking a sweat ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #VirtualThreads #Concurrency #Performance 042
Jfokus @jfokus.se · 21/10/2025💡 AI vs. AI: The Live Coding Showdown @gamussa.dev ⚔️ @jbaru.ch — two coders, two AI toolsets, one IoT app. Will the lightbulb turn on? You decide. ⚡ Witness the duel where code meets the gods of automation. 👉 www.jfokus.se #Jfokus #DeveloperConference #AI #Agents #IoT #LiveCoding 011
Jfokus @jfokus.se · 20/10/2025⚡ From LLM Orchestration to Autonomous Agents - a Hands-on Lab with Mario Fusco & @kevindubois.com (IBM). Forge intelligence worthy of the gods ⚙️ Build agentic AI with LangChain4j & Quarkus. 👉 www.jfokus.se #Jfokus #DeveloperConference #AI #LLM #Agents #Java #LangChain4j #Quarkus #IBM 052
Jfokus @jfokus.se · 14/10/2025🧭 Agents, Tools, and MCP, oh my! with @JMHReif (Neo4j). Discover how agents, tools, and Model Context Protocol shape the next wave of AI development. Follow the path where code meets intelligence ⚡ 👉 jfokus.se #Jfokus #DeveloperConference #AI #MCP #Agents #Developers #Neo4j 010
Jfokus @jfokus.se · 13/10/2025⚡ High Speed Java Development with LLMs and Agents with @adambien.blog No slides, no theory - just real code, real prompts and real results. Watch the code forge itself under the sparks of AI. ⚙️ 👉 jfokus.se #Jfokus #DeveloperConference #Java #AI #LLM #Agents #CleanCode 021
Jfokus @jfokus.se · 10/10/2025🧠 Hack Your Brain: Smarter Learning for Devs at #Jfokus 2026 Learn how to use neuroscience to code better and stay ahead - with Simone de Gijt from OpenValue Amsterdam. 🌊💻 ⚡ Sharpen your mind for the battles of code. 👉 jfokus.se #DeveloperConference #Learning #Neuroscience #Productivity 050
Jfokus @jfokus.se · 09/10/2025🎧 From Javaforum to Sweden’s biggest developer conference! In this Kodsnack episode, Jfokus founder @matkar.bsky.social talks about the journey, lessons from organizing events and tips for aspiring speakers. 🇸🇪 👉 Listen (in Swedish): kodsnack.se/664/ 🔗 www.jfokus.se #Jfokus #DeveloperConferencekodsnack.seKodsnack 664 - På neutral plats, med Mattias KarlssonFredrik snackar med Mattias Karlsson om Javaforums och Jfokus historia och nutid. Hur blir man plötsligt arrangör för en stor årlig konferens på bara 18 år? Mattias berättar om Javaforums historia och... 011
Jfokus @jfokus.se · 09/10/2025🤖 After his best-rated talk at #Jfokus 2025, Alexander Chatzizacharias (JDriven) is back - this time with a sarcastic AI sidekick! How to Build Your Own Fun and Absurd Pair Programmer 👾 👉 www.jfokus.se - registration open! #DeveloperConference #AI #LLM #SpringBoot #MCP #RAG #Java 0133
Jfokus @jfokus.se · 08/10/2025🧪 Deep Dive Monday at #Jfokus - Break Your Testing Habits with Tim te Beek & Rick Ossendrijver Unlearn the old, master the new - JUnit 6, AssertJ 4 & modern testing practices. Forge your path in the halls of code ⚡ 👉 www.jfokus.se #DeveloperConference #Java #Testing #JUnit #AssertJ #CleanCode 0105
Jfokus @jfokus.se · 07/10/2025🔥 GPU-Ready AI in Pure Java with Babylon — Lize Raes & Ana Maria Mihalceanu (Oracle). A new power awakens in the realm of Java ⚡ 👉 www.jfokus.se #Jfokus #DeveloperConference #Java #AI #GPU #ProjectBabylon #MachineLearning 132
Jfokus @jfokus.se · 07/10/2025🚀 Join the next #Jforum meetup hosted by @Advania! Learn how to build a continuous upgrade culture with Spring Application Advisor 🌸 🗓 Monday 20 October 15:00 - @dashaun, Spring @Broadcom More info and registration: jforum.confetti.events/using-spring... #Java #DevOps #SpringBoot #Webinarjforum.confetti.eventsWebinar - Using Spring Application AdvisorJforum in Stockholm, hosted by Advania 022
Jfokus @jfokus.se · 06/10/2025🚀 Deep Dive Monday at #Jfokus — Building AI Agents with Spring & MCP with James Ward & Josh Long. Learn to build RAG-ready, production-grade AI agents with Spring — fast & efficient. ⚡ www.jfokus.se #DeveloperConference #AI #SpringBoot #MCP #RAG #Java #Agents 063
Jfokus @jfokus.se · 06/10/2025⚙️ Deep Dive Monday at #Jfokus — Building with Open Source AI: A Crash Course with @cedricclyburn.com & Legare Kerrisson from Red Hat. Learn how open models, Linux & Kubernetes empower you to forge your own AI path. 🔥 www.jfokus.se #DeveloperConference #AI #OpenSource #RedHat #Kubernetes #LLMs 251
