Marcus Hellberg
@marcushellberg
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Applied AI Researcher, Speaker, DevRel expert. Java Champion. VP of AI Research @vaadin
California, USA
Joined November 2008
Oh wow, what an honor 🤩 The Java community is amazing
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Vaadin 25.0 has landed! 🛬 ✨ New "Aura" theme & native CSS styling ☕ #Java 21 + Spring Boot 4 support 🚀 50% faster dev-mode startup 📦 Production-ready builds by default 📉 30% fewer dependencies Check it out:
vaadin.com
Explore what’s new in Vaadin 25.0: simplified styling, a leaner frontend, smoother production builds, and practical updates for daily development.
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Some nice CSS simplifications in Vaadin 25: CSS is just CSS now, no need for any Vaadin specific theme config. New Aura theme. Automatic light/dark color scheme support.
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Today's #JCON Content Board Spotlight: @marcushellberg (Vaadin) Another #JavaChampion within our board who has over 20 years of experience in combining modern web #technologies and #Java Whether hiking or exploring the next #AI integration, he is fully committed. Join
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🟦 Full-stack Web Apps, 100% Java with @marcushellberg (Vaadin). One language. One stack. As Odin intended ⚡ 👉 https://t.co/NHlu5rgP4C
#Jfokus #DeveloperConference #Java #Vaadin #SpringBoot #Fullstack #WebDevelopment
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Spring Boot 4 is now available 🎉🤩 https://t.co/jqik7JnKcG
spring.io
Level up your Java code and explore what Spring can do for you.
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Excited to speak at @Jfokus in February. Really love my Norse god avatar, I think it really highlights my luscious locks of hair 😂 https://t.co/XQlLmj5lFD
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As requested, I will do a live demo on how I use the AI Unified Process https://t.co/AUdnouz088 Join my live stream next week on Tuesday, November 18th, at 4 pm CET. Prepare your questions! https://t.co/7egbY6WE2I
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IntelliJ IDEA + Qoder + Vaadin + Vaadin MCP Server: just a simple prompt to generate code for account and login support for entire app.
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Spring Framework 7 is GA! https://t.co/WCXAqg8cQs
spring.io
Level up your Java code and explore what Spring can do for you.
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I created a new Vaadin AI starter that gives you a great starting point for building AI-powered apps. It includes: 💬 Streaming chat interface with Open AI 🔧 MCP support ☕ Java tool calling, local and REST →
github.com
Contribute to marcushellberg/vaadin-ai-starter development by creating an account on GitHub.
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Does anyone have a functioning example with @SpringAICentral and an HTTP MCP server? I've been going round in circles for an hour reading docs and examples, but still can't get it working 🤔
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🚀 Spring AI 1.1.0 GA Released 🔧 Better MCP Integration ... 🔐MCP OAuth2 server protection 🔄 Recursive Advisors ...📦 Developer Experience: ... Over 850+ commits Kudos to the entire Spring AI community! 🙌 Find more: https://t.co/a5fkkdSihM
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👾Vaadin Tutorial for Beginners: Beautiful UIs in Pure Java My new step-by-step tutorial on using @vaadin with @springboot to build awesome UIs. Create a login page, filtered search, and update form in just 15 minutes. No HTML or JS needed! https://t.co/5JQMbEkoiP
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Are you a Vaadin developer using AI coding tools? Stop everything you're doing and add the new Vaadin MCP server to your setup before continuing! 🚀 https://t.co/EKG5nDjiil
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What an absolute treat to have my friend @starbuxman join Vaadin Create to do fast-paced, funny, and information-packed speedrun of all the exciting new features coming in @springboot 4 and @springframework 7!
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Excited to be speaking at @vaadin Create 2025! 🚀 📅 Day 1: "Spring AI & MCP for all things AI" talk 🔧 Day 2: Hands-on lab with @marcushellberg Discover how JVM rules the AI world! https://t.co/v734uzG7ZL
@SpringAICentral @MCP_Community
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