Interact. Learn. Evolve.

The XtremeJ Online Conference

Join the XtremeJ 2025 online coming conference this November 4th, 2025.

The Greediness for Knowledge, Experience and Professionalism

We are excited to welcome the entire Java community to join us in the coming XtremeJ online conference. We are going to have short sessions (30 minutes each), with speakers from all over the world, online interactive competitions, and experts panels with whome everyone will be able to interact.

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Three Years of XtremeJ: Community, Coding, and Creativity!

Since 2023, XtremeJ has been bringing developers together from around the world. This year marks our 3rd anniversary—a milestone made possible by our amazing community. Join us in 2025 for inspiring talks, interactive sessions, and worldwide coding challenges that make XtremeJ unlike any other Java conference.

You can find more info about XtremeJ 2023 @ https://xtremej.dev/2023, more info about XtremeJ 2024 @ https://xtremej.dev/2024, and more info about XtremeJ 2025 @ https://xtremej.dev. You can find the video of the talks that took place at XtremeJS 2023, XtremeJS 2024, and XtremeJS 2025 at https://www.youtube.com/@xtremejsconference.

Feedback We Got from Attendees in Previous Conferences

Discover why developers keep coming back to XtremeJ! Attendees from past conferences have shared their excitement and appreciation across WhatsApp, LinkedIn, and beyond—praising the depth of knowledge, the inspiring talks, and the practical skills they gained. Their feedback speaks louder than any promotion: XtremeJ delivers real value that makes a lasting impact. Here are just a few highlights from what participants had to say.

Virtual Bag of Giveaways

Digital Swags

Participants will receive a virtual pack of valuable coupons, graphics, and small gifts. more info

Selected Speakers from All Over The World

Top Speakers

We aim at having talks that cover some of the more exciting, cutting-edge and interesting topics. more info

Watch the Lectures When You Want

Video Capturing

The sessions will be captured on video and will be available to all participants.

Think, Compete and Learn

XtremeJ Challenge

The XtremeJ Challenge puts Java developers to the test with fundamentals, advanced features, and a dash of general knowledge. Speed, skill, and mastery come together in a thrilling Kahoot competition. more info

Compete Online with Others

XtremeJ Competitive Programming

The XtremeJ Competitive Programming is a Kahoot-based contest with algorithmic challenges that test coding skills, logic, and speed in a fun, competitive format. more info

Think, Code and Solve

XtremeJ Hackathon

The XtremeJ Hackathon is a fast-paced coding battle where developers race to solve real challenges using any tool, framework, or library. They can even use AI-based vibe coding. more info

Online Professional Panels

XtremeJ Xperts Panel

During the conference, we will have a panel of professional developers. The panel will focus on the use of AI in software development.

Use Your Programming Skills to Escape

XtremeJ Breakout Room

The XtremeJ Breakout Room turns coding into an escape adventure. Solve Java puzzles, think fast under pressure, and race others to break free first. more info

Simple Access to The Training Material

Learning Management System

The training materials, including the video recordings of the talks, will be accessible via a Moodle-based learning management system (exclusively for premium ticket holders only).