Interact. Learn. Evolve.

The XtremeJS Online Conference

The XtremeJS 2025 online conference took place on December 2, 2025.

The Greediness for Knowledge, Experience and Professionalism

We were excited to welcome the entire JavaScript community to the XtremeJS 2025 online conference. The event featured short sessions (30 minutes each, including Q&A) with speakers from all over the world, and was further energized by a variety of engaging competitions that generated significant excitement and community interaction. The conference concluded with an excellent professional panel, which provided insightful perspectives and thoughtful discussion on key topics shaping the JavaScript ecosystem.

Five Years of XtremeJS: Community, Coding, and Creativity!

Since 2021, XtremeJS has brought developers together from around the world. The 2025 edition marked our 5th anniversary—a milestone made possible by our amazing community. In 2025, the conference featured inspiring talks, interactive sessions, and worldwide coding challenges that made XtremeJS unlike any other JavaScript conference.

You can find more info about XtremeJS 2021 @ https://xtremejs.dev/2021, more info about XtremeJS 2022 @ https://xtremejs.dev/2022, more info about XtremeJS 2023 @ https://xtremejs.dev/2023, and more info about XtremeJS 2024 @ https://xtremejs.dev/2024. You can find the video of the talks that took place at XtremeJS 2021, XtremeJS 2022, XtremeJS 2023, and XtremeJS 2024 at https://www.youtube.com/@xtremejsconference.

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 The You Want

Video Capturing

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

Think, Compete and Learn

XtremeJS Championship

The XtremePython Championship challenges Python developers with features, fundamentals, and a bit of general knowledge about Python. Testing speed, knowledge, and mastery in one thrilling Kahoot-based competition. more info

Compete Online with Others

XtremeJS Competitive Programming

The XtremeJS 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

XtremeJS Hackathon

The XtremeJS 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

Virtual Bag of Giveaways

Digital Swags

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

Use Your Programming Skills to Escape

XtremeJS Escape Room

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

Online Professional Panels

XtremeJS 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. 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).

Feedback We Got from Attendees in Previous Conferences

Discover why developers keep coming back to XtremeJS! 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: XtremeJS delivers real value that makes a lasting impact. Here are just a few highlights from what participants had to say.