Skip to contentRU
HolyJS 2025 Spring

HolyJS 2025 Spring

JavaScript conference: from frontend to backend

April 7–8Moscow + ONLINEWTC Congress Center: Krasnopresnenskaya naberezhnaya, 12

Become a speakerBuy a ticket
  • 50speakers
  • 45talks
  • 10partners
  • 900participants

About conference

HolyJS is an IT conference for anyone who uses JavaScript technologies for frontend and backend. Technical talks about JS development from different angles: web technologies, Node.js, graphics and animations, web3, blockchain...

We gather twice a year to discuss language updates, frameworks, and tools. In a unique JS community atmosphere, with offline and online networking.

The conference is held by JUG Ru Group.

Talk topics

  • Languages
  • Backend
  • UI/UX
  • Development Tools
  • Architecture
  • Graphics

Do you want to perform but have doubts?

We can answer your questions and help you prepare for the performance.

Read more

Subscribe to our newsletter

HolyJS conference news

Updates, promo codes and featured content.
Short and to the point.

By clicking the button, you agree to the processing of personal data.

Media

The first speakers and talks will be on the site soon. If you’re considering buying a ticket but have not decided yet, we suggest you take a look at our former conferences. Here you can watch talk recordings, listen to the conference podcast, or read our corporate blog.

Conference features

  • The content selected by the experts

    The content is included in the program only after it has been checked by the program committee, which has experts with wide experience in JS development.

  • 4K video

    So that you can see each character on the slides.

  • Support

    Our support team will reply to you very soon and will not leave you alone.

  • Discussions

    You may chat with speakers and experts right after the talk. Both online and offline.

  • Change of scene

    Offline is back. This is a chance to change the scene, listen to live talks, chat with your colleagues, and just enjoy your time at the afterparty offline.

  • TechTalks

    There is lots of technical content with a little bit of non-technical content. Our conferences will help you find your way in the industry by teaching you about trends, tools, approaches, and global language and platform updates.