HolyJS 2025 Autumn
JavaScript conference: from frontend to backend
November 20–21Saint Petersburg + ONLINEOnline broadcast is also availableCosmos Saint-Petersburg Pulkovskaya Hotel: Ploshchad Pobedy, 1
- 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
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.
A rough Morning with HolyJS
HolyJS conference podcast.Materials
Look at how past conferences have been held.Selected Talks
Talks from different years caused the greatest response from the participants.
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.