Find hackathons looking for judges
Every event scored for judge accessibility. Know which hackathons welcome external judges before you reach out.
ClimateHack Berlin
Student-run, organizer email available
Why judges use HackathonRadar
Surface hackathons actively seeking judges from 12+ global sources.
- 500+ hackathons tracked monthly
- Filter by format, location, and category
Know which events welcome external judges before you reach out.
- Every event scored 0-100 for judge accessibility
- Three clear tiers: Likely open, Worth reaching out, Probably closed
Organiser emails surfaced where publicly available so you can reach out.
- One-click contact from the database
- Organiser track record and event history
Why judge at hackathons?
Judging is one of the most rewarding ways to engage with the developer community.
Give back to the community
Share your expertise and help the next generation of builders.
Talent scouting
Meet talented engineers and designers before anyone else.
Stay current with emerging tech
See what developers are building with the latest technologies.
Network with organisers and sponsors
Build relationships with the people running tech events.
Build your professional brand
Strengthen your profile as a thought leader in your field.
Support visa applications
Judging roles provide documented evidence of industry expertise and community contribution.
How accessibility scoring works
Each hackathon is scored 0-100 based on publicly available signals that indicate openness to external judges.
Accessibility tiers