◆ TOOLS · 2025 · Hackathon Solo Build

DevArena

AI-Powered Developer Hiring Platform

Next.jsReactAI graderPostgres

problem.

Resumes are noise. Hiring on actual problem-solving needs a fair, repeatable, AI-graded arena.

approach.

▸ HRs define contests with rubric.
▸ Devs submit code; AI grader scores against rubric + hidden tests.
▸ Leaderboard with anonymized ranking.

architecture.

Contest spec → Postgres
                          ↓
        Dev submission → sandbox → AI grader → score
                          ↓
                     Live leaderboard

outcome.

▸ Functional end-to-end product shipped in <24 hours.

lessons.

▸ A clear rubric + a frozen test set turn 'AI grading' from spooky into measurable.

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