Johan Sene Uson (johanseneuson)

HackUPC 2026

Barcelona, Spain

BarcelonaTech student Hackathon. 700 hackers, 36 hours of coding. Dream it. Hack it. Ship it.

Non-monetary prizes
Apr 24 – 26, 2026
589 participants

OpenAI Open Model Hackathon

Online

Build with gpt-oss, OpenAI’s open weight reasoning models.

$30,000 in prizes
Winners announced
8650 participants