Umar Alhaji Hussaini (umaralhajihussaini)

Nigeria

OrionHackathon

USA

Where Operations Research Meets Innovation

$1,000 in prizes
Jul 17 – Aug 5, 2026
301 participants

HackNomics

Online

For the Tech Legends !!

Non-monetary prizes
Winners announced
351 participants

Dakar Bitcoin Hack

Online

Create tools that will enhance the life of Senegalese people, around or on top of the Bitcoin protocol.

$1,750 in prizes
Winners announced
199 participants

OpenAI Open Model Hackathon

Online

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

$30,000 in prizes
Winners announced
8631 participants

CS Base Hack4Health

Online

Hacking for health, building for better @ CS Base!

$6,405 in prizes
Winners announced
687 participants

World’s Largest Hackathon presented by Bolt

Online

Build with AI for a shot at some of the $1M+ in prizes.

$1,037,500 in prizes
Winners announced
128315 participants