rohan bahl (rohan_bahl)

Singapore

Nebius x NVIDIA Global AI Hackathon

Online

Build the next frontier of AI on open infrastructure

$50,000 in prizes
Oct 30, 2026 01:00 PM EDT to submit
27198 participants

CockroachDB × AWS Hackathon - Build with Agentic Memory

Online

Agents that think. Agents that act. Agents that remember; reliably, globally, at any scale.

$8,750 in prizes
Winners announced
3690 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46672 participants

Hack&Roll 2026

Singapore, Singapore

Singapore's largest student-run hackathon

Non-monetary prizes
Jan 17 – 18, 2026
614 participants

TikTok Hackathon Challenge 2023

Online

Unleash creativity and break boundaries

$11,790 in prizes
Winners announced
542 participants