Shreyan Dey (shreyandeycbs)

Kolkata, West Bengal, India

Global Innovation Build Challenge V2

Online

A global hackathon for foundational LLMs, applied AI, and open invention

Non-monetary prizes
Winners TBD
1724 participants

Recruit Holdings Hackathon “Innovation Cup”

CA, USA

Supported by Google Cloud, OpenAI and Indeed

$70,000 in prizes
Sep 25 – 27, 2026
94 participants

ImpactForge

Online

Every great change started with someone who decided to build it. Join ImpactForge and forge the tools, apps, and ideas the world actually needs.

$300 in prizes
Winners announced
979 participants

DevsUnite Hiring Hackathon

Online

Build something real. Start a career that matters.

₹ 3,000 in prizes
Winners TBD
177 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46674 participants

SmartAIthon 2026

Online

SmartAIthon 2026 aims to encourage students and recent graduates to develop innovative AI-driven solutions for real-world smart city challenges.

₹ 10,000 in prizes
Winners TBD
731 participants

NextGenHacks

Online

Build the future with NextGenHacks—create innovative projects, explore new ideas, and turn your vision into reality in a beginner-friendly, open-ended hackathon for all builders.

$1,000 in prizes
Winners announced
1330 participants