bijun zheng (zhengbijun123)

Chengdu, Sichuan, China

Build with Gemini XPRIZE

Featured

Online

$2,000,000 in prizes. Build with Gemini. Ship products that impact the world.

$2,000,000 in prizes
Aug 17, 2026 04:00 PM EDT to submit
10506 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
Jun 19, 2026 02:45 AM EDT to submit
961 participants

Optimization Grand Challenge 2026

Magokjungang 8-ro, South Korea

A global optimization competition by LG CNS — solve the Grand Shipyard Puzzle and compete for KRW 200M in prizes!

$103,000 in prizes
May 25 – Jun 8, 2026
149 participants

DevNetwork [AI + ML] Hackathon 2026

South San Francisco, CA, USA

Join the nation's largest challenge-driven AI and ML in-person + online hackathon @ AI DevSummit 2026!

$8,000 in prizes
May 11 – 28, 2026
1136 participants

Reddit Mod Tools and Migrated Apps Hackathon

Online

Join Reddit to build moderation tools for the Reddit community!

$45,000 in prizes
Winners TBD
3118 participants

Build with MeDo Hackathon

Online

Build creative applications with MeDo, no coding required. Push the boundaries of what you can create.

$50,000 in prizes
Winners TBD
8435 participants