Yuya Mukai (mukaiyuya)

Tokyo, Japan

FIND EVIL!

Online

AI threats strike in minutes. Build the defender that responds in seconds.

$22,000 in prizes
Jun 15, 2026 11:45 PM EDT to submit
2105 participants

GitLab AI Hackathon

Online

You Orchestrate. AI Accelerates.

$65,000 in prizes
Winners announced
6977 participants

Amazon Nova AI Hackathon

Online

Build your way with Amazon Nova

$40,000 in prizes
Winners announced
13451 participants

Gemini Live Agent Challenge

Online

Redefining Interaction: From Static Chatbots to Immersive Experiences

$80,000 in prizes
Winners TBD
11890 participants

RevenueCat Shipyard: Creator Contest

Online

Collaborate with creators to build their app in 1 month

$165,000 in prizes
Winners announced
7077 participants

Gemini 3 Hackathon

Online

Build what's next

$100,000 in prizes
Winners announced
35605 participants

Sky’s the Limit - Cloud9 x JetBrains Hackathon

Online

Reimagine the future. Make it happen. With code.

$25,000 in prizes
Winners announced
2280 participants

AI Partner Catalyst: Accelerate Innovation

Online

Accelerating innovation through the Google Cloud partner ecosystem

$75,000 in prizes
Winners announced
6950 participants

Codegeist 2025: Atlassian Williams Racing Edition

Online

Accelerate innovation: Build on Forge, extend Jira, Confluence, Bitbucket, and more— win your share of $120K.

$120,000 in prizes
Winners announced
3527 participants

Kiroween

Online

Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode

$100,000 in prizes
Winners announced
4982 participants

Chroma Awards: AI Film, Music Videos, and Games

Online

An AI Film, Music Video, and Game Competition to Unite the Creative Community

$191,500 in prizes
Winners announced
5524 participants

Cloud Run Hackathon

Online

Build applications with Cloud Run

$50,000 in prizes
Winners announced
3434 participants

Google Chrome Built-in AI Challenge 2025

Online

Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI.

$70,000 in prizes
Winners announced
14079 participants

Baseline Tooling Hackathon

Online

Accelerate availability of modern web features

$10,000 in prizes
Winners announced
2933 participants

RevenueCat Shipaton 2025

Online

Ship apps and start making money.

$355,000 in prizes
Winners announced
51901 participants

Proof of Concept

Online

If you could prove any data on the internet - what would you build?

$25,000 in prizes
Winners announced
1909 participants

Fun and Games with Devvit Web

Online

Create a new game or experience for the Reddit community!

$49,000 in prizes
Winners announced
2610 participants

Code with Kiro Hackathon

Online

A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development.

$100,000 in prizes
Winners announced
9971 participants

OpenAI Open Model Hackathon

Online

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

$30,000 in prizes
Winners announced
8655 participants

RevenueCat's World Paywall Speed Building Championships 2025

Online

Build fast. Win big.

$5,000 in prizes
Winners announced
661 participants

Meta Horizon Creator Competition: Elevate Your Mobile World

Online

Compete for 35 prizes, including two $100,000 grand prizes and a total prize pool of $1,000,000.

$1,000,000 in prizes
Winners announced
1407 participants

Adobe Express Add-ons Hackathon

Online

Code. Connect. Grow your Business.

$30,000 in prizes
Winners announced
3318 participants

AWS Lambda Hackathon

Online

Build solutions that scale: power your ideas with AWS Lambda

$15,000 in prizes
Winners announced
3717 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
128425 participants