Justin Grierson (ju3tin)

A Hacker from back in the day

London, United Kingdom
Website
GitHub
Twitter
LinkedIn

Build, Ship, Shape: Amazon Developer Hackathon

Online

Build across Amazon Devices and shape what's next.

$138,000 in prizes
Oct 23, 2026 03:00 PM EDT to submit
51314 participants

PhysTech 2026: Physical Activity and Technology Hack Day

Online

Move, Inspire and Innovate! Demonstrate your talent and showcase your hack for physical activity.

Non-monetary prizes
Winners announced
484 participants

The London Rork Game Hackathon

Greater London, United Kingdom

Create a game before 5pm

$1,650 in prizes
Jun 13 – 15, 2026
37 participants

Gemini Live Agent Challenge

Online

Redefining Interaction: From Static Chatbots to Immersive Experiences

$80,000 in prizes
Winners announced
11829 participants

Oink Game Jam 2026

Online

A beginner-friendly, 2-week game hackathon!

$130 in prizes
Winners announced
52 participants

Sky’s the Limit - Cloud9 x JetBrains Hackathon

Online

Reimagine the future. Make it happen. With code.

$25,000 in prizes
Winners announced
2268 participants

dAppAthon

Canada

Two week online hack to create dApps or migrate your existing apps by adding components of Web3 and empowering it with Web3 Infrastructure

$18,800 in prizes
Apr 22 – May 8, 2023
2785 participants

BLUNT Hacks

Online

Growing the cannabis industry and the way we onboard to Web3

$2,200 in prizes
Winners announced
251 participants

The Worthy Web App Challenge

Online

A Progress hack-for-good challenge designed to make the world a better place, one web app at a time.

$40,000 in prizes
Winners announced
1136 participants

Theta Hackathon - Q1 2021

Online

Theta Network is the leading decentralized video delivery protocol. Join us in building products, integrations and tools for the Theta ecosystem to decentralize video infrastructure worldwide!

$85,000 in prizes
Winners announced
397 participants

Powering Possibility Hackathon

Online

Virtual Hackathon. XEM Prizes. Entrance to NEM Ignite’s Incubator a possibility for the winner!

$22,000 in prizes
Winners announced
411 participants

Microsoft Teams App Development Challenge 2021

Online

Build and publish an app for Microsoft Teams, the global collaboration platform with over 115 million daily active users.

$45,500 in prizes
Winners announced
1178 participants

Hedera21 - Hello Tokenization

Online

The future will be tokenized. Come and build a fast, fair, and secure application that takes advantage of Hedera’s new Token Service (HTS).

$137,500 in prizes
Winners announced
600 participants

The Postman API Hack

Online

Hack the future of APIs and unleash what you can do.

$100,000 in prizes
Winners announced
1838 participants

IDEA Hacks 2021

Online

The West Coast's largest hardware-focused hackathon.

$1,850 in prizes
Winners announced
86 participants

HackED 2021

Online

Alberta's largest student-run hackathon!

$1,815 in prizes
Winners announced
242 participants

Hack Solstice

Online

Hackathon by Girls Who Code, for Girls Who Code.

$1,207 in prizes
Winners announced
83 participants

SB Hacks VII

Online

Join us for UCSB's seventh annual hackathon!

$16,130 in prizes
Winners announced
243 participants

Hack for Good Accenture

Online

Help create solutions for community not-for-profits

$4,020 in prizes
Winners announced
259 participants

AWS Data Exchange Challenge

Online

Build answers to tough questions on AWS using hundreds of data sets from AWS Data Exchange

$35,700 in prizes
Winners announced
1327 participants

PyTorch Summer Hackathon 2020

Online

Welcome to the Global PyTorch Summer Hackathon! #PyTorchSummerHack

$25,500 in prizes
Winners announced
2460 participants

QurantineHacks 2020

Online

We've all been stuck in quarantine. The perfect opportunity for a hackathon!

$15,100 in prizes
Winners announced
264 participants

Abbey Road Hack-Power Of Immersion 9/10 Nov

Greater London, United Kingdom

Spend 24h in the legendary recording studio playing with Facebook Spark, Unity and spatial audio to generate multidimensional musical experiences.

£12,600 in prizes
Nov 9 – 10, 2019
57 participants

Algothon 2019 @ BlackRock

United Kingdom

24 hours to create innovative alpha generating models using the latest ML and Quant techniques inside BlackRocks office

£12,776 in prizes
Oct 19 – 20, 2019
77 participants