Explore Developer Hackathons 2025

Developer hackathons are all about turning ideas into working software. Whether you're a front-end dev, backend expert, or full-stack engineer, these events are your playground to build, collaborate, and launch projects fast.
Explore Developer hackathons online and in-person
ONLINE Sustainability Sprint

Oct. 19, 2024 - Oct. 22, 2024

Ended

Whether it's reducing carbon footprints, managing waste, or developing renewable energy solutions, this hackathon challenges you to build impactful projects that address the urgent environmental …

ONLINE Frontera Hacks

Oct. 19, 2024 - Oct. 20, 2024

Ended

About the challenge Frontera Hacks is an inaugural 24-hour hackathon hosted by Frontera Devs that aims to foster a community of developers driven to innovate. …

IN-PERSON HarborHack 2024 (In-Person Hackathon)

Oct. 18, 2024 - Oct. 20, 2024

Ended

HARBORHACK, October 18-20th, 2024 (In-Person Hackathon) Welcome to HarborHack! If you have made it this far, you are interested in either technology, startups & entrepreneurship, …

ONLINE iOS Club @ GT Fall '24 Hackathon

Oct. 18, 2024 - Oct. 20, 2024

Ended

Welcome to the first iOS Club @ GT Hackathon! Get excited to build fun and innovative apps together with fellow passionate developers.

ONLINE DIGI JAM Hack

Oct. 17, 2024 - Feb. 22, 2025

Ended

Welcome to Digi Jam Hack, a high-energy, 48-hour hackathon designed to ignite digital creativity and bring out your most innovative solutions. Whether you're a developer, …

IN-PERSON Telenor Velocity Innovation Challenge

Oct. 16, 2024 - Dec. 15, 2024

Ended

Welcome to the TELENOR VELOCITY'S INNOVATION CHALLENGE! This is your chance to dive deep into the future of Agri-tech, leveraging AI and other tools to …

ONLINE The Dev Challenge

Oct. 16, 2024 - Jan. 29, 2025

Ended

Welcome to Dev Challenge, an open hackathon where innovation meets creativity! This event is designed to push the boundaries of what's possible in the world …

ONLINE Codegeist 2024

Oct. 15, 2024 - Dec. 10, 2024

Ended

Codegeist 2024 is your chance to shape the future of work! This year’s hackathon revolves around Atlassian’s system of work—a philosophy that empowers teams across …

ONLINE Lightning Fast AI Hackathon

Oct. 14, 2024 - Nov. 25, 2024

Ended

Welcome to the Lightning Fast AI Hackathon! Imagine a world where AI agents are not only intelligent like OpenAI's o1, but also lightning fast. A …

IN-PERSON [SOLD OUT!!! ] AGENTIC RAG-A-THON ($12K cash prizes)

Oct. 12, 2024 - Oct. 13, 2024

Ended

WE ARE SOLD OUT!!!! WELCOME Enter the LlamaIndex Agentic RAG-a-thon in partnership with Pinecone and VESSL AI in the heart of Silicon Valley, October 11-13. …

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machine learning · Palo Alto, California, United States

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