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
IN-PERSON Accelerated One Week Blockchain Tech Course

Oct. 26, 2015 - Nov. 1, 2015

Ended

Blockchain University provides courses & idea incubation on blockchain technologies. Sessions are taught by seasoned instructors & founders of SV funded startups. Find out more …

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Media · San Francisco, California, United States
IN-PERSON AEC Hackathon 2.6 - New York

Oct. 23, 2015 - Oct. 25, 2015

Ended

Techie developers, UI/UX designers, civil engineers, built environment professionals, students in and around the Big Apple! If you're involved in the Architecture, Engineering, Construction (AEC) …

IN-PERSON AT&T Mobile App Hackathon - Government Solutions (DC)

Sept. 26, 2015 - Sept. 27, 2015

Ended

Mobile app and IoT techies and Government techie professionals in and around the Washington DC Beltway! Have an idea for a mobile app or an …

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Industry · IoT · Transportation · Washington, District of Columbia, United States
IN-PERSON AEC Hackathon 2.5 Seattle

Sept. 25, 2015 - Sept. 27, 2015

Ended

Seattle-based techie developers, UI/UX designers, civil engineers, built environment professionals, students, and anyone else in the Architecture, Engineering, Construction field! You're invited to join your …

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Energy · Industry · Seattle, Washington, United States
IN-PERSON THack @ SFO travel hackathon

June 13, 2015 - June 14, 2015

Ended

A weekend travel hackathon? At an airport? To build cool stuff and win cash and other prizes? That's right ... THack @ SFO brings together …

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San Francisco, California, United States
IN-PERSON Philips HealthSuite Hackathon in San Francisco, CA

March 8, 2015

Ended

We’re on a mission to empower people to take better care of themselves and others. Already you can see that healthcare is leaning away from …

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San Francisco, California, United States
IN-PERSON Hack The Drive

Jan. 10, 2015 - Jan. 11, 2015

Ended

If you are a developer, designer or project manager who wants to work with some of the latest technology, tools and services for the connected …

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San Francisco, California, United States
IN-PERSON Techweek New York "Daily Disruption" Hackathon

Oct. 4, 2014

Ended

Presenting sponsor of the Hackathon, General Assembly will organize and host a one-day marathon, "Daily Disruption" - join developers and hackers for an all-day frenzy …

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United States
IN-PERSON The Fueled 2014 Hackathon

Sept. 20, 2014

Ended

On September 20-21, Fueled is hosting it’s first Hackathon in support of The White House Safety Data Initiative. We’re bringing together the best developers, designers, …

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United States
IN-PERSON Grey Healthcare Group Health Outcomes Code-a-Thon

Sept. 20, 2014 - Sept. 21, 2014

Ended

The expanding U.S. healthcare system faces significant challenges with growing costs and poor outcomes. The Affordable Care Act has taken the initial first steps to …

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United States

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