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 CRYPTO⚡HEROES #5 Ethereum Hackathon Level 1

March 9, 2018 - March 10, 2018

Ended

Developers in the San Francisco Bay Area! And are you interested in learning about smart contracts and blockchain technologies? Then you're invited to participate in …

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fintech · industry · San Francisco, California, United States
IN-PERSON #CesgaHack18 : GPU Hackathon

March 5, 2018 - March 9, 2018

Ended

The goal of this hackathon is to accelerate the execution of simulation applications coded by developers with no experience in parallel programming. Our goal is …

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energy · fintech · industry · Santiago de Compostela, Galicia, Spain
IN-PERSON LabCo's Crypto-Day Hackathon!

March 3, 2018

Ended

LabCo NYC is an early stage startup incubator. We believe that amazing products can be built when creative minds collaborate. We are looking for top …

IN-PERSON Contra Costa Civic Hackathon for Open Data Day 2018

March 3, 2018

Ended

Developers, designers, professionals, students in the Bay Area! Do you have a passion for open data projects? Come and participate in the Contra Costa Civic …

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big data · Walnut Creek, California, United States
IN-PERSON Hacker Games: Kaunas 2018

March 2, 2018 - March 4, 2018

Ended

H A C K E R G A M E S are back to Kaunas! Hackers, engineers, business developers and all those who want to …

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big data · blockchain · energy · games · Kaunas, Kaunas, Lithuania
ONLINE Lenovo Scholar Network 2018 National App Development Competition

Feb. 27, 2018 - April 11, 2018

Ended

Lenovo’s partnership with the NAF brings a robust mobile app development curriculum and delivery program to NAF academies. The Lenovo Scholar Network, now in its …

IN-PERSON Hackathon #2 - Building the Low-Cost-Diaper-Machine!

Feb. 25, 2018

Ended

Designers, developers, lateral thinkers in Germany? Are you interested in the circular economy and recycling? Then DYCLE (the Diaper Cycle project) invites you to participate …

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industry · Berlin, State of Berlin, Germany
IN-PERSON AEC Hackathon 5.0 - Oakland

Feb. 23, 2018 - Feb. 25, 2018

Ended

AEC professionals in the San Francisco Bay Area — developers, UI/UX designers, civil engineers, built environment professionals! You're invited to take part in the AEC …

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energy · industry · iot · Oakland, California, United States
IN-PERSON VEERUM + DCSIL Hackathon

Feb. 23, 2018 - Feb. 24, 2018

Ended

Developers in the Toronto area and beyond! Are you an AI enthusiast? If you're interested in a full-time position in AI development, then you're invited …

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industry · Toronto, Ontario, Canada
IN-PERSON Bosch ConnectedExperience (BCX) 2018

Feb. 21, 2018 - Feb. 22, 2018

Ended

The Bosch ConnectedExperience (BCX) is a two-day Internet of Things (IoT) hackathon for backend and frontend developers, product owners, product managers, UX experts, and innovators …

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ai · energy · industry · iot · Berlin, State of Berlin, Germany

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