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 Bright Future Hack

March 10, 2018 - March 11, 2018

Ended

Dutch techies, developers, business people, sociologists, data scientists, or futurists! You're invited to participate in the Bright Future Hack in Eindhoven. You'll be challenged to …

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 Smart Charging Challenge

March 9, 2018 - March 10, 2018

Ended

Designers, developers, city planners, business developers, data scientists, innovators in the Netherlands! Students or professionals! If you're interested in smart vehciles and/or the UInternet of …

IN-PERSON Amsterdam Service Jam 2018

March 9, 2018 - March 11, 2018

Ended

Developers and designers in the Netherlands! Service Collective invites you to participate in the Amsterdam Service Jam 2018. Come and showcase your skills -- and …

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 Contra Costa Civic Hackathon for Open Data Day 2018

March 3, 2018

Date TBD

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 LabCo's Crypto-Day Hackathon!

March 3, 2018

Date TBD

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 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

Date TBD

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

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