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 Postponed: GiveBackHack Columbus 2020 (Date TBD)

Sept. 25, 2020 - Sept. 27, 2020

Ended

Engaged citizens, designers, developers, non-profit leaders, business men/women, entrepreneurs, changemakers, and others in and around Columbus, Ohio! If you're passionate about the use of technology …

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industry · non-profit · Columbus, Georgia, United States
ONLINE CARTESI DAPP INCUBATION PROGRAM

Sept. 14, 2020 - Oct. 12, 2020

Ended

Cartesi www.cartesi.io is the only infrastructure that allows developers to use Linux and mainstream software stacks to build Dapps, while maintaining the security of the …

IN-PERSON Copernicus Hackathon 2020

Sept. 12, 2020 - Sept. 13, 2020

Ended

European developers, designers, and business people with an interest in Earth Observation Data! If you're over 18 and a resident of the EU, Iceland, or …

IN-PERSON CodeLaunch 8 Startup Expo and Seed Accelerator in Dallas (Frisco), TX

Sept. 10, 2020

Ended

Entrepreneurs, startup types! You're invited to attend CodeLaunch - the annual startup pitch competition and entrepreneur networking conference. You'll get to see finalists from a …

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industry · Frisco, Texas, United States
ONLINE Chainlink Virtual Hackathon 2020

Sept. 7, 2020 - Sept. 27, 2020

Ended

Join one of the biggest #blockchain developer event of the year and build smart contract applications in , , , and more. We've put together …

ONLINE MAXathon I Reimagine Healthcare with Maxonrow

Sept. 5, 2020 - Oct. 3, 2020

Ended

All Blockchain experts, developers, and other tech enthusiasts are invited to reimagine the use and applications of blockchain for health and sanitary solutions in response …

IN-PERSON Media Hack Day 2020

Sept. 4, 2020

Ended

Developers, UX designers, and data scientists in the Netherlands! Media Perspectives invites you to take part in Media Hack Day 2020. You can register with …

IN-PERSON Balkan Advanced Music - Conference SJJ [2nd Edition]

Sept. 4, 2020 - Sept. 6, 2020

Ended

Musicians, DJs, developers, and other music lovers in Europe! You're invited to attend the 2nd edition of the Balkan Advanced Music Conference in Sarajevo! In …

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industry · Sarajevo, Federation of B&H, Bosnia and Herzegovina
IN-PERSON Employee Diversity Hackathon – Brighton Pride 2020

Aug. 29, 2020 - Aug. 31, 2020

Ended

Calling UX designers, developers, product owners, marketers, programmers, sales execs, HR professionals, and others who support the Lesbian, Gay, Bisexual, Transgender, and Queer (LGBTQIA+) community! …

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industry · non-profit · Brighton, England, United Kingdom
ONLINE DecentralHacks

Aug. 21, 2020 - Aug. 27, 2020

Ended

DecentralHacks is a community-driven hackathon that spans over an entire week and encourages developing blockchain-centric solutions that can affect social good, especially in fields like …

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