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 Nigeria Open Innovation Challenge powered by JICA

April 22, 2019 - May 5, 2019

Ended

Nigeria Open Innovation Challenge powered by JICA invites talented entrepreneurs, corporates, developers, etc that can change business-as-usual and bring more efficient and effective solution to …

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fintech · industry · Abuja, FCT, Nigeria
IN-PERSON Hackathon | Build the Future of Gaming and Entertainment

April 19, 2019 - April 21, 2019

Ended

Special Thanks to Showdown, Blockchain Gamer, and Mousebelt!Hackathon Prizes:1st Place$1,000 cash prize for team by MousebeltMeeting with AtariMeeting with QTUMPre-sale Atari VCS consoleMeeting with Draper …

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blockchain · games · media · San Mateo, California, United States
IN-PERSON Chain Accelerator is organizing, for Tendermint (tendermint.com) and Université Paris-Dauphine’s FinTech chair, a hackathon on April 13rd-14th 2019

April 13, 2019 - April 15, 2019

Ended

Cosmos/Tendermint Hackathon Chain Accelerator is organizing, for Tendermint (tendermint.com) and Université Paris-Dauphine’s FinTech chair, a hackathon on April 13rd-14th 2019. To be won: 7 000 …

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api · blockchain · Paris, Île-de-France, France
IN-PERSON Arkathon Hacking Health 2019 - Disrupt Tomorrow's Health !

April 12, 2019 - April 14, 2019

Ended

From 12 to 14 April 2019, the 5th edition of the Arkathon Hacking Health Switzerland is back at the Health Innovation Campus in Sion (Valais)! …

IN-PERSON {DECIPHER} Hackathon

April 12, 2019 - April 14, 2019

Ended

/ What is it How tough is your app? Put your skills to the test at the inaugural {DECIPHER} hackathon, which takes place from 12 …

ONLINE Challenge Argenteuil Connect

April 8, 2019 - May 19, 2019

Ended

The city of Argenteuil is calling on start-ups, developers, marketers, designers, citizens etc. to come up with new solutions to connect businesses.Submit your ideas on …

IN-PERSON CATALYST HACK: a game jam to close the STEM gender gap

April 6, 2019 - April 7, 2019

Ended

SIGN UPS CLOSED An all-female and non-binary hackathon to develop a mobile gaming app to inspire the next generation of girls in STEM, sponsored by …

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games · non-profit · London, England, United Kingdom
IN-PERSON DENVER HACKATHON w/ Bitly & Thinkful | Spring 2019

March 30, 2019

Ended

Bootcampers Collective is proud to announce our first official Web Development Hackathon of 2019! We would like to invite members of the Colorado coding community …

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industry · Denver, Colorado, United States
IN-PERSON AEC Hackathon 6.2 - San Antonio

March 29, 2019 - March 31, 2019

Ended

Programmers, developers, engineers, and others in the AEC sector! You're invited to participate in the AEC Hackathon 6.2 - San Antonio. You'll get the opportunity …

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energy · industry · iot · transport · San Antonio, Texas, United States
IN-PERSON Hack'tion For Contraception

March 29, 2019 - March 31, 2019

Ended

Developers, designers, startups and pharma students in and around Paris! You're invited to participate in Hack'tion For Contraception. You'll be challenged to co-create new solutions …

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ai · games · iot · Paris, Île-de-France, France

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