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 WebVM: The hackathon II

7 Apr 2025 - 14 Apr 2025

Ended

About the challenge WebVM: The hackathon is a global hybrid event open to all developers! Dive into the world of in-browser virtualization by leveraging CheerpX, …

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Beginner · Education · Web · Leeds, England, United Kingdom
IN-PERSON GreatUniHack 2024

9 Nov 2024 - 10 Nov 2024

Ended

Welcome to GreatUniHack! We're gathering the UK's brightest and most creative students (you!) to join us in turning awesome ideas into reality, networking with companies, …

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Beginner · Social · Manchester, England, United Kingdom
IN-PERSON Fetch.ai Intern Program Hackathon

10 Aug 2024 - 31 Aug 2024

Ended

About Fetch.ai Fetch.ai’s vision is to create a marketplace of dynamic applications. We are empowering developers to build on our platform that can connect services …

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Machine Learning · Bury St Edmunds, England, United Kingdom
IN-PERSON LDK Hackathon at Advancing Bitcoin

13 Mar 2024 - 15 Mar 2024

Ended

Join Us Live in London at Advancing Bitcoin Are you ready to supercharge your skills and dive into the exciting world of Bitcoin's Lightning Network? …

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Design · Mobile · London, England, United Kingdom
IN-PERSON ETH Oxford

8 Mar 2024 - 10 Mar 2024

Ended

About the challenge ETH Oxford is a 3-day blockchain hackathon between March 8 - March 11 bringing together the best builders of web3 alongside talented …

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Beginner · Blockchain · DevOps · Oxford, England, United Kingdom
IN-PERSON HKD - Hackathon

24 Sep 2022

Ended

Software engineers, developers, AI and ML researchers, data scientists, and student techies in and around Belfast! Willis Events invites you to participate in the brand …

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AI · AR/VR · industry · Belfast, Northern Ireland, United Kingdom
IN-PERSON Leeds City Council Hack for Good

23 Sep 2022

Ended

Calling all thinkers and doers of all backgrounds and skill levels in and around Leeds! If you're an academic, data analyst, developer, or if you …

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AI · industry · non-profit · Wearable technology · Leeds, England, United Kingdom
IN-PERSON Hack to the Future

2 Jul 2022 - 3 Jul 2022

Ended

Junior or mid-level developers and engineers — aged 18+ — in the Greater London Area! If you are interested in using technology as a force, …

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API · industry · non-profit · London, England, United Kingdom
IN-PERSON Food Poverty Hackathon Pitch Night (IN PERSON)

20 Jun 2022

Ended

Are you passionate about using technology to help combat food poverty? Deen Developers invites you to come and attend the Food Poverty Hackathon Pitch Night. …

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industry · non-profit · London, England, United Kingdom
IN-PERSON Hack for Food Poverty - Innovation Day

11 Jun 2022

Ended

Coders, designers, data geeks, and others in the Greater London Area! If you're passionate about using technology to help overcome food poverty, then Deen Developers …

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industry · non-profit · London, England, United Kingdom

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