Web Development Hackathons, Contests & Competitions in madrid city center 2025🌐

Transform team collaboration with Atlassian’s System of Work - build powerful apps for Jira, Confluence, Bitbucket and more - $170,000 in prizes.

HackUPC is the first student hackathon in Spain and the biggest one in Europe.

Create a game with AWS services of your choosing: all skill levels welcome!

This hackathon invites developers to create web applications or Chrome Extensions utilizing Chrome’s built-in AI APIs and models, such as Gemini Nano, offering a unique opportunity to explore Chrome’s advanced AI capabilities.