Hackathons for founders in Barcelona

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The Barcelona events worth planning around, at a glance.

ES October 2026

October 2026

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12 AI Engineers Barcelona AI Engineers Barcelona 19:00 · Hackathon
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Norrsken Fixathon 2026: Decoding the Paris Agreement
19 AI Engineers Barcelona AI Engineers Barcelona 19:00 · Hackathon
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About Barcelona · October 2026

Barcelona is in a builder-meetup stretch, with the big draw still months out. The main event, 4YFN at MWC on Mar 1, brings 1,000+ startups and a dense investor floor. Until then, the AI crowd is active: AI Engineers Barcelona (Oct 19) and AI Builders (Oct 21) are the ones worth a slot. Barcelona Deep Tech Summit on Nov 3, run by Mobile World Capital, is the best conference in the meantime.

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