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William Balance

Barcelona

Freelance AI full-stack developer for Barcelona companies

Barcelona, a Mediterranean startup hub with industrial roots

Barcelona has built one of the most active startup ecosystems in southern Europe. Mobile World Congress at Fira every February anchors the city as a global telecom and mobility stage. Around it, Glovo, Typeform, Factorial, Wallbox and TravelPerk represent a steady wave of scale-ups shipping AI features inside their products. The industrial side matters just as much: SEAT and the Volkswagen group’s Martorell plant drive demand for computer vision, predictive maintenance and supply chain optimization across the Catalan industrial corridor.

Barcelona Supercomputing Center and strong engineering schools keep feeding talent, and the local market is very English-friendly for senior and freelance roles.

Known companies and institutions

  • Glovo, TravelPerk and Typeform for AI-enabled product scale-ups
  • SEAT, Wallbox and the Catalan mobility and energy cluster
  • Barcelona Supercomputing Center for HPC and research partnerships

Relevant use cases for Barcelona

  • Copilots and recommendation engines for marketplaces and travel platforms
  • Computer vision and predictive maintenance for automotive and industrial clients
  • Conversational agents for customer operations in high-volume consumer apps
  • Internal AI assistants built on top of existing product data and HR tools

Talking about a project

Barcelona sits 7 to 8 hours behind Seoul, which makes async and afternoon calls work well. Need a freelance AI developer in Barcelona to ship something real? Book a 30-minute intro on Cal.com or email directly.

Got a project?

30 free minutes to scope your need and figure out whether I am the right fit.

Nearby cities

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