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AI-First Full-Stack Engineer — Barcelona

Description

Mainloop seeks Full-Stack Engineers to join an AI-native team in Barcelona.

You will own products from development through long-term success, building frontend and backend software used across international teams.

Candidates across North America relocation to Barcelona are welcome, with visa sponsorship and relocation support available.

You will work with AI coding agents, define engineering practices, and shape scalable architectures while delivering high-quality software.

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