Shakers in Madrid is seeking a Senior Full Stack Software Developer to own core systems of a next-generation FinTech platform. This hands-on role involves customer-facing portals, backend services, and API design, with two days a week onsite in Retiro.You'll collaborate with product, data and business teams on architecture, security and performance, review code, and mentor junior developers. The team uses AI-assisted tooling to move fast while maintaining quality.
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