Senior Fullstack Engineer — Customer Portals & APIs

Factorial is hiring a Fullstack Engineer in Barcelona to build scalable user experiences and customer-facing portals. You'll work in a collaborative environment with a team of over 250 developers, using Ruby on Rails and React. The role involves designing systems that integrate internal platforms while improving user interactions. Ideal candidates have 5+ years of backend or full-stack experience, strong skills in API development and user experience with a focus on reliability. Join us to contribute to cutting-edge business management technology.
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