Backend Engineer - Scalable Data APIs & AI Tools (Remote)

Marfeel group is seeking a Backend Engineer in Barcelona to join their high-ownership engineering team. The role requires 5+ years of experience in backend service production, strong proficiency in Node.js and TypeScript, and an understanding of API design and performance optimization. Benefits include flexible working arrangements, subsidized health insurance, and support for home office equipment. Join us in building a product that serves publishers worldwide.
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