Senior FinTech Software Engineer — FX Platform (Remote)

An international fintech company is seeking a Senior Software Engineer in Madrid to develop and optimize a multi-currency accounting and foreign exchange platform. This role emphasizes collaboration, ownership, and technical excellence in a remote-friendly environment. The ideal candidate will have strong experience in complex software systems, Python, and the FinTech sector, contributing to both new initiatives and improving existing systems while mentoring junior engineers.
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