Software Engineer – FinTech Lending & Payments (Madrid)

INFINIT, a fintech scale-up launched in 2023, is seeking a Software Engineer (B2B Lending & Payments) to own the financial infrastructure powering client financing from loan application through funding confirmation.

You will operate at the intersection of technical mastery and customer workflow, shipping high‑performance, secure backends in C#/.NET. The role requires owning features end-to-end, collaborating with stakeholders, and upholding rigorous reliability.