The team that makes our magic work is growing: will you be a part of it?

Fidesmo

Pay is their flagship, launched with Visa, Mastercard, banks and wearable makers — powering Swatch Pay and Honor's smartwatch payments. Work spans tiny-footprint chip code up through scalable server code and iOS/Android/web/CLI clients, developed in-house under their own quality bar. Backend team role building the services connecting to payment networks, transit authorities, and secure chips.

You'd learn to implement cryptography correctly and manage keys securely in a highly concurrent environment, and take part in CI/DevOps. Agile process — you'd join design/implementation discussions, planning, and code reviews. The expectation is you grow alongside more experienced developers until you own one or more subsystems and contribute to other projects/libraries.

Open to experimenting with new tech; University degree in computer science, maths, physics, or engineering Some server-side coding experience Comfortable working in English day-to-day Onboarding with formal + on-the-job training alongside experienced developers ~ Central Madrid office, well connected by Cercanías/Metro/bus ~ Versátil hours and remote work ~

📌 Junior Backend Developer (Remote) (Madrid)
🏢 Fidesmo
📍 Madrid