Middle/Senior Software Engineer — Belmoney Belmoney is a Belgian fintech company operating in the international money transfer (remittance) space. We're looking for a Middle/Senior Software Engineer to join our product team.

What you'll do

Build and maintain fullstack solutions spanning frontend and backend

Design and implement backend services (APIs, payment provider integrations, event processing)

Work with cloud infrastructure to build resilient, scalable systems

Contribute to product architecture decisions, participate in code reviews, mentor junior engineers

Collaborate closely with product, DevOps, and compliance teams (KYC/AML, PSP flows)

Our stack

Frontend: React, Next.js, TypeScript

Backend: C# (.NET)

Infrastructure: AWS (SQS, SNS, Lambda, EventBridge), Docker

What we're looking for





4+ years of commercial experience in fullstack/backend development

Strong command of C#/.NET and solid frontend experience with TypeScript/React

Experience with cloud platforms (AWS preferred)

Solid understanding of distributed systems design principles

English proficient enough for daily work communication

Nice to have

Knowledge of Ukrainian and/or Russian is a strong plus — it will help with communication across part of our team and customer base

Experience in fintech, payments, or banking

Experience with event-driven architecture (SQS/SNS/Kafka)

Familiarity with DevOps practices (CI/CD, IaC)

Experience with AI

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📌 Full Stack Developer AI (Madrid)
🏢 Belmoney
📍 Madrid