Senior Backend Engineer (Madrid)

We are currently working with a fast-growing international fintech, seeking a Senior Backend Engineer to join their core systems team. This is a key role where you’ll work on the platform’s multi‑currency accounting and FX systems – the backbone of the product.

What you’ll do:

• Develop and maintain scalable, reliable backend systems that power key financial operations.
• Design new services and improve existing ones, tackling both microservices and legacy code.
• Collaborate with product and engineering teams to deliver initiatives end-to-end.
• Mentor colleagues and contribute to the overall technical growth of the team.
• Take full ownership of the services you build, from development to maintenance.

What they offer:

• Competitive salary and performance‑based bonus
• Private health insurance
• Meal vouchers
• Budget for training and certifications
• Open‑source‑friendly culture...