Senior C# .NET Engineer — Madrid FinTech

Client Server; Humanes de Madrid; Presencial; EUR 108.000 - 132.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Salary up to €120k

Bonus

25 days holiday

Healthcare

Pension contribution

Career development

Descripción de la vacante

Client Server in Madrid is seeking a Senior Software Engineer to join a fintech-scale team and own core platform development using C# .NET in a Windows environment. The role focuses on building high‑impact systems, ownership of technical projects, and end‑to‑end delivery in a fast-growing setting.

You should have a top-tier university background with strong math/CS grades, multilingual English, and a passion for solving complex distributed problems.

Formación

• Top university in Spain or top 200 globally; Bachillerato 9.0+ and university CS/Math 7.0+ preferred.
• Technologist who enjoys collaborating and solving problems on complex distributed systems.
• Experience with modern C# .Net; willing to use C# going forward.

Responsabilidades

• Deliver the core platform within a Microsoft environment using the latest C# .Net versions.
• Own technical projects across the full development lifecycle.
• Contribute to growth and progress of the company from ground up.

Conocimientos

C# .Net

OO languages

Full software development lifecycle

Problem solving

Herramientas

Java

C++

Python

Descripción del empleo

Client Server in Madrid is seeking a Senior Software Engineer to join a fintech-scale team and own core platform development using C# .NET in a Windows environment. The role focuses on building high‑impact systems, ownership of technical projects, and end‑to‑end delivery in a fast-growing setting.

You should have a top-tier university background with strong math/CS grades, multilingual English, and a passion for solving complex distributed problems.