.NET Fullstack Engineer (f/m/d), hibrido
Axpo Group • Madrid, Community of Madrid • Posted July 16, 2026
Position Overview
.NET Fullstack Engineer (f/m/d)
Energy trading moves fast, and the tools behind it need to keep up. Youll become the go-to person for a complex, business-critical application at the heart of Axpos energy trading operations. Youll start by working alongside external developers to deeply understand the system and its business logic, then progressively take ownership - delivering change requests, supporting users and driving technical improvements. Over time, youll modernize legacy logic into clean .NET code, improve test coverage and help evolve the frontend. This is hands-on, technical work on a real system with real users.
Tasks and Responsibilities:
- Learn, document and internalize application logic and business rules currently held by external developers.
- Deliver change requests, bug fixes and small features to continuously add business value.
- Provide L1/L2 support: assess and prioritize reported issues, diagnose root causes, implement f...
Energy trading moves fast, and the tools behind it need to keep up. Youll become the go-to person for a complex, business-critical application at the heart of Axpos energy trading operations. Youll start by working alongside external developers to deeply understand the system and its business logic, then progressively take ownership - delivering change requests, supporting users and driving technical improvements. Over time, youll modernize legacy logic into clean .NET code, improve test coverage and help evolve the frontend. This is hands-on, technical work on a real system with real users.
Tasks and Responsibilities:
- Learn, document and internalize application logic and business rules currently held by external developers.
- Deliver change requests, bug fixes and small features to continuously add business value.
- Provide L1/L2 support: assess and prioritize reported issues, diagnose root causes, implement f...