About the role
We are looking for a Backend .
NET Developer to build and maintain backend services in a cloud-based environment. You will work on APIs, business logic and integrations between systems, collaborating with technical and business teams throughout the development lifecycle. What you’ll do
• Develop and maintain backend applications using C# and .
NET.
• Build and integrate REST APIs and backend endpoints.
• Connect services and systems to support data exchange and business processes.
• Implement data access using Entity Framework.
• Contribute to shared data models, business logic, and status and event capabilities.
• Write and maintain tests and technical documentation.
• Support deployment, stabilization and handover activities. Requirements
• Professional experience developing with C# and .
NET.




• Experience building REST APIs and integrating systems or services.
• Hands-on experience with Entity Framework.
• Understanding of backend architecture and microservices.
• Experience working with relational databases.
• Familiarity with testing, documentation and deployment practices.
• Ability to collaborate with technical and business stakeholders. Nice to have
• Experience with AWS and PaaS environments.
• Experience with event-driven systems.
• Experience with OCR or document-processing features.
• Some front-end development experience. Core technologies C#
· .
NET
· Entity Framework
· REST APIs
· AWS PaaS Apply now or reach out for more details

📌 Backend .NET Developer (Madrid)
🏢 Infoser New Technologies
📍 Madrid