Backend Developer

• Design, develop, and maintain backend services in C# (.NET Core) for the SaaS platform.
• Design and manage database schemas and data access layers using Entity Framework Core.
• Build and maintain secure, well-documented REST APIs consumed by frontend services.
• Implement backend business logic using DDD and Clean Architecture principles.
• Design and operate microservice-based and event-driven systems.
• Implement authentication and authorization (RBAC) using ORY Kratos & ORY Keto.
• Support real-time system behavior and live updates using SignalR.
• Collaborate with frontend, AI, and platform teams to integrate end-to-end features.
• Ensure backend systems meet standards of scalability, reliability, security, and observability.
• Write and maintain unit and integration tests to ensure system stability.

Conocimientos

C# and .NET Core Database design REST APIs DDD and Clean Architecture RBAC Microservices Apache Kafka SignalR Unit and integration tests Effective collaboration

A leading IT service company in Valencia is seeking a Backend Developer to design and develop backend services using C# and .NET Core. This hybrid role allows for 3 days per week in the office, focusing on building secure and reliable systems for AI-driven applications. Ideal candidates will have strong skills in database design, microservices, and experience with REST APIs, while working within a vibrant team that values innovation and career development., * Strong professional experience as a Backend Developer working with C# and .NET Core.

• Proven experience in database design and data access using Entity Framework Core.
• Hands-on experience building secure REST APIs for production systems.
• Solid understanding of DDD and Clean Architecture principles.
• Experience implementing authentication and authorization, including RBAC.
• Familiarity with ORY Kratos and ORY Keto identity systems.
• Experience working with microservices and inter-service communication.
• Exposure to real-time systems and technologies such as SignalR.
• Strong experience writing unit and integration tests.
• Ability to collaborate effectively with cross-functional teams.