**What you will do**

**Backend architecture & development**

· Design, develop, and maintain scalable, resilient backend services using C# and the .NET (.NET Core) framework.

· Build and evolve licensing‑related domain services, ensuring correctness, security, and high availability.

· Translate functional and non‑functional requirements into clean, maintainable backend designs aligned with architectural standards.

**APIs & integrations**

· Design and implement RESTful APIs that enable reliable communication between frontend, backend, and external systems.

· Integrate third‑party services and APIs, ensuring robustness, error handling, and observability.

· Contribute to API versioning, backward compatibility, and contract stability.

**Data & persistence**

· Design, implement, and optimize relational database models (SQL), with a strong focus on data integrity and performance.

· Analyze and r...