Bilingual .NET Developer

About the role

We are seeking a bilingual .NET Developer to design, build, and maintain high‑performance backend applications. The role focuses on creating scalable microservices, robust APIs, and cloud‑native solutions while collaborating with cross‑functional agile teams.

Key responsibilities

• Design, develop, and maintain scalable backend services using .NET and ASP.NET Core.
• Build and optimize RESTful APIs, ensuring versioning, validation, and comprehensive documentation.
• Implement microservices‑based architectures and distributed system patterns.
• Analyze and improve application performance, memory usage, and concurrency.
• Integrate secure authentication and authorization using OAuth2 and OpenID Connect.
• Work with Entity Framework and relational databases to fine‑tune queries, indexes, and execution plans.
• Containerize applications with Docker and Docker Compose, handling container networking and deployment.
• Apply observability practices: structured logging, metrics, distributed tracing, and monitoring.
• Develop automated unit, integration, and contract tests using tools such as WebApplicationFactory.
• Participate in code reviews, architecture discussions, and cross‑team collaboration.

Required profile

• Proven experience in backend development with .NET technologies.
• Strong understanding of microservices, distributed systems, and cloud platforms (Azure or AWS).
• Hands‑on expertise in API design, security, and performance optimization.
• Ability to work in an agile environment and communicate effectively in both English and another language.

Required skills

• .NET
• C#
• ASP.NET Core
• Web APIs
• REST API design
• Swagger/OpenAPI
• Entity Framework
• SQL query optimization
• Docker
• Docker Compose
• Azure
• AWS
• OAuth2
• OpenID Connect
• Claims‑based authorization
• Secrets management
• Distributed systems concepts (retries, idempotency, timeouts)
• Microservices architecture
• Structured logging
• Metrics collection
• Distributed tracing
• Application monitoring tools
• Unit testing
• Integration testing
• Contract/API testing
• WebApplicationFactory