Backend Engineer building GitLab Duo Chat’s Python agentic runtime. Developing secure AI features and APIs for GitLab’s DevSecOps orchestration platform.
About the role
- Senior .NET Backend Developer responsible for designing and maintaining robust backend systems using .NET technologies. Collaborating with cross-functional teams and mentoring junior developers in software architecture principles.
Responsibilities
- Design, develop, and maintain backend services using .NET and C#
- Apply Clean Architecture principles to ensure maintainable and scalable codebases
- Implement and consume RESTful APIs
- Work with Entity Framework (EF) for data persistence and complex data modeling
- Design and build event-driven systems using messaging technologies like RabbitMQ
- Apply strong software architecture principles to guide system design and service interactions
- Write unit tests and contribute to overall test automation practices
- Integrate and manage distributed caching mechanisms (e.g., Redis, NCache) to improve performance
- Develop efficient SQL queries and work closely with SQL Server
- Collaborate with cross-functional teams, including frontend, DevOps, and QA
- Participate in code reviews, architecture discussions, and mentoring junior developers
Requirements
- 5+ years of experience in backend development using .NET / .NET Core
- Strong experience with Entity Framework (EF)
- Solid understanding of event-driven architecture and experience with RabbitMQ (or similar)
- Hands-on experience applying Clean Architecture and SOLID principles
- Strong grasp of general software architecture concepts (e.g., layered architecture, DDD)
- Proficiency in unit testing frameworks (e.g., xUnit, NUnit, Moq)
- Familiarity with distributed caching systems such as Redis or NCache
- Experience building and consuming RESTful APIs
- Strong skills in SQL Server development and optimization
- Experience working with version control systems like Git
Benefits
- Extensive health insurance package
- Annual vacation
- Sick and personal days
- Remote-hybrid work environment
- Flexible work arrangements
- Collaborative and supportive work culture
- Opportunities for professional growth and development
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