Senior Backend Developer (.Net)

Proxify connects top developers worldwide with remote full-time opportunities, supporting their independent careers. They have a large network of talented developers and high client satisfaction ratings.

Responsibilities

• Architect and implement robust, maintainable, and testable backend services from scratch.
• Identify and resolve performance bottlenecks, optimizing memory usage and query execution times.
• Lead peer code reviews and establish coding standards to ensure long-term system health.
• Partner with Product Owners and Frontend Engineers to define technical requirements and API specifications.
• Work with DevOps to manage deployment pipelines and ensure smooth, zero-downtime releases.

Requirements

• 6+ years of professional experience in backend development, with deep expertise in C# and the .NET ecosystem (.NET 6/8/9).
• Advanced proficiency in building scalable Web APIs, including custom middleware, filter pipelines, and dependency injection.
• Mastery of Entity Framework Core, including performance tuning, migrations, and handling complex relational schemas in SQL Server.
• Solid experience with Azure services (or AWS equivalents), particularly in serverless functions, message queues (Service Bus), and containerization.
• Proven experience with Microservices, Domain-Driven Design (DDD), and event-driven architectures.
• A strong "test-first" mindset with experience in xUnit/nUnit and Moq for comprehensive unit and integration testing.
• Strong verbal and written English; comfortable leading technical discussions with cross-functional stakeholders.
• Time zone: CET (+/- 3 hours). We are unable to consider applications from candidates in other time zones.

Benefits

• Enjoy on-time monthly payments with flexible withdrawal options.
• Enjoy a harmonious work-life balance with consistent 8-hour working days with clients.
• Enjoy up to 24 flex days off per year without losing pay, for full-time positions found through Proxify.
• Discover exclusive long-term remote positions at the world's most exciting companies.
• Skip the typical recruitment roadblocks and biases with personally matched positions.
• A one-time contracting process for endless opportunities, with no extra assessments.
• Enjoy the same pay, every month with positions landed through Proxify.