Backend Developer (.Net Core) - Member Lifecycle & User engagement (H/F/X)

5+ years of experience in backend software development.

Strong hands-on experience with C# and .NET.

Solid experience building and maintaining APIs, asynchronous processing, and distributed backend systems.

Good knowledge of relational and non-relational databases, especially PostgreSQL and Cassandra.

Experience with event-driven architectures and messaging platforms such as Kafka or RabbitMQ.

Experience designing and troubleshooting integrations with external/internal services over HTTP.

Strong focus on code quality, including unit tests, integration tests, and production readiness.

Comfortable working on systems with concurrency, resiliency, failure handling, and operational constraints.

Fluent in English.

Product-minded, pragmatic, and able to balance technical quality with delivery priorities.