.NET Developer (Middle+ / Senior)

Responsibilities

• Design and develop backend services in C# and ASP.NET Core for B2B integration solutions
• Create Web APIs, background services, and message handlers
• Enhance and refactor existing code, including legacy components on .NET Framework
• Participate in architectural discussions and tool selection
• Design data schemas, write and optimize SQL queries in PostgreSQL
• Configure integrations with external systems and handle business events
• Work with RabbitMQ or other message brokers
• Write unit and integration tests, participate in code reviews
• Collaborate with analysts, testers, architects, and client representatives
• Support tasks from requirement clarification to production release

Requirements

• Commercial experience in C# and .NET development for 3 years for Middle+ and 6 years for Senior
• Strong experience with ASP.NET Core, Web API, and service backend development
• Knowledge of .NET 6+, .NET 8, and understanding of .NET Framework
• Good knowledge of SQL and practical experience with PostgreSQL or other relational DBMS
• Experience in developing B2B integration services and interacting with external APIs
• Experience with RabbitMQ or other message brokers
• Practical experience with Docker
• Understanding of building reliable and maintainable backend services
• Experience writing unit and integration tests
• Ability to independently dive into the subject area, clarify requirements, and propose solutions
• Experience working in distributed product or project teams
• A plus:

- Experience in HealthTech, laboratory diagnostics, or medical information systems - Experience in eCommerce, Retail, marketplaces, logistics, or payment integrations - Experience in industry, metallurgy, production, and accounting systems - Service profiling and performance optimization experience - Experience with Kafka, Redis, MongoDB, or ClickHouse - Knowledge of Kubernetes and experience setting up CI/CD in GitLab CI/CD, GitHub Actions, or Jenkins - Experience in developing microservices and event-driven systems - Experience integrating .NET applications with ML or AI services

Conditions

• Remote work
• Part-time employment
• Contract with individual entrepreneur or individual
• Schedule: 5/2