Senior Back-end Developer (.NET)

• 8+ years of professional experience in backend development with .NET / C#
• Proven hands-on work with .NET Core / .NET 8+ (not primarily .NET Framework legacy maintenance)
• Proven production experience with Clean Architecture and CQRS patterns (MediatR or similar)
• Strong MySQL expertise with Dapper for high-performance queries and EF Core for domain management
• Hands-on AWS experience: Fargate, RDS
• Demonstrated focus on unit and integration testing
• C1 English level or higher
• Experience migrating large legacy systems incrementally without breaking existing behavior
• Active use of AI tools (Claude Code, GitHub Copilot, or similar) integrated into the daily development workflow
• Bonus: experience building or configuring MCP servers, multi-agent workflows, or custom AI integrations

Skills

• .NET 8+
• C#
• Clean Architecture
• CQRS
• MediatR
• MySQL
• Dapper
• EF Core
• AWS Fargate
• AWS RDS
• Unit Testing
• Integration Testing