Senior Back-end Engineer (.NET Modernization & Architecture)

Design and lead the backend architecture using .NET 8+ under Clean Architecture and CQRS patterns. Define secure API contracts with frontend teams and implement reliable integrations with payment providers. Optimize database access using Dapper for critical queries and EF Core for domain logic. Make macro-level architectural decisions, evaluating and clearly communicating technical trade-offs to stakeholders. Collaborate through close pair programming with backend peers and coordinate regularly with frontend and AI team members. Leverage AI tools responsibly to accelerate development cycles while maintaining rigorous human code review and testing standards. Proactively identify and communicate timeline or scope risks during daily syncs and adapt plans accordingly. Manage deployments and environment-specific pipelines across AWS ECS Fargate and RDS.

8+ years of experience in software engineering, with at least 5 years dedicated to backend development using .NET and C#. C1 English level or higher. Proven experience leading large-scale migrations from legacy .NET Framework to .NET Core or .NET 8+. Strong production experience with Clean Architecture, CQRS, and MediatR. Hands-on experience with AWS services, specifically ECS Fargate and RDS. Proficiency in MySQL, using both Dapper for high-performance queries and Entity Framework Core for domain modeling. Active experience utilizing AI development tools, such as Claude Code or similar, to accelerate development and testing. Skills .NET .NET 8 Clean Architecture CQRS MediatR AWS AWS ECS Fargate AWS RDS MySQL Dapper Entity Framework Core Claude Code

Microservices Apache Kafka AWS SQS AWS SNS Model Context Protocol