Develop and maintain scalable .NET backend services, REST and GraphQL APIs, and microservices. Design SQL Server schemas, optimize queries, implement Entity Framework Core data access, and build secure authentication flows. Collaborate in Agile teams with product, frontend, and QA stakeholders. Write automated tests, apply Clean Architecture and DDD, resolve performance and production issues, maintain API documentation, and support Azure DevOps CI/CD, Docker, monitoring, and structured logging.

Develop and maintain responsive, accessible, high-performance web applications using React and TypeScript. Build reusable components, integrate REST and GraphQL APIs, implement automated testing, optimize performance, and maintain code quality through reviews and static analysis. Use Azure DevOps for source control, work tracking, and automated deployments. Collaborate with product managers and backend engineers in an Agile sprint environment to deliver production-ready features from designs and requirements.