We are seeking a highly skilled Senior .NET Backend Developer with strong experience in .NET Core and AWS cloud services . The ideal candidate should have at least 3 years of hands-on AWS experience and a proven track record of building scalable, high-performance backend systems. Design, develop, and maintain backend services using .NET Core . Build scalable, secure RESTful APIs and microservices architecture. Deploy, manage, and optimize applications on AWS (ECS, Lambda, API Gateway, RDS, S3, CloudWatch, etc.). Write clean, maintainable, and testable code following coding best practices. Collaborate with cross-functional teams (frontend, DevOps, QA, product). Implement CI/CD pipelines using AWS or other DevOps tools. Optimize application performance and troubleshoot production issues. Participate in code reviews and architectural discussions.