Job descriptionDesign, develop, and maintain backend services using Java and AWS serverless technologies .Develop RESTful APIs and integrate with front-end and third-party services.Design and optimize data models and queries for Amazon DynamoDB .Work with AWS services such as Lambda , API Gateway , S3 , CloudWatch , and IAM .Ensure application scalability, performance, and reliability.Write clean, maintainable, and efficient code following best practices.Collaborate with cross-functional teams including frontend developers, DevOps, and product managers.Troubleshoot and resolve technical issues across development, test, and production environments.