AWS – Senior Java Backend Developer Responsibilities: • Design, develop, and maintain microservices and backend applications using Java (Spring Boot framework). • Integrate and deploy applications in the AWS cloud ecosystem (EC2, ECS, S3, Lambda, RDS, DynamoDB, API Gateway, etc.). • Manage and automate infrastructure as code using CloudFormation or Terraform • Build RESTful APIs for front-end and other system integrations. • Ensure application performance, quality, and scalability. • Implement security best practices. • Troubleshoot, debug, and upgrade existing systems. • Write unit and integration tests for robust, maintainable code. • Prepare technical documentation as needed.  Required Skills & Experience: • 6+ years of hands-on experience with Java, including strong proficiency with Spring Boot. • Experience in designing and building REST APIs and microservices. • Hands-on development experience in the following areas:  o Java 8 or newer  o Spring boot application development with Hibernate / JPA  o PostgreSQL  o Proficiency with AWS cloud services: § Compute (EC2, Lambda, ECS) § Storage (S3, EFS) § Database (RDS, DynamoDB) § Networking (VPC, API Gateway, CloudFront) § Additional AWS (SNS, SQS, CloudWatch, IAM, etc.) • Knowledge in design patterns & clean code principles, with focus on writing testable/tested code.  • Experience in performance tuning and microservice. • Well versed in Core Java, OOPs concepts, SOLID principles, multithreading, and concurrency. • Hands-on experience in Junit, Mockito, etc. for implementing unit testing.