Over 4+ years of Java Developer experience in delivering enterprise solutions in various sectors.Experience in Object-oriented analysis and design and in Software Development Life Cycle using Agile/Scrum methodologies.Developed and maintained RESTful APIs using Java 11 and Spring Boot.Leveraged new Java 11 features like the var keyword, enhanced Optional, and the HttpClient API for cleaner and more efficient code.Ensured robust exception handling and input validation in API endpoints.Utilized functional programming paradigms with Java Streams and lambda expressions to write concise and readable code.Implemented reactive programming with Project Reactor for handling asynchronous data streams.Designed and optimized MongoDB schemas for various microservices, ensuring efficient storage and retrieval of data.Implemented indexing strategies to enhance query performance.Modeled complex relationships using embedded documents and referenced relationships.Implemented data migrations and transformations using MongoDB Aggregation Framework.Designed and implemented microservices adhering to SOA principles, ensuring loose coupling and high cohesion.Used Spring Cloud for service discovery (Eureka), configuration management (Spring Cloud Config), and inter-service communication.Strong programming skills in Java, J2EE, J2SE, JNDI with extensive ability to develop scalable applications.Extensive working with Amazon web Services like using Elastic Beanstalk, EC2 and AMI with Linux.Adding permissions to AWS SQS to interact with the Queue and involved in writing custom policies.Experienced in using Eureka Servers while deploying in EC2.Thorough knowledge of Micro service architecture and experience in implementing several design patterns Designed and developed Micro service business components using Java /J2EE, Spring Boot and Implemented REST web services based on RESTful APIs. Designed and developed RESTful APIs using Spring Boot for handling user authentication, product catalog, order management, and payment processing.