As a seasoned Java Backend Developer with over 4 years of experience in Java Spring Boot and AWS, along with a year of freelance expertise in JavaScript frameworks like React and Next.js, I excel in creating scalable and efficient web applications. My career is marked by a commitment to delivering high-performance solutions and ensuring timely project completion.Key Skills and Expertise:Backend Development:- Proficiency in Java and Spring Boot- Extensive experience with Spring Security, Spring Schedulers, Spring WebFlux, and Spring Batch- Advanced knowledge of AWS services: EC2, S3, SES, Lambda, and RDSFrontend Development:- Skilled in React, Next.js, Redux/Context API- Expertise in media queries, event listeners, React Hooks, and responsive layoutsSystem Design:- Strong understanding of data structures and algorithms- Experience with multi-threading and object-oriented programming (OOP)- Proficient in designing asynchronous systems, microservices, and applying design patterns and SOLID principlesTools & Technologies:- Proficient with Maven, Redis, Kafka- Skilled in using Git, Trello, Jira for project management and version controlDatabase Management:- Experience with MongoDB, MySQL- Proficient in working with REST APIs, GraphQL APIs, OAuth, Token/Session-based authentication, JWT, and Role authorizations- Knowledgeable in Hibernate, Mongo queries, Mongo Aggregations, and MySQL QueriesDeployment & CI/CD:- Expertise in deploying applications on AWS EC2, using Docker and DockerHub- Experienced with Jenkins, GitHub Actions, and Vercel for continuous integration and deployment