Design and maintain Spring Boot microservices in Java for core business capabilities with JPA, caching, and resilience patterns, improving user-perceived responsiveness by 20%. Implemented secure APIs with Spring Security, OAuth 2.0, and MFA, enabling authenticated communication and protecting payment flows under 150 ms for daily requests. Develop and deploy Spring Boot REST APIs handling 120K+ daily requests with latency under 150 ms, achieving 93% performance efficiency across partner-facing services. Work extensively on front-end development using Angular and JavaScript, delivering responsive, user-friendly interfaces that increased user satisfaction. Optimize SQL schemas and queries using indexing, query plan analysis, and batching, and tune NoSQL access patterns for read-heavy endpoints, cutting average query time by 25%. Automate CI/CD pipelines with GitHub Actions and deploy Spring Boot microservices on AWS (ECS, EC2, S3) with autoscaling and monitoring, improving release speed.

Application Software Engineer at Accenture

September 1, 2022 - July 1, 2023

Architected and launched Java backend services with Spring Boot and Hibernate, secured with Spring Security using JWT and OAuth 2, optimizing queries and caching to reduce service latency by 20%. Built and secured RESTful APIs with endpoint versioning, token validation, and custom error handling, serving 75K+ daily transactions with 99.9% uptime. Developed responsive interfaces using Angular with HTML, CSS, and JavaScript, applying RxJS and lazy loading to shrink bundle size and speed first paint for desktop and mobile. Wrote and optimized SQL across MySQL, PostgreSQL, and Oracle; modeled entities with JPA, adding targeted indexes to cut complex query runtimes by 41%. Enhanced Jenkins CI/CD pipelines with automated tests and approvals, reducing deployment time by 50%. Managed cloud infrastructure on AWS using CloudFront, API Gateway, S3 to enhance content delivery and scalability.

Junior Software Engineer at Persistent Systems

February 1, 2020 - August 1, 2022

Built backend services with Core Java and Spring Boot, leveraging concurrency, caching, and connection pooling to reduce latency by 24% under peak load across production environments. Developed and optimized RESTful APIs with versioned endpoints, robust error handling, and cursor/offset pagination, decreasing API-related support tickets by 26%. Collaborated with front-end teams to build and tune React.js components improving page load and interaction times by 15% and strengthening API contracts. Managed the data layer for Node.js and Express.js APIs across MySQL and MongoDB, optimizing schemas and queries, and implementing read replicas to sustain 10,000+ active users during peak periods. Implemented automated testing with JUnit and TestNG plus Selenium WebDriver, raising effective coverage to 82%.