Atreyee De

System Engineer

Old Mutual South Africa (OMSA)

Feb 2022 - Present

Developed and enhanced high-performance backend applications using Java, Spring Boot, and Hibernate, ensuring strong code quality and system efficiency. Built structured Controller, Service, and DAO layers using Spring Boot and Spring Data JPA, resulting in cleaner architecture, easier maintenance, and improved efficiency in banking workflows. Developed robust RESTful Web Services for seamless data exchange between banking microservices, improving system integration and scalability. Collaborated with cross-functional teams, including QA, UI, and DevOps, to deliver high-quality features aligned with business requirements. Utilized Log4j for detailed application logging, reducing debugging time by 10% and improving system observability. Optimized MySQL queries and database schema designs to improve query execution time by 5%, enabling efficient data handling. Implemented seamless integration between frontend components and backend APIs, achieving real-time data synchronization and enhanced application performance. Implemented robust unit and integration testing strategies that delivered 95% code coverage, minimized defects, and improved overall application stability. Collaborated with business analysts to translate business requirements into technical specifications, ensuring project goals were met on time. Built dynamic and responsive user interface components with Angular 10, ensuring a smooth user experience and intuitive navigation for banking customers.