Employee Retention Platform
•Implemented flexible module builder allowed import and analysis of any needed data with Spring MVC.
•Boosted platform performance by 50% through successful transformation into multithreaded scalable microservices architecture using Spring Boot, Eureka, Zuul, PostgreSQL and MongoDB.
•Reduced operating costs by 25% by implementing data import in batches, leading to optimized memory usage thus attaining same performance from smaller instances.
•Improved user experience by designing and implementing intelligent data skipping and caching techniques reducing average user wait time from 3s to under 200ms during report fetching.
•Developed a robust security library using OWASP, resulting in a 95% reduction in vulnerabilities and successful external penetration tests.
•Achieved 90% code coverage through rigorous unit and integration testing using SonarQube, JUnit and Mockito.
•Mentored and guided junior engineers, fostering a culture of continuous learning and growth.