◦ Enhanced React.JS frontends using Web Components and Shadow DOM, increasing modularity and
improving user experience for 5K+ enterprise users across the European Market.
◦ Designed 5+ microservices using SpringBoot, Kafka for messaging, and Docker for containerization, enabling
asynchronous processing, reducing system downtime by 28%, and Redis for caching.
◦ Improved API response time by 200ms by refactoring complex Hibernate ORM queries and applying
PostgreSQL indexing, replacing inefficient query logic with optimized SQL statements
◦ Increased UI performance by incorporating established design patterns and optimizing web components.
◦ Worked closely with backend, QA, DevOps, and product teams to clarify requirements, resolve integration
issues, and ensure smooth delivery of frontend features within Agile sprint cycles.
◦ Diagnosed and resolved issues across React components and Spring Boot services, adding Jest and
Playwright coverage for critical P1 test cases and cutting regression defects by over 70%.
◦ Ensured stable, zero-downtime releases by implementing a multistage CI/CD pipeline on AWS