Built and integrated microservices with Spring Boot and Hibernate to fetch, aggregate, and persist data in PostgreSQL, ensuring reliable data flow across application modules.

Streamlined full-cycle deployments using Docker and automated CI/CD pipelines with Jenkins, slashing

Implemented comprehensive unit and integration testing using JUnit and Mockito, improving test coverage and reducing regression defects in production releases.

Improved accessibility compliance by implementing semantic HTML, ARIA attributes, and keyboard navigation support aligned with WCAG standards.

Deployed secure user authentication and authorization methods using OAuth 2.0 and JWT, mitigating unauthorized access occurrences by 42% and enhancing reliability during peak periods for over 1,500 concurrent users.

Optimized complex database queries leveraging Django ORM, decreasing query execution times from 850ms to 500ms, thereby improving backend system performance serving more than 1,000 daily users.

Designed and implemented scalable microservice architecture using Spring Boot and Hibernate, ensuring high availability and fault tolerance across distributed modules.

Designed backend workflows to process shipment tracking data through asynchronous event-driven pipelines using Kafka, enabling near real-time updates across systems.

Enhanced front-end architecture with TypeScript and Redux for robust state management, reducing code maintenance issues by 30% and accelerating feature development for client-facing applications.