• Architected and developed microservices using Java and Spring Boot, improving scalability, maintainability, and ensuring fault tolerance.• Designed and integrated RESTful APIs to streamline data exchange, enhancing transaction processing efficiency by 30%.• Leveraged Kafka for real-time data streaming and messaging, ensuring reliable communication between microservices.• Utilized Hibernate, JPA, and JDBC to optimize object-relational mapping and data persistence, reducing database access latency by 25% through SQL query optimization.• Developed highly interactive, responsive front-end interfaces using React.js, JavaScript, HTML/CSS, and Bootstrap, improving mobile user engagement by 30% and reducing bounce rates by 20%.• Improved web accessibility following WCAG guidelines by leveraging semantic HTML and responsive CSS, increasing user interaction rates by 30%.• Optimized SQL database queries, achieving a 35% reduction in load times during peak traffic, improving overall user experience.• Deployed and managed Java applications in the cloud using Google Cloud Platform (GCP) services such as Compute Engine, Cloud Storage, and Cloud SQL.• Integrated the GCP Fire Store Client Library to efficiently manage and retrieve data from cloud databases.• Implemented CI/CD pipelines using Jenkins, incorporating Selenium tests for automated build verification, achieving 25% more success in automated builds and reducing release cycles by 25%.• Configured and optimized Kubernetes clusters, managing namespaces, services, and ingress controllers for high availability and scalability.• Utilized AWS services such as S3, Lambda, and SQS to automate and scale cloud infrastructure.• Followed Agile and Waterfall methodologies throughout the SDLC, improving delivery timelines by 50% and reducing bug rates by 30%.

• Refactored legacy code to enhance application performance, achieving a 50% reduction in load times and a 30% improvement in server response times.• Developed Progressive Web Apps (PWAs) using Angular, enabling offline capabilities and improving overall performance.• Integrated Angular applications with back-end microservices, ensuring seamless data flow and enhancing user interaction.• Created high-performance and scalable back-end services using Java, reducing response times by 30% and supporting a 50% increase in user traffic.• Optimized MySQL queries for efficient database management, leading to a 40% reduction in query execution times and improving data retrieval.• Developed with Spring Boot, achieving 40% faster deployment cycles and simplifying maintenance.• Implemented comprehensive testing strategies using JUnit and Mockito, achieving over 95% code coverage and reducing production bugs by 70%.• Designed and built CI/CD pipelines with Jenkins, reducing deployment times by 40% and increasing release frequency by 30%.• Automated deployment processes for cloud-based applications on AWS, reducing manual intervention and deployment errors by 50%.• Conducted thorough testing of APIs using Postman, ensuring functionality, reliability, and security of web services, reducing critical post-launch bugs by 30%.

• Designed and implemented responsive front-end views using HTML, CSS, Bootstrap, and JavaScript, ensuring cross-browser compatibility and mobile responsiveness.• Developed web-based applications with Java Servlets for back-end processing, integrating JDBC for efficient database interaction.• Implemented CRUD functionalities for user interaction, allowing the creation, reading, updating, and deletion of records.• Utilized Hibernate ORM for seamless database integration with MySQL, simplifying data management and improving performance.• Deployed the application on a local server for testing and validation of functionality prior to production deployment.• Enhanced user experience by implementing input validation and error handling, ensuring smooth and accurate user interactions.• Contributed to the documentation of software designs, requirements, and procedures, improving project transparency and aiding future development efforts.