• Developed serverless framework in Java to notify changes in user’s licenses, leveraging AWS services including AWS lambdas, CloudWatch, EventBridge, API Gateway, and IAM, resulting in 60% increased efficiency.

• Integrated CI/CD pipeline through Jenkins script, resulting in reduced deployment time by 40%.

• Implemented AWS Signature Version 4 to authenticate API requests sent to AWS lambdas by HTTP requests.

• Performed comprehensive load testing of AWS Lambdas using Gatling to simulate high user loads and verify system performance and scalability.

• Developed robust credit card web application to facilitate smooth handling of over 5M users.

• Utilized React and Redux to create a scalable and maintainable front-end architecture, and improved development efficiency by 30% through the use of reusable components, state management, and structured application architecture.

• Reduced JavaScript bundle size by implementing code splitting and tree shaking techniques, resulting in a 60% decrease in initial JavaScript payload.

• Optimized website performance by utilizing lazy loading for images and multimedia content, reducing initial page load time by 50% and improving the overall user experience.

• Accomplished 70% improvement in handling user traffic by reducing the response time of the platform, through caching and load balancing. Applied enhanced multi-level database indexing and sharding concepts to further improve performance.

• Improved code coverage by 21% through Test-Driven Development using Jest.