• Decreased website load times by 30% through frontend optimizations, including lazy loading, code splitting, and efficient state management with React, improving overall site responsiveness• Developed and optimized backend custom APIs in NestJS, reducing response times by 20% through the use of built-in caching mechanisms and advanced pagination techniques in PostgreSQL• Implemented robust authentication and authorization systems using JWT and Passport.js within NestJS, ensuring secure… Show more • Decreased website load times by 30% through frontend optimizations, including lazy loading, code splitting, and efficient state management with React, improving overall site responsiveness• Developed and optimized backend custom APIs in NestJS, reducing response times by 20% through the use of built-in caching mechanisms and advanced pagination techniques in PostgreSQL• Implemented robust authentication and authorization systems using JWT and Passport.js within NestJS, ensuring secure user access and protecting sensitive transaction data, contributing to backend security in full-stack applications Show less

• Developed a secure and scalable RESTful API using Django and Spring Boot with OAuth 2.0 integration, strengthening backend security for loan applicants by 40% and reducing unauthorized access• Increased loan submission completion rates by 25% by building a responsive full-stack loan application portal using Node.js, optimizing UI design and backend real-time data validation to enhance client interaction flow• Achieved a 15% reduction in latency and a 20% increase in user engagement by… Show more • Developed a secure and scalable RESTful API using Django and Spring Boot with OAuth 2.0 integration, strengthening backend security for loan applicants by 40% and reducing unauthorized access• Increased loan submission completion rates by 25% by building a responsive full-stack loan application portal using Node.js, optimizing UI design and backend real-time data validation to enhance client interaction flow• Achieved a 15% reduction in latency and a 20% increase in user engagement by optimizing backend performance and scaling the email notification system using Java, AWS Lambda, SES, microservices architecture, and the Spring Framework Show less