• Migrated dynamic digital products, like real-time messaging apps, from the MEAN stack to the MERN stack, yielding a 30% enhancement in maintainability.
• Optimized RESTful API performance by revamping user authentication endpoint back-end to utilize token-based authentication, achieving a 40% reduction in response times, and enhancing overall system scalability.
• Implemented responsive front-end UI design techniques leading to a 25% improvement in mobile users’ satisfaction and retention rates.