Responsibilities: Designed, built, and shipped production-grade full-stack applications using React, Node.js, Nest.js, Next.js, TS, Mongo, MySQL, and AWS in a microservices-based architecture. Led a team of 8 developers across 2 global locations, delivering over 3 projects per quarter for the last 4 quarters. Architected and maintained a shared Node.js module used company-wide across teams. Achieved API latency under 20ms by optimizing DynamoDB queries for high-speed reads and MySQL for writes. Implemented an asynchronous messaging system to synchronize data between multiple applications, ensuring consistency across systems. Designed services for scalability, idempotency, and reliability, integrating with distributed systems across the organization. Created a config-driven form generation system in React to dynamically merge multiple bank application forms into one, eliminating redundant fields. Handled dynamic validation rules, document uploads with retry logic, and responsive layouts for mobile, tablet, and desktop. Integrated backend services to generate PDF applications per bank from a single submission, reducing manual processing time drastically. Improved user satisfaction by 15% through A/B testing and user-focused optimizations. Achieved a 99.9% uptime for our flagship product by implementing robust monitoring using Datadog and redundancy strategies, by prioritizing system stability and regular maintenance. Conducted code reviews and mentored engineers, promoting a culture of knowledge sharing and continuous improvement. Technology stack: React JS, React native, Nest JS, Node JS, Typescript, Javascript, Salesforce, APEX, Redux, Redux-thunk, React-hooks, MySQL DB, Mongo DB, AWS, Jenkins and Docker.