Sourav Lahiri

SDE-1

upGrad Education Pvt. Ltd

11-2023 - 11-2025

Developed and maintained scalable backend services using Node.js and NestJS, integrating Apache Kafka for event-driven communication and improving system responsiveness by 25%. Engineered RESTful and GraphQL APIs for real-time data processing and optimized database operations, reducing backend latency by 30%. Designed and implemented dynamic CMS modules, combining efficient backend logic with responsive React.js interfaces to enhance usability and content management. Improved application scalability by 35% through code refactoring, query optimization, and distributed processing strategies. Collaborated with frontend teams to deliver consistent, high-performance user experiences, ensuring seamless integration across services and interfaces.