Sehajpreet Singh

About Sehajpreet Singh

At Publicis Sapient, my role as an Experience Engineer L2 involves designing and implementing backend systems using Java, Python and creating robust, scalable cloud solutions with AWS services. With a Bachelor of Engineering from Thapar Institute, I apply my formal training to solve complex problems and contribute to projects that enhance system connectivity and user experience.My work includes developing RESTful APIs, optimizing Angular-based user interfaces, and automating personalized email notifications using AWS SNS. These technical efforts have significantly improved user engagement. My commitment to mentoring junior engineers and my contributions to front-end development underscore our team\'s dedication to engineering excellence and collaborative growth.

Experience

1. Consultant

   Deloitte

   Oct 2025 — Present · Gurugram, IN

   Developed scalable GraphQL APIs using FastAPI, implementing asynchronous provessing, optimized data fetching, and efficient database integration to improve performance and reliability-Integrated Redis caching with FastAPI-based REST APIs to significantly improve performance, reduce database load, and optimize response times, enabling efficient handling of high-concurrency traffic and scalable data retrieval for production-grade applications and services-Implemented DataLoader architecture in GraphQL to efficiently batch and cache database requests, eliminating N+1 query issues, reducing redundant queries and improving low-latency data fetching across complex resolver operations.

Education

• Thapar Institute of Engineering & Technology

  Bachelor of Engineering - BE, Computer Software Engineering

  2017 — 2021