Sambit Kumar Sutar

About Sambit Kumar Sutar

Full Stack Engineer experienced in designing, developing, testing, deploying, and maintaining production-grade web applications.Strong backend expertise in Node.js and Express, building scalable REST APIs, authentication systems, and modular service architectures. Experienced in MongoDB schema design, indexing strategies, and performance optimization.On the frontend, build responsive React applications with clean state management and structured API integration.Hands-on experience across the full development lifecycle:• System design and architecture planning• Backend API development• Frontend implementation• Database design and optimization• API testing and validation• Production deployment and monitoringCloud & DevOps Experience:• AWS services (EC2, S3, IAM, VPC basics)• End-to-end networking setup and environment configuration• Docker containerization and image management• Nginx configuration and reverse proxy setup• CI/CD workflow understanding• Linux server management and debuggingAI & LLM Integration:• Implemented Retrieval-Augmented Generation (RAG) pipelines• Integrated LLM-based features into products• Managed vector storage and contextual retrieval workflows• Designed backend services for AI-driven modulesFocused on building scalable, maintainable, and production-ready systems across application, infrastructure, and AI layers.

Experience

1. Full Stack Developer Product Engineering

   Spectrum Diagnostics Laboratory & Research Centre

   May 2025 — Present · New Delhi, IN

   Designed and developed RESTful APIs using Node.js and Express• Built frontend modules using React with structured API integration• Designed and optimized MongoDB schemas and queries• Implemented authentication and authorization mechanisms (JWT, RBAC)• Containerized applications using Docker• Configured Nginx as reverse proxy and load handler•Managed AWS infrastructure (EC2 deployments, S3 storage, IAM roles, networking basics)• Set up environments and handled production deployments• Integrated LLM-powered features using RAG architecture• Built backend pipelines for document retrieval and AI response generation• Debugged production issues across application and infrastructure layers

Education

• OdinSchool

  Certification On React Web Developement

• OdinSchool

  Full Stack Software Developer Bootcamp

• DRIEMS University

  Bachelor of Technology - BTech, Mechanical Engineering

  2016 — 2020