Rohit Sharma

Full Stack Engineer with 3+ years of experience building scalable enterprise SaaS applications using React.js, Next.js, Node.js, TypeScript, Express.js, NestJS, MongoDB, PostgreSQL, Redis, Docker, and AWS. Experienced in developing responsive web applications, REST APIs, authentication systems, distributed microservices, and AI-powered enterprise solutions. Improved API response time by 45% through Redis caching and database optimization while delivering secure, high-performance applications.

Full Stack Engineer - Razor Infotech Pvt. Ltd. - Delhi, India

(2025-02)

• Designed and developed scalable HRMS modules using React.js, Node.js, Express.js, TypeScript, MongoDB, and Redis, supporting payroll, attendance, employee lifecycle, and workforce management for enterprise clients.
• Architected RESTful APIs and modular backend services following microservices principles, improving scalability, maintainability, and independent feature deployment.
• Improved API response time by 45% through Redis caching, MongoDB indexing, query optimization, and efficient database schema design, enabling high-performance application workflows.
• Built secure authentication and authorization using JWT, Role-Based Access Control (RBAC), and refresh token mechanisms to protect enterprise SaaS applications.
• Developed real-time collaboration features including chat, notifications, and video calling using Socket.io, WebSockets, and WebRTC, enhancing user engagement.
• Implemented asynchronous job processing using BullMQ and RabbitMQ for payroll generation, notifications, scheduled tasks, and report generation, improving reliability and reducing request latency.
• Integrated OpenAI APIs, LangChain, LangGraph, and Retrieval-Augmented Generation (RAG) to automate enterprise workflows and intelligent knowledge retrieval.
• Containerized applications using Docker and supported AWS deployments (EC2, S3, IAM, CloudWatch), CI/CD pipelines, logging, and production monitoring for cloud-native applications.

Associate Software Developer - Elcom Digital Solutions - Noida, India

(2024-06 - 2025-01)

• Developed responsive full-stack enterprise applications using React.js, Node.js, Express.js, MongoDB, and REST APIs for production environments.
• Built AI-powered financial assistant solutions using OpenAI APIs, LangChain, and WhatsApp Business API to automate customer interactions and business workflows.
• Optimized MongoDB collections using indexing, aggregation pipelines, and query tuning, improving application performance and reducing database response time.
• Designed reusable frontend components and scalable backend APIs while collaborating with cross-functional Agile teams to deliver production-ready software.
• Implemented Redis caching and asynchronous processing to improve system throughput and optimize high-volume request handling.

Full Stack Developer Intern - Exeligo Innovation Pvt. Ltd. - Gurugram, India

(2024-01 - 2024-05)

• Developed HRMS modules using React.js, Node.js, Express.js, MongoDB, and REST APIs, contributing to end-to-end feature development.
• Implemented secure authentication and authorization using JWT and Role-Based Access Control (RBAC) for enterprise applications.
• Improved MongoDB query performance by 50% through indexing strategies and aggregation pipeline optimization.
• Collaborated with senior engineers using Git-based workflows and Agile practices to deliver production-ready software features.

Bachelor of Computer Applications - Computer Applications - Amity University (2024) Noida, India

Certification - Full Stack Web Development - Amity University (2023 - 2023)