Dev Sharma

Software Developer with hands-on experience building and maintaining production web applications across ERP, CRM, HRMS, CMS, and real-time systems. Strong backend development experience with Node.js, Express.js, TypeScript, PostgreSQL, MongoDB, and REST APIs. Experienced in database design and optimization, JWT authentication, RBAC, Redis caching, RabbitMQ, production debugging, Docker, Linux, and Nginx-based deployment.

Software Developer - Nextsparks Ventures LLP - Gurugram, Haryana

(2026-07)

• Develop and maintain the company's production website and custom CMS, handling feature development, debugging, and application improvements.
• Build full-stack features using React.js, Node.js, Express.js, JavaScript, and TypeScript.
• Design and integrate REST APIs with PostgreSQL and MongoDB for application data and business workflows.
• Diagnose production issues and improve application reliability, performance, and code quality.
• Translate business requirements into production-ready features and collaborate across development workflows.
• Support deployment and server-side operations using Docker, Linux, and Nginx.

Full Stack Developer Intern - DPvision Analytics - Mohali, Punjab

(2026-01 - 2026-05)

• Developed production CRM, ERP, and LMS modules using Node.js, Express.js, TypeScript, and React.js.
• Designed REST APIs supporting inventory, HRMS, CRM, and business workflow operations.
• Designed database schemas and optimized PostgreSQL and MongoDB queries using indexing and query optimization.
• Implemented backend validation, business logic, and data integrity across application workflows.
• Integrated React frontend modules with backend APIs and delivered end-to-end production features.
• Resolved application bugs and improved performance within Agile development cycles.
• Implemented Redis caching and backend API optimizations to reduce unnecessary database operations.

Full Stack Developer - Freelance - Remote

(2025-11 - 2026-01)

• Developed REST APIs for user management, authentication, wallet transactions, and investment tracking workflows.
• Implemented JWT authentication and RBAC for secure API access and session management.
• Implemented transaction validation, balance verification, and structured error handling for financial workflows.
• Integrated backend APIs with React frontend modules and implemented API validation and error handling.
• Containerized and deployed backend services using Docker, Linux, and Nginx.

B.Tech - Computer Science & Engineering with specialization in IT - Guru Jambeshwar University of Science and Technology, Hisar (2026)