MERN Stack and Node.js Developer with 2+ years of experience building RESTful APIs, microservices, and cloud-native applications across ERP, warehouse management, car rental, and field operations domains.
Nature Touch Nutrition (Studd Muffyn)
Dec 2025 – Present
Lead backend development of Karma, an in-house multi-channel commerce and ERP platform covering warehouse management, inventory, order processing, and dispatch. Built RESTful APIs, microservices, RTO management, advertising and channel performance dashboards, and reporting services using Node.js, Express.js, MongoDB, and PostgreSQL. Managed AWS infrastructure end to end, including EC2, S3, Docker deployments across Dev, UAT, and Production, Nginx, SSL, backups, monitoring, alerting, production issue resolution, and GitHub Actions CI/CD. Integrated Claude AI and OpenCV for inventory tracking, document and label verification, dispatch checks, and reporting. Optimized queries, aggregation pipelines, and indexes. Coordinated with warehouse, dispatch, marketing, accounts, and customer support teams; analyzed order, COD, RTO, courier, and channel sales data; and managed a small cross-functional team through task allocation, reviews, documentation, and SOPs.
Digital Engineering Excellence Programming
Jul 2025 – Dec 2025
Developed RESTful APIs and microservices for car rental and insurance platforms with a Flutter frontend, supporting many concurrent users. Built backend features, integrated third-party APIs and payment gateways, and focused on reliability, maintainability, PCI compliance, and data integrity in production.
eQuasar Solutions
Jan 2025 – Jun 2025
Developed 30+ RESTful APIs using the service-repository pattern with middleware validation. Implemented JWT-based role-based access control across client-facing applications. Optimized MongoDB aggregation pipelines and query indexes to improve database query performance.
Naresh i Technologies
Jan 2024 – Dec 2024
Completed full-stack training in Java, Spring Boot, ReactJS, and MySQL. Built practical projects including a Smart Contact Manager and Employee Management System. Mentored 30+ students during lab sessions, resolved 100+ technical queries, and helped troubleshoot project issues.
ISRO — Indian Space Research Organisation
Dec 2024 – Jan 2025 · Remote
Worked on geo-spatial data sharing protocols and secure data transmission within India's national space data infrastructure. Applied cybersecurity best practices to protect satellite and remote sensing datasets and contributed to internal security reviews and vulnerability mitigation.
Studd Muffyn
9 mos · Ludhiana, Punjab, India
Develop and maintain production-grade backend systems and REST APIs using Node.js, Express.js and PostgreSQL. Build and optimize ERP, e-commerce, inventory, warehouse and dispatch management systems, improving operational automation and data workflows. Integrate Shopify, Shiprocket and third-party APIs/webhooks to automate order, shipment and business workflows. Optimize PostgreSQL through partitioning, indexing, query optimization and database performance improvements. Deploy and manage production applications using AWS, Docker, Linux, Nginx and PM2, with CI/CD workflows across development, UAT and production environments. Develop AI-enabled solutions and automation using Python/FastAPI, OpenCV, OpenAI, Claude and n8n.
Digital Engineering Excellence Programming
6 mos · Sahibzada Ajit Singh Nagar, Punjab, India
Designed and developed scalable backend services and REST APIs using Node.js for production applications. Contributed to backend architecture, database design and high-performance systems for large-scale car rental and insurance platforms. Built and maintained microservices and APIs while improving application scalability, reliability and performance. Managed Docker-based deployments, Linux servers, CI/CD pipelines, API gateways, load balancing and third-party integrations.
eQuasar Solutions
6 mos · Ludhiana, Punjab, India
Developed 30+ RESTful APIs using a service-repository architecture, improving system efficiency and maintainability. Implemented JWT-based role-based access control (RBAC) and optimized MongoDB aggregation pipelines and indexes for better application security and database performance.
Indian Institute of Remote Sensing (IIRS), Indian Space Research Organization (ISRO)
2 mos
Gained hands-on experience in geospatial data sharing, secure data transmission and cybersecurity practices for spatial-data systems. Assisted with data protection analysis and security assessments for satellite and remote-sensing datasets.
Naresh i Technologies
3 mos
Naresh i Technologies
1 yr
Built Smart Contact Manager (Spring Boot, Thymeleaf, MySQL) and Employee Management System (ReactJS, Spring Boot), both deployed and used in training environments. Mentored 30+ students on Java, Spring Boot, SOLID principles, design patterns, and scalable software architecture, achieving a 90%+ placement rate among mentored students. Resolved 100+ technical queries and 15+ critical production stability issues, maintaining platform uptime for active learners.
Bachelor of Technology, Computer Science & Engineering
Sept 2020 – Dec 2024
CGPA: 7.51 / 10
AI-assisted warehouse and inventory management platform with real-time inventory tracking, barcode scan workflows, and FIFO enforcement. Independently deployed and maintained on AWS using Docker and GitHub Actions, including releases, monitoring, and production issue resolution. Stack: Python, FastAPI, ReactJS, PostgreSQL, Docker, Celery, AWS, GitHub Actions, Claude AI.
Multi-marketplace order, inventory, and dispatch platform integrating Shopify, Amazon, Flipkart, Meesho, Myntra, and JioMart. Added label eligibility checks, bulk label generation, dispatch batching, integrations with 8+ courier partners, tracking synchronization, role-based access, activity logging, auto-cancellation, held-SKU rules, and scheduled inventory and sales analyzers. Stack: Node.js, Express.js, PostgreSQL, ClickHouse, Redis, BullMQ, EJS, Tailwind, AWS S3, PM2.
Digital inspection platform with photo-based check-in/check-out, real-time damage reporting, and an AI inspection module, reducing rental disputes by over 60%. Stack: Node.js, Express.js, PostgreSQL, JWT, Google/Microsoft OAuth, Twilio.
AI mobile app that photographs handwritten challans, extracts line items via OCR, and sends one-tap WhatsApp bills. Offline-first with cloud sync. Stack: Flutter, Node.js, TypeScript, Google Gemini Vision, WhatsApp API.
Scheduling platform with availability management and public event booking. Stack: Node.js, Express.js, PostgreSQL, Sequelize, Google Calendar API, Zoom SDK, OAuth 2.0.
Marketplace for buying and selling VIP and numerology-based mobile numbers. Handled full setup, bug fixing, and AWS deployment using Python and AWS EC2.
Integrated Razorpay and Stripe across multiple client sites with secure checkout, webhook handling, and PCI-compliant server-side verification.
Architected and built Quantara, a production-ready AI-powered SaaS platform designed to help businesses automate lead generation, CRM workflows, AI-assisted communication, and sales operations through multiple AI providers. Developed a scalable multi-tenant backend using Node.js, Express.js, MongoDB, and AWS, with modular architecture supporting AI integrations, workflow automation, organization management, user roles, analytics dashboards, and secure API services. Implemented integrations with leading AI models including OpenAI, Claude, Gemini, and Grok, enabling intelligent document analysis, automated content generation, conversational AI, and business process automation. Built features such as authentication & authorization, subscription management, organization workspaces, AI routing, prompt management, CRM modules, analytics, and scalable REST APIs following production-grade software architecture
Built a scalable car rental SaaS platform with a live Android application available on Google Play Store. Designed and developed backend systems using Node.js and PostgreSQL, including booking workflows, vehicle inspection modules, customer management, and real-time reporting. Implemented secure REST APIs, authentication, and microservices architecture for high performance and scalability. Independently handled deployment, DevOps, and cloud infrastructure using AWS, DigitalOcean, and Azure. Managed Linux servers, Nginx configuration, SSL, domain setup, backups, and monitoring to ensure high availability. Integrated AI-powered inspection workflows and automated reporting features. 🔗 Live App: https://play.google.com/store/apps/details?id=com.autoproof24.app
Developed an AI-powered business management application for Gupta Spare Parts & Repair, built to digitize garage billing and streamline day-to-day operations for mechanics and service businesses. Built a Flutter-based cross-platform mobile application that uses Google Gemini AI for OCR and document understanding, allowing mechanics to photograph handwritten challans and automatically extract parts, quantities, and prices. Implemented an editable verification workflow so users can review and correct extracted data before generating digital bills. Developed backend services using Node.js, TypeScript, and Express.js, with API-key authentication, rate limiting, server-side validation, and secure handling of AI and database credentials. Implemented automated billing calculations, customer management, service history, business analytics, and cloud synchronization. Added an offline-first architecture with local data storage and background cloud synchronization, along with WhatsApp deep-link integration for sharing digital bills and customer communication. Key features: AI-powered OCR, handwritten challan extraction, human-in-the-loop verification, automated billing, offline-first workflow, customer/service management, business analytics, cloud backup/sync, and WhatsApp integration.