10/18/2026 updated
AS
100 % available
Full Stack Developer (MERN) | React, Node.js, MongoDB, React Native
Noida, India
Only remote
B.Tech, Computer Science, United University, Prayagraj (CGPA: 8.2)MongoDBNode.jsNext.jsMernGoogle FirebaseBackendReact NativeFront End Software Development
Frontend Development
Expertise in React.js, Next.js, React Native (Expo), JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, NativeWind, Zustand and TanStack Query for building responsive and performant web and mobile interfaces.
Backend Development
Proficiency in Node.js, Express.js, FastAPI, Flask, REST APIs, Socket.IO (WebSockets), JWT Authentication, Firebase Authentication, BullMQ and MVC Architecture for scalable server-side solutions.
Database Management
Strong knowledge of MongoDB (Mongoose, Geospatial Indexing), PostgreSQL (Neon), Redis and SQL for designing and managing robust data storage systems.
Payment & Third-Party Integrations
Experience integrating payment gateways including Razorpay, Cashfree, Stripe and Clerk, as well as Cloudinary, Firebase Cloud Messaging (FCM) and other third-party services.
AI & Machine Learning
Hands-on experience with OpenAI API (GPT-4), Gemini API, Claude API and CNN models using TensorFlow and Keras for building AI-powered features and chatbots.
DevOps & Tools
Familiarity with Git, GitHub, Postman, Docker, PM2 and Render for version control, API testing, containerization and deployment workflows.
Real-Time Systems
Implementation of real-time features using Socket.IO for live GPS tracking, ambulance dispatch, 1:1 chat and SOS alert systems in production applications.
SEO & Web Performance
Knowledge of SEO best practices including metadata, Open Graph, JSON-LD, sitemap and robots configuration, as well as performance optimization through React Query auditing and lazy-loading.
Expertise in React.js, Next.js, React Native (Expo), JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, NativeWind, Zustand and TanStack Query for building responsive and performant web and mobile interfaces.
Backend Development
Proficiency in Node.js, Express.js, FastAPI, Flask, REST APIs, Socket.IO (WebSockets), JWT Authentication, Firebase Authentication, BullMQ and MVC Architecture for scalable server-side solutions.
Database Management
Strong knowledge of MongoDB (Mongoose, Geospatial Indexing), PostgreSQL (Neon), Redis and SQL for designing and managing robust data storage systems.
Payment & Third-Party Integrations
Experience integrating payment gateways including Razorpay, Cashfree, Stripe and Clerk, as well as Cloudinary, Firebase Cloud Messaging (FCM) and other third-party services.
AI & Machine Learning
Hands-on experience with OpenAI API (GPT-4), Gemini API, Claude API and CNN models using TensorFlow and Keras for building AI-powered features and chatbots.
DevOps & Tools
Familiarity with Git, GitHub, Postman, Docker, PM2 and Render for version control, API testing, containerization and deployment workflows.
Real-Time Systems
Implementation of real-time features using Socket.IO for live GPS tracking, ambulance dispatch, 1:1 chat and SOS alert systems in production applications.
SEO & Web Performance
Knowledge of SEO best practices including metadata, Open Graph, JSON-LD, sitemap and robots configuration, as well as performance optimization through React Query auditing and lazy-loading.
Experience
Professional experience0 - 5 years
Freelancer since2025
Languages
EnglishFluent
Project history
Built a student exam-day travel safety platform for JEE, NEET and CUET aspirants across a React student portal, an admin CRM and a native Android app on a shared Node.js backend. Developed mutual-match Travel and Study Buddies with swipe decks, real-time 1:1 chat, live trip tracking with SOS alerts, guardian dashboard and Firebase Cloud Messaging push notifications. Implemented shared exam shuttle booking with Cashfree payment checkout, a CRM layer with ticketing and grievance handling, a 4-step onboarding wizard and improved app performance by auditing 25 React Query hooks and migrating lists to FlashList.
Architected and built a healthcare super-app end to end including geo-based doctor discovery, emergency ambulance dispatch with live GPS tracking, at-home lab test booking for iOS and Android, scalable MVC REST backend with MongoDB geospatial indexes, Redis caching, PM2 clustering, BullMQ background jobs, real-time ambulance tracking with Socket.IO, multi-role JWT and Firebase authentication, Razorpay payment integration with doctor referral wallet, doctor and lab web dashboard with React and Tailwind, and a Next.js marketing site with SEO and Search Console verification.
Built a full-stack MERN doctor appointment platform with specialty-based doctor discovery, Razorpay-integrated appointment booking, an AskAI chatbot using the Claude API for symptom guidance and Cloudinary storage for patient medical reports.