Full-Stack Web App Development | React, Node.js, NestJS, MongoDBM J
I build scalable, end-to-end web applications using modern full-stack technologies including React, Node.js, NestJS, and MongoDB. From frontend design to backend logic and secure deployment, I deliver production-ready platforms optimized for performance, flexibility, and growth.
What's included
Full-Stack Application Architecture
A complete client-server setup with modular code, environment configs, and scalable structure using React (frontend) and NestJS (backend).
Responsive UI with React
Pixel-perfect, mobile-first UI with reusable components, styled with Tailwind, styled-components, or MUI — tested across all screen sizes.
REST or GraphQL APIs
Secure and scalable APIs using NestJS, built with controller-service-repository pattern. Includes validation, guards, and error handling.
MongoDB Database Design & Integration
Schema-first modeling using Mongoose or TypeORM with optimized relations, validation, and indexing for performance.
Authentication & Authorization
JWT or OAuth-based login system with role-based access control, password hashing, and secure refresh token workflows.
Real-Time Features (Optional)
Integration of WebSocket or Socket.io-based real-time updates for chats, notifications, or live dashboards.
Admin or Super Admin Panel (Optional)
Custom-built admin dashboard with CRUD features, filters, analytics, and audit trails — secure and scalable.
Deployment-Ready Setup
Production-ready Dockerized setup or CI/CD pipeline with environment configs for AWS, Vercel, or your preferred cloud provider.
Testing Suite (Frontend + Backend)
Automated tests using Jest, Playwright or Supertest to ensure stability and avoid regressions.
Documentation & Post-Delivery Support
README, API documentation (Swagger/Postman), and optional walkthrough session after delivery. Support available for tweaks and handoff.
FAQs
I’ve built SaaS platforms, booking systems, CRMs, dashboards, e-learning apps, and healthcare systems — from startup MVPs to enterprise tools.
Not required. I can work from wireframes, references, or Figma files—or build the UI based on your idea.
Yes. Every app is built mobile-first and tested across devices.
Absolutely — Stripe, Firebase, Twilio, SendGrid, PayPal, Google APIs, and more.
I’ll guide and set up deployment for your preferred platform — AWS, Vercel, DigitalOcean, GCP, or others.
Yes. I write backend and frontend tests using Jest, Playwright, or Supertest based on project size.
Yes. I can containerize the project and set up automated builds/deployments via GitHub Actions or GitLab CI/CD.
If SEO is a requirement, I’ll implement SSR with Next.js or server-side rendering techniques to improve visibility.
Definitely. I offer hourly or retainer-based support for ongoing updates or scaling needs.
Yes — 100%. You’ll receive the complete source code, documentation, and deployment access.
Starting at$25 /hr
Tags
MongoDB
NestJS
Next.js
Node.js
React
Backend Engineer
Frontend Engineer
Fullstack Engineer
Service provided by
M J Sri Jayawardenepura Kotte, Sri Lanka
- 4
- Followers
Full-Stack Web App Development | React, Node.js, NestJS, MongoDBM J
Starting at$25 /hr
Tags
MongoDB
NestJS
Next.js
Node.js
React
Backend Engineer
Frontend Engineer
Fullstack Engineer
I build scalable, end-to-end web applications using modern full-stack technologies including React, Node.js, NestJS, and MongoDB. From frontend design to backend logic and secure deployment, I deliver production-ready platforms optimized for performance, flexibility, and growth.
What's included
Full-Stack Application Architecture
A complete client-server setup with modular code, environment configs, and scalable structure using React (frontend) and NestJS (backend).
Responsive UI with React
Pixel-perfect, mobile-first UI with reusable components, styled with Tailwind, styled-components, or MUI — tested across all screen sizes.
REST or GraphQL APIs
Secure and scalable APIs using NestJS, built with controller-service-repository pattern. Includes validation, guards, and error handling.
MongoDB Database Design & Integration
Schema-first modeling using Mongoose or TypeORM with optimized relations, validation, and indexing for performance.
Authentication & Authorization
JWT or OAuth-based login system with role-based access control, password hashing, and secure refresh token workflows.
Real-Time Features (Optional)
Integration of WebSocket or Socket.io-based real-time updates for chats, notifications, or live dashboards.
Admin or Super Admin Panel (Optional)
Custom-built admin dashboard with CRUD features, filters, analytics, and audit trails — secure and scalable.
Deployment-Ready Setup
Production-ready Dockerized setup or CI/CD pipeline with environment configs for AWS, Vercel, or your preferred cloud provider.
Testing Suite (Frontend + Backend)
Automated tests using Jest, Playwright or Supertest to ensure stability and avoid regressions.
Documentation & Post-Delivery Support
README, API documentation (Swagger/Postman), and optional walkthrough session after delivery. Support available for tweaks and handoff.
FAQs
I’ve built SaaS platforms, booking systems, CRMs, dashboards, e-learning apps, and healthcare systems — from startup MVPs to enterprise tools.
Not required. I can work from wireframes, references, or Figma files—or build the UI based on your idea.
Yes. Every app is built mobile-first and tested across devices.
Absolutely — Stripe, Firebase, Twilio, SendGrid, PayPal, Google APIs, and more.
I’ll guide and set up deployment for your preferred platform — AWS, Vercel, DigitalOcean, GCP, or others.
Yes. I write backend and frontend tests using Jest, Playwright, or Supertest based on project size.
Yes. I can containerize the project and set up automated builds/deployments via GitHub Actions or GitLab CI/CD.
If SEO is a requirement, I’ll implement SSR with Next.js or server-side rendering techniques to improve visibility.
Definitely. I offer hourly or retainer-based support for ongoing updates or scaling needs.
Yes — 100%. You’ll receive the complete source code, documentation, and deployment access.
$25 /hr