I will be backend developer for web app and API using nestjs, expressjs, and nodejs

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lewismariana402
L
lewismariana402
lewis

About this gig

Are you looking for a professional backend developer to create a fast, secure, and scalable backend for your web app or API?

You are in the right place!

I specialize in backend development using Node.js, NestJS, ExpressJS, and TypeScript to build reliable server-side applications, REST APIs, authentication systems, and database-driven platforms.

Whether you need a complete backend architecture or custom API endpoints, I will deliver clean, maintainable, and production-ready code.

What I Can Develop

  • RESTful APIs
  • Backend for Web Applications
  • Authentication & Authorization (JWT/OAuth)
  • CRUD Operations
  • Database Design & Integration
  • Admin Dashboards Backend
  • Payment Gateway Integration
  • API Integrations
  • File Upload Systems
  • Real-time Features with WebSockets
  • Secure & Scalable Architecture
  • Error Handling & Validation
  • API Documentation (Swagger/Postman)

Technologies I Use

  • Node.js
  • NestJS
  • ExpressJS
  • TypeScript
  • JavaScript
  • MongoDB
  • PostgreSQL
  • MySQL
  • Prisma ORM
  • Sequelize
  • JWT Authentication
  • Socket.io
  • Docker
  • Firebase
  • Redis

Why Choose Me?

  1. Clean and scalable code
  2. Fast delivery
  3. Secure backend architecture
  4. Professional communication
  5. API documentation included
  6. Responsive support
  7. 100% client satisfaction

Get to know lewis

lewis

Full Stack Developer AI and Automation Expert

  • FromUnited States
  • Member sinceMay 2026
  • Avg. response time3 hours
  • Languages

    English
I build modern websites, web apps, AI-powered platforms, automation tools, dashboards, APIs, and custom software solutions. Skilled in React, Next.js, Python, Node.js, Django, Laravel, JavaScript, Tailwind CSS, databases, and AI integrations. ✔ Clean & scalable code ✔ Responsive modern UI/UX ✔ Fast communication ✔ Performance-focused solutions ✔ Reliable support Passionate about turning ideas into powerful digital products that are fast, user-friendly, and built for real-world success.

Other Software Development Services I Offer