REST API for Your Web App (Node + Express + MongoDB)

Starting at

$

350

About this service

Summary

Looking for a developer who can build a reliable and secure backend for your web or mobile app? You're in the right place!
I specialize in creating custom RESTful APIs using the MERN stack backend (MongoDB, Express, Node.js). Whether you need user authentication, CRUD functionality, or complex data handling — I deliver clean, well-structured code that's easy to scale.
✅ Key Features:
Fully documented REST APIs
Authentication & Authorization (JWT or OAuth)
MongoDB/Mongoose schema modeling
CRUD operations for any resource
Error handling and input validation
Clean and modular folder structure
Integration-ready endpoints for front-end or mobile apps
Optional Swagger/Postman API docs
Perfect for: ✔️ SaaS apps ✔️ E-commerce backends ✔️ Admin dashboards ✔️ Mobile app APIs (React Native, Flutter) ✔️ MVPs & startup projects
Let’s build a backend you can rely on. 🔐⚙️

Process

Initial Consultation – Discuss your exact backend/API needs
Planning & Database Design – Define collections, schema, and routes
API Development – Build, test, and secure endpoints
Integration Support – Assist with connecting APIs to your frontend
Deployment (Optional) – Host on Render, Railway, or your preferred platform
Final Delivery – Complete source code + documentation
Post-Delivery Support – 14-day support for minor fixes

FAQs

  • Can I use these APIs for a mobile app frontend?

    Yes, the APIs are designed to work with mobile and web apps seamlessly.

  • What kind of authentication do you provide?

    JWT-based login/auth system with optional role-based access control.

What's included

  • API Endpoints

    Well-structured and tested RESTful API endpoints (GET, POST, PUT, DELETE) for your required resources, ready to integrate with frontend or mobile apps.

  • Authentication System

    JWT-based user authentication system including signup, login, token generation, and protected routes.

  • MongoDB Integration

    Complete MongoDB database setup with Mongoose schema models for all resources, connected and fully functional.

  • Error Handling & Validation

    Standardized error responses and input validation using middleware to ensure API stability and security.

  • Source Code & Folder Structure

    Clean and modular source code with separate routes, controllers, models, and middlewares — delivered via GitHub or ZIP.

  • Deployment Instructions or Hosting

    Either deploy the API to a hosting platform (like Render or Railway) or provide detailed deployment instructions.

  • Post-Delivery Support (14 Days)

    Up to 14 days of bug-fix support after delivery to help you launch or integrate your API smoothly.


Duration

2 weeks

Skills and tools

Backend Engineer

Web Developer

ExpressJS

ExpressJS

MongoDB

MongoDB

Node.js

Node.js

Industries

Computer Software