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At a Glance

Key details about this service to help you decide. Generated by Zinn Hub, not the seller.

Stack & Deliverables

Node.js, Express.js & MongoDB
You receive complete source code, a Postman collection for API testing, an environment config file, and installation documentation — a well-rounded dev handoff for a focused backend task.

Turnaround

5-Day Delivery
A scoped backend task — such as a single REST API endpoint, CRUD setup, or JWT auth integration — can be in your hands within five days, keeping your project moving.

What to Prepare

Detailed Project Brief Required
The more specific your requirements — endpoint structure, data models, auth needs — the better scoped and faster the delivery. A clear brief gets you the most out of this taster.

Best For

Quick Wins & New Client Showcase
The seller is actively building their portfolio and open to new clients, making this a good moment to engage — you benefit from motivated, attentive work on a small, well-defined backend task.

Full Description

Need a reliable backend developer for your web application? I specialize in building secure, scalable, and maintainable backend solutions using Node.js, Express.js, and MongoDB. Whether you're starting a new project, upgrading an existing application, or fixing backend issues, I can deliver clean, efficient, and well-structured code tailored to your requirements.

My services include custom REST API development, CRUD operations, MongoDB database integration, JWT authentication and authorization, API testing with Postman, error handling, input validation, bug fixing, backend optimization, and code refactoring. I also provide API documentation and a setup guide to make deployment and maintenance straightforward.

Every project is thoroughly tested before delivery. You'll receive complete source code, a Postman collection for API testing, an example environment configuration file, and clear documentation for installation and usage. I prioritize code quality, security, performance, and maintainability to ensure your backend is reliable and easy to scale as your application grows.

Technologies I use: Node.js, Express.js, MongoDB, JavaScript (ES6+), Postman, Git, and GitHub.

I believe in clear communication, timely delivery, and providing solutions that match your business goals. Whether you need a simple API, authentication system, database integration, or a complete backend for your web application, I'm committed to delivering high-quality results with professional support throughout the project.

What you'll get
What the buyer gets (deliverables)
Node.js and Express.js backend source code
REST API endpoints based on your requirements (CRUD or custom APIs)
MongoDB database integration and schema setup
JWT authentication (if included in the selected package)
Input validation and centralized error handling
Postman collection for API testing (.json)
Environment configuration file (.env.example)
README file with installation and setup instructions (.md)
Clean, modular, and well-commented code
Bug fixes included according to the selected package
Revisions according to the selected package
File delivery in ZIP format containing all project files
Examples of this work
Final Year Project Evaluation System

A role-based web application built with Node.js, Express.js, MongoDB, and React.js to manage FYP submissions, supervision, evaluations, announcements, and project tracking for universities.

View example ↗
Why this is a Micro Zinn

A Micro Zinn is a small, fixed-price taster or micro service. afi_2003 is offering this one for:

Skills showcasePortfolio builderQuick small jobOpen to new clients

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I Will Deliver Node.js Backend Development Services — Available On Zinn Hub

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