Backend / Node.js Developer

Hi, I'm Abdelrahman El-Helbawy.

I design and build scalable backend systems, RESTful APIs, and robust architecture for modern web applications.

Based in Egypt , Minya Available for freelance & full-time
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1+ Years

Building production-grade backend systems

About Me

Behind the keyboard.

I develop backend systems for applications that ensure high performance, data security, and scalability as the number of users grows. I focus on building a stable technical architecture capable of handling large volumes of requests and data. Additionally, I provide an administrative dashboard that enables project owners to monitor users, analyze data, and manage the entire application efficiently and with ease.

Background

I've worked with teams across different time zones, designing and developing APIs, integrating external services, and shipping features that users rely on every day.

Highlights

  • Designed multi-tenant API platforms
  • Optimized slow queries and endpoints
  • Implemented CI/CD pipelines and monitoring
  • Collaborated closely with frontend & product teams

Skills

Technologies I work with.

A toolset focused on building reliable and maintainable backend systems.

Core Stack

JavaScript Node.js TypeScript Express NestJS REST APIs

Databases & Infra

PostgreSQL MongoDB MySQL Redis Docker
Node.js 90%
Nest.js 80%
API Design 88%
Databases 85%
System Design 82%

Projects

Things I've built.

A selection of backend-focused projects. Filter by focus area to explore.

VOXA – AI-Powered Virtual Characters Platform

Built VOXA, a real-time chat platform where users interact with AI-powered virtual characters. The platform supports unlimited messaging, subscription plans, and sharing chat links. It is designed to handle many users at once while maintaining fast performance and a stable system that can easily grow over time.

  • Node.js
  • Express
  • Redis
  • JWT

Bazaryo – E-commerce Platform API

Built Bazaryo, an online marketplace where users can browse products, save items, write reviews, and place orders. The platform also includes management tools for products and categories, and it is designed to handle growing numbers of users and transactions smoothly.

  • Node.js
  • Redis
  • MongoDB
  • Docker

CodeCollab – Real-Time Group Communication Platform

Developed a scalable real-time collaboration platform using Node.js, Express.js, and MongoDB. GroupSphere supports team-based communication with real-time chat, private messaging, group voice calls, and live code editing. Implemented encrypted messaging and Dockerized deployment to enhance security, reliability, and operational efficiency. Designed with a modular architecture to ensure scalability and maintainability.

  • Node.js
  • JavaScript
  • MongoDb
  • Socket.io

HireFlow – Recruitment Automation Backend Platform

Built a recruitment automation platform to manage jobs, candidates, and interviews with secure access and automated workflows. The system is reliable, fast, and designed to grow with the company’s needs.

  • Node.js
  • TypeScript
  • MonogDB

Restaurant Management System API

Built a Restaurant Management System to manage menus, orders, staff, and customers efficiently, with real-time order tracking and optimized billing. The system is reliable, scalable, and easy to maintain.

  • Node.js
  • Javascript
  • Express
  • MongoDB

Hotel API – Hotel Management System

Built a Hotel Management System to manage hotels, rooms, bookings, and payments efficiently, with support for multiple user roles and secure media and payment handling. The system is reliable, scalable, and easy to maintain.

  • Node.js
  • Javascript
  • Express
  • MongoDB

Services

What I do.

Backend Development

Design and implement robust backend services with clean, maintainable code and strong testing practices.

🔗

API Development

Build well-documented REST and GraphQL APIs that are secure, performant, and easy to consume.

🗄

Database Design

Model relational and non-relational databases, optimize queries, and ensure data integrity at scale.

🏗

System Architecture

Design system architectures, from monoliths to microservices, tailored to business and technical constraints.

Contact

Let's work together.

Have an interesting project or a role in mind? Drop me a message and I’ll get back to you within 24–48 hours.

Location Egypt, Minya (Remote-friendly)
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