Backend & DevOps Engineer

Awab Ali Mustafa

I build secure, high-performance APIs and scalable backend systems. Specializing in Node.js, C#, and PHP — from architecture to deployment.

Get in touch View my work Resume

About

Backend-focused Software Engineer with hands-on experience building secure, high-performance APIs using Node.js, C#, and PHP.

I specialize in designing authentication systems, optimizing database queries, and improving application performance in production environments. With a strong background in desktop application development and a founder-level mindset, I take end-to-end ownership of software solutions.

My experience includes developing supporting interfaces with HTML, CSS, and JavaScript, ensuring seamless integration between frontend and backend layers.

15,000+ User Transactions

4+ Years Experience

£19K+ Revenue Generated

Experience

Jan 2026 — Present Dubai, UAE · Remote

Co-Founder & Backend / DevOps Engineer

Zameel — zameel.co

Architected and deployed a production-ready multi-tenant SaaS platform enabling Gulf merchants to accept AI-powered WhatsApp orders
Designed scalable Node.js (Express) backend using Sequelize ORM + MySQL 8, improving database query performance by 32% through schema optimization
Built LLM-powered order parsing engine (Gemini API / DeepSeek / Claude) achieving 87% structured order extraction accuracy across Arabic/English messages
Implemented Redis caching layer reducing external AI API calls by 48% and improving response time by 35%
Led full migration from Tap Payments to Stripe, rebuilding checkout sessions, webhook validation, subscription billing, and payment flows; increased transaction completion rate by 17%
Containerized services using Docker + Docker Compose, reducing deployment time by 55% and minimizing configuration incidents by 60%
Implemented JWT-based authentication, RBAC authorization, and strict tenant data isolation
Reduced manual merchant order handling workload by 41% via conversational automation

Jan 2024 — May 2024 Khartoum, Sudan

Backend Developer

IntelliSoft Technologies

Designed and implemented secure RESTful backend APIs for a high-traffic e-commerce platform, improving order processing performance by 15%
Developed and maintained user authentication and authorization mechanisms, including password hashing and multi-factor authentication
Optimized MySQL queries and applied caching strategies to improve system performance and scalability
Collaborated closely with frontend developers using HTML, CSS, and JavaScript to ensure seamless integration between frontend and backend layers
Conducted unit and integration testing to ensure code quality, reliability, and application stability

Jun 2020 — Mar 2023 Khartoum, Sudan

Founder & Head Developer

TedddbyActivator

Built and operated a backend-driven software platform serving 15,000+ user transactions, generating £19,848 in gross revenue and £17,478 in net sales
Designed and developed a C# desktop application to automate internal configuration and workflow processes
Built a web-based user portal with secure authentication and payment integration using Node.js, HTML, CSS, JavaScript, and MySQL
Developed and maintained RESTful backend APIs to handle business logic and mediate data exchange between the application and the database
Implemented a structured backend architecture with clear separation of concerns and secure data handling
Managed the project end-to-end, including system design, development, testing, deployment, and ongoing maintenance

May 2022 — Present Khartoum, Sudan

Bachelor of Information Technology

Sudan University of Science and Technology

Currently paused due to regional conflict
Focused on software engineering and backend development

Projects

TunnelFlow

Open-source, self-hosted localhost tunneling platform. Expose local ports instantly with a dashboard, CLI tool, traffic inspection, breakpoints, webhook simulation, and team support.

Node.js Next.js WebSocket Docker Stripe

hijri-utils

Lightweight, zero-dependency JavaScript library for Hijri (Islamic calendar) date conversions, formatting, and comparisons. Supports ESM & CommonJS.

JavaScript npm Zero-dep ESM/CJS

ClassMate

A web-based classroom management platform built with Node.js and Express. Features secure authentication, class scheduling, and video conferencing integration via VideoSDK.

Node.js Express VideoSDK Auth

Jambak

A modern platform for promoting volunteerism and community engagement. Allows users to browse, manage, and organize volunteering opportunities with ease.

Community Volunteering Responsive

MoodleQuizSolver

An intelligent quiz solver using Google's Gemini AI to answer Moodle quiz questions with real-time progress tracking. Features Puppeteer automation and Server-Sent Events.

Node.js Gemini AI Puppeteer SSE