NEMAMCHA Oussama — Software Engineer & Backend Architect
Software Engineer & Backend Architect
  • Shipped solutions
  • Khamsat rating
  • ESI5th year SE

Hello World

I'm Oussama — a fifth-year Software Engineering student at ESI who ships production systems for international clients. I build scalable backend architectures and the cloud infrastructure that keeps them fast, secure and online.

Production web solutions delivered
Client rating on Khamsat
Countries served (USA, DE, KSA, SY, JO, SD, DZ)
Uptime on critical deployments

Node.js · NestJS · Go · PostgreSQL · Redis · Docker · AWS. Trilingual: Arabic, English, French.

ESI ’22 → NOW
Arsenal — technical skills and stack

Languages

  • JavaScript
  • TypeScript
  • Go
  • C
  • Python

Backend

  • Node.js
  • Express.js
  • NestJS
  • REST APIs
  • GraphQL
  • WebSocket
  • Webhooks

Frontend

  • React
  • Next.js
  • Tailwind CSS
  • HTML
  • CSS

Data & ORMs

  • PostgreSQL
  • MySQL
  • MongoDB
  • Prisma
  • TypeORM
  • Supabase
  • Firebase

Scale & Messaging

  • Redis
  • RabbitMQ
  • Kafka

Cloud & DevOps

  • AWS
  • Docker
  • DigitalOcean
  • Cloudflare
  • GitHub Actions
  • Jenkins
  • PM2

Security

  • OWASP API Top 10
  • JWT
  • OAuth2
  • RBAC

Tooling

  • Git
  • GitHub
  • Jest
  • Postman
  • Copilot
  • Claude AI
SELECTED WORKS — full-stack and backend projects
REAL-TIME OPSUSA

National Repossession Platform

Full-stack platform managing vehicles, owners and field agents behind secure REST APIs, with live dispatch and admin dashboards.

  • Real-time notifications and messaging over Socket.io
  • RBAC, JWT and API security best practices end to end
  • Next.js
  • Express
  • MongoDB
  • Socket.io
HOURS → 10 MINGermany

Party-Time Reservations

Event reservation platform with Stripe and SumUp payments, webhook-driven transaction processing and QR check-in.

  • Email + WhatsApp notifications and automated analytics reporting
  • CI/CD on AWS cut deployments from hours to 10 minutes
  • React
  • Supabase
  • Stripe
  • AWS
−15% DISTANCESaudi Arabia

ATMs Route Optimization

Route optimization platform for cash-in-transit fleets, built on a Python + ORS microservice behind a Next.js control panel.

  • Custom routing engine cut average route distance by 15%
  • Dockerised on AWS, holding 99.5% uptime for critical operations
  • Next.js
  • Node.js
  • Python
  • Docker
10GB+ FILESSaudi Arabia

Secure File Transfer

WeTransfer-style platform streaming 10GB+ transfers with access control, secure storage and usage dashboards.

  • Streaming backend built for large-file throughput
  • Deployed on DigitalOcean VPS under PM2
  • Node.js
  • PostgreSQL
  • DigitalOcean
  • PM2
HISTORY — work experience and education
  1. JUNE 2024 - PRESENTNOW

    Freelance Software Engineer

    Remote — international clients

    Delivering production web solutions for clients across the USA, Germany, Saudi Arabia, Syria, Jordan, Sudan and Algeria, with a 5-star rating on Khamsat. Migrating monolithic apps to scalable Node.js / NestJS architectures with Docker.

  2. 2025

    Software Engineering Intern

    Algérie Télécom — Full-Stack Developer

    Built a centralized Complaint Management System with NestJS and React, automated the reporting workflows around it and optimized the database schema behind them.

  3. 2022 - PRESENT

    Software Engineering Degree

    National Higher School of Computer Science (ESI), Algeria

    Fifth year. Arabic (native), English and French (professional).

PDFNemamcha
OussamaSoftware Engineer
Take the CV — download my resume as a PDF

The full version: every role, every project, the whole stack. One page, no signup, straight to your downloads folder.

  • PDF
  • 1 PAGE
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  • UPDATED 2026
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Get In Touch

Available for freelance backend and full-stack work. Tell me what you're building — I usually reply within a day.