Abderrahmane Osmani

Full-stack developer with over 4 years of experience specializing in backend technologies (NestJS, ExpressJS). Proven track record of improving system performance, refactoring legacy code, and building scalable applications. Open to relocation and passionate about solving complex engineering challenges.

Tech Stack

🧑‍💻 Here's a breakdown of the technologies I'm most comfortable with and those I'm actively exploring.

icon react nestjs nodejs express mongodb mysql

Experiences

📌 Here's a quick look at my professional journey — building scalable backends, full-stack apps, and automated workflows across startups and tech teams.

🛠️ Code213 — Backend Developer

🌍 Hybrid | 📅 Dec 2024 – May 2025

  • Refactored legacy code into modular NestJS microservices, boosting scalability and reducing deployment time by 25%.
  • Designed webhook endpoints syncing with 5+ external platforms, reducing manual errors by 90%.
  • Improved REST API performance by 40% with indexing and caching for 50K+ monthly requests.

Kepler Technologies — Full Stack Developer

🏠 Remote | 📅 Oct 2022 – Mar 2024

  • Built a React/Redux web app for video resumes using FFmpeg and AWS S3.
  • Collaborated in a 6-member Agile team to launch MVP 2 weeks early, serving 5K+ users.
  • Developed NestJS backend for XML-based timesheet automation, cutting manual input by 70%.

IFD — Backend Developer

📍 On-site, Oran | 📅 Dec 2020 – Mar 2022

  • Created Node.js, Express, MySQL backend for 500+ users in training institutions.
  • Dockerized CRM and deployed to AWS EC2, achieving 99.9% uptime.
  • Migrated legacy data from Google Cloud VM to AWS, reducing infrastructure costs by 20%.

Soummam Computer System — Odoo Developer

📍 On-site, Oran | 📅 Sep 2019 – Oct 2020

  • Built a custom Odoo module for inventory tracking in furniture manufacturing.
  • Increased stock accuracy by 30% and reduced manual inventory time by 25%.
  • Wrote documentation and user guides for client training and onboarding.

🚀 Projects

🧩 A few personal and professional projects that demonstrate my skills in full-stack development, UI design, and problem solving.

Pomodoro

Tech Stack: Next.js, React, CSS, LocalStorage

  • Created a time management web app based on the Pomodoro Technique.
  • Enables users to schedule focused 25-minute work intervals with customizable breaks.
  • 🌐 Live demo

Learn English Kids

Tech Stack: Nuxt.js, Vue, JavaScript, CSS

  • Developed an interactive English-learning app for kids to practice sentence construction.
  • Emphasized gamification to boost engagement and retention.
  • 🌐 Live demo
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