Ghassen Mansouri

Full-Stack JavaScript Engineer

| LinkedIn

About

Highly accomplished Full-Stack JavaScript Engineer with over 4 years of experience delivering robust and scalable web solutions. Proven expertise in developing high-performance back-end services with Node.js and Express, building dynamic front-ends with React.js and Next.js, and implementing efficient CI/CD pipelines. Adept at optimizing system performance, managing complex databases (MongoDB, PostgreSQL), and leveraging modern architectural patterns to drive significant improvements in data processing, user experience, and operational efficiency.

Work Experience

Full-Stack Engineer

Quantech Solution Partners

Apr 2023 - Mar 2025

Engineered and optimized full-stack solutions for an analytical web platform, focusing on performance, scalability, and automated workflows.

  • Collaborated with quantitative developers to build an analytical web platform using NestJS, NextJS, and PostgreSQL, enabling advanced data analysis and visualization.
  • Engineered and optimized RESTful endpoints with OpenAPI documentation and advanced caching, significantly improving API performance and integrating third-party services.
  • Implemented robust CI/CD pipelines with Docker Compose and GitHub Actions for multi-service deployments, leveraging Portainer to streamline release management and reduce deployment times by an estimated 30%.
  • Developed a high-performance backtesting engine utilizing WebSocket and Redis for real-time data transmission, processing large datasets efficiently.
  • Automated reporting workflows by developing a streamlined system with React.js, Plotly, and Puppeteer, replacing manual processes and enhancing data visualization accuracy.

Full-Stack Engineer

NOMADZ

Sep 2021 - Mar 2023

Developed interactive web applications and optimized backend services to enhance user experience and data efficiency for real estate investors.

  • Engineered interactive React.js dashboards, empowering real estate investors with dynamic, data-driven insights for improved investment decision-making.
  • Optimized back-end services with Node.js and Express, achieving a 25% reduction in API response times and significantly improving data retrieval efficiency.
  • Implemented a scalable and secure MongoDB database, ensuring rapid and reliable access to critical property and investment records, supporting informed decision-making for a growing user base.
  • Streamlined data flow and enhanced real-time property analysis through efficient Redux state management, resulting in a more responsive and intuitive user experience.
  • Implemented Docker for containerized deployment and integrated GitLab CI/CD, accelerating deployment cycles and ensuring continuous delivery of features.

Education

Software Engineering

The Private Higher School of Engineering and Technology (ESPRIT)

Sep 2018 - Jun 2021

Computer Systems and Software

Higher Institute of Computer Science (ISI)

Sep 2015 - Jun 2018

Projects

LiveShop

Jan 2023 - Jun 2023

Architected and deployed a live-streaming e-commerce platform featuring real-time product demos and interactive shopping, leveraging a modern microservices architecture.

SweetHome

Jan 2022 - Jun 2022

Developed a robust ReactJS application, powered by a Node.js/Express back-end, to consume and process data from the BookingSync API.

Languages

English (Fluent) , French (Proficient) , Arabic (Native)

Skills

Back-End Development

  • Node.js
  • Express.js
  • NestJS
  • Flask
  • WebSocket
  • Redis
  • Socket.IO
  • Python

Front-End Development

  • React.js
  • Next.js
  • TypeScript
  • JavaScript
  • Tailwind CSS
  • Redux
  • Zustand
  • React Query
  • HTML
  • MUI

Database Management

  • MongoDB
  • PostgreSQL

DevOps & Tools

  • Docker
  • GitHub Actions
  • GitLab CI/CD
  • Portainer
  • Puppeteer