Hey, I'm Lotfi.

A senior full-stack developer based in Paris, passionate about building scalable and efficient web applications.

I can help you out with:

  • Full-stack development – Complete web solutions, frontend to backend.
  • Scalable architectures – Robust systems that grow with your needs.
  • Modern web design – Sleek, user-friendly, and responsive interfaces.
  • More tech expertise – APIs, performance, and best practices.
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Some of my writing

My Writings

Along with coding I also like to write about technology. Here are some of my recent posts.

Introduction to Using Generative AI Models: Create Your Own Chatbot 🤖💬

This article explains how to create an interactive chatbot using OpenAI’s API, Langchain, and Streamlit.

Posted on Oct 08th, 2024

Three in one (code first) : NestJs & GraphQl & Mongoose

Build a solid architecture to create a GraphQL API with NestJs and Mongoose with one definition of data model to generate the GraphQL schema, the MongoDB collection schemas as well as the classes used by NestJs.

Posted on Jan 05th, 2021

About me

Experience

With over 10 years of experience, I specialize in JavaScript and TypeScript while staying on top of the latest trends and modern frameworks. I’ve worked across various industries, including fintech, edtech, and enterprise services, delivering scalable and robust applications. Beyond frameworks like React, Angular, and Node.js, I actively use cutting-edge tools and architectures, including Docker, Kubernetes, and cloud platforms like Azure and AWS. Agile environments are where I thrive, focusing on collaboration, clean code, and creating impactful user experiences.

Experience

Sfeir

2023 · Present

Senior Full Stack Developer Consultant

Sfeir

Developed and led the integration of two applications into a unified user experience.


Technical Stack:

Angular, Google Maps Platform, GraphQL, TypeScript, Node.js, Azure Functions (serverless), CosmosDB, Jest, Microsoft Azure, Okta

Epsor

2021 · 2023

Senior Full Stack Developer

Epsor

Worked in an agile (Scrum) team to develop, maintain, and enhance a web application for enterprise savings management. Leveraged a microservices architecture with event sourcing.


Technical Stack:

React, Node.js, Go, GraphQL, TypeScript, Apache Kafka, Kubernetes, MongoDB, Jest, Cypress, AWS, Docker

Saint Gobain

2020 · 2021

Lead Developer

Saint Gobain

Led the design, development, and technical supervision of a B2B/B2C appointment booking application using serverless architecture.


Technical Stack:

Angular, Google Maps Platform, GraphQL, TypeScript, Node.js, Azure Functions (serverless), CosmosDB, Jest

Axa

2018 · 2020

Full Stack Developer

Axa

Developed a full-stack web application for budget planning and management. Also redesigned the frontend of an electronic document management system.


Technical Stack:

React, Redux, Node.js, SQL Server, Express.js, OpenAPI, Swagger, Reactstrap, Jest

KTM Advance

2015 · 2018

Full Stack Developer (Serious Games)

KTM Advance

Developed decision-making Serious Games for vaccine production. Designed and developed engines and tools for Serious Games and eLearning.


Technical Stack:

Unity3D, Angular, ActionScript, Node.js

Cogitar

2013 · 2014

Software Developer

Cogitar

Developed and maintained a desktop and web application for carpet delivery management.


Technical Stack:

SQL Server, WPF, ASP.NET