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.
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.
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.
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
2025 · Present
Senior Software Engineer
Hermès
Driving the evolution, stability and feature roadmap of Hermès’ global e-commerce platform — ensuring high availability, performance and scalability in a fast-paced retail context.
Technical Stack:
NestJS, Node.js, Microservice, Kafka, PostgreSQL, React, Vitest, Okta
2023 · 2025
Senior Software Engineering
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
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
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
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
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
2013 · 2014
Software Developer
Cogitar
Developed and maintained a desktop and web application for carpet delivery management.
Technical Stack:
SQL Server, WPF, ASP.NET