Freelancer profile translated to English.

Description

Senior fullstack JavaScript developer (10+ years), I support product teams in the design and development of complex, scalable, and user-experience-oriented web and mobile applications.

I primarily work on technically demanding products (SaaS, business applications, real-time tools, interactive platforms), from conception to production.

Areas of intervention

Web and mobile application development (React, React Native)
Frontend and backend architecture design and evolution
Creation of scalable SaaS products and MVPs
Modernization and refactoring of existing systems
Node.js API development and PostgreSQL database integration
Setting up CI/CD pipelines and mobile deployment (iOS / Android)

Recent experiences

Customer journey and engagement management SaaS platform (React / Node)
Internal business tools and operational control applications (React / Electron)
Interactive mobile applications with event-driven and real-time logic
Modernization of legacy applications to modern web architectures (PWA / React)

Key skills

Frontend: React, React Native, TypeScript, performance, frontend architecture

Backend: Node.js, API design, PostgreSQL, scalable architecture

Product: MVP design, technical UX, user journey optimization

Delivery: CI/CD, iOS / Android publication, quality and maintenance

I work both as technical support for product teams and as a lead on end-to-end fullstack projects, with an approach focused on impact, simplicity, and robustness.

Industry field of expertise

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Oodrive
React/React-Native Developer
SOFTWARE PUBLISHING
September 2022 - August 2025 (2 years and 11 months)
Development and maintenance of several Angular and React web applications and a native application with React-Native
React.js React Native Node.js
Le Monde
JavaScript Developer
DIGITAL AND IT
August 2021 - August 2022 (1 year)
Fullstack JavaScript development within the Sirius team for a web application for journalists
Node.js React.js GraphQL PostgreSQL Elasticsearch
Novaway
Lead Front-end Developer
DIGITAL AND IT
January 2017 - July 2021 (4 years and 6 months)
Lyon, France
Lead Frontend Developer in a web agency, responsible for frontend architecture, complex web application development, and technical supervision of the front team.
JavaScript React.js React Native SEO Electron

Check out Stéphane's experience

Gwenaelle

CONVERGO-MOBILITY

Reviewed on 4/12/2022

Stéphane delivered very clean code on time that perfectly matched our expectations and the defined architecture. He was proactive in suggesting welcome improvements. We highly recommend his services to anyone looking for a front-end React expert who produces clean, optimized, and maintainable code. Stéphane's experience and UX input are also very valuable. You can count on him to help you find the right solution to your problem.