You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Morgan LerouxML

Morgan Leroux

Supermalter

Web Developer | React.js | Next.js | Typescript

€500/day
9 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Morgan

Web Developer React.js & Next.js – Building performant and scalable applications in Typescript

Looking to design amodern web applicationthat is fast and easy to scale? I help you transform your product needs into **performant and reliable interfaces**, thanks to solid expertise in **React.js**, **Next.js**, and **Typescript**.

I am afront-end web developer specializing in the React ecosystem**, with an approach focused on code quality and user experience. I work on **interface creation**, **setting up scalable front-end architectures**, and **integrating APIsin complex environments.

I have supported startups, scale-ups, and SMEs in the development of **SaaS platforms**, **high-traffic websites**, **interactive dashboards**, and **internal tools**. Each project is built around a solid technical foundation: **React.js for the interface**, **Next.js for rendering and SEO performance**, and **Typescript for code reliability and maintainability**.

My "turnkey" approach guarantees you astable**, **tested**, and **ready-to-deploydeliverable. The goal is not just to "make your app work," but to lay down a **clear, documented, and sustainable technical foundation**. You get readable, modular code, ready to evolve with your product.

On the stack side, I work withReact.js**, **Next.js**, **Typescript**, **Tailwind CSS**, **Zustand/Redux**, **Node.js**, **Nest.js**, **PostgreSQL**, **Docker**, and **Vercel**. For project management, I use an **agile and transparentmethod, with intermediate deliverables, code reviews, and regular demos.

If you need aReact.js / Next.js / Typescript web developercapable of quickly delivering arobust**, **optimized**, and **maintainablefront-end, let's discuss it. I will respond or propose a video call within 24 hours!
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Lyon (up to 50km), Bordeaux (up to 50km), Lille (up to 50km), Rennes (up to 50km)

Experience

  • Polyconseil
    Malt logoOn Malt
    Tech Lead - Front-end
    CONSULTING AND AUDITS
    February 2023 - June 2025 (2 years and 4 months)
    Puteaux, France
    → Mission Objective:
    Design and develop a React.js monorepo SPA for Canal+, with a stable and sustainable codebase, while coaching internal teams on best practices.

    → Achievements:

    Structuring a robust React.js / Typescript monorepo, ensuring code consistency, performance, and scalability of the inventory management CRM.

    Developing strategic features in Javascript / Tailwind, improving productivity and the perceived quality of the final product.

    Technical coaching and skills transfer on React.js and Next.js, enabling Canal+ teams to gain autonomy and efficiency.

    → Technical Stack:
    React.js, Next.js, Typescript, Javascript, Tailwind CSS, Monorepo
    Web Integration TailwindCSS Front-End Development Continuous Integration React.js
  • GROUPAMA SA
    Tech Lead - Front-end
    BANKING AND INSURANCE
    July 2020 - July 2022 (2 years)
    Nanterre, France
    → Mission Objective:
    Strengthen Groupama's digital presence through high-traffic websites and optimized sales funnels, combining performance, UX, and SEO.

    → Achievements:

    Development of performant and SEO-friendly React.js / Next.js / Vue.js interfaces, increasing visibility, conversion rates, and display speed.

    Implementation of a modular Design System in Typescript / Tailwind, ensuring visual consistency, maintainability, and time savings for teams.

    Optimization of high traffic management and sales funnels, improving stability, user journey fluidity, and perceived quality.

    → Technical Stack:
    React.js, Next.js, Vue.js, Typescript, Javascript, Tailwind CSS, SASS, BEM
    Typescript Next.js TailwindCSS React.js Vue.js
  • Jedy Formation
    Instructor in Front-end Technologies and Integration
    EDUCATION AND E-LEARNING
    January 2019 - Today (7 years and 6 months)
    Paris, France
    → Mission Objective:
    Provide training and technical support to students on Javascript and React.js technologies, in collaboration with Jedy Formation.

    → Achievements:

    Leading practical training sessions on React.js, Typescript, and Git, fostering skill development and learner autonomy.

    Sharing best development practices and modern tools, improving code quality and project productivity.

    Personalized follow-up of student projects, ensuring practical application and better understanding of technical challenges.

    → Technical Stack:
    React.js, Javascript, Typescript, Git, Training
    Training JavaScript React.js Git Typescript

Reviews

5.0

Out of 5 ratings

R

Robin

Polyconseil

Reviewed on 9/5/2024

It has been a pleasure working with Morgan and we will engage him again. He has a good appetite and good front-end skills with solid knowledge of design principles, which brings a lot of relevance to his development work. Furthermore, Morgan is very friendly and pleasant to interact with. Thank you Morgan
G

Goulnara

ORMEX

Reviewed on 11/9/2022

Very good cooperation with Morgan.

Recommendations

CV
Jeremy ServalJS
FG
+2
Cédric Valle and 4 other people have recommended Morgan

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Bachelor Web and Digital
    Institut de Création et Animation Numérique à Paris
    2016
    Spécialisation en Développement Web Symfony2, Javascript et intégration SASS. Poursuite en design web, motion design et UX.
  • DUT Multimedia and Internet Professions
    IUT Cherbourg Manche antenne de Saint-Lô
    2015
    Formations en développement web PHP, Javascript et intégration CSS. Créations d'infographie, webdesign et motion design. Configuration de réseaux et serveurs.

Skill set

Categories