Projects

Mathieu Mousnier

React Native Expert - Fullstack Software Engineer

Toulouse, France

SUMMARY

With 10 years of experience in software development and several years in product management, I bring a unique blend of deep technical expertise and a strong product-oriented perspective

I have successfully built and delivered a diverse range of web and mobile applications using React and React Native, often contributing across the full stack.

As a proactive team member, I quickly identify priorities, take initiative, and drive projects forward to achieve impactful results.

EDUCATION

ENSEIRB Engineering School
Bordeaux - 2006

LANGUAGES

French: Mother Tongue
English: Fluent

SKILLS

TypescriptReact.jsReact NativeAWSNode.jsMysqlNoSQLCI/CDCSS

EXPERIENCE

OVH Cloud ◦ Senior React Developer

March 2025 - Today | OVH | Freelance

  • Working on the OVH Cloud Manager, a web application allowing users to manage their cloud resources.
  • The OVH Cloud Manager is a large application with multiple teams and 30+ developers working on different parts of the application using a micro front end architecture.
ReactTypescriptmicro front endReact QueryVitest

Izivia (Groupe EDF) ◦ Lead React Native Developer

March 2024 - December 2024 | Izivia | Freelance

  • Izivia manages thousands of charging stations for electric cars. Our team of 5 developers is building their new mobile application in React Native.
  • As the leader developer on React Native, my roles and objectives were:
    - Define, build and maintain a solid architecture for the application
    - Lead the team to produce code with the highest quality and maintainability
    - Ensure the best user experience with a focus on performance and UX
    - Grow the team's skills on React & React Native
React NativeReactExpoTypescriptZustandReact QueryJest

Full Stack Developer

Feb 2023 - Feb 2024 | Freelance

  • CV Manager: AI powered resume builder.
    TypescriptReactNext.jsTailwindMysqlOpenAI
  • Lumilink: Mobile lighting control application via Bluetooth.
    TypescriptReactReact NativeBLE
  • Museum CRM: CRM built for Les Abattoirs museum.
    TypescriptReactNext.jsTailwindMysql
  • Pepa: eCommerce website (Shopify) with product import interface (Next.js).
    TypescriptReactNext.jsTailwindMysqlShopifyGraphQL

Stack Labs ◦ Full Stack Developer → Lead Full Stack Developer

May 2021 - Jan 2023 | Stack Labs | Freelance

  • Joey is an iOS and Android mobile application developed in React Native. It controls a water analyzer and a connected relay via Bluetooth.
    With a team of 3, we developed the mobile application and the AWS backend, I took the lead of the team after 6 months when the members changed for more junior developers.
    Front & Back deployments fully managed with Gitlab CI/CD.
    Around 80% test coverage, on front and back, written with Jest.
React NativeReactRedux TKNode.jsTypescriptAWSDynamoDbBLECI/CDJest

EXPERIENCE

Bergamot ◦ Creator & Full Stack Developer

January 2020 - Present | Founder

  • Bergamot is a personnal project I worked on to start on the React/Node/Typescript stack. It is a mobile React Native app and a React web app.
    8 months full-time, then managed on free time. 15000 users. 4.6 and 4.8 on stores. https://www.bergamot.app/
React NativeReactTypescriptExpressNode.jsMysql

Full Stack Developer

Nov 2020 - Apr 2021 | Freelance

  • Coming back to development, I started with small contracts on PHP websites to warm up my skills while developping Bergamot.
  • Département Féminin: Creation of a complete eCommerce solution with Prestashop.
  • Printemps de Septembre Festival: Website modernisation and new functionalities
PrestashopPHPJavascriptMySQL

Cozy Cloud ◦ Product Manager

Oct 2018 - Oct 2019

  • Coordination of a development team using agile Scrum methods.
  • Product strategy, roadmap definition, prioritization, specifications.

De Particulier à Particulier ◦ Product Manager

Mar 2014 - Sept 2018

  • In charge of PAP and PAPVacances products • Web & Mobile.
  • Coordination of a development team using agile methods.
  • Strategic orientation of products and definition of the roadmaps and marketing plans.

De Particulier à Particulier ◦ Full Stack Developer → Lead Full Stack Developer

Jan 2010 - Feb 2014

  • Lead teams of 3 developers.
  • Scope: PAP.fr (8M visits/mth), PAPVacances.fr (2M visits/mth), Immoneuf.fr (2M visits/mth)
PHPSymfonyJavascriptJqueryMySQLCSS

Parrot ◦ Embedded Software Developer

Feb 2007 - Dec 2009

  • Embedded software development in C on bluetooth audio speakers or bluetooth electronic modules for automotive applications
CC++Bluetooth