Work & CV

Senior mobile & full-stack engineer with 10+ years taking products from greenfield to production. Core expertise in React Native and TypeScript, working at the system level — architecture, CI/CD, design systems, and growing the team around me.

Open to Staff / Lead Mobile Engineer roles, founding-engineer positions, and freelance contracts. Based in Lyon, France · relocating to the Geneva / Lausanne area Q1 2027 · EU citizen.

Experience

Several roles below ran through WeDoProduct, a holding I co-founded with fellow freelancers — we won contracts collectively and I held full technical ownership of the work.

1. 

   Lead Mobile Engineer · Tennaxia

   Dec 2024 — Present

   Full-time · Lyon, France

   • Owned the mobile platform from day 0: a React Native + Expo app integrating Trackdéchets (French government waste-tracing, beta.gouv.fr), shipped from zero to paid beta in under a year
   • Designed the offline-first data layer, a custom design system, and a Turborepo monorepo shared across mobile + web — the team scaled from 1 to 3.5 engineers without regressions
   • Co-led a company-wide Auth0 migration affecting all products; drove OpenAPI spec adoption on a backend with no prior contract
   • Leading AI-assisted-development adoption across the engineering org: building custom Claude Code skills and harnesses that codify our architecture and conventions, so the whole team ships faster with consistent quality

   • React Native
   • Expo
   • React
   • TypeScript
   • TanStack Query
   • Tailwind CSS
   • Auth0
   • REST
   • Turborepo
   • Claude Code
2. 

   Lead Mobile Engineer · C+NET · WeDoProduct

   May 2022 — Apr 2026

   Freelance · France (remote)

   • Sole engineer for four years on an Android field app for waste-management agents in low-connectivity environments — built offline-first sync, QR-code data exchange, and MDM/EMM fleet management from scratch
   • Delivered continuous feature development over four years while maintaining zero critical production incidents

   • React Native
   • Expo
   • TypeScript
   • GraphQL
3. 

   Mobile Engineer · CVDesignR · WeDoProduct

   Jan 2024 — May 2024

   Freelance · France (remote)

   • Built TalentPicker (a recruiter mobile app) from scratch in five months: auth, webview navigation, push notifications and deep links via Brevo
   • Set up an EAS-based CI/CD pipeline with OTA updates and automated App Store / Google Play submissions

   • React Native
   • Expo
   • TypeScript
4. 

   Senior Mobile Engineer · Hivebrite · WeDoProduct

   Jun 2020 — Jul 2023

   Freelance · France (remote)

   • Designed an App Factory — tooling that automated generation, white-labeling, and store submission of React Native apps for 50+ clients (alumni networks, nonprofits)
   • Developed a real-time chat module in React Native (mobile + web) with Sendbird; built a Go push-notification service deployed on Kubernetes
   • Negotiated and structured the commercial engagement: fixed-price phase 1 → time-and-materials for scale

   • React Native
   • TypeScript
   • Go
   • Redis
   • Docker
   • Kubernetes
   • Sendbird
   • GitHub Actions
5. 

   Mobile Engineer · WELO · WeDoProduct

   Oct 2021 — Jun 2023

   Freelance · France (remote)

   • Shipped a cross-platform (iOS / Android / Web) property-management app and mentored a junior developer

   • React Native
   • Expo
   • TypeScript
6. 

   Senior Frontend Engineer · Mobi2Go

   Jun 2019 — Mar 2020

   Full-time · Wellington, New Zealand

   • Led the migration from a legacy frontend to React Hooks, React Router, and Next.js; rebuilt the marketing site and established frontend test coverage

   • React
   • Next.js
   • JavaScript
   • GitLab

Earlier experience

• Full Stack Engineer · beta.gouv.fr (Avril / France VAE) 2018–2019

  Built an MVP from scratch in Elixir / Phoenix; iterated with data-driven product management.

• Full Stack Engineer · Figaro Classifieds 2016–2018

  Built recruitment tooling (questionnaires, applicant tracking) from scratch; DevOps role during a major infra migration. React, AngularJS.

• Software Engineer · Alteca 2014–2015

  Client projects in the JVM ecosystem with JavaScript frontends.

Skills

Education

• 
  Diplôme d’ingénieur · Computer Science 2011–2014

  ≈ M.Sc. in Engineering

  Polytech Lyon

• 
  DUT · Computer Science 2009–2011

  ≈ 2-year Undergraduate Degree

  IUT Lyon 1