// case studies
Products in production
Not slides, not side projects: four real engagements at market-leading companies, with the context, what I actually did, and what to take from it if you have a similar need.
TF1
Media & TV streaming
React Native Tech Lead & acting PO
Tech Lead of a 4-developer squad, one of three on the connected-screen division, on the TF1 app for connected TVs and operator set-top boxes, while also standing in as Product Owner.
42M monthly streamers on TF1+ on average in H1 2026, a record 44M in June
PMU
Horse-racing betting & gaming
React Native Lead Developer
Leading mobile development at Europe's horse-racing betting leader: technical excellence across two production apps, automated testing, CI/CD and modernization of the React Native codebase.
€10bn in annual stakes across all PMU betting (2022), including €9.16bn on horse racing
Zeturf
Online horse-racing betting
Mobile & web developer, Lead
Takeover and consolidation of a React Native betting app already in production, combining technical leadership, architecture decisions and building the development team.
€175M acquisition price paid by Française des Jeux for Zeturf in September 2023
PSA / Free2move
Automotive & mobility
Full-Stack Developer
Full-stack development of Free2move, PSA group's connected mobility app: parking, electric vehicle charging, tolls, on a serverless AWS architecture.
2M downloads of the Free2move app reached in 2019
A similar need?
30 minutes to look at your situation and tell you honestly how I would approach it, whether you work with me or not.