Engineering Portfolio

React Native case studies — from technically demanding products to agentic workflows.

Odisei Play
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React Native
Odisei Play
Odisei Play is a saxophone practice app that listens to you play and gives real-time feedback. Built with React Native and Expo, it handles live audio input, pitch detection, and AI-powered coaching — on iOS and Android. I work as Lead Engineer alongside the CTO, responsible for the core mobile experience: audio pipeline, UI performance, and feature delivery.
Backend
Frontend
Fullstack
React Native
Learning Platform
Music
Orydar
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React Native
Orydar
A mobile platform connecting users with local chefs and food experiences — think Airbnb for gastronomy. Built from scratch on top of an existing WordPress backend. Full-stack mobile development: React Native app, booking system, discovery flow, and API integration.
Frontend
React Native
Backend
Fullstack
Foodtech
PennyPet
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React Native
PennyPet
PennyPet is a French neobank for pet owners. I led frontend mobile development end-to-end — from architecture decisions to production release, with significant autonomy under startup pace. React Native, tight deadlines, high UX bar.
Neobank
React Native
Frontend

Want to structure your agentic workflow?

I've spent months building agentic coding workflows in production. Whether you're a dev getting started or a team looking to shift — I can help you find your method.

Jean Desauw

React Native engineer. Agentic coding practitioner.

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