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jcparfait/README.md

Jean-Christophe Parfait

Full-stack developer building web and mobile applications, from backend to interface.

View my developer portfolio

About

Former photo studio director, I transitioned into software development after several years working in demanding production environments. That experience taught me how to organize workflows, coordinate technical and creative needs, identify blockers and deliver reliably.

I now develop complete applications with Ruby on Rails, React Native, TypeScript and PostgreSQL.

Selected projects

A mobile application designed to turn doomscrolling into a small, concrete activity. It combines contextual recommendations, guided activities, XP progression and a customizable room.

React Native Expo TypeScript Ruby on Rails PostgreSQL

Repository · Android APK

A conversational Rails application that recommends real cocktails. The LLM handles the conversation while Ruby business logic manages constraints, duplicate prevention and fallbacks.

Ruby on Rails Hotwire Turbo Streams RubyLLM TheCocktailDB

Repository · Live demo

A mobile-first movie library for creating collections, importing films and receiving a Movie Night recommendation based on mood, duration and genre.

Ruby on Rails PostgreSQL Devise TMDB Pexels

Repository · Live demo

Main technologies

Ruby on Rails · PostgreSQL · React Native · Expo · TypeScript · JavaScript · Hotwire · Turbo · REST APIs · Git · GitHub Actions · Heroku

Contact

Portfolio · Email

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  1. Tiny_act Tiny_act Public

    Tiny Act - mobile micro-actions app built with Expo, React Native and Rails API.

    TypeScript 1

  2. Bill Bill Public

    Bill - AI cocktail recommendation web app built with Ruby on Rails, Hotwire, PostgreSQL and GitHub Models.

    Ruby 1

  3. reelist reelist Public

    Mobile-first Rails app to build film collections with TMDB, Pexels covers and Movie Night recommendations.

    Ruby 1

  4. developer-portfolio developer-portfolio Public

    Portfolio développeur de Jean-Christophe Parfait — Ruby on Rails, React Native et TypeScript

    CSS