David Guerin

Tech Lead Front-End : React Native & React

1 recommendation

Salary / Daily rate

1 person recommend

Paris, France

Freelance

Remote only

Skills

Frontend DevelopmentFullstack DevelopmentMobile DevelopmentTest Driven DevelopmentTest DesignTesting & QA

Languages

English

Recommended by

Amine Bezzarga

X-Squad

CEO & Founder

Recommended on 31 january 2020

About me

Intro

Je suis un ingénieur logiciel avec plus de 8 ans d'expérience. J'ai travaillé sur des sites web à fort trafic, mais aussi avec des startups SaaS avec plus d'un million d'utilisateurs actifs web/mobile. Mes derniers clients : - Mistral AI [Expo, tRPC] - Detective Box [Vite, Tailwind] - TRAINSWEATEAT (> 1.3M d'utilisateurs) [React Native, React, Node.js, TS] - Marché de Rungis (Avec l'agence Sooyoos, site à fort traffic) [Next.js, Node.js, TS] Je suis à l'aise avec Expo / React / Bun / Node.js

Links

Work experience

Founder of DevITGo Digital Agency & Consultant React Native / React / Node

DevITGoFreelance

May 2018 - Present

8 years 6 months

Région de Paris, France · Remote

Founder of DevITGo Digital Agency and consultant specialized in mobile development with React Native (iOS / Android / Web / macOS ) and making fast websites using Next.js and/or React.js. My latest projects were : MISTRAL AI - React Native/Expo TRAINSWEATEAT - React Native & React (+2.5 years) Marché de Rungis - Next.js & Node.js (+6 months) Blik - React Native (+4 months) Oney+ - React Native (+4 months) I can help you on your projects including these features : - Create from scratch projects - Typescript, Redux, Apollo, Three.js / React three fiber, Reanimated, - TDD and Clean Architecture - Using React hooks and function component - Work in an agile configuration - Automatize the release process on both apps and web (CI/CD with tests -> to the app stores) - Develop React Native libraries with native features. I can also help with back end development involving Typescript, Node.js, GraphQL, Websockets.

Développeur web

Detective BoxFreelance

Oct 2024 - Mar 2025

6 months

Remote

I worked as a web developer with other devs, adding new features and fixing issues. The stack was Vite, tailwind, XState

Développeur mobile Expo

Mistral AIFreelance

Dec 2024 - Feb 2025

3 months

Remote

I helped Mistral AI their first version of Le Chat mobile made with Expo and tRPC

Web developer

KoinFreelance

Mar 2024 - Aug 2024

6 months

Remote

I was a web developer working with Vite and RTK Query mostly

React Native and React software engineer

TRAINSWEATEATFreelance

Jan 2021 - Jul 2023

2 years 7 months

Remote · Remote

Architect and software engineer with Next.js and Node.js

Marché International de Rungis SEMMARIS (with Sooyoos)Freelance

Nov 2022 - May 2023

7 months

Remote · Remote

Architectured and created a new website from scratch for the world's largest wholesale market for fresh produce using self hosted Next.js, Typescript, Monorepo, CSS Modules, Node.js in an agile environment.

Architect and software engineer React Native iOS/Android

Blik (via Sooyoos)Freelance

Feb 2020 - Oct 2020

9 months

Remote · Remote

In charge of creating a React Native app from scratch, using Typescript, Redux, hooks, Reanimated, React Navigation, Background geolocation, clean architecture, TDD, yarn workspaces, Fastlane and deploying it on the stores.

React Native software engineer

OneyFreelance

Nov 2019 - Mar 2020

5 months

Remote · Remote

Creating a React Native app from scratch in an agile environment, using Typescript, Redux, hooks, functional components, Reanimated, React Navigation, Jest, Clean Architecture and Fastlane.

Software Engineer

Kardham Connect

May 2017 - May 2018

1 year 1 month

7620 Paris, Denmark

Software engineer. React Native app development. Involved with automatization of the React Native release process on both iOS and Android. Development of some native features on both platforms with a bridge for React Native using NativeModules. Development and architecture of the back-end with Node and Typescript. Development of an app for a 70inches touchscreen using React Native. Update of the app over the air using CodePush


Education

Conservatoire National des Arts et Métiers

master sems

2016 - 2018

2 years 1 month

ENSICAEN - Ecole Nationale Supérieure d'Ingénieurs de Caen

Licence

2014 - 2017

3 years 1 month

Classe préparatoires, Lycée Malherbe, Caen

MPSI - MP Informatique

2012 - 2014

2 years 1 month

Portfolio

Trainsweateat

The best place to find your next move

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