JRFreelancer profile translated to English.
Back to original languageAbout Johan
I have been evolving for 20 years in most areas of development. Aligned with the values of agility and continuous improvement to promote team performance.
I support your technical teams from the analysis of the need (in collaboration with your product team, if you have one) to the delivery with a quality approach at the center of my concerns. People are paramount to me and I will take care to listen to ideas and share my knowledge.
French
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- TrustCollectCo-founder & CTOApril 2025 - Today (1 year and 2 months)Development of Typescript, APIs (Node.js), Websites (Astro) and Web applications (React)Quality of development ensured by TDD and Continuous Integration.Languages:TypescriptFrameworks & libraries used:Node.js, Effect-TS, ReactContinuous integration / QA:Github Actions, VitestInfrastructure:AWS, Pulumi
- Comet MeetingsFull Stack DeveloperMay 2021 - April 2024 (2 years and 11 months)Paris, FranceIn a small team of 6 developers, our scope ranged from functional requirements to the delivery of the technical solution in production. We were responsible for:
- The needs analysis phase with user interviews
- The design / UX phase
- Architecture / development
- Deployment / observability
Development of TypeScript, APIs (Node.js) and web applications (React)Quality of development ensured by TDD in Mob Programming and Continuous Integration.Languages:TypeScriptFrameworks & libraries used:Node.js, Express, fp-ts, ReactContinuous integration / QA:Github Actions, Vitest, PlaywrightInfrastructure:Heroku, Docker - Fluo AssurancesFull Stack DeveloperFebruary 2018 - October 2018 (8 months)Development of Javascript, typed with Flow, APIs (Node.js), Websites (React) and mobile applications (React-Native)Quality of development ensured by TDD in Pair Programming or Mob Programming and Continuous Integration.Languages:JavascriptFrameworks & libraries used:Node.js, Koa, React, React NativeContinuous integration / QA:Jenkins, Jest, TestCaféInfrastructure:AWS, Terraform, Docker
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Education
- Bachelor's degree in Communication Activities and Techniques, Information and Communication Services and TechnologiesIUT de Meaux2008Licence Activités et Techniques de Communication, Services et Technologies de l'Information et de la Communication
- BTS Assistant Technical EngineerLycée Martin Luther King2007BTS Assistant Technique d'Ingénieur