Freelancer profile translated to English.
Back to original languageAbout Jimmy
Looking for a React / Node.JS / Typescript developer?
You've come to the right place.
I am a Full Stack Developer with over 5 years of experience and a specialist in React development.
I have worked on various projects such as SaaS, web games, CRMs...
I have collaborated with companies such as Gymglish, Germen, Alpagga...
I can assist you with:
- Designing, developing, and maintaining features in line with business needs
- Participating in the writing of detailed technical specifications
- Your website
- Web application development
- Website development
- Website redesign
- Front-end migration
- Developing the front-end in React (Vite/Next/Gatsby/Typescript...)
- Developing the back-end in Node/Typescript/Express/GraphQL/Firebase/SocketIo
- Setting up relational databases SQL, PostgreSQL, MySQL
- Writing technical documentation
- Performing unit and integration tests to ensure code quality
- Participating in refactoring, continuous improvement, and code review contributions
I also have knowledge of: web scraping, scripting, automation, video generation via code (remotion), Netlify, Heroku, git, Chakra UI, Material UI, ...
I also place great importance on transparency with my clients.
I send a daily report to my clients at the end of the day on all the tasks I have performed.
Do you have a project?
Contact me on the platform to discuss
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- Association pour la transition Bas Carbone (ABC)React.JS / Typescript DeveloperENVIRONMENTALFebruary 2025 - August 2025 (5 months)Paris, FranceAt the heart of the fight against climate change since 2011 with the Carbon Footprint method®, the ABC raises awareness, trains, unites, and provides concrete action tools for organizations and citizens to succeed in their low-carbon transition.I joined the development team alongside 4 other developers, including 2 project managers, to work on an open-source tool, BC+, which guides users through the GHG emissions calculation phase.My main tasks involved the logic for adapting the product to become a white label solution,As a Full Stack Developer, I performed the following tasks:- White-labeling the BC+ project (Next, Typescript, Prisma)- Major code migration to allow multiple user accounts (Next, Typescript, Prisma)- Translations via i18n- Translation system based on the white-label version (Next, Typescript, Prisma)- Dynamic React Components based on the white-label version (Next, Typescript, Prisma)- Unit and end-to-end tests (Jest, Cypress)- Seeding after migrations (Typescript, Prisma)- New features (e.g., tag system for emission sources) (Next, Typescript, Prisma)- Debugging (Next, Typescript, Prisma)- Migration and data import scripts (Typescript, Prisma)- Participation in brainstormingSkills: React, Next, Typescript, Prisma, Jest, Cypress, i18n, Zustand, Git, Github, Material UI
- AlpaggaReact.JS / Typescript DeveloperE-COMMERCEOctober 2024 - November 2024 (1 month)Paris, FranceAlpagga is the 1st marketplace dedicated to used professional catering equipment.In autumn 2024, the company raised 6 million euros for its platform.I joined the platform's development team to integrate new features and implement changes.The team consisted of a Product Owner and 3 other developers.As a FullStack Developer, I was responsible for:- Adding new features to the Back Office (Next, Typescript)- Creating a blog via Strapi integrated directly into the platform (Strapi, Next, Typescript)- Setup for Black Friday (adding new filters, dedicated page, payment) (Next, Typescript, Algolia)- Funding the account via credit card (mangopay, Next, Typescript)- Adding a favorites system (Prisma, Mongo, Next, Typescript)- Customization via Strapi (activating/deactivating sales campaigns, homepage elements) (Next, Typescript, Strapi)- Debugging and quick fixes (Next, Typescript)- Exporting wallets via the mangopay API and generating a table (Next, Typescript, Mangopay)- Improving product pages (Next, Typescript)- Sending new information to N8N/Hubspot upon registration- Implementing a referral code system and a welcome promo code (Voucherify, Next, Typescript)Here is the link to the company's website: https://alpagga.comTechnical Context: Git, Github, React, Next, Typescript, React Query, Prisma, MongoDb, MangoPay, Voucherify, Vercel
- FlexBuilding
On Malt
React.JS / Typescript DeveloperFebruary 2024 - March 2024 (1 month)Paris, FranceFlexBuilding assists owners, managers, and business leaders in improving occupant satisfaction and loyalty by offering them a tailor-made experience to enjoy all the services offered (catering, sports, wellness, mobility, meeting rooms...) within office buildings.I joined the development team alongside a Back-end developer.I performed the following tasks:- Development of an administration console (Hubspot like)- Implementation of a caching systemTechnical Context: React, Typescript, ChakraUI, UseQuery, Git, Gitlab
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Education
- Computer Science and Information Systems ExpertParis Ynov Campus2021
- Computer Science DegreeUniversity of Versailles Saint-Quentin-en-Yvelines2019