Freelancer profile translated to English.
Back to original languageAbout Ferdinand
âïž React.js | Next.js | TypeScript Web Developer
With 4 years of experience in fullstack development, I have acquired solid expertise in the JavaScript ecosystem, leveraging modern technologies like React.js, Next.js, and Node.js on projects ranging from e-commerce to SaaS.
đ My skills in action
>_ Creation of MVPs on React.js & Next.js up to beta tester launch.
>_ Complete redesign of the user journey for an e-commerce solution, including SEO performance management (Server-side rendering, Core Web Vitals, lazy loading, etc.)
>_ Design and development of an administration back-office integrating third-party APIs (Hubspot, Mangopay)
>_ Refactoring and reliability of a payment workflow (clean architecture, automated tests).
>_ Collaboration with the product team to prioritize and implement features pragmatically
>_ Proactive maintenance and efficient bug resolution.
đ€ Why choose my services?
>_ Clear and proactive communication for constant alignment.
>_ Project delivery with consistent quality, adapted to your needs.
>_ Fullstack expertise covering the entire project, from front-end to back-end.
>_ UX/UI focus: development of performant, intuitive interfaces optimized for user experience and conversion.
âš A project to launch, a product to evolve, or a team to strengthen?
Contact me now to discuss your project and see how we can collaborate!
Response within 24 hours guaranteed
Keywords: reactjs, nextjs, nodejs, front-end development, fullstack development, typescript
English
Fluent
French
Native or bilingual
Spanish
Conversational
Can work on-site
Annecy (up to 50km), Paris (up to 50km), Lyon (up to 50km)
Experience
- FreelanceTypescript/Node.js Fullstack DeveloperFebruary 2025 - Today (1 year and 4 months)Accompanying clients end-to-end, from understanding business needs to implementing sustainable technical solutions aligned with their product and operational objectives.+ Scoping client needs and translating them into technical solutions, with architectural recommendations and prioritization of evolutions+ Design, development, and delivery of product features+ Collaboration with internal or external teams, technical support, and guidance in using delivered solutions+ Autonomous or integrated management within agile sprints: planning, deadline monitoring, and production delivery
- AlpaggaNext.JS Fullstack DeveloperE-COMMERCEMay 2023 - January 2025 (1 year and 9 months)Paris, FranceAlpagga is an e-commerce platform specializing in the sale of used professional catering equipment. I had the opportunity to work on the front-end and back-end development of the platform, with **the following missions**:+ Development of an admin back-office to facilitate operational management for Sales, OPS, and Supply teams, integrating multiple external APIs such as Mangopay (payment) and Hubspot (CRM).+ Redesign of critical user journeys considering UX and performance challenges, and overall optimization of application performance (caching, lazy loading, code splitting)+ Migration from Mongoose ORM to Prisma, improving the maintainability and performance of database queries (MongoDB)+ Implementation of a unit and integration testing strategy to secure critical modules (Jest, React Testing Library)+ Participation in writing technical specifications, code reviews, and continuous improvement of the codebase.đ Technical StackTypeScriptNext.js, ReactPrisma / MongoDBAlgoliaAWS S3VercelMangopayHubspot
- Meta APIFullstack DeveloperTECHJanuary 2022 - April 2023 (1 year and 3 months)Paris, FranceDevelopment of a SaaS platform aimed at facilitating code deployment by developers and simplifying API integration.My missionswere as follows:+ Development of an intuitive low-code interface allowing users to automate processes and interact with APIs without writing code.+ Design and development of a task scheduler to automate workflow execution.+ Evolutionary and corrective maintenance of the application: bug fixing, front-end and back-end performance optimization, refactoring of critical modules.+ Conducting code reviews.đ Technical StackTypeScriptReactExpress.jsMongoose / MongoDBAWS S3Google Cloud PlatformStripe
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Education
- General EngineerHEI - Hautes Ătudes d'IngĂ©nieur
- Application Designer DeveloperLe Wagon2019