Freelancer profile translated to English.
Back to original languageAbout Julien
😊 My Profile
Fullstack JavaScript / TypeScript developer, I help startups and SMEs transform their ideas into reliable web applications: MVP creation, internal tools, and APIs. Specializing in React/Next.js for the frontend and Node.js/TypeScript for the backend, I handle the complete architecture and UI/UX.
I primarily work with React, Next.js, and Node.js, with a product-oriented approach: quickly understanding a need, proposing pragmatic solutions, and delivering useful features without unnecessary complexity.
My profile is intentionally versatile: architecture, frontend, backend, APIs, databases, automation, rapid prototyping… I enjoy working on projects where I need to adapt quickly, structure ideas, and concretely advance a product.
Before web development, I also had entrepreneurial and project management experience, which gives me a good understanding of business stakes, practical constraints, and user needs.
💻 Main Technologies
- JavaScript / TypeScript
- React / Next.js
- Node.js
- REST APIs
- PostgreSQL
- Git
✅ My Skills
I am particularly comfortable with:
- Fullstack web application development (React / Node.js)
- Startup MVP / rapid prototyping creation
- REST/GraphQL API development
- Web application maintenance and refactoring
- Internal tools & business automation
📞 I would be delighted to discuss your project with you
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- AgroLeagueFullstack DeveloperAGRICULTURENovember 2023 - May 2026 (2 years and 6 months)Toulouse, FranceAs a fullstack developer at AgroLeague, I contributed to the development and evolution of all the company's digital products:Development of the React Native mobile application, used by farmers to track their crops, communicate with experts, and access personalized agronomic recommendations.Participation in the development of the React.js web backoffice, intended for agronomists for member tracking, field data analysis, and intervention management.Design and maintenance of the Node.js (Express) API, serving both the mobile application and the backoffice, with a particular focus on performance, security, and scalability.Close collaboration with product, design, and agronomy teams in an agile environment, with a strong user impact.Involvement in implementing best development practices: testing, code review, CI/CD
- Le Guide de ZoéMobile and Backend Application CreationENTERTAINMENT AND LEISUREMarch 2023 - August 2023 (5 months)Toulouse, FranceCreation of a complete mobile application (iOS and Android) in React Native:- Creation of the application's front-end with Expo (React Native)- Creation of the NestJS backend- Creation of the administration backofficeThis application offers its users the ability to purchase a code that provides discounts from a catalog of partner merchants.My mission consisted of creating a complete application for iOS and Android from a mockup, as well as setting up the backend and database.
- PolitMobile App + API Creation (React Native + NestJS)SOCIAL NETWORKSFebruary 2023 - March 2024 (1 year and 2 months)Toulouse, FranceCreation of a complete mobile application for iOS and Android in React Native and its API in Nestjs:- Creation of the application's front-end with Expo (React Native)- Creation of the NestJS backend- Creation of the administration backofficeThis application is a new social network in the style of Twitter, with the ability to create posts, share them, comment on them, send direct messages, etc. My mission consisted of creating a complete application for iOS and Android from a mockup, as well as setting up the backend and database.
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Education
- Front-end DeveloperOpenClassroomsFormation développement front-end HTML, CSS, JavaScript, Vue.js, React
- Master of Engineering (M.Eng.)University of Tours, CESA/DA2013