Freelancer profile translated to English.
Back to original languageAbout Jonas
đź‘‹ Hello and welcome to my profile!
**Passionate developer**, I help startups and companies transform their ideas into concrete applications.
My expertise coversmobile(Flutter),backend(Python, C#), and **AI**, allowing me to be involved in creating intuitive mobile applications as well as setting up robust and scalable backends.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- WeclimbDevelopment of new features and bug fixes on the WeClimb platformSOFTWARE PUBLISHINGJuly 2025 - July 2025Le Mans, FranceI supportedWeClimb**, a platform dedicated to climbing gyms and climbers, in the **developmentandevolutionof their application.My contributions covered both thecorrectionof criticalbugsand the implementation of key new features, with a particular focus on user experience and internationalization.
- Correction of a video upload bug: log analysis, cause identification, and implementation of a sustainable solution.
- PDF label editing tool: creation of a custom interface allowing climbing gyms to generate and download their own labels (logo, route setter, date), available in 6 languages.
- Group creation system for climbers: dedicated interface, invitation management, database and API, with multilingual support.
- Management of private and public events: addition of event creation by climbers, invitations for private events, database and API integration, multilingual.
This mission allowed me to provide concrete solutions to the needs of gyms and users, while strengthening the collaborative and community aspect of the platform. - ApsideMobile EngineerDIGITAL AND ITAugust 2024 - Today (2 years)Le Mans, FranceTechnical Stack:Flutter, Supabase (PostgreSQL), Node.js, TypeScript, Python (FastAPI), Docker, RabbitMQ, Kong (API Gateway)
Development of a microservices architecture for Apside's AI core
- Backend services inPython(FastAPI) with exchanges via **RabbitMQ**, containerized with **Docker**.
- Integration of anSSEchannel for asynchronous frontend communication.
- Implementation ofKongas anAPI Gatewayto manage microservice access.
- Use ofLangChainandLangGraphto manageagentic workflows
Development of the Tipsst mobile application in Flutter with Supabase Edge Functions in TypeScript/Deno
- Complete autonomy on technical choices and lead role inFlutterdevelopment.
- Integration withSupabasefor authentication, database, storage, and Edge Functions.
- TypeScript Edge functions: Retrieving locations via Google Places API, creating user accounts, generating embeddings for personalized recommendations, and sentiment analysis to filter negative reviews
- Service médical - ACOVolunteer WorkMEDICALJanuary 2025 - Today (1 year and 7 months)Le Mans, FranceDevelopment of an application inFlutterwithSupabaseto:
- foster cohesion within the medical team during various events.
- facilitate sports medicine training through quizzes and training sessions reserved for the association's volunteers.
Recommendations
DA
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Diplôme d'ingénieur en informatiqueESIEA Informatique2025Cursus axé sur le numérique et l'informatique en général, combinant enseignements théoriques et projets pratiques pour développer des compétences techniques solides et une approche pragmatique des problématiques technologiques. Cours suivis : Cloud application development, fondamentaux du big data, traitement de données en temps réel, UX, etc.
- Mobilité internationaleUniversity of Michigan2023Séjour académique dans une université prestigieuse, avec des cours en machine learning, développement web (Vue & Node), data science et gestion de projet.
Certifications
- TOIEC 990/990ETS Global2022