Freelancer profile translated to English.
Back to original languageAbout Julien
As a passionate and experienced blockchain developer, I specialize in creating innovative and secure solutions for the blockchain sector.
With expertise in fullstack development, including Solidity, Hardhat/Foundry, Node.js, React.js, and Flutter, I provide high-quality services tailored to each project.
My ability to understand and implement complex solutions quickly, combined with effective communication, ensures the satisfaction and success of my clients.
With a diverse experience, ranging from mobile game development to the lead dev position of the space surveillance program at Ariane Group, I am ready to take on any challenge in the world of blockchain!
Hire me to transform your ideas into reality with efficiency and precision.
English
Fluent
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- Why not an AppIndependent DeveloperSOFTWARE PUBLISHINGNovember 2021 - Today (4 years and 9 months)Paris, FranceDevelopment of self-published mobile applications as an independent developer.The developments are carried out in flutter.• Creation of a client (Flutter) / server (Dart) application to help users find a place to live that suits them, by providing constraints (school less than 5 kms, prison more than 30 kms, Occitanie region, etc etc ...)• Creation of a puzzle game, Beat the Grid, available on the iOS / Android stores - Flutter• Creation of an application to easily digitize, organize and save paper documents - Flutter• Creation of a tool to help create flutter applications - Flutter• Training an apprentice in Dart / Flutter technologies
- Ariane GroupFullStack J2EE Developer / Work package managerAVIATION AND AEROSPACEMarch 2018 - October 2021 (3 years and 8 months)Les Mureaux, FranceSoftware development of ArianeGroup's space surveillance solution, GeoTracker, as a J2EE Fullstack developer.• WPM of the software part of the project• Redesign of business algorithms• Implementation of a new HMI• Design & implementation of a new software architecture• SGDB Migration• Management of a team of 11 people• Development of a java-based product with integration and development of business blocks• Design & implementation of development / test / production platforms• Maintaining a complex system in operational condition for delivery of orbits 7 days a week
- Airbus Defence and SpaceJAVA / J2EE DeveloperAVIATION AND AEROSPACESeptember 2014 - March 2018 (3 years and 6 months)• Development of a touch-sensitive client / server software solution in JAVA / J2EE• Creation of the architecture and development of a "home-made" framework• Creation of a central server for the project and its web services• Implementation of tools and advice for the project's databases• Management of two people
Recommendations
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Education
- Baccalauréat Scientifique options Sciences de l'ingénieurLycée Condorcet, Méru2011
- BTS Service Informatique aux Organisation ( SIO )ITIN2013Spécialité Solutions Logicielles et Applications Métiers
Certifications
- TOEIC (920 points)TOEIC2016