Freelancer profile translated to English.
Back to original languageAbout Nathanaël
Expert Lead Tech TypeScript & React | Advanced Web & Mobile Development 🚀
👋 With over 10 years of experience as a Tech Lead specializing in TypeScript and React, I support startups, SMEs, and large corporations in creating innovative, high-performing, and tailor-made web and mobile applications.
💻 Web Tech Lead
I design and architect robust and scalable web platforms in React and TypeScript. I bring my expertise in Remix, Next.js, and NestJS to develop optimized, reliable, and high-performing web solutions.
I also provide technical guidance to development teams to ensure high code quality, adherence to best practices, and smooth, efficient project delivery.
📱 Mobile Development
I develop fluid, reliable, and user-centric iOS (Swift, SwiftUI) and Android (Kotlin) applications with a solid technical architecture, performance optimization, and advanced user experience.
Some recent successes:
- Tech Lead for the development of Steply's iOS application (+10k users), recognized for its intuitive interface and performance.
- Complete refactoring and UX/UI improvement of the Euronews mobile application, significantly enhancing user engagement.
My approach:
Technical Leadership: Team management, technical mentoring, and implementation of best practices.
Product Vision: Active participation in technical and strategic decisions to ensure perfect alignment between technology and business objectives.
Technical Excellence: Scalable, secure, and high-performing solutions based on high development standards.
Ready to boost your project with recognized expertise in React and TypeScript? 📩 Contact me today and let's talk about your ideas!
French
Native or bilingual
English
Fluent
Can work on-site
Lyon (up to 10km), Paris (up to 10km), Lille (up to 10km), Montpellier (up to 10km), Grenoble (up to 10km)
Experience
- SANOFI - M&S DIGITAL ACCELERATORSenior Software EngineerPHARMACEUTICALS INDUSTRYJuly 2025 - Today (11 months)Lyon, FranceAssignment within Sanofi's digital accelerator, in a multidisciplinary team dedicated to creating an innovative web application using AI for industrial process optimization (manufacturing & supply).Responsible for technical design, backend and frontend development, cloud integration, and setting up CI/CD pipelines. Worked in close collaboration with product, data, and design teams in an agile environment.
- SteplyHands-on CTOSOFTWARE PUBLISHINGJanuary 2023 - Today (3 years and 4 months)Lyon, FranceSteply is the first mobile application that allows everyone to reduce their environmental impact.Responsibilities:- Application architecture- Development and maintenance of the iOS application in SwiftUI- Development and maintenance of the Android application in Kotlin- Development and maintenance of the NodeJS backend with NestJS, Prisma, and GraphQL- Development and maintenance of the ReactJS backoffice web application- Setup of continuous integration and deployment pipelines- Setup and maintenance of cloud infrastructure
- IIM Digital SchoolWeb & Mobile Development ProfessorEDUCATION AND E-LEARNINGDecember 2024 - Today (1 year and 6 months)Teaching students in Bac +4 programs for the Lead Fullstack Developer curriculum (approx. 30 students).Writing course materials. Exams & evaluation of acquired knowledge.Technologies taught:- JavaScript ES6+- ReactJS Review- React Native
Reviews
Maëva
Travel & Food
Reviewed on 8/12/2019
Nathanaël developed my website, migrated the data, and installed a secure server in the cloud.
The service was performed quickly, communication was easy, and my expectations were well met, even for last-minute changes.
Nathanaël knows how to adapt to the client!
Recommendations
FU
FU
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Education
- Diploma of Spanish as a Foreign LanguageInstituto Cervantes, Madrid2009Les diplômes d'espagnol DELE sont des titres officiels qui attestent du niveau de compétence dans la langue espagnol et ses idiomes. Il sont décernés par l'institut Cervantes au nom du Ministre de l'Education et de la Formation Professionnelle d'Espagne.
- Associate of ScienceSUPINFO International University2013
Certifications
- DevOps: Learn Everything About DockerUdemy2020
- Become a Sole ProprietorOpen Classroom2018