Freelancer profile translated to English.
Back to original languageAbout Frédéric
Senior Full Stack Developer | Lead Dev | CTO – 15 years of experience
Main technical expertise:
- Front-end: React, React Native, Next.js, TypeScript -> creation of modern, performant, and maintainable interfaces.
- Back-end: Node.js, Adonis.js, Strapi -> robust architectures, scalable APIs, complex integrations.
- Full stack: global vision, from design to production, including CI/CD and performance optimization.
My approach:
- Strong listening skills → deep understanding of business needs and challenges.
- Technical leadership → team management, mentoring, and implementation of best practices.
- Product vision → not just code, but concrete solutions that create value.
Whether you need **operational support**, an effective and autonomous **developer**, a **technical lead**, or a part-time **CTO**, I can intervene quickly, take charge of your projects effectively, and ensure my rapid integration into your structure and team.
My goal: to help you transform your ideas into sustainable and high-performing products.
English
Fluent
French
Native or bilingual
Can work on-site
Lille (up to 50km), Paris (up to 50km), Lyon (up to 50km), Nantes (up to 50km), Toulouse (up to 50km)
Experience
- MentorShowFullstack React Native & Adonis.js DeveloperEDUCATION AND E-LEARNINGMay 2025 - Today (1 year and 1 month)General Context:Develop the new screens for version 2 of the iOS / Android and Web applicationDescriptionDevelopment of the following screens on iOS, Android, and Web (desktop and mobile) from Figma mockups:
- Home
- Masterclass
- Lesson
- Downloads
- My Account
Technical Stack:React Native, Adonis.js, PostgreSQLInteractions with services:Builder.io, Hubspot, Stripe, Algolia - DecathlonCTO / Technical ArchitectSPORTSSeptember 2021 - December 2024 (3 years and 3 months)Villeneuve-d'Ascq, FranceGeneral Context
- Existing: Google Sheet to manage prototype maker time bookings by modelers.
- Desire to create a real booking application for Decathlon product prototyping.
- All with a booking assistant and opening slots 60 days in advance.
DescriptionUnderstanding and analysis of needs.Technical responsibility for the application.- Creation and development from scratch of a booking application for Decathlon product prototyping.
- Integration of mockups from the artistic director.
- Implementation of Decathlon identity federation.
- Implementation of the Decathlon API Manager.
Collaboration with the Build&Run team for GCP deployment, CI/CD. - EasyOFCTO / Technical ArchitectEDUCATION AND E-LEARNINGMarch 2021 - Today (5 years and 3 months)Lille, FranceGeneral Context:Create an application to facilitate the administration of a training organization and organize Qualiopi audits.DescriptionCreation of a SaaS application for managing training organizations: https://easyof.fr
- Management of training courses and sessions
- Management of participants and trainers
- XML Export: import of the generated file into EDOF - MonCompteFormation
- CSV Import: import of data from the CRM
- Online signature: dematerialization and simplification of attendance sheets
- Markdown document generation
- Subscription management with Stripe
Reviews
Recommendations
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
- DA2I LicenseUniversity of Lille 12010