Freelancer profile translated to English.
Back to original languageAbout Cynthia
Front-end Developer React / TypeScript, I help teams build performant, scalable, and easy-to-maintain interfaces.
I work on build projects, redesigns, and ongoing maintenance:
- Architecture overhaul,
- Feature additions,
- Technical debt reduction,
- Loading time improvements
Stack: React, React Router, TypeScript, TanStack Query, React Hook Form, tests (Vitest/React Testing Library), UI (MUI), Figma → UI integration, REST APIs.
Specifically, I can assist you with:
- Creation or redesign of React applications (routing, layouts, auth, complex forms)
- Front-end architecture (component breakdown, conventions, DX) and quality (TypeScript, linting, tests)
- Performance (re-renders, large lists, virtualization, profiling)
- Skill development / best practices within the team (reviews, standards, documentation)
If you have a React/TypeScript need, let's discuss it and I'll propose a tailored approach.
French
Native or bilingual
English
Fluent
Spanish
Basic
Remote only
Primarily works remotely
Experience
- CULTURALead Front-End DeveloperRETAIL (LARGE RETAILERS)September 2022 - Today (3 years and 8 months)Bordeaux, France
- Development of a web application for optimizing in-store receiving processes while standardizing professional practices.
- Development of several web applications for various functions, including cash register and pickup area management, subscription and course scheduling for Cultura's learning platform, and the book return process.
- Migration of several web applications, initially built on a common legacy codebase and developed with Create React App (CRA), to ViteJS to improve performance, stability, and scalability.
- Implementation of a template and guidelines to ensure consistency in project quality.
- Team supervision, training, pair programming, code reviews.
- Participation in the development of CI/CD tools.
- Writing technical and functional specifications.
- Establishment and animation of a community of practice to foster continuous learning, innovation, and team spirit.
- CdiscountFrontend developerE-COMMERCEJuly 2021 - Today (4 years and 10 months)Bordeaux, FranceService provision mission via CtrlUpDevelopment of a user interface allowing Octopia (Cdiscount) clients to administer their marketplace and thus accelerate their B2C business.My main missions on this project:
- Writing technical designs based on detailed requirements.
- Development of technical components considering performance objectives, with a coverage rate above 90% (React Admin Framework).
- TDD development, participation in end-to-end tests (Cypress).
- Administration and management of human and machine digital identities through the Keycloak authentication and authorization platform.
- Creation and development of an application for the administration and management of all users via an application under RemixJS.
- ProMyzeWeb developerDIGITAL AND ITJuly 2019 - May 2021 (1 year and 10 months)Bordeaux, FranceAt Promyze, I contributed to the development of their collaborative platform, an innovative solution dedicated to defining and disseminating best development practices.This mission allowed me to apply my software development skills in a context where code quality and continuous improvement were paramount.In parallel to my role on the platform, I also carried out several service provision missions. During these missions, I developed various applications for Promyze clients, applying and adapting the best development practices learned and shared within the platform.
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
- Web & Multimedia Project ManagerDigital Campus2017Webdesign / Ergonomie /Développement Web / Webmarketing / Rédaction Cahiers des charges / Projets réels