Freelancer profile translated to English.
Back to original languageAbout Nedjim
React / TypeScript Frontend Developer with over 6 years of experience designing high-volume data SaaS applications.
Specializing in complex interfaces, data visualization, and software quality, I work on technical design, frontend architecture, automated testing, and performance optimization.
I operate in Agile environments in close collaboration with Product, UX/UI, Data, and Backend teams, while also contributing to mentoring and best practice sharing.
In parallel, I am developing SaveYourMax, a sports performance tracking mobile application built with React Native, NestJS, and PostgreSQL.
French
Native or bilingual
English
Fluent
Can work on-site
Montpellier (up to 10km), Paris (up to 10km)
Experience
- SynthesioReact Frontend DeveloperSOCIAL NETWORKSSeptember 2019 - December 2025 (6 years and 3 months)Île-de-France, France
Description:
Participated in the development of a SaaS platform used by major international brands for analyzing millions of social media data.- Developed new React and TypeScript features for a complex, data-oriented business application.- Designed interactive visualizations and analytical dashboards using Elasticsearch data.- Implemented advanced charts with D3.js and Highcharts.- Gradually migrated the application to React 18 and TypeScript.- Introduced React Query to improve client-side data management.- Set up and maintained automated tests with Jest and Playwright.- Analyzed and optimized frontend performance for interfaces handling large data volumes.- Participated in frontend architecture choices and structuring technical decisions.- Wrote technical documentation and shared best practices.- Mentored and supported junior developers.Technical Environment:
React, TypeScript, React Query, D3.js, Highcharts, Elasticsearch, Jest, Playwright, Git, Agile.Communication:
French, English - FF Volley - Fédération Française de Volley / French Volley FederationProfessional Volleyball Player – Elite / National CompetitionSPORTSJune 2014 - June 2024 (10 years)Île-de-France, France
Description:
French National Women's ChampionshipPlayed volleyball at a high level concurrently with a developer career.- Engaged in intensive training cycles and national competitions- Teamwork in high-pressure environments with performance objectives- Developed strong personal discipline, resilience, and stress management skills- Fostered a culture of feedback, continuous improvement, and collective performance - DegetelJunior Fullstack JS DeveloperDIGITAL AND ITApril 2018 - August 2019 (1 year and 4 months)Île-de-France, France
Description:
Worked on several key client projects.- Frontend development in Vue.js for Maison du Monde.- Created and integrated reusable interface components.- Used Storybook for component documentation and maintenance.- Refactored an internal JavaScript application for Club Med.- Participated in frontend architecture and user experience discussions.- Coordinated certain functional evolutions with business teams.- Supported junior profiles.Technical Environment
Vue.js, JavaScript, Storybook, Git.
Recommendations
Be the first to recommend Nedjim
Help this freelancer shine by sharing your experience working together.
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
- DEUG in Mathematics and Computer ScienceUniversité Paris-Est Marne-la-Vallée2015DEUG Mathématiques et Informatique
- Web Developer, Fullstack JSSimplon.co2017Développeuse Web, Fullstack JS