Jonathan Fidi

Senior Frontend Developer | React Typescript Nextjs @Jonathan Fidi Consulting

FranceWeb DeveloperFrontend Developer✔️ IT

I build custom Webapps. SaaS and E-commerces for ambitious companies ! Since 17 years, as a Senior Frontend Developer specializing in React, Typescript, and Nextjs, I have successfully led several complex frontend projects to completion, delivering high-quality, efficient, and scalable solutions. I have demonstrated expertise in React, Typescript, and Nextjs, consistently staying updated with the latest trends and advancements in these technologies. My contributions have significantly improved the user interface and user experience of various web applications of more than 50+ companies like: - Hermès - Criteo - Carrefour - Intermarché - Fauchon - Galeries Lafayette - Assurant - Foussier - SNCF Connect - Indigo - Vivendi And many great Startups ! Additionally, I have provided valuable consulting services, helping businesses optimize their frontend development strategies. It’s your turn now. Let’s talk about your project :)

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Work Background

Shadow SantéHead of Front-end Engineering

Mar. 2024Paris, france

JONATHAN FIDI CONSULTINGCTO / Front end Architect / Lead Developer | React Typescript Next.js | Freelance

Jul. 2007Paris, Île-de-France, FranceHelping ambitious companies to build game changing web applications using React and Typescript. Reviewing peer code on a daily basis. Giving technical support to no-tech people. Applying best agile standards to deliver maximum user value. Main clients: - Hermès - Indigo - Intermarché - Edenred - Assurant - Criteo - Groupe La Centrale - Celio - SNCF Connect - Léni - Vivendi Skills : - React + Redux + Hooks - NextJS - Javascript ES8+ - JEST (Unit tests) - Cypress (E2E tests) - Atomic design - CSS modules - Varnish - Cloud (AWS / GCP) - Git (trunk based) - Gitlab CI - JIRA - Agile (Scrum / Kanban / SAFe) - Lean

HermèsSenior Front-end Developer (React, Typescript)

Oct. 2023 - Mar. 2024Paris, Île-de-France, FranceContribution to the Hermès team: development of a back office and design system using React and TypeScript. Integration of Radix and Tailwind for accessibility and visual consistency. Writing unit tests with Jest and React Testing Library to ensure code quality. Daily support to team members through code reviews, pair programming, and debugging, enhancing collaboration and project performance. - React - Typescript - React Hooks - React Query - Zustand - Vite - Tailwind css - Jest - React Testing Library - Storybook - Design System - Gitlab

INDIGO GroupLead / Senior Développeur Front-End (React, Typescript, Nextjs)

Jan. 2023 - Jun. 2023Paris, Île-de-France, FranceRenforcement de l'équipe Indigo Neo. Production de features et correction de bugs sur le Webapp internationale de réservation en ligne d'emplacements de Parking sur Nextjs (SSR, SSG, ISR). Migration Typescript et Styled-components. Développement de features et corrections de bugs sur la console d'admin interne custom React, Typescript, Material UI (CSR). - React - Typescript - React Hooks - React query - Redux - Next.js - Vite - CSS modules - Styled components - Material UI - Jest - React Testing Library - Cypress - Design system - AWS - JIRA

IntermarchéLead Front-End Developer (React, Typescript, Nextjs)

Aug. 2021 - Dec. 2022Paris, Île-de-France, FranceBrought value to the Intermarche's 15 people front-end web developers team. Added new features and fixed production bugs on company's main hight traffic e-commerce website using React, Nextjs and Typescript. Helped non technical collaborators to shape innovations ideas.