🚀 Freelance Full-Stack Web Developer, I help tech and product teams accelerate their web projects with development that is reliable, maintainable, and quickly operational. 💻 I mainly work on web applications and interfaces using React, Next.js, TypeScript, and Node.js, to: • strengthen a team • unblock an ongoing project • move a roadmap forward without adding organizational complexity 🎯 In practical terms, I help my clients to: • develop new features quickly • take over and stabilize existing applications • fix bugs and reduce friction in production • improve performance, maintainability, and user experience • secure deployments with clean, readable code ⚙️ My way of working: quick understanding of needs, smooth communication, rigorous execution, and a strong focus on concrete impact. My goal is not just to deliver code, but to move the product forward under the right conditions. 🤝 I can contribute both to one-off needs and ongoing support, integrating quickly into the team and technical environment. 🛠️ Main technologies: React, Next.js, TypeScript, Angular, Node.js, APIs, Drupal. 📍 Available for freelance missions remote, hybrid, or on-site in the Paris region.

Gao-Feng YE

🚀 Freelance Full-Stack Web Developer, I help tech and product teams accelerate their web projects with development that is reliable, maintainable, and quickly operational. 💻 I mainly work on web applications and interfaces using React, Next.js, TypeScript, and Node.js, to: • strengthen a team • unblock an ongoing project • move a roadmap forward without adding organizational complexity 🎯 In practical terms, I help my clients to: • develop new features quickly • take over and stabilize existing applications • fix bugs and reduce friction in production • improve performance, maintainability, and user experience • secure deployments with clean, readable code ⚙️ My way of working: quick understanding of needs, smooth communication, rigorous execution, and a strong focus on concrete impact. My goal is not just to deliver code, but to move the product forward under the right conditions. 🤝 I can contribute both to one-off needs and ongoing support, integrating quickly into the team and technical environment. 🛠️ Main technologies: React, Next.js, TypeScript, Angular, Node.js, APIs, Drupal. 📍 Available for freelance missions remote, hybrid, or on-site in the Paris region.

Available to hire

🚀 Freelance Full-Stack Web Developer, I help tech and product teams accelerate their web projects with development that is reliable, maintainable, and quickly operational.

💻 I mainly work on web applications and interfaces using React, Next.js, TypeScript, and Node.js, to: • strengthen a team • unblock an ongoing project • move a roadmap forward without adding organizational complexity

🎯 In practical terms, I help my clients to: • develop new features quickly • take over and stabilize existing applications • fix bugs and reduce friction in production • improve performance, maintainability, and user experience • secure deployments with clean, readable code

⚙️ My way of working: quick understanding of needs, smooth communication, rigorous execution, and a strong focus on concrete impact. My goal is not just to deliver code, but to move the product forward under the right conditions.

🤝 I can contribute both to one-off needs and ongoing support, integrating quickly into the team and technical environment.

🛠️ Main technologies: React, Next.js, TypeScript, Angular, Node.js, APIs, Drupal.

📍 Available for freelance missions remote, hybrid, or on-site in the Paris region.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
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Language

Chinese
Fluent
English
Advanced
French
Advanced

Work Experience

Freelance Web FullStack (node.js / React)
January 1, 2025 - August 15, 2025
Worked on backend and frontend projects onsite for clients including Wetix, LTU Tech, and Spectronite. Delivered improved ticketing application with CSS, document digitization solutions, and modem network management applications.
Senior Front-End Developer at SmartCow
January 1, 2024 - August 15, 2025
Key front-end developer for an Artificial Intelligence company, building React 18 interfaces to control AI devices. Developed camera streaming, Docker device parameterization, end-to-end tests with Playwright, and a shared component library using Storybook and Mantine.
Senior Front-End Developer at Hypecode
January 1, 2022 - August 15, 2025
Principal developer of Bunkr project using React 17 and Next.js 12. Implemented video/audio recording for chat messages, authentication token management, custom date/time pickers, session limitation, single sign-on, social media sharing, and chat features.
Lead Front-End Developer at TKT
January 1, 2021 - August 15, 2025
Managed a team of junior and senior developers delivering projects including Tradescore (Angular 11), Sete guide app for Eiffel Tower (Angular 8), Germitec embedded device app (React 16), Ciné Society communication tool (React 16), Spie Batignolles intranet (Angular 8 & Ionic), and Treasure Hunters mobile game (React Native). Responsibilities included feature development, maintenance, testing, and team leadership.
Consultant Web Front-End at Fidésio
January 1, 2019 - August 15, 2025
Delivered front-end features for major clients such as TF1 and FDJ, including infinite scroll, authentication systems, and platform-specific game development from scratch under React with Redux. Also maintained Drupal projects internally.
Front-End Developer at Asiance
January 1, 2017 - August 15, 2025
Worked in an international environment in Seoul developing interactive projects using AngularJS, HTML5, CSS3, Drupal, and JavaScript.
Front-End Developer at Forbiz Korea
January 1, 2015 - August 15, 2025
Provided knowledge transfer and development for junior and local developers at a Korean web agency using JQuery, JavaScript, HTML5, and CSS3.
Front-End Developer at Valtech
January 1, 2013 - August 15, 2025
Worked full-time on large accounts including L'Oréal (Dojo intranet maintenance), Louis Vuitton (web pages with HTML5/CSS3/jQuery), Guerlain (event page with Drupal and Parallax), and Edition Atlas (mobile app using HTML5/CSS3/JavaScript).
Consultant Front-End at Alten
January 1, 2011 - August 15, 2025
Performed various front-end development tasks for telecom and technology clients including Bouygues Telecom internal tools with JQuery and Windows services integration, and feature enhancements on Tom's Guide news technology site.
Senior Front-End Developer at Freelance
January 1, 2024 - Present
Freelance Web FullStack projects for clients in Paris: BUT (e-commerce site and CMS), Wetix (ticketing app), LTU Tech (document digitization), Spectronite (modem management).
Senior Front-End Developer at SmartCow
January 1, 2022 - January 1, 2024
Key Front-End developer for AI device control UIs; implemented camera streaming in React 18; device parameterization in Docker; end-to-end tests with Playwright; built a component library for projects (Storybook + Mantine).
Senior Front-End Developer at Hypeco
January 1, 2021 - January 1, 2022
Principal developer of the 'Bunkr' project using React 17 and Next.js 12. Features include video/audio recording, token-based auth, custom date range and time pickers, session limits, chat, SSO, and social sharing.
Lead Front-End Developer at TKT
January 1, 2019 - January 1, 2021
Led a team of developers; added features and maintained Tradescore (Angular 11: search bar, code refactoring, E2E tests with Protractor) and Sete (Eiffel Tower guide app: navigable floors, video background animation, video player in popups); Germitec (embedded devices with React 16); Cine Society (React 16 calendar, film search, dashboard); Spie Batignolles intranet (document management, image editing, PDF export); Treasure Hunters (React Native mobile game).
Consultant Web Front-End at Fidesio
January 1, 2017 - January 1, 2019
TF1: new JavaScript features on VOD platform; FDJ: maintenance of Loto and Euromillions (Angular); Euromillions rebuilt from scratch in React with Redux; internal Drupal projects maintenance.
Front-End Developer at Asiance
January 1, 2015 - January 1, 2017
Worked in Seoul, Korea, on interactive projects in an international environment using AngularJS, HTML5, CSS3, Drupal, JavaScript.
Front-End Developer at Forbiz Korea
January 1, 2014 - January 1, 2015
Developer in a Korean agency, contributing on front-end features with JQuery, JavaScript, HTML5, CSS3.
Front-End Developer at Valtech
January 1, 2011 - January 1, 2013
Full-time Front-End on large accounts: L’Oréal intranet maintenance (Dojo), Louis Vuitton web page, Guerlain event page (parallax), Atlas mobile app (HTML5, CSS3, JavaScript).
Front-End Developer at Alten
January 1, 2010 - January 1, 2011
Consultant Front-End for telecom/tech clients; internal tools with JQuery; Tom's Guide site enhancements; Windows Services integration.
Freelance Web FullStack Developer at Self-employed / Freelance
January 1, 2024 - January 1, 2025
Full-stack projects for clients including BUT (e-commerce), Wetix (ticketing app), LTU Tech (document scanning), Spectronite (telecom device management).
Senior Front-End Developer at SmartCOW
January 1, 2021 - January 1, 2022
One of the main Front-End Developers, in a company building AI devices. Responsible for creating a graphical interface to configure AI devices. Technologies used: Docker, React 18, Vite, Playwright, Mantine, Antd.
Senior Front-End Developer at Hypecode
January 1, 2021 - January 1, 2022
Lead frontend developer on multiple projects, notably an embedded/machine UI. Responsibilities included React-based architecture, team leadership (React 16, Ionic).
Front-End Web Consultant at Fidesio
January 1, 2017 - January 1, 2019
Web agency consultant delivering frontend missions for clients (short/long-term). Tasks included feature development, maintenance, and client-side improvements (TF1, FDJ).
Lead Front-End Developer at TKT Paris
January 1, 2019 - January 1, 2021
Led a team of juniors and confirmed developers; guided final development of recent web projects (Tradescore, Sete Eiffel Tower guide app, etc.).
Front-End Developer at Valtech Paris
January 1, 2011 - January 1, 2013
Internal tooling and client projects; Dojo-based internal tools; maintenance and feature development.
Front-End Consultant at Alten Paris
January 1, 2010 - January 1, 2011
Frontend features development for telecom and news tech projects; HTML5, jQuery, CSS3; internal tools and site features.
Freelance Full-Stack Web Developer
January 1, 2024 - January 1, 2025
Freelance full-stack web development for clients in Paris, delivering e-commerce sites and web applications. Projects include a responsive ecommerce site and web apps built with CSS, Next.js, and React; tasks encompassed frontend interfaces, integration work, and deployment considerations.
Front-End Web Consultant at Fidèsio
January 1, 2019 - January 1, 2021
Web agency sending employees to client sites for short/long-term missions. Notable assignments included TF1 (native JavaScript video platform features such as infinite scroll and authentication, plus debugging of an internal video player) and FDJ (Lotto/Euromillions lottery game app maintenance).
Front-End Web Consultant at Fidèsio
January 1, 2017 - January 1, 2019
Continuation of front-end consulting work for Fidèsio with React-based projects. Implemented games and UI features using Redux, including the 'Choix Rapidé' game mode built from scratch.
Front-End Developer at Agence Seoul
January 1, 2015 - January 1, 2017
Frontend development in an international web agency in Seoul, contributing to interactive projects and collaborating with local developers.
Front-End Consultant at Alten
January 1, 2010 - January 1, 2011
Various consulting missions for telecom and tech-news clients. Responsibilities included frontend feature development using jQuery and integration with Windows services; maintenance and enhancements for a news technology site (jQuery, HTML5, CSS).
Freelance Full-Stack Front-End Developer at Freelance
January 1, 2024 - January 1, 2025
Full-stack front-end projects for clients including an e-commerce site for BUT, a ticketing web app for Wetix, a document scanning web app for LTU Tech, and a telecom devices management interface for Spectronite; built with CSS and Next.js, React and Node.js.
Front-End Web Consultant at Fidesio
January 1, 2019 - January 1, 2021
Missions at TF1: native JavaScript video platform with infinite scroll, authentication system, and internal video player bug fixing. FDJ: Loto and EuroMillions lottery game app maintenance; React-based development for games.
Front-End Developer
January 1, 2015 - January 1, 2017
Frontend development for an international web agency in Seoul; interactive projects; technologies included AngularJS, HTML5, CSS3, Drupal, and JavaScript.
Lead Front-End Developer at TKT Paris
January 1, 2021 - January 1, 2022
Led a team of juniors and confirmed developers to deliver final front-end implementations for recent web projects (Tradescore, Sete Eiffel Tower guide app).

Education

Diplôme at Shanghai Jiao Tong University
January 1, 2009 - January 1, 2010
Diplôme d’Ingénieur en Informatique at ENSEEIHT Toulouse
January 1, 2007 - January 1, 2009
Diplôme at Shanghai Jiao Tong University
January 1, 2009 - January 1, 2010
Diplôme d’Ingénieur en Informatique at ENSEEIHT (École nationale supérieure d'électrotechnique, d'électronique, d'informatique, d'hydraulique et des télécommunications)
January 1, 2007 - January 1, 2009
MSc in Internet-Based Information Extraction Technology, Computing Software Applications at Shanghai Jiao Tong University
January 1, 2009 - January 1, 2010
Engineering degree in Computer Engineering at ENSEEIHT, Toulouse, France
January 1, 2007 - January 1, 2009
Master's at Shanghai Jiao Tong University
January 1, 2009 - January 1, 2010
Engineering Degree at ENSEEIHT, Toulouse, France
January 1, 2007 - January 1, 2009
Graduate at Shanghai Jiao Tong University
January 1, 2009 - January 1, 2010
Computer Engineering Degree at ENSEEIHT, Toulouse, France
January 1, 2007 - January 1, 2009

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Telecommunications, Media & Entertainment, Professional Services, Travel & Hospitality, Education