Senior Front-End Developer, React.js

Mobile Tech People

. Design and develop new front-end features using React.js / TypeScript .

Posted 10/7/2026full-timeParis • FranceSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong proficiency in React.js and TypeScript for front-end development, with a focus on code quality, performance, and accessibility. Experienced in collaborating with cross-functional teams and contributing to Design Systems and component-based architectures.

Highest-signal resume keywords

React.js ProficiencyTypeScript ProficiencyFront-End Testing KnowledgeDesign System ExperienceGit Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Front-End DevelopmentJavaScript ProficiencyUnit TestingIntegration TestingCode Quality AssuranceWeb Performance OptimizationAccessibility StandardsRedux ExperienceCypress ExperienceCI/CD Experience

Soft Skills

CollaborationTechnical Decision-MakingCode Review Participation

Tools & Technologies

React Testing LibraryNext.jsAgile MethodologiesScrum Ceremonies

Industry Keywords

Media IndustryContent IndustryStreaming Industry

Tech Stack

Tools & technologies

CypressJavaScriptNext.jsReactReduxTypeScript

About the role

Key responsibilities & impact

Design and develop new front-end features using React.js / TypeScript
Develop reusable components and contribute to the Design System
Participate in technical decisions and the evolution of the front-end architecture
Ensure code quality, maintainability, and performance
Develop and maintain unit and integration tests
Participate in code reviews and promote development best practices
Collaborate closely with Product, UX/UI, and other development teams
Participate in Agile / Scrum ceremonies

Requirements

What you’ll need

At least 5 years of experience in front-end development
Strong proficiency in React.js
Strong proficiency in JavaScript / TypeScript
Good knowledge of front-end testing, particularly React Testing Library or an equivalent tool
Experience with Design Systems and component-based architectures
Good knowledge of Git and collaborative development environments
Strong focus on code quality, web performance, and accessibility
Experience with high-traffic consumer applications or websites is a plus
Experience with Redux or another state management solution is a plus
Experience with Cypress or an equivalent tool is a plus
Experience with CI/CD is a plus
Experience with Next.js is a plus
Experience in the media, content, or streaming industry is a plus