Onlano
ReactHybrid

Senior Frontend Engineer (JavaScript / React)

the Jungle - Startup

2ème Arrondissement, Paris, 🇫🇷 FranceFull-time - Senior (4-7 years)0 applicantsCloses Jun 18, 2026

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Job description

Job details

  • Location: 2ème Arrondissement, Paris
  • Work mode: Hybrid
  • Employment type: Full-time (Not an internship)
  • Salary: Salary details are available in the employer description.

Role overview

the Jungle is seeking a Senior Frontend Engineer to lead the development of client-side components and user interfaces. You'll work with modern JavaScript/React frameworks to build performant, accessible, and scalable web applications in an agile environment.

Job details

  • Location: 2ème Arrondissement, Paris
  • Work mode: Hybrid (minimum 2 days in office weekly)
  • Employment type: Full-time
  • Internship: No
  • Salary details available in employer description
  • Requires strong JavaScript/React expertise

Responsibilities

  • Design and implement responsive, accessible user interfaces
  • Collaborate with cross-functional teams to define UI requirements
  • Optimize frontend performance and maintain code quality

Requirements

  • 4+ years of professional frontend development experience
  • Expertise in React and modern JavaScript (ES6+)
  • Strong understanding of responsive design principles

Benefits

  • Agile development environment with modern tech stack
  • Professional growth opportunities in a collaborative team
  • Competitive benefits package

Keywords

ReactJavaScriptFrontendUI/UXWeb developmentAgileTypeScriptREST APIs