TL;DR

Senior Frontend Developer (React): Building and maintaining scalable, accessible, and high-performance client-side interfaces within a cross-functional squad. Focus on optimizing web application architecture, implementing complex state management, and ensuring pixel-perfect design standards in a collaborative environment.

Location: Paris, France. This is a hybrid role requiring at least 2 days per week in the office.

Salary: €55,000–€69,000 per year

Company

Welcome to the Jungle is a digital platform dedicated to transforming the professional experience through high-quality content and innovative recruitment solutions.

What you will do

  • Develop and maintain scalable React applications and reusable component libraries.
  • Collaborate with designers, product managers, and backend developers to implement responsive and accessible interfaces.
  • Integrate RESTful APIs and GraphQL endpoints into front-end applications.
  • Optimize application performance, bundle size, and Core Web Vitals.
  • Participate in code reviews, technical planning, and agile squad ceremonies.
  • Write maintainable, well-tested code using TDD principles to ensure high-quality delivery.

Requirements

  • 7+ years of professional front-end development experience.
  • Strong expertise in the React ecosystem (Hooks, Context, Router).
  • Proficiency in JavaScript, TypeScript, and modern ES6+ features.
  • Experience with state management (Redux, Zustand, TanStack Query).
  • Professional proficiency in both English and French.
  • Must be based in or able to commute to the Paris office at least 2 days per week.

Nice to have

  • Familiarity with GraphQL and modern build tools like Vite or Webpack.
  • Deep knowledge of WCAG/ARIA accessibility standards.
  • Experience with testing frameworks like Jest, Playwright, or Cypress.

Culture & Benefits

  • Inclusive work environment valuing diversity and equity.
  • Opportunity to work within a mission-driven, autonomous cross-functional team.
  • Support for professional growth and technical excellence.
  • Flexible work arrangements with hybrid policy.

Hiring process

  • Initial exchange with the Senior TAM.
  • At-home technical case study followed by a tech interview.
  • Values-based interview with the manager.
  • Values-based interview with a Product Team member.