Frontend Engineer

À propos At Welcome to the Jungle, we believe working is good. But thriving with the right people is better. We provide a suite of tools, content, and experiences that make recruitment more transparent, authentic, and human. We help companies build their recruitment strategy by sharing their story through employer branding, enabling them to attract, engage, and retain talent who share their values.We guide candidates to their future teams through immersive job listings and support them throughout their job search with a personalized candidate experience. Descriptif du poste As a Front End Developer, you will be responsible for designing, developing, and maintaining the client-side components, user interfaces, and user experience of our software applications. This role requires deep expertise in front-end technologies and the ability to build performant, accessible, and scalable user interfaces while collaborating effectively within an agile team environment. You will work closely with Engineering Managers, Product Managers, Back End Developers, Designers, and other team members to implement features, improve application architecture, and ensure high-quality deliverables that meet both technical and business requirements. Curious by nature, you won't hesitate to dive into back-end tasks when the context calls for it, bringing a full-stack mindset to the problems you tackle. You will be part of a cross-functional squad and will contribute to technical decisions while maintaining high standards of code quality, performance, accessibility, and user experience. Learn more about our Tech Team through our Medium Key Responsibilities Technical Development You will design, develop, and maintain scalable React applications and reusable component librariesYou will build responsive and accessible user interfaces following design systems and UI/UX best practicesYou will write clean, maintainable, and well-tested code following team standards and best practicesYou will participate in code reviews and provide constructive feedback to team membersYou will debug production issues and implement robust solutionsYou will contribute to technical documentation and architecture decisionsYou will integrate RESTful APIs endpoints into the front-end applicationYou will optimize application performance, bundle size, and loading timesYou will implement state management solutions and client-side caching strategiesYou will participate in agile ceremonies and technical planning sessions Collaboration and Innovation You will actively participate within an autonomous mission team (PM, Designer, Engineering manager, Back End Developers) to clarify priorities and user needsYou will contribute to technical discussions and architecture decisionsYou will collaborate with designers to implement pixel-perfect, accessible interfacesYou will work with back-end developers to define API contracts and data structuresYou will participate in squad rituals and team meetingsYou will handle support requests and bug fixes within agreed SLAs Quality & Best Practices You will write unit tests, integration tests, and end-to-end tests following TDD principlesYou will collaborate with QA team to ensure comprehensive test coverageYou will participate in pair programming sessions with team membersYou will monitor application performance, Core Web Vitals, and implement improvementsYou will follow accessibility standards (WCAG) and ensure inclusive user experiencesYou will contribute to continuous integration and deployment processesYou will implement error tracking, monitoring, and analyticsYou will ensure cross-browser compatibility and responsive designYou will optimize for performance: code splitting, lazy loading, image optimization Profil recherché Experience & Expertise You'd be our ideal candidate if you: 3 to 5 years of professional front-end development experienceStrong expertise in modern web application architecture and React ecosystem Technical Skills Proficient in JavaScript/TypeScript, React (Hooks, Context, Router), and modern ES6+ featuresExperienced with state management (Redux, Zustand, TanStack Query) and API integration (REST)Skilled in CSS (Modules, Styled Components, Tailwind), build tools (Webpack, Vite), and testing (Jest, React Testing Library, Playwright, Cypress)Knowledgeable in performance optimization, accessibility standards (WCAG, ARIA), responsive design, and design systems (Storybook)Comfortable with Git, CI/CD practices, and modern development workflows Soft Skills Excellent problem-solving abilities with strong attention to detailFluent in both French and EnglishCollaborative team player with product thinking and user-centric mindsetProactive in suggesting improvements with a focus on maintainable, well-documented codePassionate about user experience, accessibility, and inclusive design Welcome to the Jungle aspires to have a positive social impact, and pays particular attention to respecting diversity, inclusion and equity. Regardless of qualifications, we're looking for a passionate individual who will fit in well with the team and take responsibility for these issues. Process de recrutement Step 1: First call with our Talent Acquisition Step 2: Take-home case, followed by a technical discussion if the case is successful Step 3: Interview with our Product team in English Step 4: Interview with your future manager and a stakeholder Please note that the order of these steps is not definitive and may be adapted depending on availability and the progress of the process. Informations complémentaires Type de contrat : CDILieu : Paris Expérience : > 3 ansTélétravail partiel possibleSalaire : entre 47000€ et 58000€ / an