{"id":3168658,"url":"https://alion.io/job/catamania-developpeur-frontend-react-typescript-hf","title":"DÉVELOPPEUR FRONTEND REACT / TYPESCRIPT (H/F)","company":{"id":183709,"name":"Catamania","domain":"catamania.com","url":"https://alion.io/company/catamania","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":null,"employment_type":"freelance","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Nantes, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":330,"max":400,"currency":"EUR","period":"day","gross":null,"usd_annual":112000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitLab CI","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"Linux","optional":false},{"name":"React.js","optional":false},{"name":"Redux Toolkit","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"TypeScript","optional":false},{"name":"Vitest","optional":false},{"name":"Java","optional":true},{"name":"Redux","optional":true}],"status":"live","first_seen_at":"2026-10-23T06:21:54Z","employer_posted_date":null,"last_verified_at":"2026-10-23T06:21:54Z","board_verified":false,"closed_at":null,"days_open":7,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":7},"description":"Renfort de l'équipe avec un développeur front-end React / TypeScript. Le consultant intégrera l’équipe projet Catamania et participera au développement et à l’évolution des applications web, en collaboration avec les équipes techniques et fonctionnelles.\n\nConcevoir et développer des interfaces web avec React et TypeScript.\n\nDévelopper des composants réutilisables et maintenir un code de qualité.\n\nIntégrer les maquettes UX/UI en HTML5, CSS3 et JavaScript.\n\nConsommer les API REST et assurer l’intégration avec les services back-end.\n\nDévelopper et maintenir les tests unitaires et d’intégration.\n\nCorriger les anomalies et optimiser les performances.\n\nAppliquer les bonnes pratiques d’accessibilité et de sécurité.\n\nParticiper aux revues de code, aux cérémonies Agile et aux échanges avec les équipes métier.\n\nProfil recherché\nCompétences requises\nIndispensables :\nReact.js, hooks et TypeScript.\n\nJavaScript ES6+, HTML5 et CSS3.\n\nIntégration d’API REST.\n\nGit et travail collaboratif.\n\nTests front-end (Jest, Vitest ou React Testing Library).\n\nSouhaitées :\nRedux Toolkit ou Context API.\n\nConnaissance du DSFR et du RGAA.\n\nGitLab CI/CD, Docker et environnement Linux.\n\nConnaissances Java / Spring Boot.\n\nProfil recherché\nDéveloppeur front-end confirmé, autonome et rigoureux.\n\nCapacité à travailler en équipe et dans un environnement Agile.\n\nSensibilité à la qualité logicielle, à la sécurité et à la maintenabilité.\n\nUne expérience dans le secteur public constitue un plus.","description_format":"text","description_chars":1475,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Custom Software 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