{"id":2027263,"url":"https://alion.io/job/warren-walter-lead-growth-developeur-full-stack-reactjava-kotlin","title":"Lead Growth Developeur Full Stack (React/Java-Kotlin)","company":{"id":3908725,"name":"Warren Walter","domain":"warren-walter.com","url":"https://alion.io/company/warren-walter","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Puteaux, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75000,"max":80000,"currency":"EUR","period":"year","gross":null,"usd_annual":90022},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"CI/CD","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-08-19T15:10:34Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-10T01:39:41Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":51},"description":"Rejoignez une entreprise leader dans le secteur des services de mobilité urbaine en tant que Lead Growth Développeur Full Stack. Vous serez responsable de la conception, de l'évolution et de l'optimisation d'une plateforme digitale stratégique BtoC et BtoB. Vous travaillerez en étroite collaboration avec une équipe pluridisciplinaire et aurez un impact direct sur l'amélioration des parcours utilisateurs et la performance globale du produit.\nMissions\nConcevoir et faire évoluer l’architecture logicielle de la plateforme, développer des fonctionnalités end-to-end.\nContribuer au Product Discovery : analyse des besoins, exploration des solutions, priorisation et mesure d’impact.\nGarantir la qualité du code : tests, bonnes pratiques, robustesse, documentation et maintenabilité.\nProfil recherché\n### Compétences techniques* Au moins **8 ans d’expérience** en développement logiciel, avec une forte dimension full stack.\n* Solide expertise en développement backend, notamment en **Java / Kotlin**.\n* Bonne maîtrise des frameworks frontend modernes, notamment **React.js / Next.js**.\n* Expérience confirmée dans la conception et l’évolution d’architectures logicielles robustes, scalables et maintenables.\n* Capacité à concevoir des modèles de 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