{"id":2499061,"url":"https://alion.io/job/sander-node-js-backend-developer-biotech","title":"Node.js Backend Developer | BioTech","company":{"id":4413056,"name":"Sander","domain":"wearesander.com","url":"https://alion.io/company/sander-3","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Clean Architecture","optional":false},{"name":"Dependency Injection","optional":false},{"name":"GraphQL","optional":false},{"name":"Laravel","optional":false},{"name":"Node JS","optional":false},{"name":"PHP","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-13T05:15:02Z","employer_posted_date":null,"last_verified_at":"2026-10-13T05:15:02Z","board_verified":false,"closed_at":null,"days_open":13,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":13},"description":"Reprenez les fondations d’une plateforme en pleine évolution et construisez une architecture backend robuste en Node.js & TypeScript.\nNotre partenaire est une entreprise technologique belge en croissance qui développe sa propre plateforme digitale et poursuit aujourd’hui une transformation importante de son architecture.\nL’enjeu : moderniser une plateforme existante et construire des fondations plus modulaires, fiables et évolutives pour accompagner les prochaines étapes du produit.\nVous rejoindrez un environnement où les développeurs ont une véritable influence sur les choix d’architecture, la qualité du code et les décisions techniques, tout en continuant à faire évoluer une solution utilisée en production.\nVous développerez sur des projets européens et votre code participera au développement des cultures bio sur le territoire.\nNode.js Backend Developer | Le rôleConcevoir et développer une nouvelle architecture backend en Node.js / TypeScript, en appliquant notamment Clean Architecture et Domain-Driven Design.\nParticiper à la modernisation progressive du legacy et migrer des règles métier critiques vers la nouvelle architecture.\nConcevoir des API REST, modèles de données et mécanismes event-driven destinés aux futures intégrations.\nCollaborer sur des fonctionnalités data-driven, impliquant des volumes de données importants et des modèles complexes.\nRenforcer les pratiques d’engineering, testing et architecture à travers le développement, les code reviews et les discussions techniques.\nMaintenir et faire évoluer lorsque nécessaire les environnements Node.js et PHP/Laravel existants.\n\nNode.js Backend Developer | Le profilVous disposez d’au moins 5 ans d’expérience en développement logiciel, avec une expérience significative en backend.\nVous possédez une solide expérience professionnelle avec Node.js & TypeScript en production.\nVous avez déjà appliqué concrètement des concepts tels que Clean Architecture, DDD, Event-Driven Architecture, CQRS ou Dependency Injection.\nVous maîtrisez les API REST, SQL, Data Modelling et stratégies de tests. 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