{"id":3801547,"url":"https://alion.io/job/synechron-net-developer-paris-fhx","title":".net Developer - Paris (F/H/X)","company":{"id":5306,"name":"Synechron","domain":"synechron.com","url":"https://alion.io/company/synechron","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":96,"open_postings":27,"ghost_share":0.037,"stale_share":0.148,"repost_share":0.185,"time_to_fill_p50_days":21,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-05T11:42:36Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-10T22:49:14Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Synechron est un cabinet de conseil international spécialisé dans la transformation digitale et technologique des services financiers.\nNous accompagnons les principaux acteurs de la banque, de l'assurance et des marchés de capitaux dans la conception, la transformation et la modernisation de leurs systèmes d'information, de leurs processus\nmétier et de leurs plateformes technologiques.\nNotre approche repose sur une double expertise, métier et technologique, ainsi que sur notre capacité à intervenir sur des programmes de transformation complexes, au sein d'environnements internationaux\nexigeants.\nNous recherchons un Développeur C# .NET pour participer à la conception, à l'évolution et à la maintenance d'applications métier au sein d'environnements technologiques exigeants.\nVous collaborerez avec les équipes produit, architecture, QA et DevOps pour livrer des solutions fiables et maintenables.\nVos missions\nDéveloppement applicatif\nConcevoir et développer des applications et services en C# et .NET.\nDévelopper et maintenir des API REST avec ASP.NET Core.\n Implémenter les règles métier et les accès aux données dans le respect des standards techniques.\nQualité, performance et sécurité\nParticiper aux choix d'architecture et aux revues de conception.\nRéaliser les tests unitaires et d'intégration, corriger les anomalies et améliorer la couverture de tests.\nOptimiser les performances, la sécurité et la maintenabilité des composants.\nCollaboration et déploiement\nTravailler avec les Business Analysts et les équipes de validation pour clarifier les besoins.\nContribuer aux pipelines CI/CD et aux mises en production.\nDocumenter les solutions et participer à l'amélioration continue des pratiques de développement.\nLivrables attendus\nComposants C#/.NET, services applicatifs et API documentées.\nScripts et évolutions de schémas de données selon les besoins.\nTests automatisés, corrections et documentation technique.\nPackages de livraison et contributions aux pipelines CI/CD.\n\nProfil recherché\nExpertise technique\nExpérience en développement C# et .NET, notamment ASP.NET Core.\nBonne connaissance des API REST et des bases de données relationnelles, notamment SQL Server.\nMaîtrise des bonnes pratiques de conception, de versioning et de test.\nCompétences et qualités\nConnaissance de Git et des environnements d'intégration continue.\nExpérience Azure, Docker ou microservices appréciée selon le projet.\nCapacité à analyser des problématiques techniques et à collaborer avec des équipes transverses.\nAnglais professionnel, rigueur et autonomie.\nPourquoi rejoindre Synechron ?\nRejoindre Synechron, c'est intégrer un cabinet de conseil international reconnu pour son expertise dans les services financiers et contribuer à des programmes de transformation à forte valeur ajoutée.\nVous contribuerez à la modernisation de systèmes d'information essentiels, au sein d'équipes d'ingénierie logicielle.\nVous souhaitez développer des solutions C# .NET performantes et durables dans les services financiers ?\nRejoignez nos équipes\nS YNECHRON’S DIVERSITY & INCLUSION STATEMENT\nDiversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture - promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. 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