{"id":2016461,"url":"https://alion.io/job/hexateam-developpeur-backend-net","title":"Développeur backend .NET","company":{"id":3909481,"name":"Hexateam","domain":"hexateam.fr","url":"https://alion.io/company/hexateam-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":44000,"max":56000,"currency":"EUR","period":"year","gross":null,"usd_annual":63015},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false},{"name":"RabbitMQ","optional":false}],"status":"live","first_seen_at":"2026-09-22T12:29:27Z","employer_posted_date":null,"last_verified_at":"2026-09-22T12:29:27Z","board_verified":false,"closed_at":null,"days_open":36,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":36},"description":"Vous rejoignez une équipe en charge de l’évolution d’une plateforme SaaS B2B à forte volumétrie, dans un environnement multi-tenant et distribué.\nVous participez à la modernisation progressive de composants existants et au développement de nouvelles briques techniques. Votre rôle consiste à renforcer la robustesse, la performance, la maintenabilité et l’observabilité de la plateforme.\nVous intervenez notamment sur :\nLa conception et l’évolution de composants backend en .NET/C#.\n\nLa modularisation progressive d’une architecture applicative existante.\n\nLes choix d’architecture et leur documentation.\n\nL’évolution des accès aux données, des traitements asynchrones et des pipelines.\n\nL’amélioration de la performance et de la scalabilité des services.\n\nLa mise en place d’une observabilité de bout en bout : logs, métriques et traces.\n\nLa qualité des livraisons : tests, versioning sémantique, documentation et release notes.\n\nLe support aux diagnostics de production et aux analyses post-incident.\n\nProfil recherché\nProfil recherché\nVous êtes un·e ingénieur·e logiciel senior, autonome et pragmatique. Vous savez intervenir sur un existant complexe, identifier les priorités techniques et améliorer progressivement une application sans chercher à tout réécrire.\nVous êtes à l’aise pour échanger avec des profils Software Engineering, DevOps et Produit. 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