{"id":2024009,"url":"https://alion.io/job/meia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python","title":"Ingénieur·e logiciel back-end senior (Ruby on Rails / Python)","company":{"id":3784687,"name":"Sêmeia","domain":"semeia.io","url":"https://alion.io/company/semeia","size_band":"11-50","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":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toulouse, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":50000,"max":70000,"currency":"EUR","period":"year","gross":null,"usd_annual":78769},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Datadog","optional":false},{"name":"Flask","optional":false},{"name":"JavaScript","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"SQL","optional":false},{"name":"SQLAlchemy","optional":false},{"name":"Ruby","optional":true}],"status":"live","first_seen_at":"2026-09-16T08:26:04Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-20T17:57:14Z","board_verified":true,"closed_at":null,"days_open":34,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":34},"description":"Rejoignez notre équipe Clinical en tant qu'ingénieur·e logiciel back-end senior. Vous serez responsable de la conception et de l'implémentation de fonctionnalités cliniques, en collaboration étroite avec l'équipe produit. Vous devez avoir plus de 5 ans d'expérience en Ruby on Rails et/ou Python/Flask, ainsi qu'une expertise en SQL et optimisation de requêtes. Une connaissance du milieu médical est un plus, mais l'envie d'apprendre est essentielle.\nMissions\nConcevoir et implémenter des fonctionnalités robustes et maintenables pour les stacks Ruby on Rails/PostgreSQL et Python/Flask/PostgreSQL.\nGarantir la fiabilité des algorithmes cliniques, la cohérence et la maintenabilité du code via les revues.\nParticiper aux décisions techniques et à l'évolution de l'architecture, en collaboration avec l'équipe produit.\nProfil recherché\nVous êtes un·e ingénieur·e logiciel avec **5+ ans d'expérience** (Ruby on Rails et/ou Python/Flask), qui aime travailler en équipe et livrer des fonctionnalités de qualité.Une connaissance du milieu médical est un plus : aucun prérequis n’est attendu, mais l’envie d’apprendre est absolument nécessaire ! Vous serez pour cela épaulé·e par le reste de l’équipe.\n### Compétences requises\n* **Back & Web** : Maîtrise d’une de nos stack back-end (Ruby on Rails et/ou Python et un framework web, idéalement Flask), avec une bonne compréhension du Web, HTML et JavaScript\n* **Base de données** : Expertise SQL et optimisation de requêtes (Active Record, SQLAlchemy ou équivalent)\n* **Qualité** : Approche rigoureuse du développement avec tests unitaires et end-to-end ; les algorithmes cliniques sont critiques pour le suivi de nos patients\n* **Collaboration** : Capacité à échanger efficacement avec les équipes Produit\n**Un plus** : Expérience avec des outils d'observabilité (Datadog, Sentry)\n### Ce qui vous motive\n* Travailler en équipe sur des fonctionnalités à fort impact\n* Contribuer à des solutions techniques de qualité\n* Avoir un impact direct sur le quotidien des soignants et patients\n* Découvrir un domaine métier exigeant","description_format":"text","description_chars":2067,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"French","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Health Data & Interoperability"],"lifecycle":[{"event":"open","at":"2026-10-07T13:25:52Z"}],"visa":[],"liveness":{"score":34,"band":"fade","label":"Fading","p_open":1,"p_active":0.621,"p_room":0.55,"age_days":33,"expected_fill_days":30,"reasons":["conf:1","win:tail"],"computed_at":"2026-10-20T05:45:00Z"},"pay":{"stated_usd_annual":78769,"is_top_pay":false},"html_url":"https://alion.io/job/meia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python","json_url":"https://alion.io/job/meia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python.json","meta":{"generated_at":"2026-10-20T20:07:58Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":23406,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3784687},"rest":"https://alion.io/mcp/rest/get_company?id=3784687"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmeia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmeia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmeia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/meia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmeia-sas-ingenieure-logiciel-back-end-senior-ruby-on-rails-python"}]}