{"id":3686037,"url":"https://alion.io/job/alten-ai-data-scientist-hf","title":"AI Data Scientist (H/F)","company":{"id":52934,"name":"ALTEN","domain":"alten.com","url":"https://alion.io/company/alten-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":91,"ghost_share":0,"stale_share":0.967,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-09T06:03:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boulogne-Billancourt, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Computer Vision","optional":false},{"name":"GCP","optional":false},{"name":"Gemini","optional":false},{"name":"Git","optional":false},{"name":"LangChain","optional":false},{"name":"LightGBM","optional":false},{"name":"Llama","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"NumPy","optional":false},{"name":"OpenAI","optional":false},{"name":"Pandas","optional":false},{"name":"Power BI","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Scikit-learn","optional":false},{"name":"Spark","optional":false},{"name":"Tableau","optional":false},{"name":"TensorFlow","optional":false},{"name":"XGBoost","optional":false}],"status":"closed","first_seen_at":"2026-11-03T12:32:16Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T19:16:38Z","board_verified":false,"closed_at":"2026-11-06T19:16:38Z","days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"Créé il y a plus de 35 ans et présent dans plus de 35 pays, ALTEN est le leader européen de l'Ingénierie et du Conseil en Technologies. Le Groupe accompagne les plus grandes entreprises dans leurs projets d'innovation, de transformation digitale et de développement de solutions technologiques à forte valeur ajoutée.\nAvec plus de 60 000 collaborateurs dans le monde, ALTEN intervient sur des projets stratégiques dans des secteurs variés : Banque & Assurance, Télécoms, Énergie, Industrie, Aéronautique, Spatial, Défense, Retail, Transport ou encore Santé.\n Dans le cadre de notre croissance, nous recherchons un(e) AI Data Scientist pour contribuer au développement de solutions d’Intelligence Artificielle à forte valeur ajoutée.\nVos missions\nConcevoir, développer et déployer des modèles de Machine Learning et d'Intelligence Artificielle.\nExploiter et valoriser des données structurées et non structurées.\nParticiper à la création de solutions d'IA générative basées sur des LLM.\nDévelopper des pipelines de traitement et d'analyse de données.\nRéaliser des expérimentations afin d'améliorer les performances des modèles.\nCollaborer avec les équipes Data Engineering, Cloud et métiers.\nAssurer le suivi, l'évaluation et l'optimisation des modèles en production.\nEnvironnement technique\nPython\nMachine Learning : Scikit-learn, XGBoost, LightGBM\nDeep Learning : TensorFlow, PyTorch\nIA Générative : OpenAI, Gemini, Llama, LangChain\nTraitement de données : Pandas, NumPy, Spark\nCloud : GCP, AWS ou Azure\nData Visualisation : Power BI, Tableau\nVersioning : Git\n Profil recherché\nDiplômé(e) d'une école d'ingénieurs ( Bac+5) ou d'un Master 2 en Data Science, IA ou mathématiques appliquées.\nMinimum 3 ans d'expérience en Data Science ou Intelligence Artificielle.\nExcellente maîtrise de Python et des algorithmes de Machine Learning.\nExpérience sur des projets d'IA générative, NLP ou Computer Vision appréciée.\nBonne connaissance des environnements Cloud et des bonnes pratiques MLOps.\nEsprit analytique, autonomie et sens du travail en équipe.\n Pourquoi nous rejoindre ?\nIntervenir sur des projets innovants en Intelligence Artificielle.\nTravailler au sein d'équipes expertes en Data, Cloud et IA.\nAccéder à des formations et certifications de pointe.\nBénéficier d'opportunités d'évolution rapides au sein du Groupe.","description_format":"text","description_chars":2316,"description_truncated":false,"requirements":{"experience_years_min":3,"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":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-03T14:57:26Z"},{"event":"close","at":"2026-11-06T19:16:38Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/alten-ai-data-scientist-hf","json_url":"https://alion.io/job/alten-ai-data-scientist-hf.json","meta":{"generated_at":"2026-11-09T07:50:12Z","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":5518,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":52934},"rest":"https://alion.io/mcp/rest/get_company?id=52934"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Falten-ai-data-scientist-hf"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Falten-ai-data-scientist-hf"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Falten-ai-data-scientist-hf"},{"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/alten-ai-data-scientist-hf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Falten-ai-data-scientist-hf"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3686037}},{"tool":"search_jobs","arguments":{"company":"alten.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3686037},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}