{"id":3096497,"url":"https://alion.io/job/exemple-data-engineer-freelance-hf","title":"Data Engineer Freelance - H/F","company":{"id":2689621,"name":"Exemple","domain":"exemple.com","url":"https://alion.io/company/exemple-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"freelance","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":{"min_usd":49000,"max_usd":84000,"period":"year","method":"role_country_seniority_unknown","sample_n":184},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"Azure Data Factory","optional":false},{"name":"Fivetran","optional":false},{"name":"LLM","optional":false},{"name":"MS SQL","optional":false},{"name":"pySpark","optional":false},{"name":"SharePoint","optional":false},{"name":"Snowflake","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-22T15:28:49Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-30T02:28:22Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Le projet en quelques mots :\nL’équipe Data Platform construit et maintient les infrastructures et les pipelines de données qui rendent la donnée fiable, accessible et exploitable pour alimenter les analyses et les produits des équipes.\nNous accompagnons l'équipe Data Platform dans le cadre du basculement de la plateforme analytique de notre filiale britannique (actuellement sur Azure Synapse) vers le stack data de l'entreprise : Snowflake, Fivetran et Airflow (MWAA).\nL'enjeu principal est d'assurer une migration efficace selon le principe « migrate first, improve second » : on traduit et bascule d'abord le code existant en natif Snowflake avant d'envisager des chantiers de refonte avec les équipes sur place.\nTes missions :\nReprise des pipelines et flux d'ingestion : Traiter les 15 pipelines Azure Data Factory (sources variées : API SaaS, bases SQL Server, SharePoint, fichiers) en reconstruisant l'ingestion via Fivetran / CDC ou via des scripts d’extractions incrémentales.\n\nRéécriture de code : Convertir environ 200 procédures stockées T-SQL vers Snowflake (ainsi qu'une couche légère en Spark) en s'appuyant sur des outils LLM pour accélérer la traduction du code et la création des tests.\n\nRecette & Transfert : Réaliser les runs parallèles et la réconciliation des données pour garantir une parité parfaite avec les reportings actuels. Assurer la documentation et le transfert de connaissances auprès de l'équipe UK.\n\nTon profil :\nSolide maîtrise de Snowflake et Airflow.\n\nExpérience pratique sur la réécriture de procédures stockées T-SQL / MS SQL vers Snowflake (SCD2, transactions, boucles, MERGE).\n\nPratique récente des LLM pour traduire du code et générer des tests sur un projet de migration.\n\nMaîtrise des sujets d'ingestion incrémentale (delta / watermark).\n\nAnglais courant (échanges réguliers avec l'équipe UK à prévoir).\n\nAutonomie et posture proactive.\n\nLes plus : Connaissances sur Spark/PySpark, Fivetran, Azure Synapse ou Data Factory.\n\nInformations pratiques/Process :\nLieu/Rythme: La Défense (2 jours par semaine sur site) + Télétravail.\n\nDurée : Mission de 3 mois (démarrage fin octobre, renouvellement possible).\n\nTJM : entre 600 et 750 maximum selon seniorité\n\nParcours de recrutement : premier entretien avec Chloé notre tech recruiter, second entretien avec Paul le N+1.","description_format":"text","description_chars":2310,"description_truncated":false,"requirements":{"experience_years_min":null,"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":[],"lifecycle":[{"event":"open","at":"2026-10-22T16:21:39Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.851,"p_room":1,"age_days":6,"expected_fill_days":24,"reasons":["conf:0","win:early"],"computed_at":"2026-10-29T05:49:05Z"},"pay":null,"html_url":"https://alion.io/job/exemple-data-engineer-freelance-hf","json_url":"https://alion.io/job/exemple-data-engineer-freelance-hf.json","meta":{"generated_at":"2026-10-30T03:42:07Z","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":4995,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":2689621},"rest":"https://alion.io/mcp/rest/get_company?id=2689621"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fexemple-data-engineer-freelance-hf"},{"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%2Fexemple-data-engineer-freelance-hf"},{"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%2Fexemple-data-engineer-freelance-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/exemple-data-engineer-freelance-hf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fexemple-data-engineer-freelance-hf"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3096497}},{"tool":"search_jobs","arguments":{"company":"exemple.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3096497},"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"}}