{"id":2013397,"url":"https://alion.io/job/weefin-senior-data-engineer","title":"Senior Data Engineer","company":{"id":173008,"name":"WeeFin","domain":"weefin.co","url":"https://alion.io/company/weefin","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":["FR"],"hiring_countries_total":1,"salary":{"min":65000,"max":70000,"currency":"EUR","period":"year","gross":null,"usd_annual":78769},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"dbt","optional":false},{"name":"NumPy","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-08-28T13:42:11Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-28T10:13:43Z","board_verified":true,"closed_at":null,"days_open":60,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":60},"description":"Rejoins WeeFin, une entreprise en pleine croissance qui révolutionne la finance. En tant que Senior Data Engineer, tu seras au cœur de la structuration et de l'optimisation de nos pipelines de données. Tu travailleras avec des volumes de données importants, organiseras des processus de calculs complexes et implémenteras les méthodologies ESG. Tu auras l'opportunité de faire évoluer ce poste vers une dimension managériale au cours de la première année.\nMissions\nConcevoir, développer et maintenir les pipelines de données, en exploitant AWS Athena et dbt.\nDévelopper des outils de monitoring et de navigation dans les données pour les autres équipes.\nAméliorer la stack technique et optimiser les performances des pipelines de données.\nProfil recherché\nTu es passionné par la data et l’optimisation des architectures cloud. Tu as une solide expérience en développement et architecture data, et tu cherches à évoluer dans un environnement technique exigeant et stimulant.* Tu as **une expérience confirmée d'au moins 8 ans en Data Engineering** dans un environnement cloud et tu sais concevoir des pipelines de données performants et scalables.\n* Tu maîtrises **Python** ainsi que ses principaux frameworks, comme pandas, numpy et AWS SDK for pandas, pour manipuler efficacement les données.\n* Tu sais **orchestrer des pipelines de données** en utilisant des outils comme dbt, AWS StepFunction, ou Airflow afin d’assurer des traitements fluides et automatisés.\n* Tu as **une connaissance approfondie des bases de données SQL et NoSQL**, telles que PostgreSQL, et tu sais choisir la meilleure solution en fonction des besoins du projet.\n* Tu as **de l’expérience en Infrastructure as Code (Terraform)** et tu sais déployer et gérer des architectures cloud de manière automatisée et sécurisée.\n* Tu comprends les **enjeux de performance et d’optimisation des coûts** dans un environnement cloud et tu sais ajuster les ressources en fonction des besoins.\n* Tu maîtrises les **bonnes pratiques de développement** et tu sais mettre en place des tests de charge pour garantir la robustesse et l’évolutivité des solutions développées.\n* Tu auras l'opportunité de faire évoluer ce poste vers une **dimension managériale** au cours de la première année, selon l'évolution de l'activité. Une expérience managériale serait donc un plus.\n**Les qualités qui feront la différence :**\n* Tu es **curieux** et tu as une forte appétence pour la data.\n* Tu as un **esprit analytique** et tu adores résoudre des problématiques complexes.\n* Tu sais **communiquer efficacement** et collaborer avec différentes équipes.\n* Tu es **rigoureux** et attentif aux détails pour garantir la fiabilité des traitements de données.\nSi tu te reconnais dans cette description et que tu veux contribuer à transformer la finance, nous serions ravis d’échanger avec toi.\n*Notre entreprise est engagée pour la diversité et l’inclusion. Toutes les candidatures sont examinées avec la même attention, dans un esprit d’équité et sans discrimination.*","description_format":"text","description_chars":3009,"description_truncated":false,"requirements":{"experience_years_min":8,"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":["Financial Software & Embedded Finance","ESG & Carbon Accounting Software"],"lifecycle":[{"event":"open","at":"2026-10-07T13:06:54Z"}],"visa":[],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.586,"p_room":0.36,"age_days":60,"expected_fill_days":35,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":78769,"is_top_pay":false},"html_url":"https://alion.io/job/weefin-senior-data-engineer","json_url":"https://alion.io/job/weefin-senior-data-engineer.json","meta":{"generated_at":"2026-10-28T11:25:11Z","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":14947,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":173008},"rest":"https://alion.io/mcp/rest/get_company?id=173008"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fweefin-senior-data-engineer"},{"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%2Fweefin-senior-data-engineer"},{"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%2Fweefin-senior-data-engineer"},{"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/weefin-senior-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fweefin-senior-data-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2013397}},{"tool":"search_jobs","arguments":{"company":"weefin.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2013397},"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"}}