{"id":3276662,"url":"https://alion.io/job/sii-data-scientist-with-ml-fmx-3","title":"Data Scientist with ML (f/m/x)","company":{"id":1387,"name":"Sii","domain":"sii.pl","url":"https://alion.io/company/sii","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Białystok, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":70000,"max_usd":105000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":71},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ETL/ELT","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"NumPy","optional":true},{"name":"Pandas","optional":true},{"name":"Scikit-learn","optional":true},{"name":"Statsmodels","optional":true}],"status":"live","first_seen_at":"2026-10-26T11:05:16Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-31T06:54:47Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"This translation is generic and may include errors.\nShow original text\n\nThis offer base language is English.\nTranslate into Polish.\nTechnologie i narzędzia\nWymagane\n\nSQL\n\nPython\n\nETL\n\nMachine Learning\n\nModele predykcyjne\n\nMile widziane\nPandas\nNumPy\nScikit-learn\nStatsmodels\nSzukamy doświadczonego Data Scientist, który potrafi budować modele predykcyjne. Dołączysz do nowo utworzonego zespołu analitycznego w wiodącej globalnej firmie w branży tytoniowej, kształtując sposób, w jaki dane napędzają strategię konsumencką i wydajność marketingową. Twoja praca skoncentruje się na modelowaniu predykcyjnym, wnioskach konsumenckich oraz przekładaniu analiz na praktyczne decyzje biznesowe. Jeśli chcesz, aby Twoje modele naprawdę miały wpływ, ta rola jest dla Ciebie.\nTwoje zadania\nBudowanie i optymalizacja modeli predykcyjnych (np. churn, propensity, segmentacja, CLV, rekomendacje)\nAnaliza danych konsumenckich i marketingowych z różnych źródeł\nModelowanie i optymalizacja ścieżek klienta z wykorzystaniem technik AI/ML\nWspółpraca z zespołami marketingowymi i produktowymi w celu określenia priorytetów analitycznych\nPrzekładanie złożonych wyników analitycznych na jasne rekomendacje biznesowe\nDostarczanie wyników analitycznych wraz z praktycznymi wskazówkami dla zespołów biznesowych\nPrzygotowywanie wysokiej jakości prezentacji, raportów i wizualizacji danych dla nietechnicznych interesariuszy\nŚledzenie wydajności modeli i mierzenie wpływu na KPI marketingowe oraz P&L\nIdentyfikowanie nowych możliwości wzrostu opartego na danych i promowanie podejmowania decyzji na podstawie danych w całej organizacji\nWymagania\nMinimum 5-letnie doświadczenie jako Data Scientist\nSilna znajomość SQL - umiejętność pisania złożonych zapytań, łączenia dużych zbiorów danych i przygotowywania danych do modelowania\nZnajomość Pythona (biblioteki takie jak pandas, numpy, scikit-learn, statsmodels lub podobne) - skupienie na analizie danych, modelowaniu i walidacji wyników\nDoświadczenie w pracy z dużymi zbiorami danych i procesami ETL\nUmiejętność pracy z danymi biznesowymi i interpretacji wyników analitycznych\nUwzględnienie jakości kodu i powtarzalności analiz\nUmiejętność skutecznej komunikacji w języku angielskim w międzynarodowym środowisku\nMile widziane\nEkspertyza w dziedzinie analityki marketingowej i konsumenckiej\nDobre zrozumienie modeli segmentacji (klasteryzacja, scoring, profilowanie klientów) oraz modeli predykcyjnych (propensity, churn, LTV)\nPodstawowa wiedza na temat walidacji modeli i metryk wydajności (AUC, lift, macierz pomyłek)\nNr oferty JOB-CRWQD\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.\nTechnologies & tools\nMust have\n\nSQL\n\nPython\n\nETL\n\nMachine Learning\n\nPredictive Models\n\nNice to have\nPandas\nNumPy\nScikit-learn\nStatsmodels\nWe’re looking for an experienced Data Scientist skilled in building predictive models. You will join a newly formed analytics team inside a leading global company in the tobacco industry, shaping how data drives consumer strategy and marketing performance. Your work will focus on predictive modeling, consumer insights, and translating analytics into actionable business decisions. If you want your models to truly ‘move the needle’, this role is for you.\nYour tasks\nBuild and optimize predictive models (e.g., churn, propensity, segmentation, CLV, recommendations)\nAnalyze consumer and marketing data across multiple sources\nModel and optimize customer journeys using AI/ML techniques\nCollaborate with marketing and product teams to define analytical priorities\nTranslate complex analytical findings into clear business recommendations\nDeliver analytical outputs together with actionable usage guidance for business teams\nPrepare high-quality presentations, reports, and data visualizations for non-technical stakeholders\nTrack model performance and measure business impact on marketing KPIs and P&L\nIdentify new opportunities for data-driven growth and champion data-based decision-making across the organization\nRequirements\nMinimum 5 years of experience as a Data Scientist\nStrong proficiency in SQL - ability to write complex queries, join large datasets, and prepare data for modeling\nProficiency in Python (libraries such as pandas, numpy, scikit-learn, statsmodels, or similar) - focus on data analysis, modeling, and result validation\nExperience working with large datasets and ETL processes\nAbility to work with business data and interpret analytical results\nAttention to code quality and reproducibility of analyses\nAbility to communicate effectively in English in an international environment\nNice to have\nExpertise in the marketing and consumer analytics domain\nGood understanding of segmentation models (clustering, scoring, customer profiling) and predictive models (propensity, churn, LTV)\nBasic knowledge of model validation and performance metrics (AUC, lift, confusion matrix)\nJob no. JOB-CRWQD\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.","description_format":"text","description_chars":5379,"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":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Engineering Services","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-10-26T14:57:28Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":4,"expected_fill_days":27,"reasons":["conf:3","velocity","win:early","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/sii-data-scientist-with-ml-fmx-3","json_url":"https://alion.io/job/sii-data-scientist-with-ml-fmx-3.json","meta":{"generated_at":"2026-10-31T09:42:09Z","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":14715,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":1387},"rest":"https://alion.io/mcp/rest/get_company?id=1387"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsii-data-scientist-with-ml-fmx-3"},{"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%2Fsii-data-scientist-with-ml-fmx-3"},{"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%2Fsii-data-scientist-with-ml-fmx-3"},{"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/sii-data-scientist-with-ml-fmx-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsii-data-scientist-with-ml-fmx-3"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3276662}},{"tool":"search_jobs","arguments":{"company":"sii.pl","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3276662},"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"}}