Data Scientist – Marketing

3 dni temu

Łódź łódzkie, łódzkie, Polska Sii Sp. z o.o. Pełny etat
Data Scientist – Marketing / Consumer AnalyticsMiejsce pracy: ŁódźYour responsibilities
  • Build and optimize predictive models (e.g., churn, propensity, segmentation, CLV, recommendations)
  • Analyze consumer and marketing data across multiple sources
  • Model and optimize customer journeys using AI/ML techniques
  • Collaborate with marketing and product teams to define analytical priorities
  • Translate complex analytical findings into clear business recommendations
  • Deliver analytical outputs together with actionable usage guidance for business teams
  • Prepare high-quality presentations, reports, and data visualizations for non-technical stakeholders
  • Track model performance and measure business impact on marketing KPIs and P&L
  • Identify new opportunities for data-driven growth and champion data-based decision-making across the organization
Our requirements
  • Minimum 5 years of experience in Data Science domain in a marketing context
  • Strong proficiency in SQL – ability to write complex queries, join large datasets, and prepare data for modeling
  • Proficiency in Python (libraries such as pandas, numpy, scikit-learn, statsmodels, or similar) – focus on data analysis, modeling, and result validation
  • Proven expertise in consumer data modelling and analysis
  • Good understanding of segmentation models (clustering, scoring, customer profiling) and predictive models (propensity, churn, LTV)
  • Experience working with large datasets and ETL processes
  • Basic knowledge of model validation and performance metrics (AUC, lift, confusion matrix)
  • Ability to work with business data and interpret analytical results
  • Attention to code quality and reproducibility of analyses
  • Fluent Polish required
  • Residing in Poland required
What we offer
  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People
Recruitment stages
  • Send your CV
  • Talk to us about your expectations
  • Learn more about our projects and choose the best
  • Start your adventure with Sii
Job Description

We’re looking for a Data Scientist who turns data into real business results — not just builds 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.

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment.

  • Salesforce Marketing Cloud Technical Consultant

    2 tygodni temu

    Łódź, łódzkie, łódzkie, Polska Sii Sp. z o.o. Pełny etat

    Salesforce Marketing Cloud Technical ConsultantMiejsce pracy: ŁódźTechnologies we useExpectedSQLAbout the projectSii is one of the leading IT services companies in Poland, known for its innovative solutions and exceptional team of professionals. We collaborate with top-tier clients across various industries. If you're passionate about Salesforce Marketing...

  • Salesforce Marketing Cloud Technical Consultant

    3 dni temu

    Łódź, łódzkie, łódzkie, Polska Sii Sp. z o.o. Pełny etat

    Salesforce Marketing Cloud Technical ConsultantMiejsce pracy: ŁódźTechnologies we useExpectedSalesforceAbout the projectSii is one of the leading IT services companies in Poland, known for its innovative solutions and exceptional team of professionals. We collaborate with top-tier clients across various industries. If you're passionate about Salesforce...

  • eCommerce Data Analyst

    7 dni temu

    Łódź, łódzkie, łódzkie, Polska Sii Sp. z o.o. Pełny etat

    eCommerce Data AnalystMiejsce pracy: ŁódźTechnologies we useExpectedGoogle AnalyticsGoogle Tag ManagerBigQueryDigital MarketingSQLMicrosoft ExcelAbout the projectAs an eCommerce Data Analyst, you will provide advanced analytical expertise and guide the organization in applying modern eCommerce analytics practices. In this role, you will drive the adoption...

  • (Assistant) Manager

    2 tygodni temu

    Łódź, łódzkie, łódzkie, Polska KPMG Pełny etat

    (Assistant) Manager - Zespół Data & CloudMiejsce pracy: ŁódźTechnologie, których używamyWymaganeMicrosoft AzureMicrosoft Power BIO projekcieW zespole Data & Cloud​ dostarczamy usługi z zakresu opracowywania strategii wykorzystania danych, wdrożenia platformy danych, rozwiązań Business Intelligence (BI) oraz zarządzania ładem danych (data...

  • CRM Campaign Analyst

    3 dni temu

    Łódź, łódzkie, łódzkie, Polska Sii Sp. z o.o. Pełny etat

    CRM Campaign AnalystMiejsce pracy: ŁódźTechnologie, których używamyWymaganeMicrosoft SQL ServerOracle ApplicationsApache HadoopMicrosoft ExcelO projekcieDołącz do projekt realizowanego dla jednego z największych banków w Polsce, w ramach którego będziesz odpowiadać za rozwój i realizację kampanii marketingowych związanych z produktami...

  • Monter systemów automatyki

    20 godzin temu

    Łódź, łódzkie, łódzkie, Polska HROSE AGENCY sp. z o.o. Pełny etat

    Monter systemów automatyki Miejsce pracy: ŁódźRekrutujemy dlaDołącz do naszego Klienta, który zajmuje się między innymi projektowaniem i wykonywaniem systemów automatyki i informatyki dla różnych branż przemysłu.Twój zakres obowiązkówWykonywanie prac instalacyjno-montażowych na obiektach Klienta (trasy kablowe, układanie i podłączanie...

  • Senior Paid Social Specialist

    1 tydzień temu

    Łódź, łódzkie, Polska Assembly Digital Commerce Pełny etat

    Location: hybrid from Poznań/Warsaw / remotely from PolandOverviewAt Assembly, our mission is to find the change that fuels growth. We apply this principle to the work we do with our clients and to how we engage with our people. We’re a modern global agency bringing together media, data, technology and talent to make brands perform. Our business is...

  • CRM Campaign Analyst

    5 dni temu

    Łódź, łódzkie, Polska Sii Pełny etat

    Dołącz do projekt realizowanego dla jednego z największych banków w Polsce, w ramach którego będziesz odpowiadać za rozwój i realizację kampanii marketingowych związanych z produktami ubezpieczeniowymi.Będziesz współtworzyć strategie komunikacji do klientów, analizować efektywność działań sprzedażowych oraz wspierać zespoły...

  • Record to Report Team Leader RTR

    1 tydzień temu

    Łódź, łódzkie, Polska Relyon Pełny etat

    Relyon is a dynamically growing company providing recruitment and consulting services that optimize business operations. Our professional team of consultants, an up-to-date database, proven recruitment and recruitment marketing tools allow us to effectively reach the best candidates and connect them with our clients. Invest in your professional development!...

  • Data Scientist

    3 dni temu

    Łódź, Polska Integral Solutions - Data & AI Pełny etat

    Analyst / Data Scientist Miejsce pracy: Łódź Forma pracy: Hybrydowa 2 dni w biurze, 3 dni zdalnie Wynagrodzenie: do 120 PLN/h Opis Stanowiska Poszukujemy specjalisty, który dołączy do zespołu naszego klienta i będzie odpowiedzialny za analizy oraz rozwój kampanii bezpośrednich wspierających sprzedaż produktów ubezpieczeniowych. Do głównych...

  • Data Scientist

    1 tydzień temu

    Łódź, Łódź Voivodeship, Polska Digica Pełny etat 40 000 zł - 80 000 zł rocznie

    DigicaareAI and Software Expertsdelivering tomorrow's AI-powered technology today.We develop intelligent software across AI domains, focusing onDeep LearninginComputer Vision, object recognition, AI on the edge, and embedded AI systems.Keywords:Machine Learning, Artificial Intelligence, Data Science, Robotics.We work with global companies and innovative...

  • Data Scientist

    1 tydzień temu

    - Łódź, Polska DIGICA Pełny etat 40 000 zł - 80 000 zł rocznie

    Company DescriptionDigica are AI and Software Experts delivering tomorrow's AI-powered technology today. We develop intelligent software across AI domains, focusing on Deep Learning in Computer Vision, object recognition, AI on the edge, and embedded AI systems.Keywords: Machine Learning, Artificial Intelligence, Data Science, Robotics.We work with global...

  • Data Scientist

    1 tydzień temu

    Łódź, Łódź Voivodeship, Polska Digica Pełny etat 40 000 zł - 80 000 zł rocznie

    Company Description Digica are AI and Software Experts delivering tomorrow's AI-powered technology today. We develop intelligent software across AI domains, focusing on Deep Learning in Computer Vision, object recognition, AI on the edge, and embedded AI systems. Keywords: Machine Learning, Artificial Intelligence, Data Science, Robotics.We work with global...

  • Data Scientist

    1 tydzień temu

    Łódź, Łódź Voivodeship, Polska Digica Pełny etat 60 000 zł - 120 000 zł rocznie

    Company Description Digica are AI and Software Experts delivering tomorrow's AI-powered technology today.Our team research, implement and commercialise intelligent software across the AI spectrum with specific focus on Deep Learning in Computer Vision (including non-visible spectra), as well as objects recognition and classification, AI on the edge and AI...

  • Data Scientist

    2 tygodni temu

    Łódź, Polska Rossmann SDP Pełny etat

    Opis stanowiska analiza i wizualizacja dużych zbiorów danych oraz prezentacja wniosków i rekomendacji wspierających kadrę zarządzającą w podejmowaniu decyzji opartych na danych (data-driven), integracja i analiza danych pochodzących z różnych źródeł – w tym danych nieustrukturyzowanych – w celu ich przekształcenia w spójne i wartościowe...

  • Data Scientist with GenAI focus

    2 tygodni temu

    Łódź, Polska Sii Poland Pełny etat

    Data Scientist with GenAI Focus Sii Poland Our client, a global leader in cloud communications and APIs, is shaping the way businesses connect with their customers worldwide. Known for cutting‑edge solutions that combine voice, messaging, video, and AI‑powered interactions, the company empowers developers and enterprises to deliver seamless, scalable...

  • Applied Scientist, Generative AI

    1 tydzień temu

    Łódź, Łódź Voivodeship, Polska Relativity Pełny etat 85 000 USD - 170 000 USD rocznie

    Posting TypeRemoteJob OverviewAre you looking for a hybrid or remote work opportunity? Are you interested in a workplace that allows for flexibility in your day? Are you ready for a workplace that provides benefits that suit your needs?Every year, the global justice system benefits from the insights of Relativity AI on billions of documents – and we are...

  • Data Scientist

    5 dni temu

    Łódź, Polska Digica Pełny etat

    Overview Digica are AI and Software Experts delivering tomorrow's AI-powered technology today. Our team researches, implements and commercialises intelligent software across the AI spectrum with specific focus on Deep Learning in Computer Vision (including non-visible spectra), as well as objects recognition and classification, AI on the edge and AI in...

  • Data Scientist

    2 tygodni temu

    Łódź, Polska Rossmann Polska Pełny etat

    Rekrutuję Profesjonalistów i Pasjonatów do Centrali Rossmann Polska