Senior Data Scientist: Predictive Modeling & ML

Sii Sp. z o.o.

Bydgoszcz

Hybrid

PLN 180,000 - 280,000

Full time

14 days+
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Benefits offered by this job

Private healthcare
Benefits cafeteria platform
Car discounts
Remote work
Meetups, webinars, training platform

Job summary

Sii Sp. z o.o. in Bydgoszcz is seeking an experienced Data Scientist with ML to join an analytics team within a global company in the tobacco industry. You will build and improve predictive models and translate insights into business actions.

You will collaborate with marketing and product teams, handling large datasets and ETL processes, and ensure analyses are reproducible and well-communicated in English for an international audience.

Qualifications

  • Minimum 5 years of experience as a Data Scientist.
  • Strong proficiency in SQL with complex queries and large datasets.
  • Proficiency in Python with libraries like pandas, numpy, scikit-learn, statsmodels.
  • Experience with large datasets and ETL processes.
  • Ability to communicate in English in an international environment.

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.

Skills

SQL
Python
ETL
Machine Learning
Predictive Models

Tools

Pandas
NumPy
Scikit-learn
Statsmodels

Job description

Sii Sp. z o.o. in Bydgoszcz is seeking an experienced Data Scientist with ML to join an analytics team within a global company in the tobacco industry. You will build and improve predictive models and translate insights into business actions.

You will collaborate with marketing and product teams, handling large datasets and ETL processes, and ensure analyses are reproducible and well-communicated in English for an international audience.

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