Data Scientist with ML (f/m/x)

We’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.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications, competencies, and performance. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promote a diverse and inclusive work environment.
Your tasks
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
Requirements
Minimum 5 years of experience as a Data Scientist
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
Experience working with large datasets and ETL processes
Ability to work with business data and interpret analytical results
Attention to code quality and reproducibility of analyses
Ability to communicate effectively in English in an international environment
Nice to have
Expertise in the marketing and consumer analytics domain
Good understanding of segmentation models (clustering, scoring, customer profiling) and predictive models (propensity, churn, LTV)
Basic knowledge of model validation and performance metrics (AUC, lift, confusion matrix)
Job no. JOB-8QKUD
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
Great Place to Work
Solid financial situation
Contracts with the biggest brands
Centre of internal trainings
Many experts you can learn from
Open and accessible management team
Profit sharing
Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app
Medical care

Work arrangement
Yes