Data Scientist

Quick Facts

• Role: Data Scientist

• Location/Work model: Warsaw office-centric hybrid schedule

• Employment: Contract of Employment (UoP) in Poland

Description

Data scientists partner with Product and Business teams to ask and answer questions rigorously using experimentation, causal inference, statistical and machine learning, and data storytelling. The role focuses on measuring the impact of product changes, expanding metrics/aggregations in the data warehouse, and building models to predict customer growth trajectories. You will also support data pipeline work to keep data flowing reliably for analysis.

Responsibilities

• Design and analyze experiments to measure the impact of new product features

• Investigate high-level collaboration and customer-pattern questions

• Add metrics and aggregations to the data warehouse to enable new analyses

• Build models to predict growth trajectories of customer segments

• Collaborate with engineering, product management, and business stakeholders to drive data-informed decisions

Requirements

• Bachelor’s degree in a quantitative field (or equivalent practical experience)

• 3+ years of experience applying data science to product development/decision-making

• Strong background in statistics, mathematics, or information science

• Fluency in at least one modern data-processing language (Python or Scala)

• Proficiency with relational data modeling and SQL

• Expertise in statistical methods and experimental design/analysis

• Experience with measurement techniques for search ranking, relevance, or quality assessments

• Experience with distributed data processing systems (e.g., Spark or Redshift)

• Background in advanced statistical modeling (e.g., GLM, mixed effects) and/or machine learning

• Demonstrated curiosity about AI tools and emerging technologies

Benefits

• Base salary range: 29,000–32,900 PLN (gross monthly), depending on qualifications and interview assessment

• Compensation may include additional components such as equity and benefits

• Contract of Employment (and option of 50% tax-deductible costs for author’s rights usage in applicable roles)

• Health insurance with dental and travel coverage (Lux Med)

• Meals reimbursement for office days

• Career growth budget

• Home office setup budget

• Gym/Fitness reimbursement

• Fertility healthcare and family-forming support with Carrot

• Mental health support in Modern Health

• Group life insurance

• MacBooks with necessary accessories