Senior Data Scientist (m/f/d)

August 30, 2026

Hybrid

Senior

Warsaw, Poland

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Description

As a Senior Data Scientist at Flix, you own causal measurement practice, designing experiments for marketing budget allocation. You work with cross-functional teams to drive smarter choices using econometric techniques.

Gender markers in the title: (m/f/d)

In accordance with European anti-discrimination legislation, this job is open to all candidates

Mmale

Ffemale

Ddiverse

Responsibilities

Design and execute geo-based and time-based experiments
Apply causal inference techniques for marketing measurement
Build and manage a structured test-and-learn programme
Contribute to attribution model development
Communicate complex findings to stakeholders
Review and document experiment standards

Requirements

Master's or PhD in Statistics, Econometrics, or related field
5+ years experience in data science or quantitative research
Expertise in causal inference methods like difference-in-differences
Proficiency in Python, SQL, Power BI
Experience with Git, BigQuery, Snowflake

Conditions

Travel perks with free and discount vouchers
Ability to work from anywhere for up to 60 days per year
Hybrid work model with office-first approach
Wellbeing support including counselling and courses
Learning opportunities and mentoring program

PythonSQLPower BIBigQuerySnowflaketransportationMarketing measurement experienceMedia mix modellingBayesian methods

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