Partner with our Product and Business Teams to understand their needs, translate them into data science solutions, and provide actionable insights.
Develop and implement data science solutions (ML models, GenAI products, hybrid approaches, data analytics) to optimize marketing and products strategies, enhance user experience and shape targeting.
Collaborate closely with cross-functional teams (e.g. other Data&AI teams, Technology teams) to ensure seamless integration of data-driven initiatives.
Stay ahead of the curve exploring cutting-edge methods and being on top of new trends in Data Science & AI.
Communicate insights and recommendations to the management and business teams, and other data community members.
Conduct end-to-end data products: exploring business needs (skills: understanding business, communication), analyze problems and propose thesis (data analytics), develop a solution (skills: hands-on ML/AI), present insights and results (skills: communication, translating technical stuff to non-technical people, ppt/BI), maintain the solution (skills: basic BI skills, model monitoring).

Bachelor’s or Master’s degree in a relevant field, e.g. Data Science, Computer Science, Mathematics, Econometrics
At least 3 years of commercial experience as a Data Scientist
Consulting and marketing analytics experience are a plus
Proficient in Polish and English (other languages knowledge is a plus)
Excellent knowledge of ML solutions and their impact on business and user experience (clustering, recommender systems, regression, classification, etc.)
Hands-on experience with working with large amounts of data
Proficiency in Python 3, as well as ML and data analysis libraries (e.g. Pandas, Numpy, Scipy, Scikit-learn, Statsmodels, TF/Pytorch, etc.)
Experience in writing well-structured code: functions, classes, modules
Knowledge and experience in PySpark, relational databases, cloud solutions (e.g. Databricks, Azure, GCP, AWS, Snowflake)
Experience in leveraging CI/CD pipelines in data-based products (nice to have)
Experience with data pipeline frameworks, preferably Kedro (nice to have)
Experience with CLI tools: bash/zsh (nice to have)

Your work will directly influence strategic decisions and operational efficiencies across multiple international markets.
Be part of the team that's pushing boundaries of data analytics, working with the latest technologies and methodologies.
This role offers unparalleled opportunities for professional development in a data-driven, technology-forward environment.
Engage with cross-functional teams, share knowledge and best practices, fostering a culture of continuous learning and improvement.

Senior Data Scientist – Personalisation

Key skills