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December 17, 2025

Data Scientist

Mid • Hybrid

$20,000 - $25,000/

Warsaw, Poland

Data Scientist


We are looking for a Data Scientist who will develop and deploy large-scale machine learning solutions that drive product performance and business growth.


Key Responsibilities

  • Building and optimizing ML models for user prediction, revenue forecasting, real-time bidding and fraud detection.

  • Deploying models to production and ensuring their high performance and scalability.

  • Investigating incidents and analyzing system behavior to identify root causes.

  • Collaborating with data scientists, engineers and product teams on end-to-end ML initiatives.

  • Using cloud-based tools and experiment platforms to manage and improve model performance.


What We’re Looking For

  • 2+ years of experience in Data Science or ML.

  • Strong Python and SQL skills; experience with cloud and distributed systems.

  • Experience in AdTech/digital marketing.

  • Ability to work independently and deliver production-grade solutions.

  • Degree in a technical field and very good English.