Warsaw, 
PLWith over 6 billion downloads and 150+ games in our portfolio, we at SayGames think big. We don’t believe in bureaucracy or complex vertical structures—but we do believe in people and creative freedom. Our approach has propelled us into the top 3 publishers worldwide, and we have no plans to slow down.
We are a data-driven company, relying on analytics, cutting-edge technologies, and expertise. But our true secret lies in our people—their boldness and experience allow us to push boundaries, experiment, make mistakes, set trends, and uncover the secrets of success.
We're looking for an Expert Data Scientist to develop advanced ML models and implement innovative AI solutions to solve complex business challenges across our gaming and advertising platforms.
Responsibilities
Implement, configure, and maintain predictive models, recommendation systems, etc.
Collaborate with other departments to integrate trained models into the development pipeline
Assist business decision-making through data analysis
Conduct exploratory research and identify suitable ML algorithms for solving business challenges
Discuss business tasks and translate them into data science problems
Present results
Requirements
Proficient in SQL, Python (sklearn, pandas, numpy, scipy)
5+ years of experience in Data Science
Successful practical application of ML models
Deep understanding of key ML algorithms
Strong mathematical background
Experience with machine learning frameworks - Tensorflow/PyTorch
Experience in deployment - Airflow/MLflow
Experience working with Docker/Docker Swarm
Would be an advantage:
Experience in the gaming industry/e-commerce/advertising networks
Experience with Clickhouse
Ability to visualize data in Tableau
Skill in process automation
Conditions
Hybrid work format—cozy offices in Limassol, Paphos, or Warsaw. Remote work is up for discussion
Flexible schedule—work at your own pace as long as you stay in touch with the team and get things done on time
Support for self-development—free English & Polish (or Greek) courses, conference and course reimbursements
Health benefits—medical insurance for you and your family, plus a sports allowance
Top-tier equipment—we’ll set you up with the best devices for a smooth workflow