Data Scientist
Core
Develop and deploy machine-learning models for real-time advertising requests, processing terabytes of data to improve product performance and deliver business outcomes.
Role type
Senior IC data scientist (ad-tech)
Builds
Scalable machine-learning models and data science products for programmatic advertising
Domain
Ad-Tech / Large-scale machine learning
Deliverable
production ML models
Required skills
Python, Spark, Hadoop, Airflow, Docker, SQL, supervised/unsupervised learning algorithms, A/B testing design, statistical evaluation, sparse/large-scale dataset handling
Preferred skills
Gradient Boosting Trees (CatBoost, LightGBM), neural-network-based products, reinforcement learning, large-scale optimization
Technologies
CatBoost, LightGBM, Spark, Hadoop, Airflow, Docker
Responsibilities
Develop and maintain data science products from research to production; enhance existing ML models with new features and parameters; collaborate with ML engineering teams to deploy scalable algorithms; explore data sources to improve model performance; research and evaluate new ML approaches; design and run A/B tests; build monitoring dashboards and SQL tools; write clean, reproducible code.
Seniority
Senior, hands-on IC
