Position: Senior Data Scientist
Company: Grid Dynamics
Experience required: 5y
English level: upper

The Bidder should compute Google Ads bid-values to maximize some target. The target function is synthetic profit based on the difference between forecasted totals which will be obtained in the future from customers and cost calculated as the number of forecasted clicks multiplied by the recommended cost per click (CPC). Totals are aligned to the Google Ads items clicked by customers.

Responsibilities:

- Ability to lead the project.
- Design a new solution architecture for customer clusterization and prediction analysis.
- Drive the collection, cleaning, processing and analysis of new and existing data sources.
- Communicate with business stakeholders to clarify their requirements and present the teamwork results

Requirements:

- Seasoned data scientist with 5+ years of experience.
- Good knowledge of probability theory and statistics.
- Understanding of Bayesian methods, MCMC.
- Hands-on experience with probabilistic programming (Pyro, PyMC3, JAGS, or similar).
- Experience with classical learning (linear regression, logistic  regression, gradient boosting).
- Hands-on experience with Neural networks (RNNs - LSTM, GRU).
- Experience with Python 3, pandas, sklearn, statsmodels, scipy, XGBoost, LightGBM , matplotlib, seaborn, pytorch, flask.
- Airflow, MySQL, Grafana.
- Good communication skills and interpersonal skills.
- Experience in working across different global cultures a plus.
- Ph.D. in Mathematics will be a plus.

We offer:

- Opportunity to work on bleeding-edge projects
- Work with a highly motivated and dedicated team
- Flexible schedule
- Medical insurance
- Benefits program
- Corporate social events
- Professional development opportunities