Senior Data Scientist

Senior Data Scientist

Company: Grid Dynamics

Location: Remote (Ukraine)

English: B2+

About the Role

We’re looking for a Senior Data Scientist to join a high-impact project focused on building large-scale forecasting systems that directly influence business decisions like demand planning, inventory optimization, and allocation.

You’ll work with a global leader in retail and consumer products, helping design and scale forecasting solutions across multiple dimensions (SKU, store, channel, time).

What You’ll Do

• Build and lead end-to-end forecasting systems across complex hierarchies
• Define modeling strategy and evaluation approaches aligned with business needs
• Design and run experiments (A/B testing, causal analysis) to measure impact
• Work with different approaches:
• Statistical models
• Machine learning / deep learning
• Hybrid models
• Apply time-series techniques (hierarchical forecasting, demand patterns, evaluation)
• Take ownership of production deployment:
• Cloud-based solutions
• Data pipelines and APIs
• Monitoring and retraining
• Collaborate with product and engineering teams to turn business needs into data solutions
• Support and mentor other data scientists

Requirements

• Strong experience with Python
• Hands-on experience with AWS (Amazon Web Services)
• Solid background in time series forecasting / forecasting models
• Good understanding of statistics and data analysis
• Experience building production ML solutions
• Upper-intermediate English (B2+)

👉 AWS and time-series forecasting are must-have skills