Lead Data Scientist / Data Analyst
EPAM Systems
Job description
About the role
We are looking for a Lead Data Scientist / Data Analyst to design, validate, and integrate scalable machine‑learning solutions that standardize clinical signalment attributes and generate health‑predisposition insights within high‑volume data pipelines.
Key responsibilities
- Lead the design and delivery of optimized classification models for species, gender, breed, weight, and age.
- Build health‑predisposition insight models using standardized attributes and governed ontologies.
- Apply a deterministic‑first approach, using ML for high‑ambiguity cases and defining class‑frequency tiers, calibrated thresholds, and comprehensive evaluation plans.
- Produce confidence scores, method traces, exception flags, and model versioning artifacts; create model cards and documentation for governance and production transition.
- Validate performance across common, rare, ambiguous, and clinically significant cases using appropriate metrics.
- Implement training and evaluation pipelines in Databricks with MLflow tracking and reproducible builds.
- Collaborate with SMEs to refine labels, interpret validation feedback, and support integration into production pipelines.
Required profile
- 5+ years of experience in data science and machine learning for classification problems.
- Proven lead‑level ownership of end‑to‑end model delivery from prototyping through stabilization.
- Strong project execution skills in fixed‑scope, milestone‑driven delivery with multiple parallel model tracks.
- Advanced English proficiency (C1+ level) and excellent communication with domain experts.
Required skills
- Hands‑on Python for feature engineering, training, and evaluation.
- Databricks and MLflow experience for reproducible training, evaluation, and model versioning.
- Computer vision and natural language processing techniques for fuzzy matching and embedding‑based approaches.
- Knowledge of OMOP Common Data Model and SNOMED CT Veterinary Extension concept‑mapping.
- Expertise with classification metrics for imbalanced data (PR AUC, per‑class F1, balanced accuracy) and calibrated probability reliability diagrams.
What we offer
- International projects with top brands and global career opportunities.
- Healthcare benefits, employee financial programs, paid time off and sick leave.
- Upskilling, reskilling and certification courses with unlimited LinkedIn Learning access.
- A supportive, award‑winning culture recognized by Glassdoor, Newsweek and LinkedIn.
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Published 3 days ago
Expires 1 month from now
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