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Lead Machine Learning Engineer (Personalization & AI Models)
EPAM Systems
Remote · UkraineSalary not disclosedfull-timeEPAM Systems Careers (remote abroad)
We are seeking a Lead Machine Learning Engineer (Personalization & AI Models) to pioneer the building and optimization of user segmentation, recommendation, and embedding models within our expansive personalization system for a Mobile App. The focus areas will include multi-vector representations, real-time model inference, and the integration of personalization workflows with cutting-edge technologies including AWS Personalize SDK, PGVector, and RudderStack.
Responsibilities
- Develop and optimize embedding models using sentence-transformer models for user profiles and personalization
- Implement KNN-based recommendation systems for real-time content scoring and ranking
- Utilize AWS Personalize SDK to train and deploy machine learning models that dynamically adapt to user behavior
- Integrate embedding models with Databricks, RudderStack, and AWS services to ensure real-time profile updates
- Fine-tune ML models aimed at boosting revenue predictions, enhancing user engagement, and refining audience segmentation
- Optimize PGVector and Redis for efficient vector-based lookups and caching
- Collaborate with data engineers to devise ML pipelines for robust training, validation, and deployment processes
Languages
- Work format
- Remote
- Seniority
- Lead
- Posted
- 29 Sept 2026
- Last verified
- In the last 5 days
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