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Principal Associate, Data Scientist - Recommendation & Personalization Systems

McLean, VA, US💼 Full-time💰 $161,800–$161,800🗓 2026-09-18 → 2026-09-26

Core

Architecting and deploying cutting-edge personalized recommendation engines and leveraging high-scale ML models to unlock opportunities for everyday people in their financial lives.

Role type

Principal, hands-on IC machine learning engineer (recommendation systems)

Builds

Personalized recommendation engines for Capital One's web and mobile applications

Domain

Financial services + machine learning

Deliverable

production ML models

Required skills

Causal Inference, Transformer-based architectures, Reinforcement Learning, Recommender Systems, Python, SQL, AWS, Spark, H2O, Conda

Preferred skills

Experience with open-source languages, cloud computing platforms, emerging technologies

Technologies

Python, Conda, AWS, H2O, Spark

Responsibilities

Partner with cross-functional teams to deliver customer-focused products; Build machine learning models through design, training, evaluation, validation, and implementation; Leverage a broad technology stack to analyze huge volumes of numeric and textual data

Seniority

Principal, hands-on IC

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