Lead Data Scientist: Recommenders & Personalization

Capital One National Association; McLean (VA); On-site; USD 197,000 - 225,000; Full time

Job summary

Capital One is seeking a Manager, Data Scientist to lead the development of advanced recommender systems using transformers, LLMs, and reinforcement learning. The role focuses on personalization across marketing, customer service, and digital products, leveraging tens of millions of customer interactions.

You will partner with engineering and product teams to deploy scalable, low-latency systems and evaluate campaigns with rigorous frameworks, driving impact across multiple channels and

Qualifications

• Bachelor's degree in a quantitative field plus 6 years of experience performing data analytics
• At least 1 year of experience leveraging open source programming languages for large scale data analysis
• At least 1 year of experience working with machine learning
• At least 1 year of experience utilizing relational databases
• Master's or PhD with quantitative concentration preferred
• Experience with Python and ML frameworks required

Responsibilities

• Design and develop state-of-the-art recommender systems using transformers, LLMs, and reinforcement learning
• Advance personalization through sequence modeling, multi-modal learning, and contextual decision-making
• Build and fine-tune foundation models trained on large-scale customer interaction data
• Apply reinforcement learning to optimize long-term user engagement and business outcomes
• Build state-of-the-art evaluation frameworks to measure the efficacy of campaigns and recommendations
• Collaborate with engineering and product teams to deploy scalable, production-grade, low-latency systems
• Drive innovation in emerging areas such as generative recommendations and cross-domain personalization

Skills

Python

Machine learning

Reinforcement learning

Transformers

LLMs

Big data

Data science

Education

Bachelor's Degree in Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science

Master's Degree in a quantitative field or MBA with quantitative concentration

PhD in a quantitative field

Tools

PyTorch

TensorFlow

AWS

SQL

Job description

Capital One is seeking a Manager, Data Scientist to lead the development of advanced recommender systems using transformers, LLMs, and reinforcement learning. The role focuses on personalization across marketing, customer service, and digital products, leveraging tens of millions of customer interactions.

You will partner with engineering and product teams to deploy scalable, low-latency systems and evaluate campaigns with rigorous frameworks, driving impact across multiple channels and