Principal Data Scientist, Applied AI — Generative AI & RAG

Capital One; McLean (VA); On-site; USD 162,000 - 185,000; Full time

Job summary

Capital One is seeking a Data Scientist in McLean, VA, to drive next‑generation AI initiatives across billions of records and enterprise‑grade architectures. You will collaborate with data scientists, ML engineers, and product managers to deliver Generative AI solutions customers love.

You will design and deploy AI pipelines using Python, LangChain, AWS, and vector databases, encompassing context engineering, model fine‑tuning, evaluation, and production deployment.

Qualifications

• Bachelor's degree in a quantitative field plus 5 years of analytics experience
• Master's degree or MBA with quantitative concentration plus 3 years analytics experience
• PhD in quantitative field

Responsibilities

• Partner with cross‑functional data scientists, ML engineers, and product managers to deliver Generative AI solutions
• Leverage Python, LangChain, AWS, Workflows, and vector databases to build Multi‑Agent systems and advanced RAG pipelines
• Build Generative AI models and pipelines from context engineering through fine‑tuning, evaluation, validation, and deployment
• Translate complex technical work into tangible business goals

Education

Bachelor's degree

Master's degree

PhD

Tools

Python

LangChain

AWS

Vector Databases

Workflows

Job description

Capital One is seeking a Data Scientist in McLean, VA, to drive next‑generation AI initiatives across billions of records and enterprise‑grade architectures. You will collaborate with data scientists, ML engineers, and product managers to deliver Generative AI solutions customers love.

You will design and deploy AI pipelines using Python, LangChain, AWS, and vector databases, encompassing context engineering, model fine‑tuning, evaluation, and production deployment.