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From the employer's careers site First seen 25 Oct 2026

Principal Associate, Data Scientist - LLM Customization Team

Capital One New York, NY senior full-time

Salary

$161,800 - $184,600 per year

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Description

At Capital One, you will help shape how AI transforms financial services.

Job Summary As a Principal Associate, Data Scientist on our LLM Customization Team, you will partner with a cross-functional team to deliver AI-powered products that change how customers interact with their money.

Key Responsibilities

  • Collaborate with data scientists, applied researchers, software engineers, machine learning engineers, and product managers to develop AI-driven products.
  • Utilize a broad range of technologies, including Pytorch, Hugging Face, AWS Ultraclusters, LangChain, and VectorDBs, to uncover insights in large datasets.
  • Apply expertise in Natural Language Processing (NLP) to harness the power of Large Language Models (LLMs), adapting and fine-tuning them for business-specific applications.
  • Develop NLP models throughout the development lifecycle, from design to deployment, in partnership with engineering teams.
  • Communicate complex technical concepts to stakeholders, translating them into tangible business goals.

Requirements

  • Currently pursuing or holding a degree in a quantitative field (e.g., Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science) with relevant experience in data analytics.
  • Experience with advanced ML and DL technologies, including language models, and hands-on experience with LLMs and open-source tools.
  • Strong interpersonal skills to collaborate with cross-functional teams and communicate effectively with non-technical audiences.

Preferred Qualifications

  • Master's or PhD in a STEM field with experience in data analytics.
  • Experience working with AWS, Python, Scala, or R, and machine learning.
  • Familiarity with Large Language Models (LLM), fine-tuning, and deep learning.

Benefits Capital One offers a comprehensive set of health, financial, and other benefits that support your total well-being.

Skills

Required

Nice to have

Apply on Capital One