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Capital One Logo

Principal Data Scientist, AI Foundations

Capital One

$158,600 - $197,400
Sep 12, 2025
New York, NY, US
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Capital One is looking to leverage the latest emerging generative AI technologies to create next-generation experiences for their customers, aiming to disrupt the financial industry at scale by personalizing customer interactions and unlocking opportunities to save customers money, time, and agony.

Requirements

  • Comfortable with advanced ML and DL technologies including language models and are passionate about developing further.
  • Hands-on experience working with LLMs and solutions using open-source tools and cloud computing platforms.
  • Experienced in training language models or large computer vision models as well as have expertise in one or more key subdomains such as: training optimization, self-supervised learning, explainability, RLHF.
  • An engineering mindset as shown by a track record of delivering models at scale both in training data and inference volumes.
  • Experience in delivering libraries, platforms, or solution level code to existing products.
  • Experience working with AWS
  • At least 3 years’ experience in Python, Scala, or R
  • At least 3 years’ experience with machine learning
  • At least 3 years’ experience with SQL

Responsibilities

  • Partner with a cross-functional team of data scientists, software engineers, machine learning engineers and product managers to deliver AI powered products that change how customers interact with their money.
  • Leverage a broad stack of technologies — Pytorch, AWS Ultraclusters, Hugging Face, LangChain, Lightning, VectorDBs, and more — to reveal the insights hidden within huge volumes of numeric and textual data.
  • Be the expert in Natural Language Processing (NLP) to harness the power of Large Language Models (LLMs), adapt and finetune them for customer facing applications and features.
  • Build machine learning and NLP models through all phases of development, from design through training, evaluation, and validation; partnering with engineering teams to operationalize them in scalable and resilient production systems that serve 80+ million customers.
  • Flex your interpersonal skills to translate the complexity of your work into tangible business goals.
  • Continuously research and evaluate emerging technologies.
  • Stay current on published state-of-the-art methods, technologies, and applications and seek out opportunities to apply them.

Other

  • Customer first. You love the process of analyzing and creating, but also share our passion to do the right thing. You know at the end of the day it’s about making the right decision for our customers.
  • Innovative. You continually research and evaluate emerging technologies.
  • Creative. You thrive on bringing definition to big, undefined problems. You love asking questions and pushing hard to find answers. You’re not afraid to share a new idea.
  • A leader. You challenge conventional thinking and work with stakeholders to identify and improve the status quo. You're passionate about talent development for your own team and beyond.
  • Influential. You are passionate about AI/ML and can bring along a cross functional team in breakthrough innovations. You communicate clearly and effectively to share your findings with non-technical audiences.