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Capital One Logo

Principal Data Scientist

Capital One

$144,200 - $181,000
Oct 30, 2025
McLean, VA, US
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Capital One is looking to disrupt the financial industry by leveraging data science and machine learning to personalize customer experiences, streamline internal operations, and unlock opportunities that help everyday people save money, time, and agony in their financial lives. The Bank Operations Data Science team specifically focuses on building machine learning models for internal capabilities like Check/Document Reading, Anomaly Identification, Natural Language Processing of Calls, and operational forecasting, aiming to streamline payment and monetary transfer channels.

Requirements

  • At least 3 years’ experience in Python
  • At least 3 years’ experience with machine learning
  • At least 3 years’ experience with SQL
  • At least one agentic system personally built
  • At least one machine vision model personally built
  • At least 1 year of experience working with AWS
  • experience with clustering, classification, sentiment analysis, time series, and deep learning.

Responsibilities

  • Leverage a broad stack of technologies — Python, Snowflake, and more — to reveal the insights hidden within huge volumes of numeric and textual data
  • Build machine learning models through all phases of development, from design through training, evaluation, validation, and implementation
  • Partner with a cross-functional team of data scientists, software engineers, business analysts, and product managers to deliver a product customers love
  • Works directly with our Enterprise Payments team to streamline all payment/monetary transfer channels.
  • This ranges from ingestion, through anomaly detection, and even operational streamlining with agentic processes.
  • Continually 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

  • Partner with a cross-functional team of data scientists, software engineers, business analysts, and product managers to deliver a product customers love
  • Flex your interpersonal skills to translate the complexity of your work into tangible business goals
  • 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.
  • Statistically-minded. You’ve built models, validated them, and backtested them. You know how to interpret a confusion matrix or a ROC curve.