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Senior Machine Learning Engineer

Capital One

$144,200 - $181,000
Sep 2, 2025
McLean, VA, US
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Capital One is looking for a Senior Machine Learning Engineer to productionize machine learning applications and systems at scale, focusing on architectural design, development, and ensuring high availability and performance of ML applications.

Requirements

  • At least 4 years of experience programming with Python, Scala, or Java (Internship experience does not apply)
  • At least 3 years of experience designing and building data-intensive solutions using distributed computing
  • At least 2 years of on-the-job experience with an industry recognized ML frameworks (scikit-learn, PyTorch, Dask, Spark, or TensorFlow)
  • At least 1 year of experience productionizing, monitoring, and maintaining models
  • 1+ years of experience building, scaling, and optimizing ML systems
  • 1+ years of experience with data gathering and preparation for ML models
  • 2+ years of experience developing performant, resilient, and maintainable code

Responsibilities

  • Design, build, and/or deliver ML models and components that solve real-world business problems, while working in collaboration with the Product and Data Science teams.
  • Inform your ML infrastructure decisions using your understanding of ML modeling techniques and issues, including choice of model, data, and feature selection, model training, hyperparameter tuning, dimensionality, bias/variance, and validation).
  • Solve complex problems by writing and testing application code, developing and validating ML models, and automating tests and deployment.
  • Collaborate as part of a cross-functional Agile team to create and enhance software that enables state-of-the-art big data and ML applications.
  • Retrain, maintain, and monitor models in production.
  • Leverage or build cloud-based architectures, technologies, and/or platforms to deliver optimized ML models at scale.
  • Construct optimized data pipelines to feed ML models.

Other

  • Bachelor's degree
  • At this time, Capital One will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position
  • No agencies please.
  • Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws.
  • Capital One promotes a drug-free workplace.