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Closed on September 18, 2026.
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Job Description
Capital One is hiring a Lead Machine Learning Engineer (Manager IC) for an onsite Agile team in McLean, VA to design and productionize foundation models using self-supervised learning for transformer architectures.
Responsibilities
- Support detailed technical design, development, and implementation across model architecture, large-scale training, and representation learning for transformer-based foundation models
- Develop and review model and application code; drive ML architectural decisions to ensure high availability and performance of production applications
- Design, build, and/or deliver ML models and components that address real business needs while collaborating with Product and Data Science teams
- Apply ML modeling knowledge to guide infrastructure decisions, including choices around model, data, feature selection, training, hyperparameter tuning, dimensionality, bias/variance, and validation
- Address complex problems by writing and testing application code, developing and validating ML models, and automating tests and deployment
- Collaborate with a cross-functional Agile team to create and improve software supporting state-of-the-art big data and ML applications
- Retrain, maintain, and monitor models once deployed in production
- Leverage and/or build cloud-based architectures, technologies, and platforms to deliver optimized ML models at scale
- Construct optimized data pipelines to feed ML models
- Use continuous integration and continuous deployment practices, including test automation and monitoring, to support successful releases
- Ensure code is well-managed to reduce vulnerabilities; support model governance from a risk perspective; follow Responsible and Explainable AI best practices
- Use programming languages such as Python, Scala, or Java
Requirements
- Bachelor’s Degree
- 6+ years designing and building data-intensive solutions using distributed computing (internship experience does not apply)
- 4+ years programming with Python, Scala, or Java
- 2+ years building, scaling, and optimizing ML systems
Technologies
- Python, Scala, Java
- scikit-learn, PyTorch, TensorFlow
- Dask, Spark
- AWS, Azure, Google Cloud Platform
Preferred Qualifications
- Master’s or Doctoral Degree in computer science, electrical engineering, mathematics, or a related field
- 3+ years building production-ready data pipelines that feed ML models
- 3+ years on-the-job experience with an industry-recognized ML framework: scikit-learn, PyTorch, Dask, Spark, or TensorFlow
- 2+ years developing performant, resilient, and maintainable code
- 2+ years experience with data gathering and preparation for ML models
- 2+ years people leader experience
- 1+ years experience leading teams developing ML solutions using industry best practices, patterns, and automation
- Experience developing and deploying ML solutions in a public cloud such as AWS, Azure, or Google Cloud Platform
- Experience designing, implementing, and scaling complex data pipelines for ML models and evaluating their performance
- ML industry impact via conference presentations, papers, blog posts, open source contributions, or patents
- Experience leveraging interactive AI tooling to accelerate productivity beyond basic code completion
Location and Compensation
- Location: McLean, VA (onsite)
- Salary Range: USD 197,300 - 225,100 per year
- Eligible for performance-based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI)
Additional Information
- No agencies please
- Capital One will not sponsor a new applicant for employment authorization or provide immigration related support for this position (including H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1, O-1, and other work authorization requiring employer support)
- Expected application review window: minimum of 5 business days
- Capital One is an equal opportunity employer (EOE), committed to non-discrimination in compliance with applicable federal, state, and local laws
- Capital One promotes a drug-free workplace
- Accommodation request: 1-800-304-9102 or [email protected]
- Recruiting process support: [email protected]