Capital One

AI Engineer 5

Capital One
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1 day ago
Cambridge, MA, USA +2 moreStaff+

Base Salary

$251k - $286k/yr

Responsibilities

  • Partner with engineers, research scientists, technical program managers, and product managers to deliver AI-powered products.
  • Design, develop, test, deploy, and support AI components for foundation model training, LLM inference, agents, similarity search, guardrails, evaluation, governance, experimentation, and observability.
  • Develop and optimize multi-model orchestration pipelines integrating LLMs, vector search, and domain-specific models.
  • Invent and apply foundation-model optimization techniques to improve scalability, cost, latency, throughput, and hardware utilization.
  • Define the technical vision and long-term roadmap for foundational AI systems.
  • Lead cost-performance governance reviews tracking GPU utilization, model throughput, and inference cost efficiency.
  • Lead design councils and review boards to ensure technical consistency and compliance with AI engineering standards.
  • Mentor Principal- and Manager-level AI engineers and promote cross-domain technical learning.

Requirements

  • Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or a related field plus at least six years of experience developing AI and ML algorithms or technologies, or a master's degree in one of these fields plus at least four years of relevant experience.
  • At least six years of programming experience with Python, Go, Scala, CUDA, or Java.
  • Strong engineering, mathematics, hardware, software, and AI expertise, with the ability to apply research techniques in production.
  • Preferred experience leading AI systems with cost, latency, throughput, and accuracy tradeoffs.
  • Preferred seven or more years of experience deploying scalable and responsible AI solutions on AWS, Google Cloud, Azure, or equivalent private cloud.
  • Preferred experience with LLM inference, similarity search, vector databases, guardrails, memory, agentic AI systems, model optimization, and heterogeneous AI pipelines.
  • Preferred experience defining ethical AI standards involving explainability, fairness, and human-in-the-loop review.
  • Preferred ability to balance model performance and operational cost through dynamic inference strategies, model compression, and infrastructure right-sizing.
  • Strong communication and presentation skills, including the ability to explain complex AI concepts.

Benefits

  • Comprehensive health, financial, and other benefits supporting employees' total well-being, with eligibility varying by employment status and management level.
  • Eligible for performance-based incentive compensation, including potential cash bonuses and/or long-term incentives.
  • The role is expected to accept applications for a minimum of five business days.
Capital One

About Capital One

10,000+ employees

Capital One is a U.S. consumer and commercial bank that offers credit cards, checking and savings accounts, auto financing, and lending to small and large businesses. It earns revenue from interest income and interchange/fees across its card and banking products, and develops cloud-based digital services. Founded in 1994, Capital One is publicly traded on the NYSE (COF) and is headquartered in McLean, Virginia.

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