Capital One

AI Engineer 5 (SDK's: Gen AI Evaluation and MCP)

Capital One
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2 days ago
Cambridge, MA, USA +4 moreStaff+

Base Salary

$230k - $286k/yr

Responsibilities

  • Design, develop, test, deploy, and support AI software components for foundation model training, LLM inference, agents, similarity search, guardrails, evaluation, experimentation, governance, 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.
  • Lead cost-performance governance reviews covering GPU utilization, model throughput, and inference cost efficiency.
  • Lead design councils and review boards to ensure technical consistency and compliance with AI engineering standards.
  • Contribute to the technical vision and long-term roadmap for foundational AI systems.
  • 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 6 years of experience developing AI and ML algorithms or technologies, or a master's degree in one of these fields plus at least 4 years of such experience.
  • At least 6 years of programming experience with Python, Go, Scala, CUDA, or Java.
  • Experience leading AI system development with tradeoffs among cost, latency, throughput, and accuracy.
  • Experience deploying scalable and responsible AI solutions on cloud platforms such as AWS, Google Cloud, Azure, or equivalent private cloud.
  • Experience designing, developing, delivering, and supporting complex AI systems.
  • Experience with LLM inference, similarity search, vector databases, guardrails, memory, agentic AI systems, and agentic workflows.
  • Experience optimizing training and inference software and right-sizing models, instances, and hardware types.
  • Experience architecting heterogeneous AI systems and defining standards for ethical AI deployment, including explainability, fairness, and human-in-the-loop review.
  • Strong technical, mathematical, communication, and presentation skills, with the ability to apply current AI research in production.

Benefits

  • Comprehensive health, financial, and other benefits supporting employee well-being, with eligibility varying by employment status and management level.
  • Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.
  • The role accepts applications for a minimum of 5 business days.

Tech Stack

Categories

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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