Capital One

AI Engineer 5 (FM Hosting, LLM Inference)

Capital One
Apply
1 day ago
Cambridge, MA, USA +4 moreStaff+

Base Salary

$251k - $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 state-of-the-art foundation model optimization techniques to improve production AI system scalability, cost, latency, and throughput.
  • Design and optimize multi-model orchestration pipelines integrating LLMs, vector search, and domain-specific models.
  • Lead cost-performance governance reviews covering GPU utilization, model throughput, and inference cost efficiency.
  • Contribute to the technical vision and long-term roadmap for foundational AI systems.
  • Lead design councils and review boards to promote technical consistency and compliance with AI engineering standards.
  • Mentor Principal- and Manager-level AI engineers and foster 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 such experience.
  • At least six years of programming experience with Python, Go, Scala, CUDA, or Java.
  • Experience leading AI system development with tradeoffs involving cost, latency, throughput, and accuracy.
  • Preferred experience deploying scalable and responsible AI solutions on AWS, Google Cloud, Azure, or equivalent private cloud platforms.
  • Experience designing, delivering, supporting, and architecting complex AI systems and heterogeneous production pipelines.
  • Experience with LLM inference, similarity search, vector databases, guardrails, memory, agentic AI systems, and agentic workflows.
  • Experience optimizing training and inference software, hardware utilization, model size, instance counts, hardware types, latency, throughput, and cost.
  • Experience defining ethical AI deployment standards involving explainability, fairness, and human-in-the-loop review.
  • Strong communication and presentation skills, including the ability to explain complex AI concepts.

Benefits

  • Comprehensive health, financial, and other benefits supporting total well-being, with eligibility varying by employment status and management level.
  • Eligible for performance-based incentive compensation, which may include cash bonuses and/or long-term incentives.
  • Applications are accepted for a minimum of five business days.

Tech Stack

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.

Contact me