Capital One

AI Engineer 4 (MLX, Agentic AI, Gen AI platform Services)

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

Base Salary

$215k - $246k/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 software components for foundation model training, LLM inference, agents, similarity search, guardrails, evaluation, experimentation, governance, and observability.
  • Use open-source and SaaS AI technologies to build scalable production AI systems.
  • Develop foundation-model optimization techniques improving scalability, cost, latency, throughput, and hardware utilization.
  • Own end-to-end architecture and contribute to the technical vision and roadmap for foundational AI systems.
  • Define and maintain AI reliability objectives covering latency, uptime, and model performance drift.
  • Collaborate with infrastructure engineering to optimize GPU/TPU utilization and model inference pipelines.
  • Lead technical reviews for AI deployments and ensure security, data governance, compliance, and ethical standards.
  • Mentor Principal and Senior Associates on scalable design, performance tuning, and research-to-production translation.

Requirements

  • Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or a related field plus at least 4 years of AI/ML development experience, or a master's degree in one of these fields plus at least 2 years of AI/ML development experience.
  • At least 4 years of programming experience with Python, Go, Scala, CUDA, or Java.
  • Preferred experience leading AI system development with cost, latency, throughput, and accuracy tradeoffs.
  • Preferred 6 years of experience deploying scalable and responsible AI solutions on AWS, Google Cloud, Azure, or an equivalent private cloud.
  • Experience designing, developing, delivering, and supporting AI services.
  • Experience with LLM inference, similarity search, vector databases, guardrails, memory, and AI/ML algorithms using Python, C++, C#, Java, CUDA, or Golang.
  • Experience optimizing training and inference software for hardware utilization, latency, throughput, and cost.
  • Experience building agentic AI systems and workflows.
  • Proficiency designing distributed systems for model training, evaluation, and online inference at petabyte scale.
  • Experience defining AI model governance processes, including lineage tracking and automated retraining schedules.
  • Ability to influence architectural decisions across multiple AI product lines or platforms.

Benefits

  • Capital One offers health, financial, and other benefits supporting employee well-being, with eligibility varying by employment status and management level.
  • The role is eligible for performance-based incentive compensation, including potential cash bonuses and/or long-term incentives.
  • Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.
  • The role is posted across McLean, Cambridge, New York, San Francisco, and San Jose, with location-specific salary ranges.

Tech Stack

AzureC#C++GoGoogle CloudJavaPythonPyTorchScala
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