AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services) at Capital One | CA, US | Rezi

AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services) at Capital One

AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services)

Capital One · CA, US

4 days ago

AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services)

Capital One · CA, US

4 days ago
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About the Role

At Capital One, we are creating responsible and reliable AI systems to transform banking. We are committed to building world-class applied science and engineering teams to deliver breakthrough product experiences and scalable, high-performance AI infrastructure. You will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses.

Responsibilities

  • Partner with a cross-functional team of engineers, research scientists, technical program managers, and product managers to deliver AI-powered products.
  • Design, develop, test, deploy, and support AI software components including foundation model training, large language model inference, agents and multi-agent workflows, similarity search, guardrails, model evaluation, experimentation, governance, and observability.
  • Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, and more.
  • Invent and introduce state-of-the-art foundation model optimization techniques to improve the performance — scalability, cost, latency, throughput — of large scale production AI systems.
  • Contribute to the technical vision and the long term roadmap of foundational AI systems at Capital One.
  • Design, implement and optimize multi-model orchestration pipelines - integrating LLMs, vector search, and domain-specific models into unified systems.
  • Establish and lead cost-performance governance reviews across AI systems, tracking GPU utilization, model throughput, and inference cost efficiency.
  • Lead team design councils or design review boards to ensure technical consistency and compliance with AI engineering standards.
  • Mentor Principal and Manager-level AI engineers, fostering cross-domain learning and elevating organizational technical maturity.

Requirements

  • Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 6 years of experience developing AI and ML algorithms or technologies, or a Master's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 4 years of experience developing AI and ML algorithms or technologies.
  • At least 6 years of experience programming with Python, Go, Scala, CUDA, or Java.
  • Experience leading development AI systems with tradeoff decisions around cost, latency, throughput and accuracy.
  • 7 years of experience deploying scalable and responsible AI solutions on cloud platforms (e.g. AWS, Google Cloud, Azure, or equivalent private cloud).
  • Experience designing, developing, delivering, and supporting complex AI systems.
  • Experience developing AI and ML algorithms or technologies (e.g. LLM Inference, Similarity Search and VectorDBs, Guardrails, Memory) using Python, C++, C#, Java, CUDA, or Golang.
  • Experience developing and applying state-of-the-art techniques for optimizing training and inference software to improve hardware utilization, latency, throughput, and cost.
  • Experience in building agentic AI systems and agentic workflows.
  • Passion for staying abreast of the latest AI research, and an ability to intuitively understand scientific publications and judiciously apply novel techniques in production.
  • Excellent communication and presentation skills, with the ability to articulate complex AI concepts to peers.
  • Experience architecting and integrating heterogeneous AI systems - including rule-based, retrieval-augmented, and generative components - into unified production pipelines.
  • Experience defining and enforcing standards for ethical AI deployment, including explainability, fairness, and human-in-the-loop review processes.
  • Demonstrated ability to balance model performance and operational cost through dynamic inference strategies and model compression.
  • Experience right-sizing models, instance counts, and hardware types given requirements (e.g., context length, token inputs, token outputs).

Skills

  • AI
  • ML
  • Machine Learning
  • Foundation Model Training
  • Large Language Model Inference
  • Agents
  • Multi-agent Workflows
  • Similarity Search
  • Guardrails
  • Model Evaluation
  • Experimentation
  • Governance
  • Observability
  • AWS Ultraclusters
  • Huggingface
  • VectorDBs
  • PyTorch
  • Python
  • Go
  • Scala
  • CUDA
  • Java
  • C++
  • C#
  • Golang
  • Cloud Platforms (AWS, Google Cloud, Azure)
  • Agentic AI
  • Heterogeneous AI Systems
  • Rule-based Systems
  • Retrieval-Augmented Systems
  • Generative Systems
  • Ethical AI Deployment
  • Explainability
  • Fairness
  • Human-in-the-loop Review
  • Model Compression
  • Dynamic Inference Strategies

Location

  • McLean, VA
  • Cambridge, MA
  • New York, NY
  • San Francisco, CA
  • San Jose, CA

Work Type

  • Full-time

Experience Level

  • 5 years
  • 6 years
  • 7 years
  • Principal
  • Manager-level

Education Level

  • Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields
  • Master's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields

Salary/Compensations

  • McLean, VA: $229,900 - $262,400
  • Cambridge, MA: $229,900 - $262,400
  • New York, NY: $250,800 - $286,200
  • San Francisco, CA: $250,800 - $286,200
  • San Jose, CA: $250,800 - $286,200

Benefits

  • Comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being.
  • Eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI).

About the Company

  • The Intelligent Foundations and Experiences (IFX) team is at the center of bringing our vision for AI at Capital One to life.
  • We work hand-in-hand with our partners across the company to advance the state of the art in science and AI engineering, and we build and deploy proprietary solutions that are central to our business and deliver value to millions of customers.
  • Our AI models and platforms empower teams across Capital One to enhance their products with the transformative power of AI, in responsible and scalable ways for the highest leverage impact.

Equal Opportunity

  • Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws.
  • Capital One promotes a drug-free workplace.
  • Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City’s Fair Chance Act; Philadelphia’s Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries.
  • If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.