Senior AI Engineer: Foundation Models & Scalable ML

Capital One; New York (NY); On-site; USD 251,000 - 286,000; Full time

Job summary

Capital One is seeking an AI Engineer to design, develop, and scale AI systems that power real-time, personalized experiences for customers and associates. You will partner with engineers, researchers, PMs, and designers to deliver impactful AI products, from model training to deployment and governance.

You will lead optimization, multi-model pipelines, and cost-performance reviews, shaping the AI roadmap while mentoring senior engineers across the organization.

Qualifications

• Bachelor's degree with 6+ years AI/ML experience or Master's with 4+ years.
• At least 6 years of programming experience in Python, Go, Scala, CUDA, or Java.

Responsibilities

• Partner with a cross-functional team of engineers, research scientists, PMs to deliver AI-powered products that change how our associates work and how our customers interact with Capital One.
• 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

Education

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

Tools

Python

Go

Scala

CUDA

Java

Job description

Capital One is seeking an AI Engineer to design, develop, and scale AI systems that power real-time, personalized experiences for customers and associates. You will partner with engineers, researchers, PMs, and designers to deliver impactful AI products, from model training to deployment and governance.

You will lead optimization, multi-model pipelines, and cost-performance reviews, shaping the AI roadmap while mentoring senior engineers across the organization.