Capital One
AI Engineer 4 (AI Foundations, VLM Customization)
$197K–$246K
San Jose, CA +3 · Full-time · Posted Oct 21, 2026
- Location
- San Jose, CA
McLean, VA
Cambridge, MA
New York, NY - Experience
- At least 4 years developing AI/ML algorithms or technologies with a bachelor’s degree, or at least 2 years with a master’s degree; at least 4 years programming. Preferred: 6 years deploying scalable and responsible AI solutions on cloud platforms.
- Education
- Bachelor’s or master’s degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields.
- Visa sponsorship
- Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.
About the job
Build and optimize foundational AI systems and production AI services that power customer and associate experiences at Capital One.
What you'll do
- Design, develop, deploy, and support AI components, including foundation-model training, LLM inference, agents, similarity search, guardrails, evaluation, and observability.
- Develop optimization techniques and improve the scalability, cost, latency, throughput, and hardware utilization of production AI systems.
- Own complex AI system architecture and roadmaps, and lead deployment reviews addressing reliability, security, governance, compliance, and ethical alignment.
What they ask for
- Bachelor’s degree in a listed or related field plus at least 4 years developing AI/ML algorithms or technologies, or a master’s degree in a listed or related field plus at least 2 years in that experience.
- At least 4 years programming with Python, Go, Scala, CUDA, or Java.
Nice to have
- Experience leading AI system development and making cost, latency, throughput, and accuracy tradeoffs.
- Experience deploying scalable AI solutions on cloud platforms; developing AI services, optimization techniques, or agentic AI systems; or designing distributed AI systems.
Pay
$197,300 - $225,100 USD base salary (Cambridge, MA); $197,300 - $225,100 USD base salary (McLean, VA); $215,200 - $245,600 USD base salary (New York, NY); $215,200 - $245,600 USD base salary (San Jose, CA)
Tools
Python, Go, Scala, CUDA, Java, AWS Ultraclusters, Huggingface, VectorDBs
AI focus
Develop and optimize foundation models, LLM inference, agents and multi-agent workflows, similarity search, guardrails, evaluation, and scalable, responsible production AI systems.
Model-written summary · the original posting is authoritative