Senior AI Engineer: Foundation Models & Scalable AI

Military Friendly Company; Cambridge (MA); On-site; USD 162,000 - 185,000; Full time

Job summary

Capital One is hiring an AI Engineer 3 in Cambridge, MA to advance responsible and reliable AI systems within a cross-functional team of engineers, researchers, and product managers. You will design, implement, and optimize AI software components, including model training, inference, agents, and multi-agent workflows.

The role emphasizes scalable, cost-conscious AI infrastructure, governance, and security practices, with opportunities to mentor junior engineers and contribute to the long-term AI

Qualifications

• Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 3 years of experience developing AI/ML algorithms or technologies; or a Master's degree plus at least 1 year of experience.
• At least 3 years of experience programming with Python, Go, Scala, CUDA, or Java

Responsibilities

• Partner with cross-functional teams to deliver AI-powered products.
• Design, develop, test, deploy, and support AI software components including foundation model training and inference.
• Lead development and benchmarking of multi-turn conversational and tool-using agent workflows.
• Implement scalable pipelines for training, fine-tuning and deploying foundation or domain-specific models across environments.

Skills

Python

Go

Scala

CUDA

Java

Education

Bachelor's degree in CS/AI/EE/CE or related

Master's degree in CS/AI/EE/CE or related

Tools

HuggingFace

PyTorch

AWS

VectorDBs

Job description

Capital One is hiring an AI Engineer 3 in Cambridge, MA to advance responsible and reliable AI systems within a cross-functional team of engineers, researchers, and product managers. You will design, implement, and optimize AI software components, including model training, inference, agents, and multi-agent workflows.

The role emphasizes scalable, cost-conscious AI infrastructure, governance, and security practices, with opportunities to mentor junior engineers and contribute to the long-term AI