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AI Engineer 4 (AI Foundations, LLM Core and Agentic AI)
Summary by AIEngineer.careers
AI Engineer 4 (AI Foundations, LLM Core and Agentic AI) is a AI Engineer role (full-time). with Capital One. in CAMBRIDGE, US. Compensation shown: $197K–$225K. Imported listing (source: builtinboston.com). Apply on the employer's site (builtinboston.com).
Imported listing (source: builtinboston.com) · Apply on builtinboston.com
CAMBRIDGE · US
$197K–$225K
Full-time
SENIOR
The sections below reproduce the third-party job description for reference. AIEngineer.careers does not write or control this text.
Imported job description
Sourced from builtinboston.com
Capital One is seeking a Senior AI Engineer to join its Intelligent Foundations and Experiences team in Cambridge, MA. This role focuses on designing, developing, and deploying scalable AI systems including foundation model training, LLM inference, and agentic workflows. The engineer will optimize large-scale production AI systems for performance, cost, and latency while ensuring responsible and reliable AI governance.
Responsibilities
- Design, develop, test, deploy, and support AI software components including foundation model training and LLM inference.
- Build and implement agents and multi-agent workflows, similarity search, and guardrails.
- Optimize foundation model techniques to improve scalability, cost, latency, and throughput of production AI systems.
- Define and maintain service-level objectives (SLOs) for AI reliability, including uptime and model performance drift.
- Collaborate with infrastructure engineering to optimize GPU/TPU utilization and accelerate model inference pipelines.
- Lead cross-functional technical reviews ensuring security, data governance, and compliance standards.
Requirements
- Bachelor's degree in Computer Science, AI, EE, or related field plus 4+ years of experience, or Master's degree plus 2+ years.
Capital One
McLean · US · 51411+ employees
Capital One is a diversified financial services holding company headquartered in McLean, Virginia. It offers banking and non-banking subsidiaries and provides a broad array of financial products and services to consumers, small businesses, and commercial clients through digital channels, branch locations, cafés, and other distribution channels.
