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AI Engineer (LLM Customization & Finetuning)

USA💼 Full-time💰 $197,300–$245,600🗓 2026-09-23 → 2026-09-29

Core

Design, develop, test, deploy, and support large-scale production AI systems, including foundation model training, LLM inference, agentic workflows, and similarity search to improve banking products.

Role type

Senior IC AI Engineer (LLM & Agentic Systems)

Builds

Scalable AI services, agentic workflows, and optimized inference pipelines for Capital One's banking platform.

Domain

Financial Services / Large Language Models / Distributed Systems

Deliverable

production ML models

Required skills

LLM inference, agentic AI systems, vector databases, model optimization, distributed systems design, Python, CUDA, cloud platform expertise

Preferred skills

Leading AI system development, designing distributed systems for petabyte-scale training, defining AI governance processes, mentoring senior engineers

Technologies

PyTorch, AWS Ultraclusters, Hugging Face, VectorDBs, C++, C#, Java, Golang

Responsibilities

Design and own end-to-end architecture for complex AI systems; optimize training and inference for hardware utilization and latency; collaborate with infrastructure to improve GPU/TPU utilization; lead cross-functional technical reviews for security and compliance; mentor Principal and Senior Associates on scalable design.

Seniority

Senior, hands-on IC with mentorship responsibilities

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