Principal AI Engineer LLM Systems

Build responsible AI systems at Capital One in Toronto, applying Python and large language model expertise within a hybrid work model. As a Principal Associate AI Engineer, you will create foundational AI capabilities for Capital One Canada. You will collaborate with engineers, research scientists, technical program managers, and product managers. Your work will support AI-powered products, scalable infrastructure, and customer experiences. Key Responsibilities:

Partner with cross-functional teams delivering AI-powered products Design and deploy foundation model training components Develop large language model inference and similarity search Implement guardrails, evaluation, governance, and observability Optimize production systems for scalability, latency, throughput, and cost Requirements:

Bachelor’s degree plus three years developing AI technologies Master’s degree plus one year developing AI technologies Three years programming with Python, Go, Scala, or Java Strong engineering, mathematics, hardware, software, and AI foundations Ability to apply research techniques in production Shape Capital One’s foundational AI roadmap through LLM inference, optimization, responsible engineering, and scalable production systems.

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