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Patrick Hulligan

@patrickhulligan

Senior Software Engineer at Oracle building RAG pipelines and LLM evaluation frameworks for enterprise AI services.

United States
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At Oracle, I design and ship RAG pipelines that connect internal knowledge sources to LLM-backed services, improving answer relevance for enterprise users. I also built evaluation frameworks to measure accuracy, hallucination rates, and regressions across model versions.

I architect AI platform components in Python, standardizing how teams integrate vector search, embeddings, and prompt orchestration with LangChain and LlamaIndex. I established safety standards and technical review gates for production AI features.

At Blue Origin, I built backend platform services in Python and event-driven data pipelines with Kafka. I also developed machine learning components with PyTorch and TensorFlow to support model training and batch inference.

At Nordstrom, I built features for customer-facing retail applications and implemented REST APIs supporting product catalog and checkout flows. My work has also included distributed systems, cloud deployments, observability, and CI/CD.

Experience

Work history, roles, and key accomplishments

Oracle logoOR
Current

Senior Software Engineer

Apr 2021 - Present (5 years 7 months)

Designed and shipped RAG pipelines and LLM evaluation frameworks, architected AI platform components in Python, and established AI safety standards. Led MLOps and CI/CD practices with GitHub Actions and introduced AI-assisted development workflows.

Education

Degrees, certifications, and relevant coursework

Oregon State University logoOU

Oregon State University

Bachelor of Science, Computer Science

2009 - 2016

Bachelor of Science in Computer Science from Oregon State University, completed in 2016.

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