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pjvk User

@pjvkuser

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I build healthcare AI platforms and RAG pipelines using LLMs, vector databases, and cloud infrastructure.

United States

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What I'm looking for

I'm looking to build production generative AI and healthcare informatics solutions, especially LLM, RAG, and ML platforms that combine strong governance, HIPAA-aware practices, and cross-functional collaboration.

I've built healthcare informatics AI solutions at Optum for 10,000+ enterprise users, developing LLM and machine learning tools on AWS and Azure.

I create RAG pipelines, vector embeddings, and data pipelines with Python, PyTorch, LangGraph, LangChain, and vector databases. My work includes LLM fine-tuning, transformers, neural networks, AI governance, and HIPAA-aware delivery.

At San Jose State University, I'm developing LLM tools for healthcare research while completing an M.S. in Artificial Intelligence. I also built A•tonomous Job Agent and CureGo, applying RAG, pgvector, FastAPI, Docker, AWS, and Azure.

Experience

Work history, roles, and key accomplishments

Current

Student Technical Assistant, AI & Data Engineer

Current

San Jose State University

May 2026 - Present (4 months)

Developing and improving LLMs and ML tools using Python, LangGraph, and LangChain, building RAG pipelines and vector embeddings on AWS and Azure for healthcare informatics research. Collaborating with research teams and contributing to AI governance frameworks.

Python LangGraph Lang Chain RAG Vector Databases AWS Azure Healthcare Informatics AI Governance

Software Engineer

Optum (UnitedHealth Group)

Sep 2023 - Dec 2025 (2 years 3 months)

Assisted in developing and improving LLMs and ML tools for healthcare informatics solutions, building RAG pipelines and vector embeddings on AWS and Azure. Contributed to AI governance frameworks and collaborated with cross-functional teams.