Yunfei Zhang
Enterprise AI Architect | Secure RAG & LLMs
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Enterprise RAG Implementation: Transforming 5,000+ Internal Docs into a Private AI Brain
A mid-sized professional services firm struggled with "information silos," where employees spent 2+ hours daily searching for answers across thousands of PDFs and internal manuals. I was brought in to architect a secure, private AI solution to centralize this knowledge.
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Oracle Certified Generative AI Professional
Officially certified by Oracle Cloud Infrastructure (OCI). This professional credential validates my expertise in designing, deploying, and managing enterprise-grade Generative AI solutions, including fine-tuning LLMs and architecting scalable AI workloads on cloud infrastructure.
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LLM Data Privacy & Security Implementation
Implementation of a custom data scrubbing and security layer for enterprise AI integrations. This code-level solution ensures that Personally Identifiable Information (PII) and sensitive corporate data are protected and filtered before reaching public AI APIs, maintaining strict compliance standards.
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Secure Enterprise-Grade RAG Architecture
Engineered a robust Retrieval-Augmented Generation (RAG) architecture for corporate environments. This design focuses on bridging internal data silos with Large Language Models (LLMs) while ensuring 100% data privacy and eliminating model hallucinations through advanced semantic search.
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