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Yunfei Zhang's avatar
Yunfei Zhang
China
Enterprise AI Architect | Secure RAG & LLMs
New to Contra
Enterprise AI Architect | Secure RAG & LLMs
Cover image for Secure Enterprise-Grade RAG Architecture Engineered a
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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Cover image for Enterprise RAG Implementation: Transforming 5,000+
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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Cover image for Oracle Certified Generative AI Professional Officially
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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Cover image for LLM Data Privacy & Security
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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