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Jathushan Varnakulasingam

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AI Offline: Privacy-First Customer Service Solutions
AI & Privacy 7 min read Jan 2026

AI Offline: Privacy-First Customer Service Solutions

Developing secure, local AI models to handle sensitive customer inquiries without cloud dependency.

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Privacy is the new gold standard in AI. I built a system that lets businesses use LLMs without ever sending data to the cloud.

Deploying Local Large Language Models

Using Ollama and customized weights, I deployed a high-performance LLM on local workstation hardware. This allows for high-speed inferences while keeping all data behind a firewall.

Retrieval-Augmented Generation (RAG)

The chatbot utilizes a local vector database to search through internal company documents. This ensures the AI only speaks from approved facts, minimizing hallucinations and maximizing utility.

Technologies Analyzed

Python LangChain Vector DB Privacy

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