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Pei Zeng
From United States 10:46 PM (GMT-04:00)
$70/hr

Active over a week ago


Member since Oct 2025

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Senior Data Scientist

Data Scientist
Available for hire
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I'm a Senior Data Scientist specializing in cutting-edge Generative AI technologies, including Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), hybrid search, and agentic AI systems. I’ve built and deployed production-grade AI assistants using Claude (via AWS Bedrock), LangChain, LlamaIndex, and GCP Vertex AI, powering advanced question-answering and search experiences with millions of documents. What sets me apart is my focus on real-world impact—engineering scalable GenAI systems that deliver clear, measurable value in enterprise environments. I'm seeking roles where I can lead innovations in applied LLMs, RAG pipelines, and GenAI platforms, transforming how people interact with information and decision-making tools at scale.

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