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dezhou chen

Mid-level AI Engineer specializing in LLM systems and GenAI products

StealthUniversity of Illinois Urbana-ChampaignRemote, USA4 Years ExperienceMid LevelWorks On-Site

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About

AI-focused product engineer working on LLM routing, prompt engineering, and multimodal API integrations at production scale. They describe improving system accuracy, latency, and token usage, fine-tuning an internal model to reduce third-party API dependence, and adding safety guardrails through prompt-injection testing and red-team evaluation.

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Key Strengths

  • LLM routing and prompt-engineering optimization
  • A/B testing for production reliability
  • Debugging AI systems with structured, step-by-step workflows
  • Fine-tuned SOTA model for internal use under a two-week deadline
  • Reduced external API dependency by deploying a fine-tuned internal model
  • Built reusable multimodal API patterns for high-volume image/text usage
  • AI application safety focus through prompt-injection defense and red-team evaluation
  • Performance focus on accuracy and latency

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Experience

Mattoboard - Founding EngineerStealth · Nov 2025 – Present
Artificial Intelligence EngineerPAX Technology · Feb 2023 – Jan 2025
DeveloperWE, Inc · Jul 2022 – Jan 2023
Machine Learning Engineer InternTigerGraph · Sep 2021 – Dec 2021internship
Software Developer InternTigerGraph · Jun 2021 – Aug 2021internship

Education

University of Illinois Urbana-Champaignmaster, Information Science (2021)
Miami Universitybachelor, Mathematics (2020)

Languages

English

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Connect with dezhou

dezhou already has a relationship with Reval, so a warm intro from us gets a much better response than cold outreach.

Typically responds within 24 hours

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Hire with Reval

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$250one-time kickoff
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dezhou chenMid-level AI Engineer specializing in LLM systems and GenAI products