Yuji Naraki is a Machine Learning Engineer and researcher based in Tokyo with 11 years of experience building and deploying NLP systems and model-editing techniques across startups and research labs. He has a track record of owning projects end-to-end, from research roles at Algoage and internships at industry leaders to production-focused engineering at LegalOn Technologies and now Cierpa & Co. His work sits at the intersection of applied research and productization, with a particular interest in Personalized Companion Agents that enable natural, long-lived human interaction. Comfortable in collaborative academic and industry settings—he has taught at Waseda University—Yuji continuously learns new tools to bridge cutting-edge models with real-world constraints. Notably, he combines deep academic training (MEng, Waseda) with pragmatic engineering experience, making him adept at turning novel ML ideas into deployable systems.
11 years of coding experience
6 years of employment as a software developer
早稲田高校
Master of Engineering - MEng, Computer Science, Master of Engineering - MEng, Computer Science at 早稲田大学 WASEDA University
Contributions:25 pushes, 3 branches in 2 years 1 month
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Yuji Naraki - Machine Learning Engineer at Cierpa & Co., Inc.