Summary
Sungjae Cha is an AI software engineer and Agentic AI PM with 11 years of experience building scalable MLOps and LLMOps infrastructure and production prompt pipelines. He has led commercialization of generative AI products across edutech, med-tech, and fintech—most notably launching Hummingbird to cut grading time from days to 10 seconds and reduce costs by ~85%, and developing real-time colonoscopy and biosignal AI systems. Skilled across Azure ML, SageMaker, Kubernetes, FastAPI, and LangFuse, he designs end-to-end prompt lifecycle, A/B testing, and automated evaluation workflows that bridge research and reliable services. An active educator and translator, he’s delivered 70+ technical lectures, teaches at multiple universities, and translated an O’Reilly deep learning book into Korean, reflecting a rare mix of product leadership, hands-on engineering, and commitment to knowledge-sharing.
11 years of coding experience
6 years of employment as a software developer
Exchange Program, Business Analytics, Exchange Program, Business Analytics at University of Rochester - Simon Business School
고등학교, 고등학교 at 울산과학고등학교
Bachelor of Science, Mathematics, Bachelor of Science, Mathematics at Sungkyunkwan University
Master's degree, Master of Financial Engineering, Master's degree, Master of Financial Engineering at Korea Advanced Institute of Science and Technology