Topline | Jeehyun Lee

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Jeehyun Lee

Machine Learning Engineer at 11street

Contact Information

us****@****om

(386) 825-5501

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Location

Gyeonggi, South Korea, KR

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Machine Learning Engineer
- Feb 2022 - Present
Responsible for Machine Intelligence Team Recommendations 1. Development and advancement of Amazon product personalized recommendation model (2022. 02 ~) - Developed 11st’s first personalized product recommendation model and launched service → CTR 56%, sCTR 51%, sCVR 57%, transaction amount increased by 75% compared to popular products by category 2. Retail box recommendation model development (2023. 05 ~ ) - When an order for 11Street retail products comes in, workers have previously judged and selected a box suitable for the ordered product among boxes of various sizes, but reduced work time and cost by developing a model that recommends an optimized box number - Currently applied to 20 11Street distribution centers 3. Advancement of repeat purchase recommendation model (2022. 06 ~ 12) - Conducting experiments and applying services to identify and improve model problems - Legacy code improvement → 46~56% reduction compared to the existing deployment time Show less

Researcher
- Sep 2020 - Nov 2020
Face Recognition (1:1, 1:N) model development and optimization → Compared to the previous model, performance improved from 98.1% to 99.37%, and speed improved from 1.2 seconds to 0.2 seconds Face Recognition (1:1, 1:N) model development and optimization → Compared to the previous model, performance improved from 98.1% to 99.37%, and speed improved from 1.2 seconds to 0.2 seconds

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