Ziyou Ren

Machine Learning Engineer @TikTok

San Jose, CA, US

MLE for e-commerce content recommendation- Govern the ecosystem by desboosting negative-feedback contents, improve the CVR by 2.15%, GPM by 4.07%, and decrease the dislike number by 5.51%- Alleviate clickbait issue and improve conversion by adding a new retrieval lane, gain benefits by 2.28% in order payment, 1.47% in GMV- Increase user stickiness by adding staytime-based retrieval lanes and redirected-interest-based lanes, gain benefits by 2.50% in watch duration, and 2.23% in like penetration.