Jianli
Li
Beijing
Highly experienced Senior Algorithm Engineer with a Master's degree in Software Engineering and Engineering Management. Proven expertise in recommendation systems, advertising algorithms, machine learning platforms, and data analysis. Demonstrated success in improving conversion rates, optimizing ROI, and leading algorithm development teams. Strong background in backend development and system architecture, with a track record of innovation and achieving significant business impact.
Scroll to explore
Experience
My professional journey and the amazing teams I've been part of
DiDi
Dec 2020 — Invalid Date
Increased conversion rate by 2.0PP in small and medium-sized cities.
Saved 2 person-days per city through automation.
Increased offline AUC by 0.5+PP and online conversion rate by 0.24PP through model iteration.
DeepZero Ipinyou
Jul 2019 — Nov 2020
Completed Leads Scoring machine learning platform construction for a large car company.
Completed influenza prediction machine learning platform construction for a large pharmaceutical company.
Led Holmes product research and development.
Doubled the cost and ROI for an e-commerce company.
Improved TA concentration for 20+ brand advertising projects.
Ipinyou
Jul 2018 — Jul 2019
Built TA service system from 0 to 1 with 78%+ accuracy.
Shortened CVR estimation data stream training time by over 5 hours.
Increased offline AUC by ~5% on average by improving feature system and using FFM/MLR.
Significantly increased online ROI and customer unit price by building an ROI model.
Designed and implemented PDB traffic distribution algorithm.
Explored and implemented ESMM model in DSP advertising system.
Cheetah Mobile
Mar 2016 — Jul 2018
Increased click-through rate by about 5% through hourly CTR model transformation.
Increased revenue by 5% to 10% by building a PC model using down-sampling.
Achieved good results in predicting Twitter expressions based on text at Hackathon.
Obtained a patent related to traffic monitoring.
Affiliate advertising business increased by about 700% in 2017.
Developed core functions for Cheetah Mobile's SSP platform.
Implemented automated deployment using Git and Jenkins.
Transformed system services based on Spring Cloud.
Neusoft Group Co., Ltd.
Jul 2012 — Oct 2015
Contributed to the maintenance and customized development of financial software for the State Administration of Taxation.
Designed and developed a unified data analysis platform for tax-related data.
Completed design, development, and maintenance of the tax risk module.
Participated in the design and development of 10+ multi-dimensional statements.
Used machine learning methods (clustering, decision trees) for feature extraction.
Developed monitoring and evaluation systems for tax collection and management data.
Designed and developed a multi-threaded, distributed computing task execution framework.
Won the Provincial Excellent Information Software Award (2014).
Education
Where I built the foundation of my expertise
Class of
Class of
Class of