Simon Zhao

Simon Zhao

Senior Machine Learning Engineer

Followers of Simon Zhao2000 followers
location of Simon ZhaoSingapore, Singapore

Connect with Simon Zhao to Send Message

Connect

Connect with Simon Zhao to Send Message

Connect
  • Timeline

  • About me

    Machine Learning Engineer at Meta

  • Education

    • Yunnan University

      2007 - 2011
      Bachelor's Degree Electrical and Electronics Engineering
    • Guizhou University

      2011 - 2014
      Master's Degree Electrical and Electronics Engineering
    • Tsinghua University

      2012 - 2014
      Joint Graduate Integrated Circuit Design
  • Experience

    • Jumei.com

      Jan 2014 - Jan 2017
      Senior Machine Learning Engineer

      Machine Learning - Recommendation AlgorithmMonthly Active Users: > 50 millionsPIC of machine learning, built pipeline & models from scratch. - 1) Recommendation (Recall & Rank) Algorithms: Have developed and optimized recommendation data pipeline & algorithms (recall & ranking) for Jumei.com, with my effort, the GMV has +46.6% on the main page of jumei.com, for product detail pages, GMV has +83.3%, as well as other minor scenarios. - 2) Natural Language Processing: Have developed natural language processing system to automatically deal with product comments & customer complaints. - 3) Customer Retention Algorithms: Have applied machine learning to automatically deal with customer retention issues. Show less

    • Alibaba Group

      Jan 2017 - Jan 2020
      Senior Machine Learning Engineer

      Alipay - Machine Learning - Recommendation AlgorithmsMonthly Active Users: > 1 billion - 1) Alipay Mall (or Benefit Pay): Alipay Mall machine learning PIC. Alipay Mall was the core and largest recommendation scenario in Alipay (Monthly Active Users > 400 million). - 2) Alipay User / Item Protraits: Have built a full set of user and item portraits for Alipay. They are still widely used in Alipay today. - 3) Alipay Red Packet: Alipay core marketing activity in 2018 (billion dollars scale). Participated in ROI (Return On Investment) Algorithm Research & Development: the minimum budgets to spur the maximum Daily Active Users. - 4) Alipay Voucher Recommendation: Core marketing activity of Alipay in 2018 (billion dollars scale). Participated in Recommendation System and Algorithms development. - 5) Machine Learning Online Monitors: Have built up the monitor systems to monitor each step in the machine learning data pipeline, in order to fast detecting any model performance issues. Show less

    • Shopee

      Jan 2020 - Jan 2024
      Senior Expert Machine Learning Engineer

      Machine Learning - Ads & Recommendation AlgorithmsMonthly Active Users: > 500 millions - 1) Recommendation (Recall & Rank) Algorithms: Have developed and optimized recommendation algorithms for most scenarios in Shopee, some scenarios even doubled their orders with my effort. - 2) Search Ads Ranking Algorithms: Have developed and optimized search ads ranking & CTR calibration algorithms for search ads, improved CTR & revenue. - 3) Rerank Algorithms: Have solved the recommendation homogeneous problem for Shopee. - 4) Post-purchase filters: Have solved the post purchase problems for Shopee. - 5) Reinforcement Learning Algorithms: Have successfully applied Reinforcement Learning in productive recommendation system. Show less

    • Meta

      Jan 2024 - now
      Staff Machine Learning Engineer

      Machine Learning - Recommendation AlgorithmsMonthly Active Users: > 3 billionsFacebook Feeds RecommendationResponsible for Facebook In-Feeds Ranking, responsibilities including ML data pipeline, feature engineering, ML models etc. * Trillion-parameter large generative models for recommendation systems. * Sequence modeling & feature crossing enhancement.

  • Licenses & Certifications

    • AWS Certified Cloud Practitioner

      Amazon Web Services (AWS)
      May 2021
      View certificate certificate
    • Reinforcement Learning Specialization Certificate

      University of Alberta
      May 2020
      View certificate certificate
    • Deep Learning Specialization Certificate

      Deeplearning.ai
      Aug 2023
      View certificate certificate
    • Machine Learning Engineering for Production (MLOps) Specialization Certificate

      DeepLearning.AI
      Sept 2022
      View certificate certificate
    • Natural Language Processing Specialization Certificate

      DeepLearning.AI
      Jul 2021
      View certificate certificate
    • People and Team Leadership Specialization Certificate

      University of Michigan
      Oct 2020
      View certificate certificate
    • Certified Blockchain Expert

      Blockchain Council
      Jun 2022
      View certificate certificate
    • Data Science Professional Certificate

      IBM
      Jun 2020
      View certificate certificate
    • Generative AI with Large Language Models Certificate

      DeepLearning.AI
      Jul 2023
      View certificate certificate