Dave (Zhirong) Liang

Director of Engineering

Palo Alto, California, United States15 yrs 10 mos experience
Most Likely To SwitchAI ML Practitioner

Key Highlights

  • Expert in machine learning and algorithm development.
  • Proven track record in enhancing ad personalization.
  • Strong leadership in engineering and project management.
Stackforce AI infers this person is a Machine Learning Engineer with extensive experience in B2C and SaaS industries.

Contact

Skills

Other Skills

AlgorithmsArtificial IntelligenceCC++Computer ScienceData MiningData StructuresDesign PatternsDistributed SystemsGitHadoopInformation RetrievalJavaLaTeXLinux

Experience

15 yrs 10 mos
Total Experience
2 yrs 7 mos
Average Tenure
3 yrs 6 mos
Current Experience

Coupang

3 roles

Director II, Machine Learning Engineer

Mar 2025Present · 1 yr 3 mos · Mountain View, California, United States · On-site

Director, Machine Learning Engineer

Promoted

Sep 2023Mar 2025 · 1 yr 6 mos · Mountain View, California, United States · On-site

Senior Staff Ranking Engieering, Tech Lead

Dec 2022Sep 2023 · 9 mos · Mountain View, California, United States · On-site

Pony.ai

Senior Staff Tech Lead Manager

Jun 2021Dec 2022 · 1 yr 6 mos · Fremont, California, United States

  • Engineering leader supporting multiple teams working on motion planning features and planner performance evaluation, which are on the very core of Pony.AI's mission.

Facebook

Software Engineer Manager

Sep 2020Jun 2021 · 9 mos · Menlo Park, California, United States

  • Supporting a team of engineers and research scientists working on the advance matching ML models, algorithm and system that empower better personalized ad experiences.
  • Had a delightful journey in Facebook and I am very proud to be part of the team that helps the company to shift towards a more resilient ads business.

Uber

Staff Software Engineer (L6)

Aug 2019Sep 2020 · 1 yr 1 mo · San Francisco Bay Area

  • Rewrote Uber's incentive allocation algorithm with a set of new ML models, with significant better prediction accuracy.

Google

Staff Tech Lead Manager

Mar 2011Aug 2019 · 8 yrs 5 mos · Mountain View

  • 2011 - 2014: Shopping modeling team, built 5 new interactions of Shopping's CTR models, with $XXX millions revenue impact with each launch.
  • 2014 - 2017: Shopping search quality. Auction, threshold, pricing and relevance ranking. Shipped new relevance model that direct contributed to 0.X% of Google's revenue.
  • 2017 - 2019: Tech lead and then manager of showcase quality team and Shopping ads on Youtube quality team.

Microsoft

2 roles

SDE

Aug 2010Mar 2011 · 7 mos · Shanghai City, China

  • Contributed to billing features in Microsoft's commerce transaction platform.

SDE Intern

Oct 2007Feb 2008 · 4 mos · Shanghai, China · On-site

Education

Carnegie Mellon University

Master’s Degree — Software Management

Jan 2016Jan 2019

Sun Yat-sen University

Master's degree — Computer Software & Theory

Jan 2008Jan 2010

Sun Yat-sen University

Bachelor's degree — Computer Science

Jan 2004Jan 2008

Stackforce found 100+ more professionals with Algorithms & Artificial Intelligence

Explore similar profiles based on matching skills and experience