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

Director, Machine Learning Engineer

Promoted

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

Senior Staff Ranking Engieering, Tech Lead

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

Pony.ai

Senior Staff Tech Lead Manager

Jun 2021 – Dec 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 2020 – Jun 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 2019 – Sep 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 2011 – Aug 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.