# Hairuo Sang

> ML Infra @ Meta

Location: San Francisco, California, United States
Profile: https://flows.cv/hairuo

Looking for full time opportunities!

## Work Experience
### Software Engineer @ Meta
Jan 2021 – Present | New York City Metropolitan Area
Personalized early stage ads retrieval and ranking, ML Infra

https://engineering.fb.com/2024/12/02/production-engineering/meta-andromeda-advantage-automation-next-gen-personalized-ads-retrieval-engine/

### Software Engineering Intern @ Uber Advanced Technologies Group
Jan 2018 – Jan 2018 | San Francisco Bay Area
On the Data Infra team

### Software Engineering Intern @ Uber Advanced Technologies Group
Jan 2018 – Jan 2018 | San Francisco Bay Area
On the U4B team

### Software Engineering Intern @ Amazon
Jan 2017 – Jan 2017 | Toronto, Canada Area
On the supply chain optimization team.

• Designed and implemented a real time infraction suspension system using Java, Spring, EC2, Lambda, SQS and Kinesis
• Leveraged microservice architecture to create a low latency and highly scalable design
• Created a dashboard portal allowing monitoring and customization of the suspension system using React.js

### Software Engineering Intern @ Mixpanel
Jan 2017 – Jan 2017 | San Francisco Bay Area
On the mobile team working primarily on the iOS app and Swift SDK

• Designed and implemented a multithreaded track/flush/archive system in the swift SDK to prevent data loss over poor connections.
• Implemented many performance and UI bug fixes to the iOS app
• Helped implement a new OAuth flow around the existing Mixpanel API allowing Mixpanel to integrate with numerous other so ware solutions (Stripe, Salesforce, Drift , etc.)
• Lead development of the Mixpanel Salesforce integration


## Education
### Bachelor of Science (B.S.) in Computer science (Specialist)
University of Toronto


## Contact & Social
- LinkedIn: https://linkedin.com/in/hsang
- Portfolio: http://herosang.github.io
- GitHub: http://github.com/herosang
- Portfolio: http://devpost.com/DawnOfHammers

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Source: https://flows.cv/hairuo
JSON Resume: https://flows.cv/hairuo/resume.json
Last updated: 2026-03-29