# Hao Lin

> Machine Learning Engineer at Nextdoor

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

Have worked across all parts of the tech stack (frontend, backend, infrastructure) but specialized in scaling distributed systems. Currently working on the machine learning platform at Nextdoor. 

Interested in building impactful products

## Work Experience
### Senior Machine Learning Engineer @ Nextdoor
Jan 2021 – Present
Machine learning platform team building tooling & infrastructure for feature engineering and storage, and model training, deployments, and low latency serving.

### Principal Software Engineer @ SHRAPNEL
Jan 2024 – Jan 2024
Platform

### Software Engineer @ Suki
Jan 2019 – Jan 2021
- Worked on scaling voice streaming and audio + note storage backend to support 10x more users
- Lead backend design and implementation for major features
- Machine Learning Data Infrastructure for ASR (voice to text), intent extraction, recommendations model training
- EMR (Athenahealth, Epic, Cerner) and SSO (Okta, Google, Apple) integrations

### Software Engineer @ Qualtrics
Jan 2017 – Jan 2019 | Greater Seattle Area
- Survey Platform responsible for rendering, collecting, and processing millions of surveys and survey responses a day
- Data Platform building real-time big data processing pipelines and analytics API layer. Scale of terabytes of data and billions of records

### Software Engineer @ Amgen
Jan 2016 – Jan 2016
Developed an Android app for conducting virtual clinical trials


## Education
### Bachelor's degree in Computer Science
University of California, Berkeley


## Contact & Social
- LinkedIn: https://linkedin.com/in/hrlin

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