# Andrew Liang

> Linux Performance & Observability

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

## Work Experience
### Senior Software Engineer II @ Cruise
Jan 2023 – Present
Performance engineering in a semi-realtime, safety-critical Linux/NVIDIA-based autonomous vehicle software stack

Focus: mixed-criticality heterogeneous compute workload optimization, resource sharing, scheduling, system reliability, latency analysis, long-tail system behavior analysis, Linux observability and tracing

Linux, perf_events, BPF, libbpf, bcc, cgroups, x86, aarch64, NVIDIA, CUDA, DriveOS, ROS, Python, C++, C

### Senior Software Engineer @ Cruise
Jan 2021 – Jan 2023
System Performance

### Software Engineer @ Cruise
Jan 2020 – Jan 2021
System Performance

### Speaker @ eBPF Summit
Jan 2021 – Jan 2021
Observing GPU Runtime Behavior Inside a Self-Driving Car

### Software Engineer Intern @ Cruise
Jan 2019 – Jan 2019 | San Francisco Bay Area
• Contributed to development of next-generation autonomous vehicle performance simulators in Python
• Developed tool for off-CPU analysis of AV stack with perf_events, eBPF, and Python
• Built APIs for jemalloc heap profiling with Python and C++

### Software Engineer Intern @ Databricks
Jan 2019 – Jan 2019 | San Francisco Bay Area
• Contributed to the development of a custom Spark runtime as a member of the Spark Serverless team in order to support team verticals in resource management, security, and library management
• Architected mechanism for Databricks control plane to consume arbitrary event messages from highly-distributed Spark clusters in the data plane using Scala
• Worked as member of development team for instance pools: a user-facing caching feature for cloud instances to reduce Spark cluster creation time by ~90%

### Distributed Storage Engineer Intern @ NVIDIA
Jan 2018 – Jan 2018 | Santa Clara
• Acted as a core member in the development of AIStore (previously DFC), a new distributed storage system for AI written in Go
• Invented petabyte-scale, distributed object sorting layer within AIStore: bit.ly/2yeYxOc
• Implemented dynamic node keepalive scheduler based on TCP’s RTO (RFC 6298) 
• Benchmarked and integrated implementation for h2c protocol for AIStore data and control planes
• Optimized for performance bottlenecks at scale using system profiling tools like pprof, go-torch, tcpdump

### Backend Engineer Intern @ Taplytics
Jan 2017 – Jan 2017 | Toronto, Canada Area
• Built a high-performance, distributed user push notification pipeline with Cloud Pub/Sub, Cloud Functions, and Node.js
• Created real-time webpage element classifier in JavaScript for A/B test suggestions
• Added RESTful HTTP APIs in Node.js to support data model backed in MongoDB

### Platform Engineer Intern @ Wattpad
Jan 2017 – Jan 2017 | Toronto, Canada Area
• Built an open-source client library in Go for interfacing with third-party ad-serving API
• Leveraged circuit breaker design pattern in Go to harden web microservices
• Implemented search-related APIs to in Go, PHP to support new ad requirements

### Data Engineer Intern @ Paytm Labs
Jan 2016 – Jan 2016 | Toronto, Canada Area
• Wrote daily indexing flow to write 30M documents from Elasticsearch to HDFS
• Developed CLI to trigger complex data pipelines via Azkaban
• Patched data pipelines in Python, Scala to support new data ingestion requirements
• Constructed a Grafana data dashboard with Lucene to evaluate business and traffic aggregate metrics

### Lifeguard, Swim Instructor @ YMCA of Greater Toronto
Jan 2013 – Jan 2015 | Mississauga, Ontario
• Supervised the pool in a team of 2-3 lifeguards to ensure the safety of YMCA aquatics members
• Instructed beginner to advanced standard swim techniques and strokes to youth aged 5-13
• Facilitated the competitive growth of the YMCA Swim Team as a coach


## Education
### Bachelor of Software Engineering (BSE)
University of Waterloo
Jan 2015 – Jan 2020

### High School in Regional Enhanced Program
Glenforest Secondary School
Jan 2011 – Jan 2015

### Explore in French Immersion Program
Cégep de Trois-Rivières
Jan 2013 – Jan 2013


## Contact & Social
- LinkedIn: https://linkedin.com/in/liangdrew
- Website: http://liangdrew.com

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Source: https://flows.cv/andrewliang
JSON Resume: https://flows.cv/andrewliang/resume.json
Last updated: 2026-03-22