# Yihong Liu

> SWE @ Atomic Machines | Waterloo Computer Engineering Alum.

Location: United States, United States
Profile: https://flows.cv/yihongliu

Computer engineering graduate from University of Waterloo. I'm interested in understanding computers at a low level and solving complex problems.

Outside of work I train Judo. Judo is a beautiful martial art and I really enjoy the growth and problem solving process.

## Work Experience
### Software Engineer @ Atomic Machines
Jan 2025 – Present | San Francisco Bay Area

### Software Engineer @ Observe, Inc.
Jan 2024 – Jan 2025 | San Mateo, California, United States
As a member of the data ingest team, I am responsible for the development and maintenance of a highly available, distributed, and latency sensitive data ingest pipeline with services written in modern C++ and Go. I was able to orchestrate collaboration across teams to drive impactful changes and able to independently identify and execute on high impact opportunities.

• Modeled and simulated interactions between backend services - lead to the discovery of a configuration optimization that reduced data latency by 16% and unit cost by 20%. 
• Designed and drove the development of a feature (inspired by CPU out of order execution) that addressed Kafka head of line queue blocking in a key Go service.
• Delivered custom transformations in modern C++ that transformed OpenTelemetry protobufs to a proprietary format to power a first class Kubernetes observability product.
• Maintained Go based control plane and GQL API to reflect changes in data pipeline capabilities.

### SDE Intern @ Amazon Web Services (AWS)
Jan 2023 – Jan 2023 | Vancouver, British Columbia, Canada
- Worked on improvements to the RDS export to S3 service.
- Built a more accurate system to track export progress
- Worked on implementing a new database partitioning method to improve export speed

### SDE Intern @ Amazon Web Services (AWS)
Jan 2022 – Jan 2022 | Vancouver, British Columbia, Canada
• Designed and implemented rds export api to enable customers to exclude objects from rds database exports.
• Reduced wasted resources and customer cost with smarter validation logic preventing empty exports.
• Refactored internal dynamoDB schema and EMR microservice to enable the combination of export-only and exclude parameters allowing for reduced CLI query size saving up to 4MB per query.

### Software Engineer Intern @ Asana
Jan 2022 – Jan 2022
• Led initiative to evaluate interoperability of various low level networking libraries in Rust.
• Implemented ARP probing and IP packet forwarding achieving speeds of up to 4000mb/s as a part of a
research project evaluating the viability of a hostname based network egress filter.

### Backend Developer Co-op @ Shopify
Jan 2021 – Jan 2021
• Redesigned webhook system to only subscribe to necessary webhooks, reducing wasted messages by 90%.
• Migrated legacy Ruby services to consume modern GraphQL API improving developer experience.
• Extended data transform API to enable 80K+ users to see more granular workflow run status information.

### Software Engineer Co-op @ PointClickCare
Jan 2021 – Jan 2021 | Remote
Working with React Redux and Java Springboot to deliver technology solutions to the post acute care industry.

### Global Equity Derivatives @ TD Securities
Jan 2020 – Jan 2020 | Toronto, Ontario, Canada
Structured Notes Team
- Assisted in day to day operations of structured notes desk by booking trades and exotic option structures into various databases
- Leveraged Python, Excel, and internal API's to develop custom solutions for traders

### Electronics Team Member @ University of Waterloo Formula Motorsports
Jan 2019 – Jan 2020
- Updated design for power distribution unit, correcting previous design oversights
- Drew schematics and PCB layout in Autodesk Eagle
- Soldered components to power distribution unit
- Created 3D models for car shifting system and wiring harness in SolidWorks

### Undergraduate TA @ University of Waterloo
Jan 2019 – Jan 2019 | Waterloo, ON
- Developed Python scripts to automatically grade coding labs and projects
- Created canonical solutions for C++ projects, labs, and quizzes
- Sped up time of attendance during quizzes by developing Android Kotlin app to scan student ID cards
- Received praise from students and professors on tutoring of of difficult concepts in physics, calculus, linear algebra, and C++

### Solutions Developer @ Axsium Group
Jan 2019 – Jan 2019 | Toronto, Canada Area
- Developed and maintained 3 automated test suites allowing for proper regression testing
- Worked with Ruby Cucumber, Java Selenium, and Appium
- Automated insertion of data into SQL database using Ruby scripts
- Assisted in the maintenance and development of ASP .NET MVC web applications
- Wrote scripts in Ruby, Bash, and C++ to automate parts of the job.

### Co-Owner @ JA Southern Alberta
Jan 2017 – Jan 2018 | Calgary, Canada Area
Clothing brand created by highschool students. I played a key role in managing the production line, and ensuring t-shirts were produced on time.


## Education
### Bachelor of Applied Science - BASc in Computer Engineering
University of Waterloo

### Foreign Exchange
National Taiwan University


## Contact & Social
- LinkedIn: https://linkedin.com/in/yihong-liu-b70a96170

---
Source: https://flows.cv/yihongliu
JSON Resume: https://flows.cv/yihongliu/resume.json
Last updated: 2026-04-10