# Hsing-Hui Hsu

> Senior Software Engineer

Location: Seattle, Washington, United States
Profile: https://flows.cv/hsinghui

## Work Experience
### Senior Software Engineer @ Webflow
Jan 2022 – Jan 2025 | Seattle, Washington, United States
Optimized CI/CD Buildkite pipeline, reducing median build times by ~50% within three months. Introduced a data-driven approach to troubleshooting build failures. Implemented LRU cache for build artifacts and fast failures on draft builds. Modernized the tech stack for a monolithic Javascript codebase, used infrastructure as code (Terraform, Pulumi) for platform updates, and designed improvements to the deployment pipeline architecture to reduce the number of incidents caused by escapes.

### Software Development Engineer @ Amazon Web Services
Jan 2016 – Jan 2022 | Seattle, WA
•	Tech lead for new ECS Developer Experience team focusing on maintaining Open-Source tools for AWS and ECS including the ECS CLI v1 and v2 (AWS Copilot).
•	Led cross-organization collaboration with the Developer Tools team to build the ECS module for AWS Cloud Development Kit (https://github.com/aws/aws-cdk), an open-source infrastructure-as-code tool built on top of AWS CloudFormation, resulting in ~100,000 new ECS customers in the first year. 
•	Designed and built support for Golang in the Javascript Interoperability Interface (JSII), allowing developers to use Golang to define infrastructure as code using the CDK.
•	Built features into the container management backend service to support AWS CodeBuild integration and container networking using EC2 Elastic Network Interfaces, which was foundational for supporting AWS Fargate.

### Software Developer @ CareZone
Jan 2014 – Jan 2016 | Seattle, WA
•	Maintained and wrote features for web client and JSON API for iOS/Android clients
•	Collaborated on building new internal workflow tools that integrated legacy vendor systems
•	Wrote integrations for system monitoring services
•	Onboarded senior developers and provided mentorship for junior developers

### Software Engineer - Contract @ Foundry Interactive
Jan 2016 – Jan 2016 | Seattle, WA
Migrated customer website to Ruby on Rails and built e-commerce platform.

### Engineering Intern @ EMC
Jan 2014 – Jan 2014 | Seattle, Washington, United States
•	Optimized parsing of client log files to generate failure reports matching stacktraces with known bugs
•	Reconciled conflicting legacy scripts to integrate new feature in reporting service


## Education
### Bachelor of Music; Bachelor of Arts in Clarinet performance; French studies
Rice University

### Software Engineering
Ada Developers Academy


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

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