Hsing-hui Hsu is a Senior Software Engineer in Seattle with nine years of experience building cloud-native tooling and developer experiences, currently at Webflow after a multi-year tenure at AWS. At AWS she led efforts that brought ECS to CDK users and added Golang support to jsii, work that unlocked infrastructure-as-code for new language users and helped onboard roughly 100,000 customers in a year. Her open-source contributions span prominent repos like aws/copilot-cli, aws-cdk, and jsii, where she focused on backend, DevOps, and IaC improvements including project schema versioning, build/version tooling, and ECS examples for CDK. She blends deep systems and distributed-systems chops with practical DevOps sensibilities—ship-ready features, refactors, and test coverage are consistent themes in her work. A former classical musician turned software engineer, she brings disciplined problem-solving and cross-disciplinary communication to complex engineering projects.
9 years of coding experience
8 years of employment as a software developer
Bachelor of Music; Bachelor of Arts, Clarinet performance; French studies, cum laude, Bachelor of Music; Bachelor of Arts, Clarinet performance; French studies, cum laude at Rice University
Software Engineering, Software Engineering at Ada Developers Academy
The Amazon ECS CLI enables users to run their applications on ECS/Fargate using the Docker Compose file format, quickly provision resources, push/pull images in ECR, and monitor running applications on ECS/Fargate.
Role in this project:
Backend Developer
Contributions:10 releases, 2 reviews, 301 commits in 3 years 2 months
Contributions summary:Hsing-hui implemented the `--instance-role` flag to the `ecs-cli up` command, allowing customers to specify a custom IAM Role for EC2 instance profiles. They also added several unit tests to validate the functionality of the new flag and edge cases, such as when the `--capability-iam` flag is also set. Furthermore, the user fixed a typo in the CloudFormation template and updated the AMI to a more recent Amazon ECS-optimized image.
Contributions:20 commits, 18 PRs, 5 pushes in 2 years 2 months
Contributions summary:Hsing-hui primarily contributed to examples using the AWS CDK, focusing on infrastructure-as-code solutions. They implemented and refined ECS examples, including services with ALB configurations and task placement strategies. Their work also involved correcting existing examples and adapting them for different scenarios, highlighting a strong focus on container orchestration and cloud-native deployments. Furthermore, they demonstrated the ability to leverage infrastructure as code for a broad range of AWS resources.
cloud-infrastructureexample-projectsawscdkaws-cdk
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Hsing-hui Hsu - Senior Software Engineer at Webflow