Ho-sheng Hsiao
Lead Platform Engineer
Phoenix, Arizona, United States
Summary
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RockstarHo-sheng Hsiao is a Lead Platform Engineer with 18 years of experience building cost-efficient, resilient cloud platforms and user-facing applications using Ruby on Rails, Elixir, and Kubernetes. He has a proven track record of bringing cloud infrastructure in-house, implementing Kubernetes-based deployments with autoscaling and observability, and reducing cloud costs—most notably cutting AWS MSK costs 4x and resolving a 3-year production Kafka bug that reduced memory use 160x and ingestion time 40x. Comfortable across backend development and ops, he authors tooling (Kafka topic managers, custom Kubernetes operators in Elixir, CI/CD improvements) and contributes to notable open-source projects such as Chef and Plaid. Based in Phoenix and remote-first, he seeks meaningful work with societal impact and prioritizes roles involving ML/AI.
18 years of coding experience
15 years of employment as a software developer
Chinese
Stackoverflow
1,327reputation
216kreached
9answers
0questions
Github Skills (36)
json10
apim10
erlang10
package-management10
testing10
rspec10
configuration-management10
authentication10
user-authentication10
ruby10
automation10
api10
build-automation10
automations10
software-packaging10
Programming languages (10)
Github contributions (5)
chef/chef
Mar 2012 - Mar 2013
Chef Infra, a powerful automation platform that transforms infrastructure into code automating how infrastructure is configured, deployed and managed across any environment, at any scale
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:125 commits in 11 months
Contributions summary:Ho-sheng primarily contributed to the testing and quality assurance aspects of the project. Their commits focused on fixing intermittent test failures, adding new tests, and improving the overall test suite structure. The user also addressed issues specific to Windows environments, demonstrating a focus on cross-platform compatibility and testing across different operating systems. These contributions improved the robustness and reliability of the project's testing framework.
devopsdeploymentansibleinfrastructureinfra
plaid/plaid-ruby
Apr 2015 - Apr 2015
Ruby bindings for Plaid
Role in this project:Back-end Developer
Back-end DeveloperContributions:41 commits, 9 PRs, 38 comments in 7 days
Contributions summary:Ho-sheng refactored authentication-related code, improving the specifications for the Plaid Ruby bindings. They addressed inconsistencies and implemented the use of the built-in JSON library. This included refactoring existing specs to use more idiomatic RSpec and adding pending examples to the specs. The changes involve the core functionality of the Plaid API bindings.
ruby-bindingsrubyplaid
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