Mason Malone
Software Development Engineer 5.5 at Argo Project
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolMason Malone is a seasoned software engineer and technical lead with over 14 years of professional experience and more than two decades of hands-on development expertise. Currently a Software Development Engineer and Argo Workflows maintainer in Seattle, he has led large migrations to Kubernetes, built CI/CD integrations with Argo, and designed cross-service secret management and dev environments at Adobe Stock. He was the first employee at a SaaS startup and has repeatedly modernized infrastructure—improving test performance by orders of magnitude and introducing standardized Docker-based developer workflows across dozens of services. An active open-source contributor, Mason has contributed to and maintained high-profile projects like Argo Workflows and WireMock, adding practical features such as API snapshotting and improved artifact handling. He combines deep backend and DevOps skills with pragmatic tooling and review processes, having reviewed thousands of PRs and written a Terraform provider and numerous CI/CD improvements. Colleagues rely on him for large-scale operational fixes and thoughtful engineering trade-offs that minimize toil while improving reliability.
14 years of coding experience
12 years of employment as a software developer
BS, Computer Engineering, BS, Computer Engineering at University of Florida
Github Skills (27)
unit-testing10
json10
codeception10
kubernetes10
webdriver10
apidoc10
testing10
workflow-engine10
java10
javas10
php10
go10
api10
rest10
kubernetes-pods10
Programming languages (21)
Github contributions (5)
wiremock/wiremock
Apr 2017 - May 2021
A tool for mocking HTTP services
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 73 commits, 14 PRs in 4 years 2 months
Contributions summary:Mason primarily contributed to the development of the WireMock API, focusing on enhancements and new features related to snapshotting and response templating. They implemented a new API endpoint for recording stub mappings from the request journal, adding options for filtering, persistence, and output formatting. Additionally, the user extended the response templating extension to incorporate proxy URLs and refined the default settings for the snapshot feature. These modifications improved the functionality and usability of the API mocking tool.
wiremockmock-serverstubbingxmltesting
argoproj/argo-workflows
Sep 2024 - Apr 2025
Workflow Engine for Kubernetes
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:138 reviews, 63 PRs, 296 comments in 6 months
Contributions summary:Mason contributed to workflow artifact management by improving HTTP and Artifactory artifact loading and saving. They enhanced the CLI by adding version headers and addressing client-server mismatches, and they also refactored CLI error handling. Furthermore, the user worked on improving code quality by fixing build failures and optimizing tests.
workflow-automationdagworkflow-enginemachine-learninghpa
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