Mark Reay
Principal Engineer at Deque Systems, Inc
Edmonds, Washington, United States
Summary
👤
Senior🎓
Top SchoolMark Reay is a seasoned Principal Engineer with over three decades of hands-on software development and two decades of leadership across startups and major tech organizations, including a long tenure at Microsoft and current principal role at Deque Systems. He has led teams of 30+ engineers and driven architecture and delivery for large-scale projects spanning advertising platforms, Visual Studio Team Services, and the Accessibility Insights initiative. A pragmatic advocate of object-oriented design, test-first development, and agile practices, he still writes high-quality code—recently contributing React/TypeScript front-end accessibility improvements to Microsoft’s widely used Accessibility Insights for Web and to the eslint-plugin-jsx-a11y project. His background ranges from low-level systems and assembly on early microcomputers to modern web stacks and accessibility tooling, reflecting rare breadth and longevity in the field. Based in Edmonds, WA, he pairs entrepreneurial roots and startup experience with enterprise-scale engineering rigor to turn complex requirements into practical, maintainable systems.
10 years of coding experience
41 years of employment as a software developer
BS, Computer Science, 3.95, BS, Computer Science, 3.95 at University of WashingtonClark College
English
Github Skills (15)
html10
accessibility10
uid10
typescript10
javascript10
typescripts10
eslint10
front-end-development10
ax10
ui-design10
react10
jsx10
typescript-types10
testing10
css9
Programming languages (3)
Github contributions (5)
microsoft/accessibility-insights-web
Jan 2019 - Jul 2021
Accessibility Insights for Web
Role in this project:
Front-end Developer & Accessibility Specialist
Front-end Developer & Accessibility SpecialistContributions:64 commits, 48 PRs, 19 pushes in 2 years 6 months
Contributions summary:Mark primarily contributed to the front-end of the project, focusing on user interface updates and improvements. Their commits demonstrate an understanding of component-based development with React and TypeScript. A significant portion of their work involved implementing and modifying UI elements to enhance accessibility, adhering to accessibility guidelines and ensuring a better user experience.
accessibility-insightsa11ychromeextensionaxewcag
jsx-eslint/eslint-plugin-jsx-a11y
Mar 2019 - Mar 2019
Static AST checker for a11y rules on JSX elements.
Role in this project:Front-end Developer
Front-end DeveloperContributions:7 commits, 1 PR, 9 comments in 1 day
Contributions summary:Mark primarily focused on improving the accessibility of JSX elements within the `eslint-plugin-jsx-a11y` repository. Their contributions included modifying existing rules to account for non-literal roles and undefined properties. They introduced a utility function `isNonLiteralProperty` to check for non-literal properties, and added support for JSXText and ensured the code worked with the spread operator. The user also added test cases to validate the changes.
reacteslintcheckerelementsjavascript
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