Wilco Fiers
Product Owner Axe-core & Axe-linter at Deque Systems, Inc
Randstad, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolWilco Fiers is a product-focused accessibility engineer with 13 years of experience, currently leading axe-core and axe-linter as Product Owner at Deque Systems. Based in the Randstad, he blends front-end development with deep accessibility expertise—contributing significant checks and ARIA validations to the widely used dequelabs/axe-core and improving JSX a11y rules by integrating axe-core into eslint-plugin-jsx-a11y. His background in multimedia and software design gives him a practical, user-centered approach to automated accessibility testing and documentation. Known on GitHub as an "accessibility automation nerd," he often bridges tooling and real-world component patterns, including support for custom inputs that many linters miss.
12 years of coding experience
Informatica, software design, Informatica, software design at Leidse OnderwijsinstellingHBO, Communication Media Design, HBO, Communication Media Design at Fontys University of Applied SciencesMBO, Multimedia design, MBO, Multimedia design at Eindhovense school
Dutch, English
Github Skills (11)
accessibility10
ria10
javascript10
eslint10
ax10
wai-aria10
jsx10
react10
testing9
front-end-development9
html9
Programming languages (12)
Github contributions (5)
dequelabs/axe-core
Mar 2016 - Jan 2023
Accessibility engine for automated Web UI testing
Role in this project:
Accessibility Specialist & Front-end Developer
Accessibility Specialist & Front-end DeveloperContributions:16 releases, 1344 reviews, 956 commits in 7 years
Contributions summary:Wilco's commits primarily focus on enhancing the accessibility of the "axe-core" project. They implemented checks to validate ARIA attributes and HTML elements for best practices. The user ensured that the code works well for users who use assistive technologies, and also made improvements to the documentation.
web-uitestingopenui5a11ycdp
jsx-eslint/eslint-plugin-jsx-a11y
Jun 2019 - Oct 2019
Static AST checker for a11y rules on JSX elements.
Role in this project:Front-end Developer
Front-end DeveloperContributions:8 commits, 3 PRs, 16 comments in 4 months
Contributions summary:Wilco primarily worked on improving the `autocomplete-valid` rule within the eslint-plugin-jsx-a11y repository. Their contributions involved refactoring the rule, integrating with axe-core for accessibility validation, and updating test cases. They also focused on adapting the rule to support custom input components, suggesting a focus on enhancing accessibility checks for JSX elements.
reacteslintcheckerelementsjavascript
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