Tim Duffey
Senior Software Developer at ThousandEyes (part of Cisco)
Bremerton, Washington, United States
Summary
👤
Senior🎓
Top SchoolTim Duffey is a senior software developer with 13 years of experience specializing in front-end and full-stack web applications, currently shaping design systems at ThousandEyes (Cisco). He built robust UI tooling and CI/CD for Redfin’s internal design system, led cross-team initiatives like removing IE support, and contributed front-end fixes to notable open-source projects such as the Battle for the Net widget and Redfin’s react-server. Comfortable across the stack—from .NET middle-tier work to modern JavaScript and responsive design—he combines strong communication skills from an early sales background with hands-on engineering. A mentor and volunteer leader in his community’s coder dojo, he’s also an entrepreneur running a local sports center, reflecting a practical, team-first approach to technology and community impact.
13 years of coding experience
14 years of employment as a software developer
Computer Science, Computer Science at Tacoma Community CollegeBachelor of Arts, Management Information Systems, GPA: 3.23, Bachelor of Arts, Management Information Systems, GPA: 3.23 at Washington State University
English
Github Skills (11)
html10
css10
javascript10
lessc10
backward-compatibility10
front-end-development10
cross-browser10
react10
browser-support10
isomorphic9
react-ssr8
Programming languages (2)
Github contributions (5)
redfin/react-server
Nov 2015 - Jul 2016
:rocket: Blazing fast page load and seamless navigation.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:23 commits, 19 PRs, 8 comments in 8 months
Contributions summary:Tim made significant contributions to the `react-server` project, primarily focused on developing the website portion. They implemented new homepage features, including content sections, and styling. The user also addressed LESS compilation and hot-reloading issues. Additionally, they integrated a DocTitle component and addressed the background gradient for the homepage.
reactblazingisomorphicrocketssr
fightforthefuture/battleforthenet-widget
Jul 2017 - Jul 2017
Embed this widget on your site and help save net neutrality!
Role in this project:Front-end Developer
Front-end DeveloperContributions:6 commits, 4 PRs, 14 comments in 4 days
Contributions summary:Tim primarily focused on improving the front-end functionality and compatibility of the widget. They fixed a cookie-related bug, updated styling, and added fallbacks for different browser environments, notably addressing issues with older browsers like IE11 and Edge. The user also made improvements to the demo pages and addressed visual rendering problems to enhance cross-browser compatibility and ensure a better user experience.
widgetnet-neutrality
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