Seth Bertalotto
Senior Principal Software Engineer at Yahoo
Sunnyvale, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSeth Bertalotto is a Senior Principal Software Engineer with 14 years of professional experience and over a decade building high-performance, accessible web applications for large-scale media properties at Yahoo. He architects and ships Next.js/React and Node.js solutions that prioritize semantic HTML, SEO, cross-browser compatibility and web performance while mentoring hundreds of engineers through training and standards. A pragmatic leader with deep front-end craft, Seth has driven migrations to modern test tooling (Jest, WebdriverIO) and helped keep core frameworks up-to-date for React 16/18 compatibility. His open-source contributions to well-known projects like react-stickynode and Pure CSS show a focus on component reliability, documentation, and pragmatic improvements such as subresource integrity and dependency modernization. Based in Sunnyvale, he pairs hands-on development with clear communication across product and design teams to deliver consistent, production-grade experiences at scale.
13 years of coding experience
12 years of employment as a software developer
Bachelors Computer Science, Bachelors Computer Science at Westfield State University
English
Github Skills (16)
html10
jes10
css10
responsive-design10
javascript10
fluxor10
docusaurus10
webpages10
front-end-development10
ui-design10
jestjs10
react10
jtest10
flux10
webdriverio9
Programming languages (8)
Github contributions (5)
yahoo/fluxible
Nov 2014 - Sep 2022
A pluggable container for universal flux applications.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:20 releases, 99 reviews, 189 commits in 7 years 11 months
Contributions summary:Seth primarily contributed to the front-end of the Fluxible application by adding and modifying routes, including adding community articles and menu entries. They also addressed errors in the dispatcher and added features to handle errors, extending the core functionality of the framework. Furthermore, the user updated the project to support React 16, demonstrating their commitment to keeping the project current and maintainable.
javascriptreactfluxpluggable
pure-css/pure
Dec 2015 - Jan 2023
A set of small, responsive CSS modules that you can use in every web project.
Role in this project:Front-end Developer
Front-end DeveloperContributions:14 releases, 13 reviews, 147 commits in 7 years 2 months
Contributions summary:Seth primarily contributed to improving the Pure CSS documentation site. They refactored code, fixed various issues related to menu and layout displays. Also, they enhanced the site by incorporating button icons, fixing download links and adding google verification metadata.
csscss-modulesresponsive-cssweb-projectcss-framework
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