Evan Jacobs
Software Development Manager at Amazon Web Services (AWS)
Seattle, Washington, United States
Summary
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RockstarEvan Jacobs is a Software Development Manager at AWS with 11 years of experience building both greenfield startups and large-scale systems serving millions of users. He blends hands-on engineering with leadership, shipping performant, production-grade solutions while mentoring teams. A prolific front-end and full-stack open-source contributor, Evan has improved cornerstone projects in the CSS-in-JS and bundler ecosystems—contributing to styled-components, emotion, Formik and webpack—often focusing on performance, SSR, and TypeScript robustness. He enjoys digging into low-level optimizations and developer experience improvements, from serializer and CSP fixes to build tooling and theming. Based in Seattle, he pairs a pragmatic product focus with deep technical craftsmanship and a habit of starting libraries that others rely on.
11 years of coding experience
Github Skills (41)
babel610
markdown10
formik10
javascript10
theming10
jes10
testing10
css10
css-in-js10
typescript10
s610
styled-components10
emotion10
bundle10
forms10
Programming languages (21)
Github contributions (5)
styled-components/babel-plugin-styled-components
Dec 2017 - Apr 2022
Improve the debugging experience and add server-side rendering support to styled-components
Role in this project:
Front-end Developer
Front-end DeveloperContributions:32 releases, 19 reviews, 155 commits in 4 years 4 months
Contributions summary:Evan focused on enhancing the development experience and functionality of the styled-components Babel plugin. Their work involved converting existing fixture tests to snapshots for easier comparison, improving the codebase's maintainability. They also addressed a bug related to component ID prefixes and contributed to the plugin's core functionalities. Furthermore, they contributed to code quality and readability by running a code formatter.
babelreactsvgrbabel-pluginstyled-components
styled-components/styled-components
Jul 2017 - Jan 2023
Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress 💅
Role in this project:Front-end Developer
Front-end DeveloperContributions:129 releases, 165 reviews, 995 commits in 5 years 6 months
Contributions summary:Evan made several contributions to the `styled-components/styled-components` repository, primarily focused on improving the library's features and test coverage. The user implemented support for the `__webpack_nonce__` attribute, which is crucial for projects using Webpack with Content Security Policy (CSP). They also added tests for verifying the proper usage of the attribute, integrated a fix for React's StrictMode, and generally improved the code and added many new features. This included the creation and improvement of SSR (Server Side Rendering) features by improving the codebase.
reactagecssjavascriptcss-in-js
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