Brendan Baldwin
Software Engineer at soundcloud
Eagle, Idaho, United States
Summary
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RockstarBrendan Baldwin is a software engineer with 18 years of experience who focuses on building reliable, user-centered web software. Based in Eagle, Idaho, he brings deep front-end and tooling expertise, having contributed significant test automation and TypeScript migrations to the widely used Lit web components library. Brendan also improved Polymer tooling around CSS imports, base tag resolution, bundling, and URL rewriting, reflecting a strong knack for solving subtle build and runtime issues in component ecosystems. He blends hands-on development with QA and infrastructure work, often improving test coverage and developer experience in open-source projects. Colleagues would describe him as pragmatic and detail-oriented, with a particular talent for turning legacy testing and bundling setups into modern, maintainable pipelines.
18 years of coding experience
Stackoverflow
21reputation
4kreached
4answers
1question
Github Skills (25)
javascript10
polymer10
typescript10
web-components10
html-template10
bundle10
lit10
typescript-types10
typescripts10
bundling10
css9
build-automation9
lit-html9
html9
automations8
Programming languages (11)
Github contributions (5)
Polymer/tools
Aug 2016 - Apr 2020
Polymer Tools Monorepo
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:2 reviews, 1503 commits, 274 PRs in 3 years 9 months
Contributions summary:Brendan focused on enhancing the Polymer tools monorepo by introducing and refining features related to web component development. Their contributions included adding and maintaining CSS import support, handling base tag resolution, and refactoring the bundling and source-map-related tooling within the project. They implemented solutions to address issues related to relative URL rewriting within templates and inlining module and style tags. Their work involved inlining JavaScript modules with support for dynamic imports and rewriting URLs.
monorepopolymer
lit/lit
Oct 2018 - Jan 2023
Lit is a simple library for building fast, lightweight web components.
Role in this project:Front-end Developer & QA Engineer / Test Automation Engineer
Front-end Developer & QA Engineer / Test Automation EngineerContributions:75 reviews, 31 commits, 71 PRs in 4 years 3 months
Contributions summary:Brendan primarily focused on updating and improving the testing infrastructure and test coverage of the Lit web components library. They migrated tests from legacy testing frameworks to more modern Web Test Runner and implemented TypeScript for test files. Additionally, they modified and added tests to cover specific scenarios, including ensuring the virtualize directive rendered changes based on non-item data modifications and fixing bugs. Their work also included adding and improving testing helpers and test setup.
litlit-elementweb-componentsjavascriptwebcomponents
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