Konstantin Shcheglov
Portland, Oregon, United States
Summary
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RockstarKonstantin Shcheglov is a seasoned software engineer with 14 years of experience specializing in developer tools, static analysis, refactorings, and IDE integrations—most recently focusing on Dart language tooling and the Flutter IntelliJ plugin. He has driven core improvements across the Dart SDK, analyzer, formatter, linter, and dartdoc, contributing to widely used open-source projects that shape the Dart/Flutter developer experience. Previously he was the primary author and architect of WindowBuilder Pro and other commercial IDE tooling and profiling products, blending deep language-level expertise with practical UI tooling. Konstantin’s work spans backend compiler and analysis fixes to UX-facing features like code completion, outline views, and extract/refactor assists, demonstrating an unusual full-stack tilt inside developer platforms. Based in Portland, he combines long-term stewardship of large codebases with careful refactors that ease future migrations to new analyzer APIs. He also brings experience in internationalization and mobile package maintenance, reflecting a pragmatic attention to both global users and platform specifics.
14 years of coding experience
English, Russian
Github Skills (53)
flutter10
date-formatting10
unit-testing10
parserator10
parser10
ios10
mobile-development10
number-formatting10
apidoc10
flutter-apps10
analyzer10
testing10
app-framework10
number-format10
internationalization10
Programming languages (6)
Github contributions (5)
dart-lang/sdk
Oct 2011 - Jan 2023
The Dart SDK, including the VM, JS and Wasm compilers, analysis, core libraries, and more.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 8862 commits, 2 PRs in 11 years 5 months
Contributions summary:Konstantin's contributions focused on the Dart SDK, specifically improving the element model and addressing issues related to constant expressions and annotations within the codebase. Their work involved migrating existing code to the new element model, modifying class structures, refactoring for better maintainability, and implementing fixes for compilation issues. The user primarily interacted with core Dart language features and the underlying architecture of the SDK.
dartsdkdart2jscore-librariesflutter
dart-lang/test
Oct 2012 - Jul 2021
A library for writing unit tests in Dart.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:5 reviews, 7 commits, 7 PRs in 8 years 10 months
Contributions summary:Konstantin's commits primarily focus on modifying and improving the testing infrastructure of the Dart test library. They have worked on fixing type warnings, updating test configurations, and refactoring test files to ensure their stability and correctness. Furthermore, the user made changes to the library's interfaces and code that uses them. These changes support maintaining the library's test suite and enhancing its reliability.
testingdart2dartunitunit-tests
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