Asger Feldthaus
Softwareingeniør at GitHub
Denmark
Summary
🤩
Rockstar🎓
Top SchoolAsger Feldthaus is a seasoned software engineer with 18 years of experience, currently building developer tooling at GitHub where he focuses on CodeQL for JavaScript and TypeScript. His background spans research and industry—from a PhD candidacy at Aarhus University to engineering roles at Google, Semmle, and now GitHub—bridging rigorous academic thinking with production-grade systems. He’s a full‑stack contributor to the popular vscode-codeql extension, improving alert navigation, refactoring UI state for efficiency, and enhancing raw result visibility to streamline security workflows. Known for pragmatic, developer-centered improvements, he combines deep language-aware analysis expertise with an eye for UX that helps surface hard-to-find bugs.
18 years of coding experience
5 years of employment as a software developer
Aarhus University
Github Skills (13)
typescript10
typescripts10
vscode-extension10
react10
typescript-types10
ui-design9
codeql9
front-end-development9
javascript9
uid9
state-management8
data-set8
datasets8
Programming languages (5)
Github contributions (5)
github/vscode-codeql
Oct 2022 - Oct 2022
An extension for Visual Studio Code that adds rich language support for CodeQL
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:28 reviews, 25 commits, 36 PRs in 19 days
Contributions summary:Asger significantly contributed to the development and enhancement of the CodeQL extension for VS Code. Their work focused on the UI for displaying and navigating CodeQL alerts, including implementing alert navigation features. They also refactored the alert table component, replacing the `expanded` state with a `Set` for improved efficiency. Furthermore, the user made improvements to raw result views to make the selection visible and made various enhancements to the user experience.
codeqlvisual-studio-codevscodevscode-extensionworks-with-codespaces
asgerf/bracket-rename
Jun 2013 - Jul 2015
Rename refactoring for bracket
Contributions:1 release, 31 commits, 1 PR in 2 years 1 month
refactoring
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