Aaron Marback
Senior Software Engineer at Microsoft
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolAaron Marback is a Senior Software Engineer at Microsoft with nine years of experience building reliable release and developer tooling across Windows and Visual Studio Code. He has deep expertise in production-scale publishing and build systems, having owned downlevel Windows build readiness and live-site operations, and now contributes full-stack to the widely used open-source VS Code project. His work on VS Code, the Python extension, and the Jupyter extension focuses on notebook and interactive-window UX and backend reliability—improving REPL behavior, kernel handling, telemetry, and test infrastructure. Comfortable across front-end UI polish and backend logic, he blends data-science-focused features with robust engineering practices. Based in Redmond, he pairs a dual academic background in computer science and mathematics with hands-on incident response experience. An uncommon detail: he transitioned from firmware ingestion and test automation into high-impact release and editor tooling, showing breadth from low-level systems to developer-facing product features.
10 years of coding experience
13 years of employment as a software developer
Bachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at University of North Dakota
Github Skills (23)
vscode-api10
notebook10
visual-studio-code-extension10
javascript10
python10
jupyter10
data-science10
typescript10
vscode-extension10
ui-design10
uid10
front-end-development10
vscode10
typescript-types10
jupyter-notebook10
Programming languages (11)
Github contributions (5)
microsoft/vscode-jupyter
Nov 2021 - Jan 2023
VS Code Jupyter extension
Role in this project:
Back-end Developer & Data Scientist
Back-end Developer & Data ScientistContributions:1 release, 498 reviews, 195 commits in 1 year 2 months
Contributions summary:Aaron primarily worked on the VS Code Jupyter extension, focusing on improving the interactive window functionality, particularly concerning data science and notebook features. Their contributions involved turning off telemetry tracking, ensuring correct kernel associations, and enhancing the user experience by adding code lens functionality and improving error messaging for widget loading. They also made improvements to the test infrastructure and added test suite enhancements for interactive window features.
jupyter-extensionvscodejupytervscode-extensiondatascience
microsoft/vscode-python
Dec 2021 - Dec 2025
Python extension for Visual Studio Code
Role in this project:Back-end Developer
Back-end DeveloperContributions:50 reviews, 27 PRs, 50 pushes in 4 years 1 month
Contributions summary:Aaron primarily contributed to the Python extension for Visual Studio Code by addressing issues related to the REPL and variable providers. They made changes to the native REPL implementation, including enhancements to how code is executed and input is handled. Furthermore, the user enabled the ability to disable the variable provider, along with related changes to the variables provider logic and associated testing, demonstrating their focus on improving the extension's functionality and flexibility.
python-extensionvisual-studio-code
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.