Přemek Vysoký
Principal Software Engineer at Microsoft
Prague, Prague, Czechia
Summary
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Rockstar🎓
Top SchoolPřemek Vysoký is a Principal Software Engineer with 11 years of experience building developer tooling, CI/CD and automation for the .NET ecosystem at Microsoft. He leads design and implementation of infrastructure that integrates hundreds of repositories into the .NET product, driving the virtual monorepo and two-way code synchronization between dotnet/dotnet and product repos. Hands-on in DevOps, build and test automation, his contributions span Codespaces integrations, XHarness-based mobile test reliability, and improving SDK/source build workflows to streamline developer experience. A pragmatic refactorer and automation engineer, he has deep experience with MSBuild, GitHub, Azure DevOps and cross-platform runtime concerns, and has also contributed improvements to popular open-source projects like YamlDotNet. Based in Prague, he blends technical leadership with day-to-day scripting and pipeline work—often solving flaky CI and emulator issues that aren’t obvious from product surface.
11 years of coding experience
19 years of employment as a software developer
8, High School, 8, High School at Gymnázium Jírovcova 8, České BudějoviceMaster's degree, Software Engineering, 2, Master's degree, Software Engineering, 2 at Charles University in Prague
Czech, English, German
Stackoverflow
91reputation
4kreached
1answer
3questions
Github Skills (46)
parserator10
git10
github-ci10
docker10
ios10
parser10
scripting10
msbuild10
testing10
net10
dotnet-new10
bash10
data-serialization10
dotnet10
dockers10
Programming languages (17)
Github contributions (5)
dotnet/arcade
Mar 2020 - Jan 2023
Tools that provide common build infrastructure for multiple .NET Foundation projects.
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:770 reviews, 172 commits, 493 PRs in 2 years 10 months
Contributions summary:Přemek primarily contributed to the development and maintenance of the CI/CD pipeline and automation scripts for the .NET Arcade project. They focused on improving the testing infrastructure for iOS builds by integrating XHarness and addressing issues with simulator performance. The user also implemented features like retries, reboots, and telemetry to enhance reliability and provide better insights into the test execution process. Furthermore, the user streamlined the build process by improving logging, and added support for custom commands and device signing.
dotnetinfrastructurefoundationcsharpdotnet-core
dotnet/dotnet
Dec 2022 - Mar 2023
Home of .NET's Virtual Monolithic Repository which includes all the code needed to build the .NET SDK.
Role in this project:DevOps Engineer
DevOps EngineerContributions:1 release, 38 reviews, 15 commits in 2 months
Contributions summary:Přemek's contributions primarily involve enhancing the .NET SDK build environment within the context of GitHub Codespaces. They added configurations and scripts to streamline the build process within Codespaces, specifically for the VMR (Virtual Monolithic Repository). These changes include modifications to the sync process and the addition of features to support source builds within the Codespaces environment. Furthermore, the user configured the Codespaces path to `/workspaces` improving the developer experience within this environment.
dotnetmonorepos-netsdkc-sharp
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