Marek Salát
Senior Software Engineer at Microsoft
Prague, Prague, Czechia
Summary
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Rockstar🎓
Top SchoolMarek Salát is a Senior Software Engineer at Microsoft with 22 years of experience building and operating large-scale, multi-tenant cloud systems focused on data engineering, analytics platforms, and applied AI. He combines deep hands-on expertise across Azure services (Fabric, Synapse, Kusto, Dataverse, Storage) with a relentless focus on security, performance, cost-efficiency and operational robustness for enterprise customers. Marek has driven measurable reductions in COGS while increasing throughput and stability by simplifying architectures, optimizing resource use, and improving memory-efficient data processing. He is equally comfortable shipping low-level runtime improvements—evidenced by contributions to prominent open-source projects like dotnet/runtime, linker and mono—and designing production-ready analytics platforms for Dynamics 365 and Customer Insights. A collaborative problem-solver, he partners across PM, engineering, and regional teams to turn complex constraints into pragmatic solutions and mentors hiring for Data & AI with emphasis on fundamentals and system-level thinking.
22 years of coding experience
8 years of employment as a software developer
Master's degree, Computer Graphics and Multimedia, 1, Master's degree, Computer Graphics and Multimedia, 1 at Vysoké učení technické v Brně, Fakulta informačních technologiíInformation Technology, Information Technology at Lappeenranta University of Technology
English, Czech, Slovenian
Stackoverflow
111reputation
13kreached
2answers
1question
Github Skills (58)
arcgisruntime10
code-optimization10
debugging10
debug10
ios10
runtimes10
multithreading10
msbuild10
testing10
net10
c-compiler10
xamarin10
dotnet-new10
dotnet10
run-time10
Programming languages (14)
Github contributions (5)
dotnet/linker
Sep 2009 - Jan 2023
Role in this project:
Back-end Developer & Maintainer
Back-end Developer & MaintainerContributions:554 reviews, 267 commits, 1153 PRs in 13 years 5 months
Contributions summary:Marek contributed to the core functionality of the project by addressing bugs, resolving issues, and implementing requested changes. They worked on the code related to the compilation pipeline, focused on improving its performance, by addressing and resolving code that was not used. The user demonstrated a strong understanding of the project's codebase and was involved in refactoring efforts. These changes reflect a focus on the quality and maintainability of the project.
mono/mono
Jan 2004 - Mar 2020
Mono open source ECMA CLI, C# and .NET implementation.
Role in this project:Back-end Developer
Back-end DeveloperContributions:20 reviews, 10515 commits, 3193 PRs in 16 years 4 months
Contributions summary:Marek's contributions primarily involved fixing issues in the Mono runtime related to the C# compiler, including resolving range check problems and handling code generation for certain cases. They also worked on the core libraries, corlib, particularly around improvements to memory management by using the array pool and general cleanup of code for performance and code readability. These commits suggest a strong focus on optimizing the Mono runtime.
dotnetjitruntimemonoandroid
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