Aditya Mandaleeka
Principal Software Engineer at Microsoft
Greater Seattle Area United States
Summary
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RockstarAditya Mandaleeka is a Principal Software Engineer with 12 years of deep systems and performance experience, currently leading foundational infrastructure work for AI agents at Microsoft in the Greater Seattle Area. He has driven and managed large-scale server and distributed systems efforts for .NET—spanning ASP.NET Core, Orleans, SignalR, and YARP—while modernizing cloud infrastructure and maintaining a strong open-source presence. His hands-on background includes JVM GC internals, GC and runtime optimizations, arm64 CLR ports, and building Visual Studio diagnostics and profiling tools. Notably, he has contributed to high-profile projects like OpenJDK, ASP.NET Core, and PerfView, fixing subtle cross-platform bugs and improving memory and CPU analysis features. Colleagues rely on him for bridging deep compiler/VM internals with practical cloud performance improvements and robust CI/devops for runtime testing. He combines technical leadership with a practitioner’s fluency in low-level performance tuning and distributed system design.
12 years of coding experience
7 years of employment as a software developer
Stackoverflow
6,597reputation
1.3mreached
57answers
1question
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Github Skills (46)
debugging10
url-routing10
debug10
performance-monitor10
jvm10
testing10
net10
c-compiler10
dotnet-new10
dotnet10
bash10
asp-net-core10
collector10
java10
asp-net10
Programming languages (7)
Github contributions (5)
dotnet/aspnetcore
Apr 2020 - Nov 2022
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:516 reviews, 64 commits, 252 PRs in 2 years 7 months
Contributions summary:Aditya primarily focused on resolving routing issues and implementing features related to request rejection within the ASP.NET Core framework. Their contributions included fixing an infinite loop in routing policies, addressing content-length header validation, and incorporating support for HTTP/3, specifically implementing the 100 Continue functionality. Additionally, the user made changes to the Kestrel server and addressed issues related to caching and diagnostic event handling.
dotnetcoreweb-basedasp-netnet-coreasp-net-core
microsoft/perfview
Jun 2016 - Dec 2016
PerfView is a CPU and memory performance-analysis tool
Role in this project:Performance Engineer
Performance EngineerContributions:5 commits, 3 PRs, 6 comments in 5 months
Contributions summary:Aditya primarily focused on improving the performance analysis tool by addressing bugs and adding new features. They fixed a bug related to Linux trace samples and added CSS to improve the readability of GCStats and other views. Furthermore, they implemented a trigger to stop collection based on background GC final pause duration and incorporated a warning related to heap movement tracking. The user demonstrated a strong understanding of the tool's inner workings and the importance of precise performance metrics.
cpumemorydotnetperformance-analysiswindows
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