Eric Kulcyk
Software Engineer at Microsoft
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolEric Kulcyk is a software engineer with 12 years of experience building and optimizing large-scale build systems at Microsoft, focused on the complexities of coordinating thousands of developers across Office. He has contributed to Microsoft’s BuildXL project as a back-end developer and automation engineer, improving build scheduling, process execution, and diagnostic tooling such as file impact and copy-file analyzers to drive faster, more actionable build insights. Based in Redmond, he combines systems-level engineering with pragmatic automation to improve developer throughput and build performance. His background includes long-term research experience at UW–Madison’s IceCube lab and multiple Microsoft internships, reflecting a steady progression from research to production engineering. An interesting detail: he’s worked on enhancing graph loading and historical-priority scheduling in BuildXL, showing a knack for making infrastructure smarter using past data patterns.
12 years of coding experience
2 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Computer Engineering, Senior, Bachelor of Science (BS), Computer Science, Computer Engineering, Senior at University of Wisconsin-Madison
Stackoverflow
279reputation
23kreached
1answer
12questions
Github Skills (17)
build-system10
build-automation10
dotnet-core10
csharp10
filesystem9
performance-optimization9
orchestration9
orchestra9
cli8
graph-algorithms8
cuda6
thrust6
bash6
atl6
char6
Programming languages (6)
Github contributions (5)
microsoft/BuildXL
Apr 2019 - Sep 2022
Microsoft Build Accelerator
Role in this project:
Back-end Developer & Automation Engineer
Back-end Developer & Automation EngineerContributions:59 commits, 42 PRs, 21 pushes in 3 years 5 months
Contributions summary:Eric primarily contributed to the BuildXL project by implementing features related to build scheduling and process execution. They added support for pip priority fields, enabling more flexible scheduling based on historical data and user-defined priorities. Additionally, the user implemented and enhanced build analysis tools, including the creation of a copy file analyzer and improvements to the file impact analyzer, indicating a focus on build performance and diagnostic tooling. This also involved modifications to the BuildXL engine, specifically around how the graph is loaded and processed.
kernelunixcompilermicrosoftexecutable
erickulcyk/BuildXL
May 2019 - Nov 2019
Microsoft Build Accelerator
Contributions:3 PRs, 82 pushes, 18 branches in 6 months
codegenerationcppwindowsmicrosoftaccelerator
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