Lei Shi
Engineering Manager at Microsoft
Bellevue, Washington, United States
Summary
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RockstarLei Shi is an engineering manager with a decade of experience building and operating large-scale storage systems at Microsoft, currently leading teams within Azure Storage after a long tenure on the Windows Storage team. Hands-on background as an SDE II and open-source contributor gives him deep systems-level expertise, exemplified by substantive fixes and performance improvements to the ChakraCore JavaScript engine where he optimized memory layouts and hardened exception handling. Based in Bellevue, WA, he blends technical depth in low-level engine and storage internals with people leadership to deliver reliable, high-performance infrastructure. Colleagues rely on his ability to translate complex kernel- and memory-level problems into pragmatic engineering plans and measurable operational improvements.
10 years of coding experience
Github Skills (7)
memory-management10
javascript10
c-language10
exception-handling10
javascript-engine10
cprogramming-language10
performance-optimization10
Programming languages (2)
Github contributions (5)
chakra-core/ChakraCore
Jan 2016 - Aug 2018
ChakraCore is an open source Javascript engine with a C API.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:562 commits, 188 PRs, 1 push in 2 years 7 months
Contributions summary:Lei focused on improving the ChakraCore JavaScript engine, specifically addressing critical issues and improving performance and stability. Their contributions included preventing re-entry of a fault injection exception handler and optimizing memory usage by moving rarely used pointers within the FunctionBody structure to a separate structure. The user also made significant changes to the handling of interpreter thunks and memory allocation, showing in-depth knowledge of the engine's internals.
javascript-enginechakracoreruntimemicrosoftc-api
leirocks/ChakraCore
Jan 2016 - Jul 2018
ChakraCore is the core part of the Chakra Javascript engine that powers Microsoft Edge
Contributions:1 release, 380 pushes, 158 branches in 2 years 6 months
javascript-enginechakracorejavascriptpowersmicrosoft-edge
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