Sara Joiner
Principal Software Engineer at Microsoft
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolSara Joiner is a Principal Software Engineer with 11 years of experience at Microsoft, where she architects and delivers calendaring APIs for Outlook and Exchange consumed by Microsoft clients and third parties. Her earlier tenure includes deep systems work on MSBuild across Visual Studio releases, leading extraction from .NET and owning partner integrations—experience that informs her pragmatic approach to backward compatibility and large-scale API design. Based in Redmond, she combines low-level build/tooling expertise with platform-level engineering, enabling reliable, interoperable calendar services at cloud scale. Known for bridging partner needs and platform constraints, she excels at shipping durable solutions that minimize disruption for dependent teams.
11 years of coding experience
11 years of employment as a software developer
MEE, Electrical and Computer Engineering, MEE, Electrical and Computer Engineering at Rice University
Github Skills (6)
build-engine10
visual-studio10
msbuild10
microsoft9
dotnet9
smallbasic8
Programming languages (3)
Github contributions (5)
sarajoiner/spirit-island-pbp
Jan 2025 - Jan 2026
Spirit Island PBP Helper
Contributions:16 pushes, 11 branches in 11 months
sarajoiner/spirit-island-144p-lair
Apr 2025 - Jun 2025
LRLR optimization
Contributions:14 pushes, 21 branches in 1 month
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