Zachary Eisinger
Senior Software Engineer at Microsoft
Snoqualmie, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolZachary Eisinger is a Senior Software Engineer with eight years of experience building scalable IaaS, developer tooling, and authentication systems across Microsoft, GitHub, and Glossier. He has driven measurable performance and operational improvements—speeding logins by ~70%, cutting CI times from 2 hours to 12 minutes, and reducing manual work for scale unit creation by 80%. At Microsoft he now owns policy decision services for authorization, applying metric-driven CI/CD and telemetry-driven insights to improve reliability. Zachary blends hands-on systems engineering with security and least-privilege best practices, having rearchitected authentication for 1.5M accounts using managed AWS services. He’s comfortable leading cross-functional initiatives, running experiments and A/B testing, and mentoring through interviews and hiring. Based in Snoqualmie, WA, he brings a pragmatic focus on reducing operational overhead while delivering secure, measurable outcomes.
8 years of coding experience
10 years of employment as a software developer
The University of Maryland, College Park
Github Skills (11)
dotnet-cli10
dotnet10
sdk10
dotnet-core10
runner9
github-actions-runner7
cicd6
validations2
azure1
devops1
azure-devops1
Programming languages (5)
Github contributions (5)
ZEisinger/setup-dotnet
Oct 2019 - Feb 2021
Set up your GitHub Actions workflow with a specific version of the .NET core sdk
Contributions:6 PRs, 41 pushes, 10 branches in 1 year 4 months
github-actions-workflowdotnetdotnet-cliworkflow-actionssdk
ZEisinger/setup-dotnet-test
Oct 2019 - Oct 2020
Contributions:95 pushes, 3 branches in 11 months
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