Greg Kostal
Principal Software Development Lead at Microsoft
Kirkland, Washington, United States
Summary
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RockstarGreg Kostal is a Principal Software Development Lead at Microsoft with over a decade of experience delivering backend systems and test automation for cloud services. Based in Kirkland, Washington, he has focused on Azure PowerShell contributions—adding and refining cmdlets for the Attestation Service and building accompanying test scenarios to keep features reliable and auditable. He blends hands-on development with a strong quality mindset, ensuring new capabilities are backed by meaningful tests and maintenance improvements. Known for navigating large, enterprise-scale codebases, he brings practical expertise in policy management tooling for cloud security workflows. Colleagues rely on him to translate complex platform requirements into clear, testable implementations that scale across Azure customers.
11 years of coding experience
Github Skills (13)
powershell10
azure10
microsoft-azure10
test-automation10
csharp9
dotnet-core9
rest-api8
azure-powershell8
api-rest8
restful-api8
api-design8
arm7
microsoft6
Programming languages (8)
Github contributions (5)
Azure/azure-powershell
Feb 2020 - Aug 2020
Microsoft Azure PowerShell
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:24 commits, 6 PRs, 13 comments in 6 months
Contributions summary:Greg primarily contributed to the Azure PowerShell module for Attestation Service. Their work involved adding and modifying cmdlets for policy management and policy signer management, enhancing the module's functionality. The user also created and updated test scenarios, including the creation of tests for the newly added cmdlets and existing functionalities. This demonstrates a focus on both feature development and ensuring the quality and reliability of the module's features through testing.
microsoft-azure-powershellpowershellmicrosoft-azuremicrosoftazure
gkostal/attestation
Mar 2020 - Jul 2022
Random code related to Azure Attestation Service
Contributions:110 commits, 3 PRs, 113 pushes in 2 years 4 months
attestationtflintazurerandom-codevolatility
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