Aleksandr Holub
Senior Software Engineer - Identity & Network Access Division at Microsoft
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolAleksandr Holub is a Senior Software Engineer based in Redmond who specializes in building high-throughput authentication and authorization platforms that handle tens of millions of requests per second. At Microsoft he architects multi-tenant identity systems, cryptographic isolation for government workloads, and end-to-end observability for large-scale identity pipelines. His background spans full-stack and distributed-systems work—designing microservices, CQRS/DDD migrations, and performance-tuned APIs that have supported large revenue-driving products. He pairs deep security protocol expertise (OAuth2, OIDC) with hands-on incident leadership and a knack for balancing performance, resilience, and developer experience. A pragmatic mentor and systems thinker, he often surfaces practical architectural changes that dramatically improve stability and developer velocity.
3 years of coding experience
11 years of employment as a software developer
Junior Specialist’s degree, Computer-Aided Management Systems Software Engineer, Junior Specialist’s degree, Computer-Aided Management Systems Software Engineer at Kharkov Patent Computer College
Github Skills (13)
authentication10
microsoft-identity-platform10
dotnet10
asp-net-core10
azure-ad-b2c10
identitymodel10
azure-active-directory7
msal6
identity5
maui4
netcore3
microsoft-authentication3
microsoft2
Programming languages (2)
Github contributions (5)
alexholub113/alexholub113
Dec 2023 - Sep 2025
Contributions:3 pushes, 1 branch in 1 year 9 months
alexholub113/portfolio-v2
Sep 2023 - Jan 2025
Contributions:16 pushes in 1 year 4 months
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