Sergey Bykov
Redmond, Washington, United States
Summary
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RockstarSergey Bykov is a Principal Software Engineer and SDE at Temporal Technologies in Redmond with 10 years of professional experience building scalable cloud and distributed systems. He spent many years at Microsoft in senior engineering and management roles—including PlayFab—focused on system software for highly scalable cloud applications. At Temporal he contributes to the open-source orchestration engine, improving Go compatibility, refactoring the history service to remove duplication, and adding security features such as mTLS support and a minimum TLS 1.2 requirement. He also authored foundational commits to the widely used Orleans framework, including a C# code generator, demonstrating fluency across Go and .NET ecosystems. Known for pragmatic attention to correctness and maintainability, Sergey favors explicit conversions and helper abstractions that simplify complex backend services and keep them production-ready.
11 years of coding experience
Github Skills (29)
tls1210
back-end-development10
net10
dotnet10
tls1310
mtls10
code-generation10
go10
aspnet10
dotnet-core10
libtls10
golang10
cloud-native10
csharp10
microsoft-azure9
Programming languages (10)
Github contributions (5)
dotnet/orleans
Jan 2015 - Sep 2020
Cloud Native application framework for .NET
Role in this project:
Back-end Developer
Back-end DeveloperContributions:91 releases, 5 reviews, 996 commits in 5 years 9 months
Contributions summary:Sergey's initial commit introduced the foundational source code for the Orleans framework, which is a cloud-native application framework for .NET. They added a C# code generator, indicating involvement in generating code for the framework. The user also introduced several files that missed the initial commit and upgraded dependencies for Azure and related tools.
dotnetconcurrencycloud-computingdistributed-actorsframework
temporalio/temporal
Sep 2020 - Aug 2022
Temporal service
Role in this project:Back-end Developer
Back-end DeveloperContributions:157 reviews, 72 commits, 139 PRs in 1 year 10 months
Contributions summary:Sergey primarily worked on improving the codebase for compatibility with Go 1.15.2 and refactoring code to eliminate duplication, focusing on the `service/history` directory. They introduced helper functions to handle string conversions and replaced implicit conversions with explicit calls to `strconv.FormatInt`. The user also updated TLS configurations to incorporate support for mTLS and enforced a minimum TLS version of 1.2. Moreover, they introduced a server option for setting the authorizer.
service-busmicroservice-orchestrationworkflow-automationworkflow-enginedocker
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