Sergey Kanzhelev
Software Engineer at W3C
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolSergey Kanzhelev is a seasoned software engineer with 11 years of experience, currently contributing to Google Kubernetes Engine on the GKE Node team from Redmond. He combines deep backend expertise in Kubernetes and OpenTelemetry with a track record of shaping APIs and runtime behavior—contributing to cornerstone projects like kubernetes/kubernetes and kubernetes/api. Previously a Principal Engineer at Microsoft, he led telemetry and OpenTelemetry efforts, helping migrate industry telemetry toward community-driven standards and integrating Application Insights with OpenTelemetry SDKs. A long-time W3C Distributed Tracing Working Group editor and co-chair, he has influenced trace context standards adopted across major vendors. Sergey’s work blends pragmatic code hygiene and test automation with standards and ecosystem-building—an unusual mix of hands-on fixes in kubelet container runtime code and high-level protocol design.
11 years of coding experience
12 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Saint-Petersburg State University of Information Technologies, Mechanics and Optics
English, Russian
Github Skills (44)
kubernetes10
container10
azure-application-insights10
kubernetes-apiserver10
scripting10
api-design10
protocol-buffers10
testing10
distributed-tracing10
net10
dotnet10
bash10
cloud-infrastructure10
gcp10
netframework10
Programming languages (27)
Github contributions (5)
open-telemetry/opentelemetry-dotnet
May 2019 - May 2020
The OpenTelemetry .NET Client
Role in this project:
Back-end Developer
Back-end DeveloperContributions:39 reviews, 65 commits, 298 PRs in 1 year
Contributions summary:Sergey contributed significantly to the OpenTelemetry .NET client, with code changes related to exporting trace data. Their work involved integrating Application Insights exporter, converting and transmitting span data. Further contributions included implementing RecordSpanData, which allows exporting pre-populated span objects. Additionally, the user was involved in code clean-up, improving the code quality and addressing warnings.
instrumentation-librariesiloggerprovidertracingloggingilogger
kubernetes/kubernetes
May 2020 - Dec 2022
Production-Grade Container Scheduling and Management
Role in this project:Back-end Developer
Back-end DeveloperContributions:2324 reviews, 74 commits, 140 PRs in 2 years 7 months
Contributions summary:Sergey primarily contributed to the `pkg/kubelet/container` directory, which focuses on container runtime interactions within Kubernetes. Their commits addressed code quality issues, specifically fixing golint failures and removing stale TODO comments. The user made some corrections to the comments to address clarity.
containersschedulingdockergradeproduction-grade
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.