Ivan Mikushin
Founder at Charms Inc
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolIvan Mikushin is a pragmatic principal/staff-level software engineer with 14 years building cloud-native and distributed systems, currently based in San Jose. He specializes in backend and orchestration work—Kubernetes, Rancher, Knative and Tanzu—bringing deep Go experience since 2015 and a history of shipping platform features and controller logic at VMware and Rancher Labs. Recently he’s gravitated to Rust and low-level runtime work, contributing to Wasmtime and implementing Wasm GC, and has also worked on zero-knowledge proof systems like Kimchi and HyperPlonk. Ivan combines systems-level engineering (OS and build infrastructure contributions to RancherOS and multi-arch builds) with developer tooling and CI expertise, having authored internal tools such as a Go vendoring utility. He favors Clojure on the JVM for its Lisp simplicity, reflecting a long-standing taste for expressive languages alongside pragmatic production coding. Notably, his open-source work includes practical refactors and stability improvements to high-profile projects like Knative Serving and Tanzu Framework that improve real-world deployability.
14 years of coding experience
15 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Ural State Technical University
English, Russian
Stackoverflow
65reputation
2kreached
0answers
1question
Github Skills (29)
kubernetes10
docker10
controller10
testing10
bash10
makefile10
dockers10
cicd10
led-controller10
go10
kubernetes-pods10
yaml10
controller-advice10
devops10
serverless8
Programming languages (18)
Github contributions (5)
rancher/os
Mar 2015 - Jul 2016
Tiny Linux distro that runs the entire OS as Docker containers
Role in this project:
DevOps Engineer
DevOps EngineerContributions:39 releases, 393 commits, 281 PRs in 1 year 4 months
Contributions summary:Ivan primarily contributed to the RancherOS project by implementing and refining the build and test infrastructure. Their work included setting up and configuring the build process with make, dapper and docker. They made changes to the build scripts, configuration files and test setup to support multi-architecture builds (amd64 and arm64) and improving the test and build process.
docker-containerlinux-distro
vmware-tanzu/tanzu-framework
Aug 2021 - Jan 2023
Tanzu Framework provides a set of building blocks to build atop of the Tanzu platform and leverages Carvel packaging and plugins to provide users with a much stronger, more integrated experience than the loose coupling and stand-alone commands of the previous generation of tools.
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:324 reviews, 71 commits, 135 PRs in 1 year 5 months
Contributions summary:Ivan primarily contributed to the TKR (Tanzu Kubernetes Release) source controller, focusing on stability and improving the deployment process. They implemented changes to handle air-gap environments by splitting reconciliation loops to prevent single errors from blocking the entire process. The user also refactored and improved controller logic, adding status updates and optimizing logging messages to reduce clutter and improve troubleshooting. The code changes also included the addition of new TKR API v1alpha3 types.
loose-coupling
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