Roman Kiselenko
Platform Engineer
Russia
Summary
🤩
Rockstar🎓
Top SchoolRoman Kiselenko is a full-cycle platform engineer with 12 years of experience building and operating large-scale Kubernetes and cloud-native systems across startups and enterprises. He has managed 250+ clusters at Exness, migrated secrets to Vault, implemented feature flags, and written production storage drivers and CSI integrations for enterprise-grade Kubernetes deployments. A pragmatic contributor to the cri-o project, he has improved container runtime behavior around DNS, AppArmor compatibility, and configurable memory limits—showing deep familiarity with Kubernetes runtime internals. Roman blends hands-on coding in Go and infrastructure automation with mentoring and platform reliability work, and he often surfaces pragmatic fixes that keep complex distributed systems stable in production.
12 years of coding experience
7 years of employment as a software developer
Self-taught
English, Russian, Ukrainian
Stackoverflow
43,788reputation
2.4mreached
841answers
14questions
sinatra
top-5%
routes
top-5%
caching
top-5%
twitter-bootstrap
top-5%
selenium-webdriver
top-5%
ruby
top-1%
Github Skills (31)
json10
kubernetes10
postgresql10
apparmor10
rspec10
container-runtime-interface10
ruby10
occi10
go10
kubernetes-pods10
activerecord10
cri-o10
ruby-on-rails10
selenium-webdriver9
twitter-bootstrap9
Programming languages (11)
Github contributions (5)
cri-o/cri-o
Feb 2024 - Jan 2025
Open Container Initiative-based implementation of Kubernetes Container Runtime Interface
Role in this project:
Back-end Developer
Back-end DeveloperContributions:31 reviews, 12 PRs, 122 comments in 11 months
Contributions summary:Roman's contributions primarily involve enhancing the CRI-O project, a Kubernetes container runtime implementation. They addressed issues related to DNS configuration within the CRI, ensuring proper handling of empty configurations. They also migrated the project to utilize newer AppArmor profiles within the CRI API while maintaining backward compatibility. Furthermore, the user implemented a feature allowing for configurable minimum memory limits for containers within the runtime.
runccontainer-runtime-interfacek8s-sig-noderuntimekata-containers
fishbullet/devise_sms_verifiable
Mar 2014 - Mar 2015
Contributions:55 commits, 5 pushes in 11 months
smscustomize
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