Oleksii Serhiienko
Senior Site Reliability Engineer at GetYourGuide
Zurich, Zurich, Switzerland
Summary
👤
Senior🎓
Top SchoolOleksii Serhiienko is a Senior Site Reliability Engineer with 11 years of experience building and operating cloud-native infrastructure and applications from research prototypes to high-load production systems. Based in Zurich, he has driven major migrations and cost optimizations—moving legacy platforms to OpenStack and Docker Swarm, reducing infrastructure costs by ~40% while improving stability and performance. Oleksii specializes in observability, CI/CD and automation, having built centralized logging and Prometheus/Grafana-based monitoring stacks and introduced full GitLab pipelines across projects. He combines hands-on engineering (containerization, Spring Boot microservices, Angular frontends) with deep cloud/billing research experience from ZHAW, making him adept at both architecture and operational detail. Notably, his early OpenStack contributions and work on cloud billing and multi-cloud management reflect a long-standing focus on scalable, practical cloud economics.
11 years of coding experience
8 years of employment as a software developer
Master’s Degree, Information Technology, Master’s Degree, Information Technology at ZHAW School of EngineeringIgor Sikorsky Kyiv Polytechnic Institute
Russian, Ukrainian, English, German
Stackoverflow
3reputation
2kreached
0answers
1question
Github Skills (69)
obsolete8
storekit8
web-application7
cloud-services7
rating7
revel7
in-app-purchase7
receipt-validation7
maven7
recurly7
webobjects7
billing7
message-queue6
exporter6
go-language6
Programming languages (5)
Github contributions (5)
lexxito/webobjects_docker
May 2022 - Jun 2022
This porject is aimed to show the ways of running webobjects application in docker environment and cluster
Contributions:37 commits, 10 PRs, 30 pushes in 1 month
mavendocker-environmentdockerwebobjectsant
icclab/cyclops-collector-openstack
Apr 2016 - May 2019
Contributions:2 pushes in 3 years
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