Denys Vasyliev
Principal Site Reliability Engineer at GfK - An NIQ Company
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDenys Vasyliev is a Principal Site Reliability Engineer with over 17 years across software development, DevOps, SRE and emerging AI reliability Engineering, currently leading global Kubernetes-based infrastructure at GfK in London. He combines deep networking and cloud expertise (GCP/GKE, BGP/MPLS, Terraform/OpenTofu) with hands-on coding in Go and Python to deliver automated, secure, GitOps-driven platforms that reduced deployment time and manual effort in prior roles. A proven technical leader and coach, Denys has scaled and mentored SRE teams, designed resilient CI/CD and observability stacks, and speaks publicly on DevOps and Kubernetes topics. He’s also a serial founder and operator who built real-time communications and roaming platforms, bringing product-level thinking and telecom-grade reliability to cloud-native AI systems. Notably, Denys is a certified Kubernetes Administrator and maintains an active presence sharing practical SRE guidance via YouTube and a DevOps podcast.
9 years of coding experience
15 years of employment as a software developer
Bachelor’s Degree Geography, Bachelor’s Degree Geography at Yuriy Fedkovych Chernivtsi National University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (99)
k8s10
cicd10
docker10
devops9
kubernetes9
high-performance8
proxy8
golang7
accelerator7
cloud-native6
contour6
api6
schema6
rootless6
nginx6
Programming languages (9)
Github contributions (5)
den-vasyliev/kbot-src
Oct 2022 - Mar 2025
Contributions:26 releases, 91 PRs, 102 pushes in 2 years 5 months
den-vasyliev/kbot
Oct 2022 - Jan 2023
Contributions:101 commits, 78 pushes, 4 branches in 3 months
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