Johnny Bergström
Co-Founder at Blokada
Greater Gothenburg Metropolitan Area Sweden
Summary
🤩
Rockstar🎓
Top SchoolJohnny Bergström is a cloud-native engineer and entrepreneur with 13 years building resilient, privacy-focused infrastructure as Co-Founder of Blokada and as a Cloud Architect at Klaudify AB. He specializes in Kubernetes, Go, and multi-cloud GCP strategies, taking particular pride in self-healing, auto-scaling systems that feel almost alive. A hands-on backend and DevOps contributor, he’s worked on high-profile open-source projects like CoreDNS and Helm, adding DNS-over-HTTPS, gRPC and robustness fixes that improve real-world reliability. His background ranges from large-scale streaming and telecom billing systems to bootstrapping reliable production stacks, showing a consistent bias for distributed, production-hardened design. Based in Gothenburg, he blends entrepreneurial leadership with deep engineering craft and a subtle obsession for systems that autonomously adapt.
13 years of coding experience
4 years of employment as a software developer
Computer Networking technology, Computer Networking technology at NTI Skolan
Swedish, English
Stackoverflow
7,695reputation
2.2mreached
110answers
12questions
php
top-5%
google-app-engine
top-5%
Github Skills (29)
kubernetes10
http10
coredns10
go10
dns10
helm10
kubernetes-pods10
nameserver10
grpc10
back-end-development9
tls129
google-app-engine9
tls139
plugin-development9
filepermissions9
Programming languages (18)
Github contributions (5)
coredns/coredns
Oct 2020 - Oct 2021
CoreDNS is a DNS server that chains plugins
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 4 commits, 4 PRs in 1 year
Contributions summary:Johnny primarily contributed to the DNS-over-HTTPS (DoH) and gRPC functionalities within the CoreDNS project. They addressed issues related to HTTP/2 upgrades and implemented custom request validation for DoH. Furthermore, the user modified the code to set the HTTP request within the DoH writer and adjusted the cache-control header. They also enabled HTTP/2 in the gRPC service.
dnspluginchainsdns-servercncf
helm/helm
Nov 2017 - May 2018
The Kubernetes Package Manager
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:12 commits, 7 PRs, 33 comments in 6 months
Contributions summary:Johnny primarily contributed to enhancing the Helm package manager's core functionality and stability. Their work included fixing bugs related to `helmignore` and symlink handling within chart loading, improving the handling of symbolic links for subcharts. Additionally, the user implemented changes to address issues related to namespace warnings during upgrades and improved the gRPC communication configuration, demonstrating an understanding of both back-end and operational aspects of the project. Further contributions include improvements to the rollback functionality within the tiller service.
chartscharthelmpackage-managerkubernetes
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