Alexander Berger
Principal Site Reliability Engineer at Nexxiot
Staufen, Aargau, Switzerland
Summary
👤
Senior🎓
Top SchoolAlexander Berger is a Principal Site Reliability Engineer with 11+ years of experience designing cloud-native platforms, CI/CD landscapes and resilient infrastructure for enterprise banking and IoT at companies like Finnova and Nexxiot. He combines hands-on DevOps and backend engineering with architecture leadership—having built OpenStack- and OpenShift-based CI/IaaS platforms, introduced AWS to enterprise CI, and led platform teams and architecture governance. An active open-source contributor, he has improved the Flux Helm controller and contributed to the AWS SDK for Rust, focusing on CRD handling, Kustomize integration and secure credential flows. His credo to "automate everything" drives pragmatic solutions that reduce operational risk while freeing time for R&D into serverless, deep learning and blockchain/Smart Contract applications. Based in Switzerland, he blends deep legacy-system integration experience with modern GitOps and cloud-native practices.
11 years of coding experience
20 years of employment as a software developer
Wirtschaftsinformatiker FH Wirtschaftsinformatik, Wirtschaftsinformatiker FH Wirtschaftsinformatik at HWZ University of Applied Sciences in Business Administration ZurichBerufsmaturität Betriebswirtschaft, Berufsmaturität Betriebswirtschaft at Handelsmittelschule
German, English
Github Skills (20)
kubernetes10
tool-kit10
api-design10
kustomize10
crdt10
aws-sdk10
gitops10
crt10
go10
aws10
helm10
kubernetes-pods10
rust10
credential-manager10
credentials10
Programming languages (12)
Github contributions (5)
fluxcd/helm-controller
Feb 2021 - Apr 2021
The GitOps Toolkit Helm reconciler, for declarative Helming
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 reviews, 5 commits, 3 PRs in 2 months
Contributions summary:Alexander primarily focused on enhancing the Helm controller's capabilities within the fluxcd/helm-controller repository. The user added support for Kustomize-based PostRenderers, integrating Kustomize functionality into the Helm release process. Furthermore, the user implemented features related to CRD upgrades, including the ability to apply CRDs during upgrades with different policies and to manage CRDs during installation. These contributions focused on improving the controller's flexibility and CRD handling.
helmdeclarativegitops-toolkithelmfilehelm-charts
rusoto/rusoto
Jan 2018 - Dec 2019
AWS SDK for Rust
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 7 PRs, 27 comments in 1 year 10 months
Contributions summary:Alexander primarily contributed to the AWS SDK for Rust project by merging branches and modifying code related to AWS service definitions and credential management. They focused on enhancing the ACM service, modifying error handling, and addressing API definitions for certificate management. Additionally, the user worked on improving the profile provider for AWS credentials, implementing environment variable-based configuration, and incorporating secure handling of secret credentials.
rustaws-sdksdkaws
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