Stev Witzel
Software Engineer at Mistral AI
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolStev Witzel is a seasoned software engineer with 14 years building cloud-native and distributed systems, now based in Berlin and currently at Mistral AI. He brings deep expertise in Kubernetes, Cloud Foundry, BOSH, DevOps practices and languages like Go, Ruby and Java, and has driven reliability and deployment improvements at scale while leading teams at VMware and Pivotal. Stev contributes to high-profile open-source projects—improving RabbitMQ’s Kubernetes operator and enhancing BOSH stemcell and monitoring workflows—demonstrating a knack for pragmatic infrastructure fixes that prevent subtle runtime failures. A practitioner of TDD, pair programming and XP, he combines hands-on coding with technical leadership to streamline deployments and harden production services. His background spans startups to enterprise R&D (including early co-founding experience), reflecting both product-minded engineering and operational rigor.
14 years of coding experience
23 years of employment as a software developer
M.Sc. Computer Science, M.Sc. Computer Science at Friedrich Schiller University Jena
Github Skills (17)
bosh10
kubernetes10
testing10
kubernetes-operator10
cicd10
rabbitmq10
go10
kubernetes-pods10
dockers9
bash9
docker9
automation9
automations9
yaml8
ruby8
Programming languages (12)
Github contributions (5)
rabbitmq/cluster-operator
Sep 2019 - Jul 2020
RabbitMQ Cluster Kubernetes Operator
Role in this project:
DevOps Engineer
DevOps EngineerContributions:23 commits, 1 push in 10 months
Contributions summary:Stev focused on improving the RabbitMQ cluster operator by addressing several infrastructure-related issues. They implemented changes to the init containers, adding a newline to the end of the configuration files to avoid errors. They also exposed the EPMD port in the RabbitMQ server container and refactored the generation of resource names. Furthermore, the user refactored system tests and included a new system test for RabbitMQ clustering. They addressed security by setting the run as group and user for the RabbitMQ server container.
operatorkuberneteskubernetes-clusterclusterkubernetes-operator
cloudfoundry/bosh
Nov 2014 - Jan 2015
Cloud Foundry BOSH is an open source tool chain for release engineering, deployment and lifecycle management of large scale distributed services.
Role in this project:DevOps Engineer
DevOps EngineerContributions:35 commits in 1 month
Contributions summary:Stev primarily focused on improving the BOSH monitoring and stemcell infrastructure. They implemented fixes for the health monitoring API, added configuration for non-interactive modes, and ensured proper service configurations within the stemcells. Additionally, they updated the code to allow for the uploading of the latest stemcell versions and optimized the deployment process through parallel blob downloads. These changes collectively enhance the monitoring capabilities and streamline deployment workflows within the BOSH ecosystem.
foundryboshpcfchainengineering
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