Mohamed Chiheb Ben Jemaa
Software Engineer at ionos-cloud
Berlin, Germany
Summary
🤩
RockstarMohamed Jemaa is a Berlin-based platform engineer with a decade of software experience and eight years focused on Kubernetes and cloud-native infrastructure. He has delivered production-grade platform features at companies like Giant Swarm and Renault Group, and contributed to high-profile open-source projects including kubernetes/test-infra, prometheus-operator and cluster-api. His work spans backend, DevOps and platform engineering—shipping branch protection logic, Alertmanager integrations, and adding a Proxmox provider to clusterctl—demonstrating both deep systems knowledge and practical testability improvements. Comfortable across the full stack from Java web apps to Kubernetes operators, he combines hands-on coding with infrastructure design to make complex distributed systems more reliable and observable. An inquisitive contributor, he balances commercial delivery with meaningful upstream contributions to the Kubernetes ecosystem.
10 years of coding experience
Stackoverflow
526reputation
87kreached
28answers
9questions
Github Skills (34)
monitoring10
kubernetes10
container10
testing10
go10
prometheus10
kubernetes-pods10
branch-protection10
alarmmanager10
cluster-api10
k8s10
notificationmanager10
dependency-management9
dockers9
cicd9
Programming languages (17)
Github contributions (5)
prometheus-operator/prometheus-operator
Feb 2022 - Jul 2025
Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:80 reviews, 12 PRs, 113 comments in 3 years 5 months
Contributions summary:Mohamed contributed significantly to the Prometheus Operator project, enhancing its functionality. They added features for configuring global settings, specifically related to integrations like Slack, OpsGenie, and Pagerduty by integrating API URLs and keys within the Alertmanager configuration. Furthermore, the user worked on modifying the code to improve the testability of configurations. They also made contributions to infrastructure aspects by adding scrape configurations, improving status reporting, and updating the codebase to the latest version.
kubernetesprometheusprometheus-operatormonitoring
kubernetes-sigs/cluster-api
Sep 2021 - Aug 2025
Home for Cluster API, a subproject of sig-cluster-lifecycle
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:36 reviews, 11 PRs, 100 comments in 3 years 11 months
Contributions summary:Mohamed primarily contributed to improving the `cluster-api` project's core functionality and infrastructure. They removed hardcoded conditions and added a new infrastructure provider (Proxmox) to the `clusterctl` tool. Furthermore, the user updated test cases to use `context.Background()` and replaced `context.TODO()` calls. They also made code changes and fixed bugs related to the MachineHealthCheck and promotion of the ClusterResourceSet feature to GA.
cluster-apisubprojectk8s-sig-cluster-lifecycle
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