Fabian Kajzar
IT Technology Consultant at SAP
Mannheim, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolFabian Kajzar is an IT Technology Consultant at SAP with 11 years of hands-on software engineering experience, blending backend Java expertise with native Android UI work. He has contributed to high-profile open-source projects, notably improving user-facing components and flows in the German Corona-Warn-App and implementing robust serialization and CRD support in the fabric8io Kubernetes client. Trained with a Master in Wirtschaftsinformatik from Universität Mannheim, he sits at the intersection of business and technology and focuses on delivering pragmatic, test-backed solutions. Known for tackling both UX-focused mobile features and low-level API compatibility issues, he brings a rare combination of product empathy and systems-level rigor to enterprise-scale projects.
11 years of coding experience
Master, Wirtschaftsinformatik, Master, Wirtschaftsinformatik at Universität Mannheim
Github Skills (14)
kotlin10
javas10
kubernetes10
android-sdk10
mobile-development10
android10
kubernetes-pods10
java10
json-serialization10
ui-design9
openshift9
java-client9
dsl8
kubernetes-client8
Programming languages (10)
Github contributions (5)
corona-warn-app/cwa-app-android
Jun 2020 - Aug 2020
Native Android app using the Apple/Google exposure notification API. The CWA development ends on May 31, 2023. You still can warn other users until April 30, 2023. More information:
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:4 reviews, 35 commits, 41 PRs in 2 months
Contributions summary:Fabian contributed significantly to the Android application, primarily focusing on user interface elements and the flow of the application. They implemented new UI components like `StepEntry` and `TanInput`, as well as refactored and styled existing elements, demonstrating a strong focus on the user experience. Furthermore, the user worked on integrating features for the submission process, including QR code scanning and test result display, as well as implementing interactions with the phone's dialer. Overall, they were a key contributor to the native Android app.
apinotification-apiexposure-notification-apiexposure-notificationandroid
fabric8io/kubernetes-client
Oct 2019 - Jul 2021
Java client for Kubernetes & OpenShift
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 reviews, 31 commits, 21 PRs in 1 year 8 months
Contributions summary:Fabian primarily contributed to the `fabric8io/kubernetes-client` repository by implementing custom serialization and deserialization for the `ArrayOrString` type within the Tekton extension. Their work addressed a specific issue and included adding unit tests to validate the serialization process. The user further updated the Tekton dependency and added support for the Condition CRD.
mocking-kubernetesopenshift-clientmock-serverkubernetes-modeldsl
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