[07/2021-present] - Vaillant Group

DevOps Engineer (freelancer)

API Developer Programme

Aggegation of data from IoT devices, providing APIs to query the data

Tech Stack: azure, k8s, kafka, mongodb, java, spring boot, ELK, grafana, prometheus, helm, kustomize

[5/2020-6/2021] - MediaSaturn IT Services

Senior Software Engineer (employee)

Development of an order management platfrom

Tech Stack: GCP, k8s, istio, kafka, mongodb, java, kotlin, grafana, prometheus, gitops with fluxcd, helm

[2/2018-4/2020] - MediaSaturn IT Services

DevOps Engineer (freelancer)

Development of fiscal (invoicing) services

Tech Stack: GCP, k8s, istio, kafka, mongodb, java, kotlin, react, typescript, jenkins, grafana, prometheus, gitops with fluxcd

Checkout Soulutions

Cash-register backend and frontend

Tech Stack: Java, JavaEE, C, C++, Linux, Maven, Make

[11/2017-2/2018] - BlueID GmbH

Software Engineer (freelancer)

Development of an Access As A Service (AcaaS) platform

Tech Stack: Go, Typescript, Angular, GitLab