Working in an up to 7 members platform team, i provided kubernetes clusters and additional tools for to 15 developer teams. I took also 6 months of parental leave in this period.

• setting up kubernetes clusters on aws ec2 with terraform and kubespray
• moving the complete ci infrastructure from jenkins to gitlab pipelines
• providing in-pipeline helm deployments to restricted namespaces per team
• setting up an unified database initialization process for all teams
• refined the code review process to raise review speed and quality
• set up a contributor model to allow developers to contribute infrastructure changes via merge requests

As part of a 4 member DevOps team i build tools to enable our developers to deploy and test their applications on our kubernetes clusters, later i was a dedicated DevOps in a crossfunctional scrum team. I took also 2 months of parental leave in this period.

• integrated helm chart deployments in the build pipeline
• created a git repository based deployment strategy to enable developers to deploy to all environments on their own
• extended the selenium helm chart to run selenium behind an ingress in our cluster
• setup automated integration tests as part of the build pipeline
• improved speed of automated tests by setting up a scaleable parallelisation framework
• created several concourse CI pipelines
• created a concourse CI resource to complete bitbucket integration via build notifications
• helped to create a reusable set of build-pack scripts to create new projects
• set up nginx rules to A/B test our new applications against the existing

After a brief start as php web developer i started to fill the open DevOps role as the team scaled up and the projects needed a different kind of skills

• migrated the test infrastructure from inhouse to aws
• improved build and deployment processes with multibranch pipelines and jenkins docker slaves
• improved and supported the development environment with vagrant and docker
• integration of new slim applications on www.airberlin.com with NGINX Reverse Proxy and SSI
• conception of a release process and providing the tools needed for a dev team of 10 - 15 engineers
• introducing and living the 'pipeline as code' concept in the web development team
• developing a progressive web application that has been featured on the Google I/O 2016 https://flights.airberlin.com/de-DE/progressive-web-app
• actually travel to the Google I/O to present it live https://www.youtube.com/watch?v=0SSI8liELJU&t=26m44s

I was hired as a php web developer to rebuild the www.wetter24.de site and its different clients e.g. www.weer.nl

• completly rebuild a multi-client weather website and moved infrastructure from inhouse to automaticly scaled aws servers
• conception of a caching layer model to ensure page speed
• improved several REST Web Services used by MeteoGroup Apps as WeatherPro, AlertsPro

Intershop and Adobe CQ5 Customizing

• design and implementation of web shop components for big german clients (PitStop, Intersport)
• expierence with different frameworks (12 months Intershop, 6 months Adobe CQ5)

IBM Maximo Development

• design and implementation of new features for the there used Maximo Asset Management System
• getting a deeper unterstanding of the Service Management Process

As part of the dual university education i had several internships in the IBM development departments around Stuttgart

• setting up a customized learning and communication plattform for the Afghan German Management College
• integrating php applications in IBM WebSphere Portal (J2EE) via the Remote Portlet API