Part-time Android developer / CI monkey / Puppet puppet at iosphere.
Part-time Jenkins & Android freelancer developer.

Some of the Jenkins plugins I've created:

Android: Emulator Plugin — Lint Plugin — Google Play Publisher
Others:   GCM Notification — Git Tag Message — Go Plugin

Some of the Android apps I've worked on:

• Best Swiss Hotels
• Mobilbox Pro
• MyWallet

Some of the talks I've given:

• Droidcon Berlin 2012: Preventing Privacy Problems
• Droidcon London 2012: CI and app quality with Jenkins (slides, video)
• FOSDEM 2013: Building, testing and deploying mobile apps (slides)
• June 2013: Better Builds @ Dutch Android User Group (video)
• Jenkins User Conference Berlin 2014:
  • Building, testing and deploying Android apps with Jenkins
  • Advanced git with Jenkins
• San Francisco Android User Group 2015:
  • Automating Android Build, Test & Continuous Delivery with Jenkins