Sebastián Katzer
Mobile Application Developer
Leipzig, Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolSebastián Katzer is a mobile application developer and founder based in Leipzig with 12 years of experience building native mobile apps and architecting cross-platform solutions for clients including BMW and Daimler FleetBoard. He combines hands-on iOS and Android development with DevOps and rollout coordination, having designed messaging systems for real-time maintenance alerts and managed global MES operations. An active open-source maintainer, Sebastián added robust iOS support to several widely used Cordova plugins (background mode, local notifications, badges, printer, email composer), enabling background audio workflows and modern iOS compatibility. A longtime BlackBerry and Sencha enthusiast with a fondness for Ruby, he brings pragmatic architecture, deep mobile platform knowledge, and an operator’s mindset from managing go-lives and reducing production risk.
12 years of coding experience
1 year of employment as a software developer
Master's Degree, Computer Science, Master's Degree, Computer Science at Universität Leipzig
English
Github Skills (10)
cordova-plugin10
objective-c10
ios10
mobile-development10
avfoundation10
badger10
cordova10
mobile9
javascript8
corelocation7
Programming languages (9)
Github contributions (5)
katzer/cordova-plugin-printer
Aug 2013 - Mar 2019
Print HTML documents
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:329 commits, 15 PRs, 138 pushes in 5 years 7 months
Contributions summary:Sebastián made several commits related to the implementation and improvement of printing functionality within the Cordova plugin. They modified the iOS-specific code to handle printing, including setting up the print controller, loading content, and presenting the print interface. Furthermore, the changes included adding features like paper size, orientation, and the option to choose a printer, as well as correcting some bugs.
html-documentszplpdfjavascriptcordova-ios-plugin
katzer/cordova-plugin-local-notifications
Aug 2013 - Feb 2019
Cordova Local-Notification Plugin
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:806 commits, 93 PRs, 334 pushes in 5 years 6 months
Contributions summary:Sebastián's contributions primarily revolved around adding and modifying features for local notifications on iOS. The initial commit added basic iOS support for the plugin, including the implementation of core functionalities such as adding, canceling, and cancelling all notifications. Subsequent commits focused on bug fixes, code style improvements, and enhancements. The user also added a new method to get the type of the notification.
local-notificationsuser-notificationscordovanotification-plugincordova-ios-plugin
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.