Together with two other board members we run an independent child care for 24 children age 1.5 to 6 years. The role involves managing five direct employees as well as dealing with the city of Berlin and other legal entities.

Building the core of our mobile Apps (iOS and Android), based on React-Native and ClojureScript.
This includes amongst other responsibilities:
- Setting up the mobile app as part of our mono repro, enabling code reuse of parts of our React based web app
- Setting up CI and CD, running detox e2e tests and distributing internal builds on each commit
- Automating the release process and releasing the mobile apps as part of our weekly release cadence
- Hiring and building up a mobile team from scratch

Consultant, designer and developer for Mac and iOS applications.

Internship - Adding product ratings to the hybris J2EE e-commerce platform.

I am dividing my time 30/70 between Engineering Management and Development Engineering Management - Leading a team of 8 developers across iOS, Android and React-Native - Introduced career plans, 1:1s and an improved feedback culture - Implemented monthly workshops to foster knowledge sharing across platform boundaries - Pushed CI and testing across all projects using our self hosted GitLab CI React-Native Lead - Gained deep expertise in RN development while shipping 5 very different apps including one for Android TV - TypeScript on ES2018 - State management with MobX and Redux - react-navigation for powerful cross platform navigation - Native Module development in Java, Kotlin, Objective-C and Swift - Push Notifications using Firebase - Offline SQLite databases with TypeOrm and WatermelonDB: - SQLite FTS for full text search - Offline mutations and syncing - Testing via Jest, e2e testing with detox.js - App beta distribution via AppCenter, Testflight and Google Play

Freelance consultant for mobile app development. Let me help you grow your teams engineering excellence, ship code faster and more stable. I also do good old software development for iOS (ObjC and Swift) and React Native.

We build Mac and iOS applications. http://nxtbgthng.com Besides being one of two managing directors I also get to code a lot still.

Working on their iOS &amp; Mac projects.

Working Student while finishing my studies. Building features for their flagship ERP and CMS tools.

Internship at Comarch R&amp;D department in Warsaw/PL. Building functional UI components for a cross-platform BI reporting tool named OCEAN GenRap.

Engineering Manager & Team Lead - Mobile @ Pitch

Concept and development of the app for the Franco-German TV Network ARTE.

It is highly optimised for iPhone and iPad, embraces Airplay and focuses on the personal aspect of iOS devices, rather than on the mobile.

(Sorry: only available in

ARTE iOS App

Trivago is the world's largest hotel search. We helped them taking their iOS app to the next level.

Trivago for iOS

The Impossible app allows you to make use of the Instant Lab hardware to expose digital pictures onto analog instant film.

It also allows the user to scan in analog pictures using the iPhone camera. The pictures are cropped and straightene

Impossible

Digital Concert Hall App for iOS 2.0

SoundCloud is the world’s leading social sound platform, with over ten hours of music & audio posted every minute.
Discover the best new music & audio with the official SoundCloud app. Hear fresh tracks from the world's largest community of

SoundCloud iOS

Carhartt WIP is a german street wear label. On a monthly basis they invite artists and have them record radio shows. The content ranges from Jamie XX to Madlib and many more.

The app puts the archive of those shows at your finger tip. You 

Ullrich Schäfer

Engineering Manager & Team Lead - Mobile @ Pitch