Stephan Schulz

Freelance Software Engineer with strong focus on Architecture and UX

Lead development of two cocos2D based arcade platformer for iPod, iPhone and iPad written in Objective-C and C++. Intense use of OpenGL shaders and game programming techniques. Featured by Apple.

The Salonlab Smart Analyzer is the first device, that allows hairdressers to scan the hair structure of their clients through near infrared technology. The device communicates via Bluetooth with an iPad app, that visualizes the scan process and result. My task was to support the iOS team to finish the application in time. The focus was on quickly adapting the existing architecture and infrastructure to implement new features, reviewing merge requests and to optimize the application.

Lead development of the architecture and CI infrastructure for a large scale banking application. The goal was to build the foundation for an upcoming banking application, that offers traditional banking features, such like managing accounts or executing transactions and also serves as a wallet for digital currencies. Beside of the development of the app, my responsibility was also to setup the continuous integration and delivery process, as well as the documentation of all parts of the project.

Stability and performance updates for a legacy application. The focus was on the analysis of logs and crash reports in order to make the app compatible and stable with the latest iOS version again. Intense use of a variety of profiling instruments for finding memory and thread related bugs.

Development of several new features for a road based recommen- dation app. Focus was on the implementation of a map, that uses clustering for displaying huge amounts of data and the integration of community fea- tures within the user profile.

Lead development of two augmented reality applications that use ARKit 2 for the 3d object detection of an exhibit. The first app is a white-label so- lution for scanning physical objects and for managing / exporting / testing the finis- hed scans. The second, branded, application is able to import these scans and to detect a physical object based on a scan in order visualize corresponding 3d models using augmented reality.

Lead development of a new Daimler AG iOS application that offers first hand access to company specific news and media files as well as a personalized access to product presentations and drive events. The challenge of the long term project was to create an application, that conforms to the compliance guidelines of the company in terms of legal and security issues as well as serving as the technical lead for the mobile team.

Lead Development of a Cordova iOS Camera Plugin, that was able to capture, browse and share pictures or short videos.

Lead Development of a safety / mobility prototype for Daimler AG.

Development of a shopping app with similar features to Instagram (Stream, Camera, Profile) in Swift. The chosen architecture was MVVM with Data Binding and Coordinator pattern. Continuous Integration with Travis. UI testing with Google’s Earl Grey.

Lead development of a music streaming app similar to Spotify in Swift. Special focus was on offline caching and AVFoundation for a seamless listening experience.

Development of several new features connected to MapKit and improvement of architectural aspects of the carsharing app. Intense use of agile practices like pair programming, timeboxing, scrum or code reviews.

Lead development of the What Drops Now iPhone and iPad app for curated lifestyle shopping in Swift. Similar to Canopy. Intense use of PureMVC. Continuous Integration with Travis. UI testing with Google’s Earl Grey.

Lead development of an interactive, Bluetooth toothbrush / face tracking controlled macOS app running on a smart mirror. Shown on the Mobile World Congress 2015 and featured in wired.co.uk.

Development of interactive parts of the ARAG consultation app for iPad. Animation and visualization of different insurance themes. Integration in a version control friendly state machine architecture.

Lead development of various touchscreen applications for trade shows like CeBIT and IFA for Deutsche Telekom including a backbone.js driven HTML5 app available on the App Store. Intense use of Adobe AIR for cross platform presentations.

Lead development of the multilingual elitesingles.co.uk / eDarling.de dating app for iPhone. Focus was on architecture and creating a skinnable, multilingual application which can be used in different styles and under different names in different countries.

Lead Development of an cocos3D / UIKit based iPad app with a detailed realtime 3D experience of the new micro-architectural office system „Workbays“. The app contains 24 different POD models which can be rotated, zoomed and configured.

Lead development of a multilingual, WordPress based magazine about architecture for iOS and Android. Focus was on building a complete environment, which allows the client to create a magazine which can be easily distributed on iOS, Android and shared in Web.