Caterpillar SmartService App (Windows 8 App)

Nov 2015 - today

Development of custom extensions for the service app of ITML AG with SAP backend connectivity.

Keywords: Windows 8, Windows Store App, WinRT, C# 6.0, .NET, Visual Studio 2015

Gretsch Unitas SmartService App (Windows 8 App)

Aug 2015 - today

Development of custom extensions for the service app of ITML AG with SAP backend connectivity.

Keywords: Windows 8, Windows Store App, WinRT, C# 6.0, .NET, Visual Studio 2015

Vernissage Verlag Location Manager (Web)

Feb 2015 - today

A complex web based location management application located at https://www.location-manager.net. Implemented in AngularJS 1.x, PHP, MySQL.

ITML SmartService App (Windows 8 App)

Jun 2015 - today

Development of a generic service app for ITML AG with SAP backend connectivity.

Keywords: Windows 8, Windows Store App, WinRT, C#, .NET, Visual Studio

KVB SmartService App (Xamarin Forms)

Mar 2015 ? Jul 2015

Development of a service support app for KVB AG (Kölner Verkehrsbetriebe) with SAP backend connectivity.

Keywords: WinPhone 8, C#, Xamarin Forms, .NET, Mono, MonoTouch

KVB SmartService App (Windows 8 App)

Mar 2015 ? Jul 2015

Development of a generic service support app with SAP backend connectivity. More about it: http://www.itml.de/loesungen/einsatzgebiete/apps/

Keywords: Windows 8, C#, .NET, WinRT

fastAudit App & fastAudit Backend

Jan 2015 - today

Development of a multi-platform (iOS, Android, Win 8) auditing/reporting app. Also development of AngularJS, jQuery, Bootstrap, PHP, MySQl based backend.

Veka Sales Companion App

Oct 2014

Development of a table widget module for an iPad CRM Frontend app.

Keywords: iOS, Objective-C, REST, JSON

Sales Companion Windows 8 App

Jun 2014 ? Nov 2014

Development of a SAP CRM Frontend app in Windows 8.

Keywords: C#, XAML,  WinRT, Windows 8.1

Endress & Hausser Single Sign On App App

May 2014

Implementation of the Simple Certificate Enrollment Protocoll (SCEP) in iOS.

Keywords: iOS, SSL, SCEP, C, Objective-C

Tesa Scribo Connect & Check (iOS)

Feb 2014 ? Apr. 2014

An iPhone app to verify the authenticity of products. The app includes a Datamatrix code scanner.

Keywords: iOS, Objective-C, Core Data , Datamatrix

Beiersdorf iTalent Showcase (iOS)

Dec 2013 ? Jan 2014

This iPad app is used to display the organizational structure of a company and to find job talents within. The app is a standard product and was customized for Beiersdorf in regards of data model and user interface.

Keywords: iOS, Objective-C, SQLite

McDonald?s App Germany (iOS)

Nov 2013

Official app of McDonald?s Germany. I added a QR code scanner and implemented the Big Mac Hunt module for the January 2014 campaign.

Keywords: iOS, Objective-C, Core Data, QR Code Scanner

famila Nordost App (iOS & Android)

Aug 2013 ? Oct 2013

iPhone & Android Phone App. famila is a food distributor in the north of Germany. The app offers discounts via barcode couponing (a QR barcode reader is contained) and payment functions. The whole app connects via REST/Json/TLS to a backend. I refactored the whole project which was originally created by an outsourcing team.

LIDL LiAM App (iOS)

May 2013 ? Jul 2013

iPad app used for time tracking.

Keywords: iOS, Objective-C, SQLite, SAP Backend

Vernissage Atelier Art Gallery  (HTML / JavaScript / jQuery / MySQL / PHP)

Jul 2013

Implementation of a custom built web CMS. The CMS contains art objects and artists data.

Heimburger Immobilien (HTML / JavaScript / jQuery / MySQL)

Apr 2013

Custom made Content Management System for heimburger-immobilien.de

Keywords: HTML, jQuery,, Javascript, PHP, MySQL

Website Inkasso Consulting Stumpf (HTML / JavaScript / jQuery / Perl)

Jan 2013 ? Mar 2013

New modules written in HTML and Perl for the intranet.

Keywords: HTML, jQuery, Javascript, Perl

Gewete App (HTML 5 / Phonegap / jQuery Mobile)

Jan 2013 ? Feb 2013

An iPad configurator app. It is used by sales representatives to configure gambling machines for the clients.

Keywords: jQuery Mobile, Phonegap, Apache Cordova, HTML5

SAP Sales Companion Windows 8 Prototype (Windows 8)

Jun 2013

Full implementation of a Windows 8 prototype app. Was presented by Microsoft at the Build Conference in 2013.

SAP Sales Companion App (iOS)

Jul 2012 ? Jun 2013

iPad app. The app is a mobile frontend to the SAP RM system. I worked on the calendar module. The module merges calendar data from the device with the data from the backend. Technical highlight of this project was the implementation of the SAP CRM backend connectivity (SUP).

GLS Customer App (Android)

Feb 2012 ? Apr 2012

Native Android app for GLS. Barcode scanning and connection to a REST based web service.

MyBowling App (iOS / Android)

2012

iPhone & Android Phone App. Official app of the Bowling Verband in Germany. App connects to a backend to get the locations of bowling centers near the user or news from the Bowling Verband. Full implementation of iOS and Android clients by me.

Games & Business App (iOS & Android)

iPhone & Android Phone App. App for the German Games & Business Magazine. App fetches news from a Typo3 based backend.

Official Heidelberg App (iOS)

2012

iPhone app. I implemented the update mechanism. The app fetches regularly updates from a backend service.

zitty Magazin App (iOS)

2012

native iOS App for the zitty Mag in Berlin.

MVV Energiemonitor (iOS)

Sep 2011 ? Dec 2011 / Jun 2012

iPad app for MVV AG, a regional electricity distributor in southwestern Germany. The app displays the energy prices for the last 10 and next 3 years and offers various tools to analyze the energy prizes. The diagrams are implemented by me in OpenGL. I also implemented part of the backend connectivity.

SAP Interview Assistant App (iOS)

2011

iPad app. I implemented some of the SUP (SAP/Sybase Unwired Platform) backend connectivity.

Cebit 2011 App (iOS)

2011

Official iPhone app of the Cebit venue in Hannover, Germany. 

abcSnapbook App (iOS)

2010

iPhone app. With this app the user is able to generate fto albums and to send them to a printing service.