Senior Android Engineer / Technischer Projektleiter

10/2017 – 7/2018

Refactoring of a Business-to-Partner White Label Application for Mobile Service Consumers;
Restructuring and Refactoring of an architecture built on Model View Presenter pattern with automatic presenter and dependency injection with Dagger2. Modular refactoring of backend components. Project and architectural planning.

Android

10/2015 – 9/2017

Wallet, client-Building; Integration of commercial third party frameworks: Apptimize, UserZoom, card.io and others; Implementation of server side backend architecture based on Amazon Web Services

Android

10/2015 – 9/2017

Wallet, client-Building; Integration of commercial third party frameworks: Apptimize, UserZoom, card.io and others; Implementation of server side backend architecture based on Amazon Web Services

Android

10/2014 – 6/2015

Implementation of a mobile handheld terminal for train conductors Implementation of feature lists in the context of passenger checks, ticket sales, penalty fares among others; Implementation of graphical and technical modules; Integration of tools for quality assurance

Android

7/2014 – 8/2014

Implementation of Android apps for customer orders:
- Android App: Vattenfall Cyclassics (customer: ehs-Media GmbH)
Tracking and service app for a big cycling event

Android

10/2013 – 6/2014

Design and implementation of a synchronized inventory management software (Android)
­ SQLCipher databases, REST / SOAP integration (JSON) Design of a backend system for real-time synchronization with multiple clients through a conceptualized Sync interface to be used in online and offline mode
­ Jenkins Continuous Integration with Robotium Integration (automated click tests on a VNC server) and other test automation
­ Design, user interfaces, client Building, documentation

Android

5/2013 – 9/2013

Implementation of multiple Android apps for customer orders:
1. Android App: Detection, measurement and management of vineyards (damage, tasks, etc.) [for the vineyard Fuchs in Flörsheim-Darlsheim]
2. Android App: Presentation app for playback of media content for representatives: Design and implementation of a rights-based server synchronized file system; Encryption of all files on the terminals [for Seuthe GmbH]
3. Web applications: implementation of a web shop for a garden-wholesale based on a content management system [for FVG-GmbH]

Android

5/2012 – 6/2013

Implementation of Android apps for customer orders:

­ App-based control of awnings via a WIFI interface (porting to Android) [for the Exclusiv Home GmbH]
­ Android App: Location Based Services (distributed databases, backend systems, GPS services)
­ Web applications (CMS system, web services

Android

11/2011 – 4/2012

Implementation of Android apps for customer orders:

­ App-based control of awnings via a WIFI interface (porting to Android) [for the Exclusiv Home GmbH]
­ Android App: Location Based Services (distributed databases, backend systems, GPS services)
­ Web applications (CMS system, web services

Android

9/2011 – 10/2011

Implementation of applications, graphical widgets and UI elements, server connections and authentication protocols, access to media-based cloud interfaces, refactoring by use of a continuous integration with integration of Robotium click tests, code injection with RoboGuice, Java-VM mock tests by Robolectric

Android

9/2010 – 5/2011

Implementation of applications, graphical widgets and UI elements, server connections and authentication protocols, access to media-based cloud interfaces, refactoring by use of a continuous integration with integration of Robotium click tests, code injection with RoboGuice, Java-VM mock tests by Robolectric

Android

1/2010 – 5/2010

Implementation of project processes, implementation of Android Frameworks / application generator and various Android applications (RSS-Reader, Radar Trap App). Presentation of the Android framework at droidcon fare (2010, Berlin, Germany)

Android

7/2009 – 5/2010

- Algorithmic design for NP-hard problem scenarios
­ Creating a graphical user interface and integration into a SOA architecture
­ Implementation of heuristic scanning method

Java (allg.)