Client projects

Having worked for startups as well as big enterprises I can help you implement your software project, setup a cloud infrastructure, form a team and define a software development process.

Secure Mobile Payment Platform

Secure Mobile Payment Platform

rheinlandmobil GmbH, ein Unternehmen der Sparkassen-Finanzgruppe, Cologne/Germany

Fintech platform for secure payment transactions and processes.

Development of native apps (iOS/Android), mobile SDK's and an API Backend (Ruby).

Scope of Work:
Consulting, Software development

Technologies used:
iOS 10 (Swift 3), Android 7 (Java), Strong encryption, Ruby 2.2 / JRuby, Ruby on Rails 4.2, MySQL 5.7


SKOPOS CONNECT Backend

SKOPOS CONNECT Backends

SKOPOS CONNECT GmbH, Hürth, Aachen/Germany
www.skopos-connect.de

SKOPOS CONNECT connects companies directly with their customers by utilizing insight communities.

Participation in the development of a backend API for community participant management and a data hub, both with an Angular based HTML5 frontend.

Scope of Work:
Consulting, Software development, Cloud/DevOps

Technologies used:
NodeJS 4, ExpressJS, mySQL 5.5, Sequelize, Javascript, HTML5, Angular 1.4, Grunt, Mocha/Karma, PhantomJS
NodeJS 6, ExpressJS, MongoDB 3.4, Mongoose, Babel/ES6, Angular 1.6, Gulp, Docker


I love MyMedia iOS/Android App (Relaunch)

I love MyMedia iOS/Android App (Relaunch)

IP Deutschland GmbH / GapFish GmbH / Smartclick Solutions, Cologne/Germany
www.ilovemymedia.de

iOS App Store
Android Google Play Store

Scope of Work:
Consulting, Software development

Technologies used:
iOS Universal App: iOS 8, Swift 1.2, XCode 6.3, CocoaPods, JSON API, OAuth 2, CircleCI
Android: Android 5.0, Java 7, Android Studio, JSON API, OAuth 2, CircleCI


SayWay App & Online Reporting

SayWay App & Online Reporting

SayWay GmbH, Cologne/Germany
www.sayway.de

SayWay delivers customer feedback systems for everyone: Tablet PC's with the SayWay survey app are used in a mobile or stationary setting. The survey data is being sent back to the server in order to be used in an online-reporting analysis tool for the customer (benchmark and branch comparison included).

Scope of Work:
Consulting, Software development (Backend & App), Cloud/DevOps

Technologies used:
Android 2.3, 3.2 & 4.2, Java, Javascript, jQuery, Ajax, REST Webservices (JSON), Ruby 1.9.3, Ruby on Rails 3.2, MongoDB 2.4, Amazon EC2 & S3


mingle Android App

mingle Android App

respondi AG / Smartclick Solutions, Cologne/Germany
mingle.respondi.com

By using the mingle app you may participate in topics of decision-making, the economy, science and current affairs.

Android Google Play Store

Scope of Work:
Consulting, Software development

Technologies used:
Java, Android 4.x, Eclipse, XML, SOAP


teVidi Remote iOS App

teVidi Remote

teVidi GmbH, Frechen/Germany
www.tevidi.com

iOS 7 Optimization
Refactoring (Network & Security)

teVidi offers integrated security and information systems for motorhomes and caravans.

iOS App Store

Scope of Work:
Software development

Technologies used:
iOS 7.1 (Universal App / iPhone & iPad), Objective-C, XCode 5.2


MyNewsPanel iOS/Android App

MyNewsPanel iOS/Android App

IP Deutschland GmbH / Smartclick Solutions, Cologne/Germany

iOS App Store
Android Google Play Store

Scope of Work:
Consulting, Software development

Technologies used:
Android: Java, Android 2.2, Eclipse, XML, SOAP
iPhone: iOS 6.1, Objective-C, XCode 4.6, XML, SOAP


B4Fun iOS App

B4Fun iOS App

triAGENS GmbH / Lucreo GmbH & Co. KG, Cologne/Germany
www.b4fun-app.com

Participation in the B4Fun project

The B4Fun app is a betting app that's not about winning money. It's all about creativity and enjoying the fun of betting with your friends.

iOS App Store (not available anymore)

Scope of Work:
Consulting, Software development

Technologies used:
iPhone: iOS 6.1, Objective-C, XCode 4.6, XML, SOAP


I love MyMedia iOS/Android App

I love MyMedia iOS/Android App

IP Deutschland GmbH / Smartclick Solutions, Cologne/Germany

iOS App Store
Android Google Play Store

Scope of Work:
Consulting, Software development

Technologies used:
Android: Java, Android 2.2, Eclipse, XML, SOAP
iPhone: iOS 5, Objective-C, XCode 4.3, XML, SOAP


BoosterVOC® QueryBuilder

BoosterVOC® QueryBuilder

triAGENS GmbH, Cologne/Germany

Implementation of a webadministration interface to visually create and execute queries in BoosterVOC.

BoosterVOC® Website

Scope of Work:
Software development

Technologies used:
Javascript, jQuery, Underscore.js, Ajax, REST Webservices (JSON), NoSQL


1 2 3 4