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Projects we do

RSJ has been developing custom software since 1985.

Many of our projects are mission critical to our customers.

Our expertise is bringing together heterogeneous systems (like POS systems and EFT, gamers with cloud storage, or scales with ERP systems and printers).

Some of our projects are build upon a open source foundation, that is extended to achieve the desired goals

Our skills include:

  • Cross Platform Software Development
    • Python
    • C/C++
    • Java
    • JavaScript
  • Windows
  • Linux
  • Embedded Systems
  • Cloud Integration
  • Web Applications
    • HTML5
    • XML/JSON
    • Web sockets
  • PDF
  • Connectivity
  • Cloud based services
  • Redundant systems
  • Multitasking
  • Device Driver
  • Electronic Fund Transfer
  • Automation
  • Barcodes
  • Remote Support

Look below for some of the projects we did in the past.

Contact us

Fill out this form if you want to talk with us about your next project.

How can we help you?

Or contact us directly:

RSJ Software GmbH
Holzstrasse 4
82120 Germering

Phone: +49 89 89 41 42-0
Fax: +49 89 89 41 42-80


  • Kiosk mode web application
  • Integration of project specific hardware (scanners, MSR, EFT terminals, LEDs, printers)
  • Integration with POS systems
  • EFT integration
  • More than 1000 installations in Germany and Austria

POS System Components

  • Point Of Sale System
  • Automatic deployment
  • EFT Integration in different countries (Germany, Denmark, France, Turkey, Austria)
  • Automatic failover
  • Integration of POS hardware (scanner, printer, MSR, EFT)
  • Web based administrative interface

Progressive Download

  • Digital Distribution for Video Games
  • Download technology
  • Web Integration
  • Virtual device driver
  • Using cloud storage
  • Browser plugin
  • More than 500.000 installations worldwide
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