Pay-engine – a complete PSP solution
Consulting and implementation on all project stages: concept building, requirements development, technical specification preparation, application design and architecture, UX design, deployment, QA, documentation and support.
QaiWare was deeply involved in the project planning and governance, setting up development teams based on business capabilities along with Scrum Masters, POs, PMs, Delivery managers and Product Development teams.

Customer Profile

Concardis is one of Europe’s leading payment service providers, supplying high-performance payment systems to some 110,000 customers at 210,000 locations and with more than 470,000 connected terminals.
The company provides its customers with high-performance and multi-sales-channel solutions for face-to-face retail and mail order as well as e-commerce and m-commerce.

Project info
Concardis GmbH
payment, Concardis, payment service provider
Project url


“Payengine” How it works

The project aims to provide the most tailored payment solution in the DACH region of Europe (Germany, Austria & Switzerland). It allows processing of credit & debit cards as well as the most used payment methods in the region, such as PayPal, RatePAY, SEPA, etc. and all of this with a single RESTful API. Having this solution under one hut the merchant can see and manage all transactions in one place.
Payengine targets businesses in various sizes, large e-commerce companies, as well as SMEs. The product provides various integration options, which require very low or in some cases no development/integration cost from the merchants.

The link provided below leads to the Merchant Center, which is live for selected merchants:

Joachim Beck
Joachim Beck
Senior Product Manager

QaiWare has an incredible team in general! Even though I am personally not a technical person, they understood my vision completely and created an amazing and reliable product.