3 yearsDuration of collaboration
16Full-time engineers across DevOps Development and QA
€3M+Savings in technology costs
THE SHORT STORY
Payone GmbH is a German payment service provider (PSP) and e-money institution headquartered in Frankfurt. It offers comprehensive cashless payment solutions—online, in-store, and mobile—for merchants across the DACH region and beyond. Payone processes billions of transactions annually for more than 260,000 customers, including brands like Deutsche Bahn, Rossmann, Puma, home24, and Sansibar. Key offerings include a payment gateway, reporting & analytics, and omnichannel payment solutions.
- CLIENT
- Payone GmbH
- INDUSTRY
- Financial Services
- DURATION
- 3-year multi-team engagement (and ongoing)
- THE TEAM
- Up to 16 Engineers across DevOps, Backend & QA, coordinated with Payone’s internal teams
01 / Payone GmbH
The challenge.
- Transitioning from on-premises infrastructure to a cloud-based ecosystem while maintaining availability and regulatory compliance.
- Need to refactor and rewrite the Report Engine to support new formats and large-scale customer reporting.
- Lack of automated QA across multiple products integrated with Payone’s platform.
- Consolidating data from multiple merged source systems into a unified CBIS reporting platform with a central data model.
02 / Payone GmbH
Our approach.
- Scaled multiple cross-functional teams (DevOps, Development, QA) to support Payone on core initiatives.
- Led the migration journey from legacy on-prem systems toward cloud-native services.
- Redesigned and implemented a new Report Engine capable of generating multi-format customer reports.
- Introduced automated QA testing suites to increase reliability across Payone-integrated products.
- Supported design and implementation of the CBIS platform, unifying data from several systems into a single reporting tool.
03 / Payone GmbH
What we built.
- Modernized cloud-centric architecture underpinning Payone’s transaction processing and reporting.
- A robust report generation engine that handles diverse output formats and high volumes.
- CBIS as a centralized reporting hub with a consistent data model across previously siloed systems.
- Automated testing frameworks integrated into CI/CD, improving release confidence and speed.
04 / Payone GmbH
The impact.
- 3 years of successful, ongoing cooperation.
- Up to 16 full-time engineers deployed across DevOps, development, and QA.
- More than €3 million in technology cost savings attributed to optimized infrastructure and processes.
BEHIND THE BUILD
The technology.
- AWS
- Azure
- C#
- .NET
- PHP
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