PAYONE Tech Stack

Payment processor for German-speaking merchants across retail, mobile, and online channels

Financial Services Frankfurt, Hessen 1,001–5,000 employees Public Company

PAYONE is a major payment processor in Germany and Austria, built on a stack anchored in Spring Boot, Kafka, MySQL, and AWS—a standard architecture for transaction-heavy workloads. Current hiring is tilted toward legal and mid-level engineering roles while projects cluster around network security, consolidation, and compliance—suggesting the organization is reinforcing infrastructure resilience and regulatory posture rather than feature velocity.

Tech Stack 25 technologies

Core StackAWS Salesforce Kafka MySQL Maven Jenkins Python JavaScript Docker Linux Camunda Jakarta EE Spring Boot Git WildFly OpenAPI Microsoft Office Excel Word PowerPoint Salesforce Sales Cloud Service Cloud Conga Bash Windows

What PAYONE Is Building

◆Challenges

Optimizing enterprise network consolidation
Ensuring network security compliance
Continuous network process optimization
Identifying automation potential
Risk assessment of merchant activities
Compliance regulation implementation
Fraud risk reduction
Process weaknesses
Risk monitoring
Audit support

▲Active Projects

Monitoring
Firewall policy lifecycle management tool stack development
Network management solution implementation
Enterprise network consolidation
Strategic roadmap for acquiring products
Proof of concept for new services
Pilot implementation of new features
Vulnerability management
Capture-the-flag challenges
Regulatory office build

Hiring Activity

Steady15 roles · 5 in 30d

Department

Legal

Engineering

Finance

Security

Ops

Product

Sales

Seniority

Intern

Mid

Senior

Manager

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About PAYONE

PAYONE processes digital payments for merchants and service providers across stationary retail, mobile, and e-commerce channels in Germany and Austria. The company operates as a joint venture between Worldline and DSV Group. With over 260,000 customers processing 6 billion transactions annually, PAYONE handles payment orchestration, fraud risk management, and collections workflows across omnichannel and industry-specific verticals. The engineering footprint spans payment processing, network infrastructure, security, and integrations with Salesforce for merchant management.

HeadquartersFrankfurt, Hessen

Company Size1,001–5,000 employees

Hiring MarketsAustria, Germany

Frequently Asked Questions

What technology does PAYONE use for payment processing?

PAYONE's stack includes Spring Boot, Kafka, MySQL, AWS, Docker, and Jenkins. Camunda handles workflow orchestration; Salesforce manages merchant relationships and support; OpenAPI defines payment interfaces.

What is PAYONE working on?

Current projects focus on network security and infrastructure: firewall policy lifecycle management, enterprise network consolidation, vulnerability management, and compliance implementation—aligned with pain points in network security compliance and fraud risk reduction.