PAYONE Experts in Germany
to connect commerce and payments, matched in minutes with the power of AIHire experts who configure PAYONE payment flows, connect ecommerce systems and payment terminals, and improve settlement and transaction processes. FRATCH matches you quickly and precisely with vetted, available freelancers for your project.
Meet FRATCH Experts in Germany, who have recently used PAYONE
Michael R.
Last position:
Project Manager at Payone GmbH (Worldline AG)
- Objective/Motivation: PAYONE urgently needs a 360° view of its customers. So far, PAYONE has had no company-wide master data strategy. It is not possible to identify customers across all relevant systems.
The organization is to be enabled to identify customers across all relevant systems. Establishing the basis for master data management at PAYONE
- Challenge: Due to company acquisitions, the system landscape is very heterogeneous. The company is highly dynamic and burdened with many system harmonization and integration projects, meaning that resource bottlenecks and changes in project priorities repeatedly create an almost impossible task.
Due to BaFin findings, the project has a central task and role. The first focus is the migration of all customers, including their AML/KYC data, from the master data backend systems to Salesforce. This is intended to resolve one of the largest findings and establish the corresponding ODD/EDD processes.
In addition, customer data must be harmonized in Salesforce. Previous migrations resulted in duplicate customer records in some cases. The aim is therefore to maintain only one customer in Salesforce and, using the relevant information from the backend systems, also be able to identify which products the customer uses and in which processing systems the customer obtains PAYONE services.
Project: ONE Customer
Budget: €1.5 million
Team: 10/30 employees (full-time/part-time); 4 vendors/providers
Integration: 8 (subsystems/interfaces)
Applications: Salesforce; SAP S4/HANA; in-house developments
Tools: MS Office; Jira, Confluence, SharePoint
Methods: Hands-on; Agile (SAFe); Prince2
Gwen G.
Last position:
Senior Ruby on Rails & DevOps Developer at Sapiens
Further development of a software solution for managing audit applications and audit notifications according to §106d SGB V for the Association of Statutory Health Insurance Physicians in Hamburg.
- Developed numerous features, optimised performance, refactored code and analysed errors
- Refactored the development container setup
- Optimised the Gitlab-CI build pipeline
- Introduced improvements to the team workflow
Nemanja M.
Last position:
AI Engineer / Senior Backend Engineer at Intelycx
Manufacturing intelligence platform with enterprise workflows, RAG, real-time AI assistant features, and multi-repository backend architecture.
- Built and extended production AI/backend services with Django, DRF, FastAPI, GraphQL, Celery, PostgreSQL, MySQL, Redis, and WebSockets across a modular multi-repository platform.
- Contributed to ARIS V2, a real-time manufacturing AI assistant using LangChain, LangGraph, MCP tool orchestration, planning/execution flows, OpenAI, AWS Bedrock, Qdrant, and Elasticsearch/OpenSearch-backed retrieval.
- Supported rollout expansion from ARIS V1 in 4 of 17 client production plants to ARIS V2 currently active in 13 of 17 plants, increasing real-world deployment coverage to more than 50% of the client footprint.
- Worked on document-grounded RAG functionality including ingestion, OCR, chunking, embeddings, indexing, retrieval, reranking, and grounded answer generation for industrial workflows.
Stack: Python, Django, DRF, FastAPI, LangChain, LangGraph, GraphQL, Celery, WebSockets, OpenAI, AWS Bedrock, Qdrant, Elasticsearch/OpenSearch, PostgreSQL, MySQL, Redis, Docker.
Wael M.
Last position:
Test Manager at Schwarz IT
- Design, planning, and test case analysis
- Integration testing
- Coordination of UAT in the lab and on site
- Creation of HW and SW test catalogs
- Communication of test results from REST services with the SAP team
- Support for branches in the EU until rollout
- Coordination of defect management and SW updates with the involved vendors
- Checking the configuration of the charging stations in the backend software for different countries
- Continuous reporting of the quality status to project management
- Documentation of the user manual in English and German
- Tools: Confluence, be.Energised, OCPP Postman, OPI, CCV (payone.elavon), Excel, it4you
Sascha J.
Last position:
Agile Coach & Partner at Agisolve GmbH – Pragmatic Agility® | Edler & Stiegler GmbH | CTN Consulting
- Create a product and service portfolio delivering a 360 degree approach to digital corporate sustainability covering KPI management, CSRD reporting and sustainable strategy
- Create vision and business case
- Onboard and align business partners, negotiate contracts
- Set up partner network as self-organized agile team
- Co-develop product and service portfolio
- Coordinate sales and marketing, go-to-market strategy and roadmap
Igor P.
Last position:
Senior Frontend Developer at Objego GmbH
Within the project, Objego's digital platform for real estate management was further developed.
Further development of various software modules within the application.
Continuous improvement and optimization of existing functionalities to enhance performance and user experience.
Design and implementation of unit tests to ensure code quality and stability.
Close collaboration with the QA team to quickly fix bugs.
Implementation of new features in coordination with stakeholders and end users.
Active member of the Scrum team with a focus on agile methods and continuous improvement of the software.
Technologies: Angular 16/17, Material, Angular CDK, Angular Elements, Nx, NgRx, NgNeat, NgX-Translate, NgX-Charts, NgX-Lottie, NgX-Markdown, Sentry, Azure AI Form Recognizer, Lodash, Dayjs, Flatpickr, Lottie-Web, Mixpanel, RxJS, Prettier, ESLint, Webpack, Cypress, Playwright, Jest, Husky, TypeScript, Node.js, Zone.js, Docker, Spring Boot, Git, Figma, Figma Token, Storybook, Jira, Confluence, Atlassian, Gitlab CI/CD, Codecov, Custom Design System, Mockoon.
Nicole B.
Last position:
HR Business Partner / Senior Expert in Executive Management at Deutsche Telekom AG
HR Business Partner - Executive Management
- Recruiting
- Compensation & Benefits
- Talent & Performance Management
- Succession Management
- Change Management
- Onboarding
- Strong business focus
- Hands-on HR Manager
Discover over 15,000 top freelancers
Statistics of experts using PAYONE
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2.7 years
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Retail
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
75%
Master's degree or higher
50%
Doctorate
25%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using PAYONE
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
PAYONE experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (86%)
- Manufacturing (86%)
- Retail (86%)
- Healthcare (71%)
- Automotive (57%)
- Banking and Finance (57%)
- Advertising (43%)
- Agriculture (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
PAYONE at a glance
PAYONE is a payment service provider and acquiring partner for businesses that accept card and alternative payments. It supports commerce across online shops, physical stores and integrated sales channels. Projects may use the PAYONE name, PAYONE GmbH or legacy references such as BS PAYONE and B+S Card Service.
What companies build
PAYONE expertise is used to design and operate payment acceptance rather than to create a standalone storefront. Typical deliverables include:
- Ecommerce payment integrations for checkout and recurring transactions
- Card terminal and point-of-sale connections for physical locations
- Omnichannel payment flows linking online and in-store activity
- Settlement, refunds, chargebacks and transaction reporting processes
- Payment method configuration for customer markets
Ecosystem and tooling
PAYONE projects can involve hosted checkout pages, payment APIs, webhooks and tokenisation workflows. Specialists often work with ecommerce platforms, ERP systems, accounting tools, point-of-sale software and customer data services. They also need to understand authentication, PCI-related responsibilities, test environments and secure handling of payment events.
When freelance expertise helps
Companies bring in freelance PAYONE specialists when an integration must launch, change or recover without disrupting revenue-critical payment flows. This is common during a shop migration, new country rollout, terminal replacement or reconciliation project. In Germany, professionals may also support coordination between local retail operations, finance teams and external payment partners.
Skills that matter
Strong professionals combine PAYONE knowledge with practical integration and payment operations skills. They can map business rules to API requests, handle asynchronous status updates and trace failures across several systems. Useful adjacent capabilities include PHP, Java, JavaScript, REST APIs, webhooks, SQL, ecommerce platforms, ERP interfaces and structured testing.
How to assess specialists
Look for evidence of completed PAYONE integrations, not only familiarity with payment terminology. A capable specialist explains the full transaction lifecycle from authorisation through capture, refund, settlement and dispute handling. They document edge cases, protect credentials, separate test and live settings, and make monitoring and handover clear for the internal team. Remote collaboration works well when access, ownership and escalation paths are defined; on-site work can help when terminals and store processes are involved.
Frequently asked questions
Key details about PAYONE, drawn from the questions we get asked most.
PAYONE is used to accept and manage payments in ecommerce, retail stores and connected sales channels. A specialist can integrate checkout flows, card terminals, payment methods, refunds, settlement data and transaction notifications with the surrounding business systems.
PAYONE is commonly weighed against providers such as Adyen, Stripe, Worldpay and Nexi. The right choice depends on the required markets, payment methods, acquiring setup, terminal estate, integration model, reporting needs and internal operating processes.
A strong PAYONE specialist often combines payment integration knowledge with REST APIs, webhooks, ecommerce platforms, ERP connections and SQL. Experience with authentication, tokenisation, reconciliation, chargebacks and secure release processes is also valuable.
The required depth of PAYONE experience depends on the scope and risk of the work. A simple checkout connection may need focused integration skills, while a migration or omnichannel rollout calls for someone who understands terminals, settlement, failure handling and operational ownership.
PAYONE integration work is often suitable for remote collaboration when system access, test credentials and decision owners are ready. On-site time can still help with terminal rollouts, store testing and workshops, while clear German and English communication supports coordination across local teams and vendors.
Before engaging a PAYONE expert, define the sales channels, payment methods, connected systems and expected transaction states. Provide sandbox access, technical documentation, current error examples and a clear distinction between integration delivery, finance reconciliation and production support.
Good PAYONE work covers more than a successful test payment. Review how the specialist handles declined transactions, duplicate events, refunds, chargebacks, timeouts, settlement mismatches, logging, monitoring and the handover documentation.
Common PAYONE integration issues include incorrect status mapping, missed webhook events, weak idempotency handling and differences between authorisation, capture and settlement. Specialists should trace these cases across the shop, PAYONE services, terminals and finance systems before changing production behaviour.
The average hourly rate of freelancers in Germany who have used PAYONE in their recent projects is 99 €, which corresponds to a daily rate of about 794 € based on an 8-hour working day.
Of the freelancers in Germany who have used PAYONE in their recent projects, 75% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 25% hold a doctorate.
On average, freelancers in Germany who have used PAYONE in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Germany who have used PAYONE in their recent projects are German (100%), English (100%), and Spanish (29%).
The most common industries among freelancers in Germany who have used PAYONE in their recent projects are Information Technology (86%), Manufacturing (86%), and Retail (86%).
The most common business areas among freelancers in Germany who have used PAYONE in their recent projects are Information Technology (86%), Product Development (86%), and Project Management (71%).
Main locations of FRATCH Experts, who have recently used PAYONE
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
