Adyen Experts in Germany
matched in minutes with vetted and available freelancersHire experts who integrate Adyen Checkout, design payment flows, connect local payment methods and improve recurring billing. FRATCH uses precise AI matching to connect you with vetted, available freelancers who fit your project quickly.
Meet FRATCH Experts in Germany, who have recently used Adyen
Ali A.
Last position:
Founder & Architect at Independent AI R&D
- Fully on-premises LLM document-examination platform for a compliance-critical banking domain: agentic LangGraph pipeline with deterministic verification, every AI judgment structured and source-anchored; ~960 automated tests, zero data egress
- GPU throughput engineering (quantized serving, speculative decoding, prefix caching): 9.5x extraction speed-up, 500+ multi-document case files per day on a single A100
- AI-native EDI/EDIFACT integration platform (~116k LOC Java 25 / Spring Boot 4, 1,900+ tests): LLM-drafted partner mappings machine-verified before go-live (DFDL conformance, field-coverage checks, dry runs), ~99.5% byte match on real customer files — replacing weeks of manual mapping per partner
Reinhold M.
Last position:
Business Analyst, Proxy PO, Epic Owner, Quality Assurance at Digital Charging Solutions
- Design and supervise implementation, testing and rollout of end-to-end processes and system integrations (frontend & backend)
- Integrate with OEMs (Daimler, BMW/MINI) and CPOs (Ionity and others)
- Introduce CPO discount packages with lifecycle processes
- Implement consenting process for GTC & tariff updates and marketing opt-ins via SAP Emarsys
- Automate blocking/unblocking of customers and integrate MS Dynamics CRM and proprietary 3rd level tool
- Coordinate migration and go-live of new fleet portal
- Migrate PSP from Datatrans to Adyen (credit card, PayPal) and integrate SEPA/BACS with Adyen via webhooks
- Support and enhance OpenInformer billing engine: Oracle→PostgreSQL migration, PostgreSQL upgrade, regression test suite, performance troubleshooting, invoice relocation to Azure Storage
- Identify and analyze fraud cases and implement countermeasures
- Provide problem management, incident support and hypercare after major rollouts
Harald S.
Last position:
IT Product Owner – eCommerce – Mechanical Engineering at Self-employed
- Responsible for further developing the web shop with focus on stability, security, and scalability
- Support the business in creating and evaluating requirements
- Technology: SAP Commerce Cloud, Adobe Experience Manager CMS (AEM), Solr Search, Adyen Payment Service Provider
- Tools: Confluence, Jira, Miro, ServiceNow
Steffen S.
Last position:
Senior Technical PM, CRM Core Experience & AI at Propstack GmbH (Scout24 S.E.)
- Built a JTBD-based prioritization framework for 3,000+ accumulated feature requests, identified 27 broker jobs, validated 8 through 25 user interviews, and used the resulting job map as a live prioritization filter for all incoming channels (Upvoty, CSAT, consulting tickets).
- Responsible for the Scout24 Lighthouse initiative: Document Intelligence with full RAG architecture (semantic chunking, bge-m3 embeddings, pgvector, BM25+Dense hybrid retrieval).
- Reduced lead time of customer feature requests to 3.1 days through code analysis, ticket specification, and independent implementation using a coding agent (Codex).
- Developed an LLM-based support agent (GPT-4o mini, Codex-generated merge requests) that reduced 3rd-level escalations from 40% to 5% of all monthly tickets.
- Integrated six partners through technical coordination, specification, backlog and release management, and led seven full stack developers.
- Eliminated regulatory exposure for brokers in six weeks through risk analysis (BGH ruling on distance selling/GDPR), new audit features, and coordination with legal and data protection officers.
Johannes S.
Last position:
CFO at Genesis Mining Ltd
- Built the entire accounting function from organizing bank and wallet accounts to preparing CEO statements
- Prepared group financial statements and coordinated with authorities
- Advised shareholders in Dubai
- Recommended reorganization of the group
- Managed liquidation after spin-off
- Built and managed the finance team
- Created a project plan for HK statements
- Collected bank and wallet accounts (five-figure number, millions of records)
- Structured and processed all legal transactions (technology agreements, power plant acquisitions, SPVs, spin-off, investment/disinvestment structures, profit sharing)
- Set up chart of accounts by profit centers
- Built and managed fixed assets
- Introduced accounting in the US system QuickBooks and posted all entries (millions)
- Cleared accounts
- Handled intercompany reconciliations with major subsidiaries including permanent establishments
- Reconciled all transactions (B2B, B2C, self-mining, wallets/exchanges/credit cards)
- Negotiated settlements of receivables (double-digit millions)
- Engaged auditors and tax advisors
Results:
- Established the accounting function with all associated subsystems and built the team
- Prepared group and subsidiary financial statements as well as tax returns and coordinated with authorities
- Coordinated auditors
- Advised shareholders in Dubai
- Recommended group reorganization
- Managed liquidation after spin-off
Armen M.
Last position:
CTO/CPO Platform & Technology at Green Mobility Holding
- Overall responsibility for platform transformation across ERP, CRM, PIM, and AI-driven process automation
- ERP transformation: Implementing and migrating to Microsoft Dynamics 365 Business Central
- CRM & growth stack: Implementing HubSpot as the central CRM and a platform for lead and marketing automation
- Product data & commerce enablement: Introducing an ePIM to scale category management and digital commerce processes
- AI-driven process automation: Designing and implementing agent-based AI workflows to automate processes in business services, accounting, tender management, and marketing
- Building a scalable platform organization including product development, DevOps, UX, cloud engineering, and corporate IT
- Implementing modern product and portfolio governance (e.g., OKRs, portfolio boards, value-based roadmaps) to manage technology-driven initiatives
- Harmonizing heterogeneous system landscapes and transforming them into a modular, scalable platform architecture (ERP, CRM, PIM, integrated customer journeys)
- Coaching and developing product owners, tech leads, delivery managers, and UX teams to build a scalable product organization
Gwen G.
Last position:
Senior Ruby on Rails & DevOps Developer at Sapiens
Further development of a software solution for managing test requests and test notifications according to §106d SGB V for the Hamburg Association of Statutory Health Insurance Physicians.
- Developed numerous features, performance optimizations, refactoring, error analysis
- Refactored the dev container setup
- Optimized the GitLab CI build pipeline
- Contributed optimizations to the team workflow
Zacharias C.
Last position:
CTO at Laracraft
- Architecture and conception
- Development at Cynapsis Interactive (Laravel, Filament, Google Ads API)
- Analyze and monitoring tool for z-optimations GmbH (Laravel, Blade)
- Development at ProgressMaker (Laravel, REST-API)
- Development of a data warehouse at ProgressMaker (Laravel)
- Development of SimpleStats.io (Laravel, Vue, Inertia, Tailwindcss)
- Development of Validation for Laravel (Laravel, Vue, Inertia, Tailwindcss)
- Development of multiple open-source projects (laravel-date-scopes, laravel-schema-rules, laravel-xhprof)
Ingo S.
Last position:
Interim Department Head / Director IT / Business Consultant at REWE-Digital GmbH
Interim takeover, further development, and management of the Customer Relations and Sales domain
Responsibility for ~150 employees (3 Chief Product Owners, 21 Product Owners, 2 Engineering Managers, Agile Coaches, Solution Architects, front-end and back-end developers, team assistants)
Budget responsibility: approx. 40 million euros
Support during the split of the central retail business unit into Procurement Solutions and Customer Relations and Sales
Reorganization and annual planning based on budget, capacity, FTE, PT, and management of the CRS department
Ensuring strategic projects in an agile product organization (e.g. REWE Bonus, in-house marketing, AI-based projects, data warehouse migration to Snowflake, retail media)
Reporting directly to management and the board
Jannis A.
Last position:
AI Trainer for cross-functional business owner tasks at micro1
Daniel W.
Last position:
Sabbatical at Sabbatical
- Travel and Gen AI trainings
Georg W.
Last position:
Project Manager / Product Owner at Freelance
- Project management and product owner for ERP migration to Odoo
- Designed a central single sign-on system (AWS Cognito) for all digital portals
- Coordinated complex system integrations (SAP, payment providers) with technical and business stakeholders
- Budget responsibility and resource management
Nabil A.
Last position:
Financial Accountant at Feintool
- Group accounting for seven production plants in Germany in the accounting area with SAP
- Responsible for general ledger accounting as well as accounts receivable
- Processing and monitoring of factoring processes
- Performing intercompany reconciliations between group companies
- Preparing monthly, quarterly, and annual financial statements in accordance with HGB and IFRS
Discover over 15,000 top freelancers
Statistics of experts using Adyen
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
2.2 years
Positions per freelancer
11
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Professional Services, Retail
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
89%
Master's degree or higher
56%
Doctorate
11%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using Adyen
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Adyen 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 (77%)
- Professional Services (54%)
- Retail (54%)
- Banking and Finance (46%)
- Manufacturing (46%)
- Telecommunication (46%)
- Automotive (38%)
- Media and Entertainment (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Payment Platform
Adyen is a global payment platform for accepting payments online, in mobile apps and at physical points of sale. It combines payment processing, risk management, recurring billing, issuing and reporting in one environment. Companies use it to create consistent payment experiences across markets and channels.
Checkout Integration
Adyen Checkout provides ready-made components and APIs for payment pages, mobile flows and embedded payment experiences. Specialists configure sessions, payment methods, redirects, webhooks and shopper authentication. They also shape error handling and fallback flows so customers can complete transactions without unnecessary friction.
Ecosystem and Tooling
Adyen work often connects several business and technical systems:
- Adyen Checkout, Components and API integrations
- Webhooks, payment status updates and reconciliation workflows
- Risk rules, RevenueProtect settings and fraud review processes
- Subscription, marketplace and split-payment models
- ERP, CRM, commerce and accounting integrations
Strong knowledge of APIs, authentication, data protection, cloud infrastructure and observability helps professionals operate these integrations safely. Experience with Adyen for Platforms is valuable when payments or payouts must serve multiple users or sellers.
When Companies Need Help
Companies bring in freelance Adyen expertise during a new market launch, a commerce replatforming or a move from another payment service. They also need support when authorization rates, settlement processes or payment-method coverage require careful analysis. In Germany, specialists may help align local payment preferences with a wider European checkout strategy.
- Replace or extend an existing payment integration
- Add alternative payment methods and local acquiring options
- Connect recurring payments, refunds and chargeback workflows
- Prepare a marketplace or platform payment model
Delivery and Operations
An Adyen specialist should translate business rules into reliable payment flows and clear operational controls. Typical deliverables include integration plans, checkout configuration, webhook consumers, test scenarios, reconciliation logic and support documentation. Remote collaboration works well when access, environments and ownership are defined; German-language communication can help when local operations and stakeholders are involved.
Choosing Strong Specialists
Look for professionals who can explain payment states, settlement timing, idempotency, retries and failure handling in practical terms. They should distinguish test and live environments, protect sensitive payment data and document every important configuration decision. Strong specialists also understand the commercial context behind payment methods, fraud controls and customer conversion rather than treating Adyen as an isolated API.
Frequently asked questions
What clients ask us most about Adyen — answered in short.
Adyen is used to accept and manage payments across web, mobile and in-person channels. It supports payment methods, refunds, recurring billing, risk controls, payouts and reporting through connected services and APIs.
Adyen is often considered when a company wants one payment setup across regions, channels and acquiring relationships. Stripe and PayPal can also provide broad payment capabilities, so the right choice depends on the required markets, payment methods, control over checkout, reporting and platform model.
A strong Adyen specialist usually understands API integration, webhooks, authentication, cloud operations and payment data flows. Useful adjacent knowledge includes ecommerce platforms, subscription logic, ERP reconciliation, fraud management and marketplace payouts.
The Adyen experience required depends on the scope and risk of the payment flow. A straightforward checkout may need focused integration skills, while multi-market acquiring, subscriptions, split payments or complex reconciliation call for a professional who has handled comparable production systems.
Yes, Adyen projects can usually be delivered remotely when the company provides clear access rules, test credentials, technical ownership and communication routines. On-site collaboration in Germany may be useful for workshops involving finance, compliance, operations or several internal teams.
Adyen supports a broad selection of payment methods, allowing companies to design checkout flows for German customers and wider European markets. The suitable mix depends on the target audience, sales channels, settlement needs and the company’s commercial agreements.
Ask an Adyen professional to explain payment states, webhook reliability, retries, idempotency, refunds and reconciliation using a relevant project example. Review the clarity of their integration plan, test strategy, monitoring approach and documentation rather than judging only the visible checkout screen.
Adyen for Platforms helps businesses manage payments and payouts for users, sellers or other participants in a platform model. A specialist should understand onboarding, account capabilities, split payments, risk controls and the operational responsibilities that come with moving funds between parties.
The average hourly rate of freelancers in Germany who have used Adyen in their recent projects is 108 €, which corresponds to a daily rate of about 860 € based on an 8-hour working day.
Of the freelancers in Germany who have used Adyen in their recent projects, 89% hold at least a Bachelor's degree, 56% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Germany who have used Adyen in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Germany who have used Adyen in their recent projects are German (100%), English (100%), and French (31%).
The most common industries among freelancers in Germany who have used Adyen in their recent projects are Information Technology (77%), Professional Services (54%), and Retail (54%).
The most common business areas among freelancers in Germany who have used Adyen in their recent projects are Information Technology (100%), Product Development (85%), and Project Management (77%).
Main locations of FRATCH Experts, who have recently used Adyen
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
