E-Invoicing Experts in Germany
from over 15,000 CVs with fast, precise AI matchingHire experts who design compliant invoice workflows, integrate ERP and accounting systems, and implement formats such as XRechnung and ZUGFeRD. FRATCH matches you quickly with vetted, available freelancers suited to your project.
Meet FRATCH Experts in Germany, who have recently used E-Invoicing
Alwin G.
Last position:
IT Interim Manager & AI Strategist
- Founder of CheironX: AI-supported GRC management (ISO 27001, BSI IT-Grundschutz, TISAX, DORA)
- Strategic focus on Agentic AI and GenAI for modern IT Governance, Risk & Compliance Management
- IT interim management and strategic consulting
Abhishek S.
Last position:
Business Process Manager / SAP FICO Owner at Dynapac GmbH
- Defined S/4HANA finance solution architecture and led full project lifecycle — Blueprint through Hypercare — for global rollout.
- Designed global finance templates and COPA characteristics, harmonizing financial reporting across business units.
- Implemented role-based authorizations, SOD controls, and master data governance; managed provisioning and training for 200+ users.
- Coordinated cross-module integrations (MM, SD, PP) and third-party systems (Salesforce, SAP DRC, E-Invoicing), reducing month-end close from 5 days to 2 days.
- Prepared functional specifications, supported ABAP development, and drove problem management practices that reduced recurring incidents.
Stefan A.
Last position:
Sole Architect and Developer at Bauernhof-Eis Stangl GbR
Design and implementation of a compact ERP, CRM, accounting, and production-planning platform for a German food manufacturer. The system replaces Rechnung11, self-built Excel sheets, and manual processes for fewer than 10 internal users.
- Designed and implemented the full platform architecture as sole architect and developer.
- Built modules for customer management, B2B order handling, invoicing, production planning, and accounting support.
- Implemented DATEV export, ZUGFeRD/XRechnung e-invoicing, FinTS bank statement synchronization, and GoBD audit trail concepts.
- Used AI-supported workflows for prototyping, test support, and implementation acceleration while retaining full architecture, review, testing strategy, and technical ownership.
Technology: Java 23, Spring Boot 3, Spring Data JPA, Spring Security, Vue 3, TypeScript, PostgreSQL, Flyway, REST, OpenAPI, JWT, TOTP, RBAC, DATEV, FinTS, ZUGFeRD, XRechnung, GoBD, JUnit, Mockito, Testcontainers, Playwright, Docker, GitLab CI/CD
Manuel K.
Last position:
.NET Developer, SAP Business One Consultant at Own Projects
- DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
- E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.
Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#
Maxime D.
Last position:
Lead Product Manager E-invoicing & AI at fino data services GmbH
- Responsible for the concept, planning, and implementation of the product development of GetMyInvoices 2.0 and the subcomponent InvoiceRails
- Independent work on all aspects of the project, including concept, specification in tickets, and coordination of developers
- Creation, management, and prioritization of tickets to ensure all tasks are completed on time and with high quality
- Carrying out and/or coordinating tests and ensuring the proper implementation of the developed features and functionalities
- Close collaboration with developers to clarify technical requirements and ensure the implementations match the specifications
- Regular reporting on project progress and documentation of key decisions, changes, and risks
- Taking on the subject matter lead for all topics around e-invoicing and Peppol, especially in relation to the InvoiceRails component
- Internal consulting and knowledge sharing on e-invoicing and Peppol for other teams and departments
- Tracking market trends and new developments in e-invoicing and Peppol to continuously adapt the product strategy
- Ensuring the long-term scalability and flexibility of the products for future technical and regulatory changes in the e-invoicing area
Michael K.
Last position:
Freelance Consultant at Tepo – Gebäudedienste GmbH
- Replacement and renewal of the existing client PCs with an upgrade to Windows 11 and mobile workstations with laptops and docking stations
- Introduction of Office365 with OneDrive use
- Introduction of e-invoicing with DATEV accounting software
- Revision of the standard office applications in daily use
- File storage in SharePoint instead of local data storage
- New authorization structure for users
- Use of Microsoft accounts to synchronize profiles
- Reorganization of the document scanning process with storage in SharePoint
- New backup concept in addition to the Microsoft cloud solution
- Introduction of new data structures: review and separation of data into active, inactive, private, business
- Simplification of processes
- Increased data security and improved security
- Permanent data availability at all internal and external workplaces
Diego E.
Last position:
RPG Software Developer from RPG III to Free Format
- Development of software and system support for RPG development.
- Development, optimization and maintenance of programs in RPG (RPG II to ILE Free Format).
- Performing integration tasks, data management as well as applying and managing system updates.
- User support and training to ensure smooth system operation.
René P.
Last position:
Product Owner & Full-Stack Developer (myPlace Parking) at Hahn-Airport-Inn e.K.
- Concept and full-stack development of an app for parking space booking & management (Hahn Airport)
- From requirements to implementation and deployment; AI-supported development (Claude Code)
Victor K.
Last position:
SAP S/4HANA Financial Consultant at SIIX
SAP S/4HANA Implementation (Greenfield)
- SAP Finance Reporting
- VAT Reporting
- Foreign Plants
- Tax Calculation for SD/MM
- Z4/Z5 Reports
- Intrastat
- SAP DRC (E-Invoicing)
System: SAP
Industry: Manufacturing
Team: 10
Venkatakrishna G.
Last position:
Senior SAP S/4HANA FI/CO Consultant at Scandinavian Tobacco Group - Freelancer
- Lead SAP Controlling, Product Costing and Material Ledger activities across multiple legal entities, improving standard-costing consistency, inventory valuation and month-end financial reporting.
- Contributed to a 30% reduction in the overall financial closing cycle by coordinating SAP Finance, Controlling, Material Ledger and plant-closing activities against a structured month-end calendar.
- Maintain 99.5% SLA adherence while resolving complex Level 2 and Level 3 incidents across Product Costing, Cost Center Accounting, Material Ledger, Actual Costing, WIP, variance calculation and production-order settlement.
- Execute and validate individual and mass standard-cost estimates using CK11N and CK40N, ensuring accurate costing based on current BOMs, routings, activity prices, purchasing conditions and overhead structures.
- Improved product-costing accuracy by identifying and correcting inconsistencies across material-master costing views, activity types, work centres, BOMs, routings and purchasing data.
- Reduced month-end delays by resolving missing cost estimates, incomplete settlement rules, incorrect activity allocations, variance-calculation errors and production-order settlement failures.
- Reconcile production-order costs, inventory values, purchase-price differences, work in process, production variances and settlement postings across SAP Controlling, Material Ledger and General Ledger.
- Execute Material Ledger and Actual Costing close activities, including price determination, purchase-price-difference allocation and periodic unit-price validation.
- Analyse manufacturing-cost variances across raw materials, labour, machine activity, subcontracting, production usage and overhead costs, enabling business controllers to identify root causes and cost-reduction opportunities.
- Configure and support costing variants, valuation variants, quantity structures, cost-component structures, overhead-costing sheets and automatic account-determination settings.
- Coordinate annual standard-cost planning, costing runs and standard-price releases with Finance, Procurement, Production and plant-controlling teams.
- Improved indirect-cost visibility through cost-center planning, activity-price calculations, assessments, distributions and cost-allocation cycles.
- Support profitability reporting through Account-Based CO-PA, enabling analysis by product, customer, market, company code and profit center.
- Developed reconciliation controls, standard operating procedures and costing reports that improved financial governance, closing accuracy and audit readiness.
- Facilitate workshops and knowledge-transfer sessions covering standard costing, Material Ledger, WIP, production variances and production-order settlement.
Michael M.
Last position:
Team Lead / Service Owner 2nd Level & ITIL at Creditreform
- Service owner of the receivables management platform Ikarus
- Management and coordination of external 1st-level service providers
- Team leadership and building ITIL-compliant support structures
- Managing the handover to 3rd-level support (internal & external, incl. vendor/development)
- Stakeholder management between the business unit, IT, and external partners
- Jira ticket automations and maintenance of Confluence documentation
Stefan W.
Last position:
Architect/Software Developer at Global Logistics Support GmbH
Task
- Further development of a new ERP system with Blazor
- Creation of e-invoices with the XRechnung and ZUGFeRD format
- UI/UX design Client-server system
- Windows 11 Technology
- Microsoft .NET 9, Git, Azure DevOps, ASP.NET, MSSQL, Blazor Programming languages
- C#, MVVM Development tools
- Microsoft Visual Studio .NET 2022 Database
- MSSQL Industry
- Other
Detlev S.
Last position:
Freelance ICT journalist and communications consultant at Freiberuflich
- Working as a freelance ICT journalist for print and online media, as well as a communications consultant for medium-sized German and Dutch IT companies.
- Creating specialist publications, white papers, and journalistic articles on topics such as AI, IT sustainability, climate protection through low-code development, and the introduction of the electronic invoice, etc. (>100 work samples in the original can be viewed at [link])
- Analyzing and reporting on cybersecurity trends, including the NIS-2 directive, Security by Design, and the development of associative computers.
- Conducting expert interviews with specialists and executives on technological innovations such as digital shadows in production and predictive maintenance.
- Numerous publications in trade media such as Wirtschaftsinformatik & Management, IM+io, IT&Production, Digital Business Magazin, eGovernment Computing, etc.
Ernst H.
Last position:
Support/Development/Consulting – Process Development, E-Invoicing, XRechnung, ZUGFeRD
- Support and further development of a complex process for creating XML documents for electronic invoices / E-Invoicing (XRechnung, ZUGFeRD)
- Automation of operational processes, process development and optimization
- Development of frontend applications with MS Power Apps
- Porting SQL Server 2016 to SQL Server 2022
- SQL Server database administration
Mark W.
Last position:
Independent IT/AI Consultant at Freelance
- IT consulting, coaching, and implementation with a focus on AI
Discover over 15,000 top freelancers
Statistics of experts using E-Invoicing
Aggregated from the professional profiles of matched freelancers.
Experience
21 years
Position duration
2.3 years
Positions per freelancer
16
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Project Management, Accounting
Bachelor's degree or higher
84%
Master's degree or higher
50%
Doctorate
3%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
98%
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 E-Invoicing
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.
E-Invoicing 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 (84%)
- Manufacturing (66%)
- Banking and Finance (54%)
- Professional Services (52%)
- Retail (44%)
- Media and Entertainment (36%)
- Automotive (34%)
- Transportation (34%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What E-Invoicing Covers
E-invoicing means creating, sending, receiving and processing invoices in a structured digital format. Unlike a PDF alone, an electronic invoice carries machine-readable data that accounting and procurement systems can validate and process. Projects may involve XRechnung, ZUGFeRD, Peppol or other country-specific formats.
Systems and Formats
E-invoicing specialists connect invoice processes with ERP, accounting, procurement and tax systems. They work with XML schemas, PDF hybrids, API integrations, document validation, digital signatures and secure delivery channels. In Germany, XRechnung and ZUGFeRD are common requirements across public-sector and business workflows.
Typical Deliverables
- Map existing procure-to-pay and order-to-cash processes
- Configure XRechnung, ZUGFeRD or Peppol connections
- Integrate ERP, finance and billing applications
- Build validation, routing and exception-handling rules
- Prepare audit trails, monitoring and operational documentation
The right setup reduces manual entry and gives finance teams clearer control over invoice status, data quality and compliance checks.
When Companies Need Experts
Companies bring in freelance E-Invoicing experts when a new mandate affects their processes, an ERP migration changes billing flows or manual invoice handling creates delays. Specialists can assess current systems, define a target process and deliver an integration without distracting internal finance and IT teams. In Germany, collaboration may require knowledge of local business practices and German-language coordination with tax, procurement or accounting stakeholders.
Skills That Matter
Strong professionals combine invoicing knowledge with practical integration skills. They understand accounts payable and receivable, tax data, master-data quality, XML validation, APIs, middleware, ERP configuration and access controls. Experience with testing, exception management and user training matters as much as the initial format setup.
Choosing the Right Specialist
Look for someone who can explain the full flow from invoice creation to posting, payment and archiving. Ask for examples of integrations with systems similar to yours, the formats involved and how failures are monitored. For remote work, clear process ownership and written documentation are essential; on-site workshops can help when several German-speaking teams must agree on requirements. A strong specialist leaves behind tested workflows, understandable documentation and a maintainable handover.
Frequently asked questions
Everything clients usually want to know about E-Invoicing, in one place.
E-Invoicing is used to exchange structured invoice data between suppliers, buyers and financial systems. It supports automated validation, routing, posting and archiving instead of relying on manual entry from email attachments. A specialist can adapt the workflow to your ERP, accounting software and trading partners.
E-invoicing sends machine-readable invoice data that software can process directly, while a PDF mainly presents information for a person to read. A PDF may be included in a hybrid format such as ZUGFeRD, but the structured data is what enables reliable automation. The distinction affects integration, validation and compliance design.
XRechnung is commonly used for structured invoices to German public authorities, while ZUGFeRD combines a readable PDF with embedded structured data. Peppol is a delivery network and set of specifications that can connect trading partners across systems. The right choice depends on customers, suppliers, ERP capabilities and transaction requirements.
E-Invoicing work often requires ERP and accounting integration, XML and schema validation, API design, middleware, tax-data handling and process mapping. Knowledge of accounts payable, accounts receivable, master data, security and audit requirements is also valuable. For German projects, familiarity with XRechnung and ZUGFeRD can be important.
E-invoicing projects vary with the number of systems, invoice formats, countries and business exceptions involved. A focused configuration may need a specialist who understands one ERP and its invoice workflow, while a multi-system rollout calls for broader integration and change-management experience. Assess the person against your actual process complexity rather than a generic seniority label.
E-Invoicing work is often suitable for remote collaboration because requirements, mappings, integrations and testing can be handled through shared documentation and secure environments. On-site workshops may still help when finance, procurement and IT teams need to resolve process questions together. German-language communication can be useful when local stakeholders or public-sector requirements are involved.
E-invoicing specialists should explain data flows, validation rules, error handling and the handover to finance operations in clear terms. Ask how they test invoices, protect sensitive data, monitor failed transmissions and document mappings. Strong work covers operational exceptions, not only the successful invoice path.
E-Invoicing freelancers should clarify the source and target systems, required formats, delivery channels, tax rules, invoice volumes, security constraints and ownership of testing. They should also confirm who approves mappings and who handles rejected or duplicated invoices. Clear access, decision paths and acceptance criteria prevent avoidable integration delays.
The average hourly rate of freelancers in Germany who have used E-Invoicing in their recent projects is 110 €, which corresponds to a daily rate of about 876 € based on an 8-hour working day.
Of the freelancers in Germany who have used E-Invoicing in their recent projects, 84% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers in Germany who have used E-Invoicing in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Germany who have used E-Invoicing in their recent projects are German (98%), English (98%), and French (24%).
The most common industries among freelancers in Germany who have used E-Invoicing in their recent projects are Information Technology (84%), Manufacturing (66%), and Banking and Finance (54%).
The most common business areas among freelancers in Germany who have used E-Invoicing in their recent projects are Information Technology (94%), Project Management (78%), and Operations (58%).
Main locations of FRATCH Experts, who have recently used E-Invoicing
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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