XRechnung Expert in Germany
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Meet FRATCH Experts in Germany, who have recently used XRechnung
Wolfgang T.
Last position:
Overall Project Manager at itzbund
Project overview: The use of “Generative Pretrained Transformer” (GPT) technologies will greatly change the world of work in the coming years. ITZBund is developing a basic service for this purpose, which can be used by its 200 customers. This basic service is offered both on-premises and in the cloud. Launched in 12/23, production systems (based on the MVP) had already been successfully rolled out and operated for several authorities and federal ministries by 05/24.
Project metrics:
- 2024 budget approx. 20 Mio €
- approx. 70 people directly involved in the project
- regular (indirect) contact with approx. 80 people in the wider project environment
My main responsibilities:
- Overall responsibility as external project manager
- Project definition phase/ Project setup and establishment of the project organization
- Strategic and operational project planning, as well as project design and ongoing adjustments
- Ongoing coordination with the project owner and stakeholders at ITZBund
- Ongoing coordination with sub-project managers, agile roles, and other project team members
- Responsibility for project controlling, quality management, risk management, and change management
- Responsibility for providing the basic service in on-premises and cloud environments and its ongoing development
- Planning and leading several hypercare phases
- Collaboration and ongoing coordination with a federal ministry partner project and delivery of an MVP
- Coordination with the agile teams
- Coordination with operations, release, and deployment
- Responsibility for delivering initial customer projects
- Responsibility for developing AI governance
- Ensuring accessibility (BITV)
- Responsibility for setting up a sub-project for marketing activities
- Support in setting up an efficient proposal process
- Stakeholder management
Approach:
- V-Modell XT ITZBund
- Scrum
Tools used:
- Microsoft Office, Skype, MS Project, Confluence, Jira, Sharepoint, Miro
Emre S.
Last position:
IT Project Manager | SAP E-Invoicing Outbound at Rohde & Schwarz
Project: Introduction of statutory-compliant electronic invoicing (outbound, Germany) in SAP for an international technology group.
- Project management: Planning, steering and reporting of the E-Invoicing outbound rollout across all affected business areas, including budget and resource coordination.
- UAT: Structured user acceptance test with key users per business area, test cases per invoice scenario, and consolidated test results for decision making.
- Defect management: Handover and tracking of defects in Jira, including validation of the generated invoices against the statutory schemas.
- Cutover, go-live and hypercare: Readiness checks and cutover planning aligned with the statutory deadlines, coordination of go-live and stabilization during hypercare.
- Stakeholder management and reporting: Alignment with Finance, Tax, business departments and IT, preparation of status reports and decision papers, and consistent follow-up of open items.
- Change management and documentation: Communicated process changes to the business departments, enabled key users, and created process and compliance documentation to ensure traceability and audit readiness.
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
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)
Stefan W.
Last position:
Architect/Software Developer at Global Logistics Support GmbH
Tasks
- Further development of a new ERP system with Blazor
- Generation of e-invoices in the XRechnung and Zugferd formats
- 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
Daniel S.
Last position:
Business and IT analysis as well as implementation consulting for an e-invoicing project (eInvoicing) for a state-owned bank
Business and IT analysis as well as implementation consulting for an e-invoicing project (eInvoicing) for a state-owned bank
- Professional management and coordination of the external service provider
- Business support for the introduction and integration of an e-invoicing solution into existing system landscapes
- Design and validation of electronic invoice formats (XRechnung, ZUGFeRD), including business terms and business rules
- Definition and coordination of business validation logic, mandatory fields, and tax requirements
- Analysis and coordination of business edge cases together with business departments and the tax department
- Support with connecting invoice-generating systems as well as with integration and mapping processes
- Translation of business requirements into technical implementation requirements
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
Thomas P.
Last position:
Product Owner & AI Automation Architect (B2B) at Ihre-Hygieneberatung
Development of a digital audit application for inspections in medical facilities. The goal is to connect on-site data collection, voice recording, documentation and downstream processes in one end-to-end, AI-supported workflow.
Design and development of a Flutter audit app with Claude Code for the structured execution and documentation of inspections.
Processing of voice recordings captured in the app through automatic transcription and AI-supported creation of structured inspection reports, followed by an approval process
Connecting various data sources such as email, Odoo 19, attendance records and Google Drive via n8n to automate billing and follow-up processes
Automatic provision of required documents and email delivery through n8n-controlled workflows, including the use of LLMs for text creation
Skills: Flutter, Claude Code, LLM Integration, n8n, Odoo 19, Google Drive, Process Automation
Klaus-Dieter P.
Last position:
IT Architect at REWE digital
- Development and further development of e-invoicing solutions, interfaces for invoice processing, and implementation of regulatory requirements
Technology & methods: XRechnung, ZUGFeRD, EN 16931, XML, API integration, backend development, cloud services, automation, compliance, AI-supported document analysis
Markus K.
Last position:
Founder & Managing Director at Qrafto UG (haftungsbeschränkt)
- Founding and overall responsibility: Built a B2B SaaS platform for craft and construction businesses from the first line of code to the live launch with the first paying customer; solo founding including full establishment of the company and all business processes.
- Product and technology responsibility: Designed and developed the entire product.
- Infrastructure & DevOps: Managed a Kubernetes/Helm environment including CI/CD, monitoring, and security architecture; GDPR-compliant platform decisions and evaluation of EU-hosted LLM providers.
- Agentic coding as a productivity multiplier: Set up a productive multi-agent environment with Claude Code: up to eight parallel agents in isolated Git worktrees, Telegram-based remote control and monitoring, MCP integrations (e.g., Context7, Playwright for E2E tests), and a builder-critic pattern with custom slash commands (/research, /plan) and compressed project contexts. Result: development throughput on par with a small team while working solo.
- Go-to-market: Independently developed positioning, SEO and direct mail playbook, as well as target group analysis.
- Regulation & finance: Implemented e-invoicing requirements (ZUGFeRD/XRechnung), set up accounting and payment infrastructure, and managed funding and financing options.
Sebastian P.
Last position:
Senior Product Owner & Project Manager at NETZSCH Gerätebau GmbH & Co. KG
Acted as product owner for an international customer portal for consolidated analysis of technical device data; defined vision, target state, and implementation strategy.
Established a structured product backlog and introduced clear user stories; shortened development cycles and quintupled project progress within a few months.
Achieved a significant boost in delivery performance by professionalizing requirements management and implementing lean workflows; reduced coordination effort by 25%.
Served as technical single point of contact (SPOC) for the development team; closely orchestrated external stakeholders to optimize alignment between business requirements and technical implementation.
Advanced and sharpened agile methodology to increase team efficiency; implemented KPI-based reporting with early warning indicators for proactive risk management.
Dennis F.
Last position:
Controller/Accountant at Adama Deutschland GmbH
- Execution of accounts receivable, accounts payable, asset, and general ledger accounting
- Preparation of quarterly/annual financial statements under HGB/IFRS16
- Reviewing, classifying, and posting all business transactions
- Payment transactions and treasury planning
- Coordinating tax matters
- Preparing and analyzing statistics and reports
- Preparing analyses, reports, and liquidity forecasts
- Optimizing financial processes
- Contact person for colleagues, tax advisors, and auditors
- Valuation of foreign currencies, special cases in VAT law
- Supporting internal audits
- Evaluating and posting provisions under HGB, IFRS, and tax law
- Preparing and posting IFRS 16 entries
Nikolai R.
Last position:
Principal Engineer (Contract) at Independent Contractor
- Built multi-tenant warehouse management SaaS: 40 API modules, 150+ routes, real-time updates via SignalR
- Technologies: React, TypeScript, Redux Toolkit, RTK Query, Webpack, .NET 8, PostgreSQL, SignalR, Docker, GitHub Actions
- Landing: Next.js 14, Tailwind CSS, 17 localizations, Stripe payments (SEPA + cards)
- Testing: xUnit (150+ files), Jest, Playwright E2E; CI/CD: Docker, GitHub Actions
- Telegram AI agent: daily inventory reports, shipment alerts and warehouse monitoring delivered to mobile
- Background jobs and scheduled tasks for automated reporting, alerts, and data synchronization
- Built German e-invoicing SaaS (XRechnung, ZUGFeRD), GDPR compliant, multi-tenant architecture
- Technologies: React, TypeScript, RTK Query, Python, FastAPI, PostgreSQL, Redis, Celery; Testing: pytest (294 tests), Playwright
- Implemented async task queues (Celery + Redis) and scheduled jobs for invoice processing, email notifications, and DATEV export
- Developed AI-powered content automation platform: analyzes Git commits, generates and publishes posts to LinkedIn and Discord, responds to GitHub Issues automatically
- Cron-based automated publishing pipeline and scheduled content generation and distribution across platforms
- Multi-LLM architecture (OpenAI, Claude, Gemini) with pluggable provider system and RAG-based knowledge assistant integrated across all SaaS products
Sebastian S.
Last position:
Head of Financial Operations Warehouse at PPRO Holding GmbH
- Definition and testing of processing steps in the Financial Data Warehouse
Lievin M.
Last position:
Stream-Lead at Retail
- Greenfield introduction of VIM 23.4 SP2 (OT Private Cloud), 2 countries, approx. 80k invoices/year
- Fiori & eInvoice processing
- OCR Core Capture (Public Cloud)
- 10 key-user trainings
- Throughput time halved
- Automation rate: 60-75%
Discover over 15,000 top freelancers
Statistics of experts using XRechnung
Aggregated from the professional profiles of matched freelancers.
Experience
19 years
Position duration
1.4 years
Positions per freelancer
15
Top business areas
Information Technology, Project Management, Product Development
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Project Management, Information Technology, Product Development
Bachelor's degree or higher
73%
Master's degree or higher
45%
Doctorate
9%
Certifications per freelancer
2
Most common languages
German, English, French
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 XRechnung
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.
XRechnung 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 (80%)
- Manufacturing (73%)
- Banking and Finance (53%)
- Professional Services (53%)
- Media and Entertainment (47%)
- Retail (47%)
- Automotive (40%)
- Healthcare (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What XRechnung is
XRechnung is Germany’s structured electronic invoice standard for public-sector billing. It follows the European EN 16931 semantic model and is delivered as machine-readable XML rather than a simple PDF. The format supports automated processing, validation and reliable transfer of invoice data.
Where it is used
Companies use XRechnung when billing German public authorities and when integrating electronic invoicing into finance operations. Typical work includes:
- Creating invoices that meet XRechnung validation rules
- Mapping ERP and accounting data to required invoice fields
- Connecting billing workflows with procurement portals
- Handling attachments, references and buyer routing details
Ecosystem and tooling
XRechnung work often connects ERP, accounting and document-management systems with invoice validators and transmission services. Relevant tools and skills include XML, Schematron validation, EN 16931, Peppol, Leitweg-ID, UBL and CII. Experts may also work with SAP, Microsoft Dynamics, DATEV or custom finance software.
When companies need specialists
Freelance expertise is useful when an existing billing process must move from PDF invoices to structured electronic documents. It also helps during ERP migrations, public-sector tenders, audit preparation or the rollout of invoice automation in Germany. Remote collaboration usually works well when process owners can provide clear invoice samples, field mappings and access to test environments.
What strong experts deliver
Strong XRechnung professionals understand both the business rules and the technical format. They translate tax, procurement and accounting requirements into dependable workflows, then test edge cases such as credit notes, order references, payment details and attachments. They document mappings clearly and make validation results understandable to finance teams.
XRechnung and alternatives
XRechnung is not a visual invoice template. It is a structured data standard designed for automated exchange, while ZUGFeRD combines readable PDF presentation with embedded structured data. The right choice depends on the recipient, the transaction process and the systems involved. A capable specialist can assess compatibility, configure the workflow and support a controlled rollout.
Frequently asked questions
The facts hiring teams ask for most often when it comes to XRechnung.
XRechnung is used to send structured electronic invoices, especially to public administrations in Germany. It enables receiving systems to validate and process invoice data automatically instead of relying on manual PDF entry.
XRechnung is a purely structured XML invoice based on the EN 16931 model. ZUGFeRD generally combines a readable PDF with embedded XML, so the suitable format depends on the recipient’s requirements and technical capabilities.
A strong XRechnung expert usually understands XML, UBL or CII, Schematron validation and EN 16931 business rules. Experience with ERP, accounting, Peppol, Leitweg-ID and invoice automation is also valuable.
The required depth depends on the scope. A simple field mapping may need a specialist familiar with invoice formats, while an ERP integration or public-sector rollout calls for proven experience with validation, routing, testing and exception handling.
XRechnung projects are often suitable for remote collaboration because mappings, XML samples and validation results can be reviewed online. On-site sessions may still help when finance, procurement and IT teams need to align on existing processes or system access.
Ask for examples of invoice mappings, validation processes and integrations with relevant ERP or accounting systems. A quality specialist explains business rules clearly, tests unusual cases and documents how errors are diagnosed and resolved.
XRechnung is one implementation of the European electronic invoicing model, not a universal replacement for every format. Recipients may also accept formats such as ZUGFeRD, but their stated technical and legal requirements should guide the decision.
A freelancer working with XRechnung should clarify the target recipients, ERP environment, transmission route and required invoice fields before implementation. German-language communication can be useful when the project involves local public authorities, procurement teams or accounting rules.
The average hourly rate of freelancers in Germany who have used XRechnung in their recent projects is 101 €, which corresponds to a daily rate of about 809 € based on an 8-hour working day.
Of the freelancers in Germany who have used XRechnung in their recent projects, 73% hold at least a Bachelor's degree, 45% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Germany who have used XRechnung in their recent projects have 19 years of professional experience, with a single engagement typically lasting around 1.4 years.
The most common languages among freelancers in Germany who have used XRechnung in their recent projects are German (100%), English (100%), and French (13%).
The most common industries among freelancers in Germany who have used XRechnung in their recent projects are Information Technology (80%), Manufacturing (73%), and Banking and Finance (53%).
The most common business areas among freelancers in Germany who have used XRechnung in their recent projects are Information Technology (93%), Project Management (80%), and Product Development (67%).
Main locations of FRATCH Experts, who have recently used XRechnung
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
