XML Experts in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used XML
Peter Schordie
Last position:
SAP FI/CO/PSM consulting at Federal agency
- SAP ERP/ECC, SAP S/4 HANA
- Analysis and documentation of customizing for SAP FI/CO, PSM, PSCD
- Analysis, consulting, and documentation of S/4 HANA apps for defining and executing statutory reports
- Clarification of prerequisites for using the S/4 HANA apps to define and execute statutory reports
- Analysis and documentation of customizing for in-house developments
- Consulting on integration of SAP FI/CO as well as PSM, PSM-FM (budget management), contract accounts receivable and payable (PSCD)
- Consulting and documentation of customizing adjustments in SAP FI/CO, PSM, PSM-FM, PSCD for the introduction of new company codes and other organizational structures
- Consulting and documentation of necessary process adjustments
Thorsten Lenzen
Last position:
Senior Security Analyst
- Analysis and remediation of security vulnerabilities in a risk assessment system for energy trading
- System analysis
- Threat modeling
- Decision-making on vulnerability mitigation strategies
- Implementation of vulnerability detection mechanisms
- Security scans
- DevSecOps practices
- Technical environment: Visual Studio Code, JetBrains Suite, MS Threat Modeling Tool, DevSecOps, Git, AWS, DynamoDB, SQL Server, Endur, Snowflake, Orca
- Languages: C#, JavaScript, TypeScript, Python, PowerShell, Bash, Terraform, SQL
Orhan Yazar
Last position:
SAP Senior Consultant OTC/MM/WM/LE/CS/PS/GTS, C4C-Cloud (Sales, Services, E-Commerce) at High-Technologie
- Support and consulting for the integration of SAP ECC into an SAP S/4HANA system, retirement of legacy systems, implementation, and process optimization in the new harmonized system
- Project implementation of S/4HANA Cloud Private & Public Sales & Services with SAP SCM/OTC/MM/LE/CS/PS, S/4HANA Cloud, CPI, BTP, EDI, IDOC, ABAP, User-Exit, SolMan, ITIL, SAP Cloud AL
- Customizing and optimization in OTC and MM, including condition maintenance, document type and item category extensions, integration with FI/CO, scheduling agreement configuration, material master and purchasing info record maintenance, release procedures, message control, and master data quality
- Ensuring integration of PTP with FI/CO, SD, and WM, process analysis, and efficiency improvement for the S/4HANA environment
- Process modeling in Signavio, workshops, and trainings
- 2nd & 3rd level support in OTC, MM, CS, PS, C4C Sales & Services, GTS, and MDG: incident and change tickets, feasibility analyses, service management, embedded analytics, customizing, tests, documentation, training, debugging, IDOC/EDI monitoring
- SAP S/4HANA migration: data migration, system harmonization, global rollouts, and template development
- ABAP development and optimization: reports, dialog programs, user exits, IDOC/EDI monitoring
Stanislaus Stelle
Last position:
Security Consultant at Rohde & Schwarz AG at Star Labs GmbH
- Worked on FPGA enhanced network encryption device with secure boot, TPM2.0 and smart card integration for BSI approved usage with Post Quantum Cryptography
- Developed and audited Linux drivers
- Collaborated using GitLab, Gerrit, Confluence and Jira
- Technologies: C, C++, Secure Boot
Alexander Rautzenberg
Last position:
Business Analyst at Financial Services Provider Landesbank
The Helaba ATLAS project aims to modernize core systems and make them future-proof. As part of the subproject, the existing legacy system for international payments is being replaced by a modern web-based application.
- Analysis of functional and technical requirements
- Analysis and optimization of business processes
- Process modeling
- Preparation and facilitation of workshops
- Defining project scope and prioritizing requirements
- Business process management (analysis, modeling, and optimization)
- Specification of user stories
- Designing business and authorization concepts
- Testing and acceptance
- Designing mockups in Figma
- Creating the UI/UX style guide for web applications Approach: Scrum (agile) Technologies: Jira, Confluence, MS Teams, Conceptboard, Java, Vaadin, Figma
Hans-Dieter Große-Kreul
Last position:
Training as an AI Expert
I continuously expand my expertise in AI and automation, working with ChatGPT, OpenAI, Manus, Gemini, MS CoPilot, API, LangChain, Hugging Face, Manus, TensorFlow and Auto-GPT as well as Python-based ML frameworks and MLOps tools to intelligently transform classic software development, analysis, and testing processes.
Thorsten Otremba
Last position:
Workstream Lead (WS) at Bank-Verlag GmbH
- Introduction of giro card with Visa Debit card payment function (Combocard) for Commerzbank
- Support for the Card Processing Team (card processing; Clearing & Settlement incl. Dispute Management teams) in project work
- Creation of requirements for the Clearing & Settlement team, Authorization team (AZ) and Card Production team (KP) as part of a requirements catalog
- Requirements engineering (requirements management) with business contact person
- Participation in workstream meetings between VISA Inc., SRC Security Research & Consulting GmbH, Commerzbank AG and consulting firms (PwC and Senacor Technologies AG)
- Sprint planning with Jira tickets of type Task and use of Confluence
- Creation and presentation of weekly status reports for the Clearing & Settlement, Dispute Management and Reporting & GUI workstreams
- Coordination with network and file transfer teams for connection tests of new interfaces, e.g. setup of host keys, use of VPN or sipnet connections
- Coordination of the delivery of test files, e.g. exchange rates (FX rates; TC 56 of VISA rates), VISA Debit and Credit transactions (format Base II) and EANSS/ISS Base II clearing files to the Debit Clearing System (DCS)
- Conducting coordination meetings on the use of Visanet Settlement Service (VSS) and PSD2 reports and payment traffic statistics (ZVS)
- Organizing workshops with FiServ (First Data) on Dispute Management and complaint handling
- Setup and maintenance of Open Point List (OPL) in Confluence
- Technologies/methods: Jira, Confluence, giro card, VISA Debit card, payments, Kanban board, BIN, routing, CIQ, VPAY, ScalaTest, Dispute Management
Alois Gruber
Last position:
Bank DZ Privatbank S.A.
- Various programming tasks as specified
- Work carried out from home office, meetings/tasks via email, phone and Microsoft Teams
- Version control via GIT
- Implementation with RDI, FreeSQL SQL
- Extension of automatic test environment creation as specified - adding automatic transfer of existing iSeries users and preparation as well as anonymization of test data
- Creation of trigger and service programs in SQLRPGLE, FreeRPG, ILE RPG and CLLE
- Development and implementation of the CallKredite project including additional extensions for other departments
- Conversion of RPG to Free-RPG and SQL as well as extension of existing modules as specified
- Migration to a new banking release
- Support for specialist segment / OIV
Jürgen Schoemaker
Last position:
IT Consultant / Analyst / Developer / Tester / Support at Automotive Manufacturer
- Analysis, software development/customization, and testing of various transaction and batch objects
- Conducting functional integration and regression tests on TEST and QA platforms under z/OS for later production implementation
- Hardware / Software / Tools: IBM MVS, z/OS, JES2/3, TSO-ISPF, JCL, DB2, SQL, SQL/PL, QMF, QMF for Workstations, SPUFI, FileAid, IMS-DB/DC, MFS, XPEDITER, COBOL, REXX, Windows 10, MS Office 365, MS Teams, batch job management via OPC, BETA92, RVS, BVB, ABL, DIALOGplus, PROBA, PRODPR (VW internal systems), JIRA, CONFLUENCE
Daniel Pohl
Last position:
Freelancer in industrial automation engineering at dPSolutions
- Independent work as a PLC and software specialist focusing on automation and custom machinery
- Programming, modernization, expansion and optimization of production plants with focus on efficiency improvements, data transparency and system integration
- PLC programming and safety with Siemens S7 Classic/TIA-Portal, Beckhoff TwinCAT 2/3 and CoDeSys
- Development of high-level language software and database applications (.NET / C#, C++, Visual Basic .NET, Borland/Embarcadero C++)
- Development of custom software solutions for industrial automation, including embedded systems (Raspberry Pi, Arduino, NodeMCU, ESP8266)
- System integration of external systems such as readers, printers, scales, scanners and cameras, as well as various fieldbus systems (Ethernet, Profinet, Profibus, EtherCAT, CAN bus, RS232, TCP/IP)
- Creation of visualizations and HMI applications with Siemens WinCC flexible, Beckhoff HMI and .NET front-ends
- Design, development and integration of machine vision solutions (Keyence, Cognex, AVS Alfavision, camera systems) in PLC and PC environments
- Design and implementation of process data acquisition systems and traceability solutions (100% traceability) based on Microsoft SQL Server (Compact, Express, Server) including stored procedures and direct PLC-SQL communication
- Creation of software and PLC concepts, standard function blocks and project libraries for PLC and high-level language projects
- Design and programming of conveyor, testing, assembly, packaging and grinding systems in industries such as automotive, chemical, food, electronics and machinery and plant engineering
- Conducting workshops and training on Siemens TIA-Portal, STEP7 Classic, Beckhoff TwinCAT (including TwinSAFE) as well as topics like architectures, safety, database integration and documentation
- Creation of technical documentation, manuals, training materials and class documentation with Microsoft Office and Doxygen
- Project management tasks from requirement analysis through planning, concept development and supplier coordination to commissioning, production support and maintenance
Esmail Saberi
Last position:
Senior Load and Performance Tester at Deutsche Bahn (DB-Netz)
- Design, development, and execution of load and performance tests for the PRISMA project
- Use of Apache Jmeter, Gatling, Apache ActiveMQ, Jms/Tibco Ems, SikuliX, Jython, Amazon AWS, PAN-Client
- Methods: load tests, test automation
Sebastian Chece
Last position:
Public institution responsible for educational institutions in NRW
- Consulting on processes and execution of load tests, performance tests and technical tests of various applications: web portal, file cloud, email, video conferencing, learning/course platform
- Creating the load test framework
- Programming test scripts (JMeter, Selenium)
- Developing batches to support the evaluation
- Executing load tests and evaluating results, including clear reporting, recommendations for action, and bottleneck analysis
- Managing tasks and collaboration to achieve meaningful load test results
Anouar Taoussi
Last position:
Fullstack Developer Java/Spring Boot at Snipes SE (Deichmann Group)
- Migration of a .NET Core loyalty program for Snipes, used by mobile cash registers in Snipes stores
- Part of the customer’s digitalization strategy in an agile, cross-functional team with a high level of ownership
- Connecting interfaces to third-party systems (e.g. Brandung, CDS)
- Quality assurance through automated tests
- Carrying out developer, unit, and integration tests
- Patterns & methods used: Clean Code, microservice architecture, agile development with SCRUM
- Technologies & tools used: Spring Boot, Java 23, Java Persistence API (JPA), Azure DevOps, Azure Key Vault, Azure PostgreSQL, Docker & Kubernetes, Git, Graylog, Grafana, JUnit, SonarQube, Jira, Confluence, Prometheus, GitLab, GitLab CI/CD, Visual Studio Code
Younes Hadrous
Last position:
Senior Backend Developer at PTA
- Development and maintenance of database-driven applications for managing supplier and food contracts, using Oracle PL/SQL extensively for complex business logic and data processing
- Optimization of PL/SQL procedures, functions, and triggers to ensure the performance and scalability of Oracle database solutions
- Ensuring adherence to best practices in PL/SQL development and implementing standards for code quality and data integrity
- Close collaboration with backend and frontend teams to ensure seamless integration between the Oracle database, C#-based APIs, and Azure cloud services
Jürgen Von Agris
Last position:
Instructor / Trainer at SAP Training Company
- Instructor / Trainer
- SAP applications in SAP S/4 HANA - Sales, Sourcing Procurement, Logistic Execution, SAP Foundation
- SAP S/4 HANA - Fiori UX and Fiori Launchpad
- Cross-module MM application - Sourcing & Procurement
- Business processes SAP S/4 HANA Procurement
- Purchasing processes SAP S/4 HANA MM
- Incoming processes SAP S/4 HANA MM
- Supplier invoicing SAP S/4 HANA MM
- Pricing & plant determination SAP S/4 HANA MM
- Automation in SAP S/4 HANA MM
- Business processes SAP S/4 HANA Pre & After Sales
- Sales processes SAP S/4 HANA Sales
- Delivery processes SAP S/4 HANA Sales
- Billing SAP S/4 HANA Sales
- Pricing SAP S/4 HANA Sales and Storage Rooms and Lean-EWM
- Automation in SAP S/4 HANA Sales
- SAP S/4 HANA – SAP Private Cloud – Release 2023
Discover over 15,000 top freelancers
Statistics of experts using XML
Aggregated from the professional profiles of matched freelancers.
Experience
27 years (Germany: 24 years)
Position duration
1.8 years (Germany: 5.2 years)
Positions per freelancer
20 (Germany: 17)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
73% (Germany: 88%)
Master's degree or higher
45% (Germany: 54%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, Arabic
Speak two or more languages
94% (Germany: 97%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Dusseldorf 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 Dusseldorf using XML
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
XML in practice
XML is a structured format for moving and storing data between systems. Companies use it for configuration files, document exchange, product feeds, and integration layers where strict structure matters. In Dusseldorf, it often shows up in enterprise, logistics, media, and industrial environments.
Common deliverables
- XML schemas and validation rules
- XSLT transformations for publishing or migration
- SOAP and web service payloads
- import and export mappings for business systems
- feed formats for catalog, content, or partner data
Tools and related skills
Strong XML specialists work comfortably with XPath, XSLT, XSD, namespaces, and validation tooling. They also understand parsing, encoding, and how XML fits with JSON, REST, and older SOAP services. Good work here is precise: one small structural mistake can break an entire integration.
When to bring in help
Companies bring in freelance XML experts when integrations fail, schemas grow messy, or transformation logic needs to be rebuilt. They are useful for migrations from legacy systems, partner data exchanges, and document-heavy workflows. If your teams in Dusseldorf need temporary support, remote collaboration usually works well, especially when the structure and test cases are clear.
What strong experts do
A strong professional does more than edit tags. They read schemas carefully, spot namespace issues, design maintainable transformations, and document edge cases so the next change is safer. They also test against real payloads, because XML work often fails in places that basic checks miss.
Good fits for the work
XML is a practical choice when data must stay readable, validated, and compatible with established systems. It is still common in enterprise integrations, publishing pipelines, and regulated data exchange. For companies in Dusseldorf, the best specialists combine XML discipline with clear communication and careful testing.
Frequently asked questions
Before you brief your next project: the most common questions about XML.
XML is used to structure data for systems that need strict validation and predictable formatting. Teams rely on it for configuration files, document exchange, catalog feeds, and system-to-system integration. It is especially useful when a partner or legacy platform expects a defined schema.
XML is stronger when structure, validation, and mixed content matter. JSON is usually simpler for lightweight APIs, but XML remains common in enterprise integrations, SOAP services, and publishing workflows. If your project depends on XSD, XPath, or XSLT, XML is often the better fit.
A strong XML specialist usually knows XPath, XSLT, XSD, namespaces, and parsing tools. Practical experience with SOAP, REST, and data migration is also valuable. If the work touches publishing or content systems, content modeling and transformation logic matter too.
The amount depends on the shape of the data and how many systems must agree on it. Simple file handling may need only a focused specialist, while schema design, transformation chains, and legacy migrations need deeper experience. For critical integrations, ask for examples of validation and transformation work.
In most cases, yes. XML work is usually document-based, so remote collaboration works well when teams share sample files, schemas, and clear test cases. On-site time can still help during workshops with local stakeholders or when a legacy system is hard to access.
Look for clean schema design, correct namespace handling, and transformations that are easy to maintain. A strong XML professional explains edge cases, writes tests against real payloads, and avoids brittle shortcuts. Good documentation is a strong sign that future changes will be manageable.
Choose XML when validation, document structure, or compatibility with existing enterprise systems is the priority. It is still the right choice for many integrations, especially where SOAP, XSD, or XSLT are already part of the stack. Newer formats can be lighter, but they do not always replace XML cleanly.
Prepare sample files, schema rules, transformation goals, and a list of systems that consume or produce the data. A strong XML specialist can move faster when the expected structure, validation rules, and failure cases are clear. If you are in Dusseldorf, also note whether collaboration needs to be remote or partly on-site.
The average hourly rate of freelancers in Dusseldorf, Germany who have used XML in their recent projects is 105 €, which corresponds to a daily rate of about 842 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used XML in their recent projects, 73% hold at least a Bachelor's degree and 45% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used XML in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Dusseldorf, Germany who have used XML in their recent projects are German (100%), English (94%), and Arabic (11%).
The most common industries among freelancers in Dusseldorf, Germany who have used XML in their recent projects are Information Technology (94%), Banking and Finance (67%), and Retail (67%).
The most common business areas among freelancers in Dusseldorf, Germany who have used XML in their recent projects are Information Technology (100%), Product Development (83%), and Quality Assurance (83%).
Main locations of FRATCH Experts, who have recently used XML
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 
Leipzig 
Dortmund 
Essen 
Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
