XML Experts in Dortmund
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Meet FRATCH Experts in Dortmund, who have recently used XML
Diego Espinoza
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.
Jens Schneeweiß
Last position:
Network Technology at ISP, Internet Service Provider, BGP Peering
- Optimization of the transmission media of the data links in the Ruhr area
- Configuration/expansion of switches and routers for an autonomous system AS
- Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
- Laying cables, crimping, antennas, routers, switches
- Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
- Organization and new connection of another BGP peering, data center, NGN fiber optic
- VPN IPSec site connections for 6 sites with PFSense, Fritzbox
- Configuration of WLAN devices (Mikrotik, UBNT
Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP
Thomas Grevenkamp
Last position:
Senior .NET / Cloud Engineer at Freelance
Building an observability and alerting solution for Business Central Job Queue monitoring
- Built a central monitoring solution to track the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for structured collection and analysis of job runtimes and error events
- Developed KQL queries for targeted analysis of failed jobs and detection of error patterns
- Connected Grafana and Power BI to visualize operational metrics and job status in real time
- Implemented an automated alerting workflow with Power Automate – when a job fails, a notification email is sent immediately
- Ensured transparency about the state of productive background processes during live operations
Result: Full transparency over failed Business Central jobs · Clear reduction in response time through automated email alerting · Stable foundation for proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
Mustafa Köse
Last position:
Consultant (MBR Designer) at Bayer AG
Introduction of an MES system in pharmaceutical production.
Support in replacing existing recipes by introducing an MES system.
Focus on converting cleaning and manufacturing AKBs into MBRs.
System environment: Werum PAS-X MES, GMP, SAP, Microsoft Office (Word, Excel), XML
Yoav Netzer
Last position:
Freelance Software Architect at Freelance Consultant
- Various small consultations, e.g. concepts and arcitectures.
- Updating my Matlab, Linux, IPv6, Cyber-Security, C++ (up to 23) and Python skills.
Manfred Liebetrau
Last position:
Senior Consultant Information Security at Creditplus Bank AG
- Designing the information security process based on ITIL 4
- Designing the ITIL 4 incident and change management processes
- Creating information security policies for the bank
- Support in the project for internal audit findings
- Advising on the setup of the bank's internal control systems (ICS)
- Advising on setting up ICS processes
- Advising and supporting security architecture and risk analysis of the existing IT landscape, including IT security architecture, data management, data compliance & physical security
- Advising and project leadership for the security concept of the bank's assets
- Advising and support in contracts with external service providers to meet the bank's regulatory (BAIT; MaRisk; DORA; NIS2; GDPR) and information security requirements
- Support in planning and implementing a SOC/SIEM and risk management
- Support for the spam email team in analyzing and handling incidents
Ilja Leyberman
Last position:
Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH
- Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
- Development of various interfaces in the used cars area
- Realization of various prototypes
- Support in UI/UX and data analytics
- Development of frontend and backend solutions
- Kubernetes migration
- Building CI/CD pipelines
- Communication with the business unit and technical design of new solutions
- Cross-team alignment and coordination within the team
- Overview of the entire technology stack and related systems
- Documentation, preparation, and conducting of reviews
- Supporting the team and coordinating releases and key milestones
Henning Pankratius
Last position:
Siemens
- Developed a reporting API with RESTful services and Spring Boot
- LDAP integration
- Migrated services to AWS
- Bootstrap
- Frontend development with Angular 14
- JBoss
- DynamoDB
- S3
- Athena
Christian Fox
Last position:
Deutsche Post DHL Group
- Leadership development training
- ITIL
- Prince2
Discover over 15,000 top freelancers
Statistics of experts using XML
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 24 years)
Position duration
1.6 years (Germany: 5.2 years)
Positions per freelancer
20 (Germany: 17)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Healthcare
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
86% (Germany: 88%)
Master's degree or higher
29% (Germany: 54%)
Certifications per freelancer
3
Most common languages
German, English, Spanish
Speak two or more languages
100% (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 Dortmund 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 Dortmund 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 basics
XML stands for Extensible Markup Language. It is used to structure data in a format that systems can read, validate, and exchange. Companies use it for documents, feeds, configuration, and data pipelines where strict structure matters.
Common uses
- Data exchange between internal and external systems
- Configuration files and application metadata
- Publishing, document management, and product catalogs
- Industry formats built on XML, such as SOAP and RSS
XML is still common in enterprise environments, especially where older systems and regulated workflows need stable data contracts.
Schema and validation
Strong XML work is not only about writing tags. It also covers DTD, XSD, namespaces, transformation rules, and validation logic that keep documents consistent. Good specialists know how to make XML reliable across systems, not just readable.
Tools and ecosystem
Typical work touches parsers, transformers, schema validators, and XSLT tools. In integration projects, XML often appears alongside SOAP, XPath, XQuery, REST adapters, and middleware. The best professionals understand how XML fits into the broader application landscape.
When to bring in help
Bring in freelance expertise when XML feeds fail, schemas drift, or an integration must keep working across many partners. This is also useful when a team needs support for migration, document conversion, or cleanup of old XML structures.
In Dortmund, XML work often comes up in manufacturing, logistics, software integration, and enterprise content systems. Remote help works well for most tasks, but on-site sessions can help when many teams share one document model.
What strong specialists do
Strong XML professionals write clean structures, validate data carefully, and spot breaking changes early. They can read legacy formats, improve maintainability, and explain trade-offs clearly to technical and non-technical teams. That matters when XML is part of a larger system, not an isolated file.
Frequently asked questions
Key details about XML, drawn from the questions we get asked most.
XML is used to structure and exchange data in a way that many systems can understand. It shows up in document formats, configuration files, product catalogs, publishing pipelines, and integration messages. Companies choose it when they need clear structure, validation, and compatibility with older or partner systems.
XML is usually chosen when strict document structure, namespaces, or schema validation matter more than compact syntax. JSON is often lighter for modern web APIs, but XML still fits well in enterprise integration, SOAP-based services, and content-heavy formats. The right choice depends on the system contract and the tools around it.
A strong XML specialist usually knows XPath, XSLT, XSD, and parsing tools. Experience with SOAP, REST integration, document workflows, and data transformation is often important too. In many projects, the real value is not just editing files, but making the data flow stable end to end.
Simple file fixes need less depth than schema design or enterprise integration. A XML freelancer should be able to read existing structures, trace validation errors, and understand how the format is consumed by other systems. If the project involves legacy data, partner feeds, or migration work, deeper experience matters.
Bring in XML expertise when internal teams are blocked by validation errors, broken feeds, or unclear legacy formats. It also helps during migrations, content model redesigns, and interface cleanups. Freelance support is a good fit when the work is focused and the in-house team does not need a long-term specialist.
Yes, most XML work can be handled remotely because it usually centers on files, schemas, transformations, and integration logic. In Dortmund, on-site time can still help for workshops, stakeholder alignment, or shared document modeling. Many teams use a mix of remote work and a few in-person sessions.
Look for clear schema thinking, careful validation habits, and the ability to explain why a structure is built a certain way. A good XML specialist should also be comfortable with namespaces, transformation rules, and legacy formats. Past work on document exchange, integration, or publishing is a strong sign.
Yes, XML is still relevant wherever structured documents and long-lived integration contracts matter. It remains common in enterprise software, publishing, and partner data exchange, especially where existing systems already depend on it. A good specialist knows when to keep XML, when to clean it up, and when to bridge it with newer formats.
The average hourly rate of freelancers in Dortmund, Germany who have used XML in their recent projects is 88 €, which corresponds to a daily rate of about 707 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used XML in their recent projects, 86% hold at least a Bachelor's degree and 29% hold at least a Master's degree.
On average, freelancers in Dortmund, Germany who have used XML in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Dortmund, Germany who have used XML in their recent projects are German (100%), English (100%), and Spanish (22%).
The most common industries among freelancers in Dortmund, Germany who have used XML in their recent projects are Information Technology (89%), Banking and Finance (56%), and Healthcare (44%).
The most common business areas among freelancers in Dortmund, Germany who have used XML in their recent projects are Information Technology (100%), Product Development (78%), and Project Management (67%).
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.
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Hamburg 
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Frankfurt 
Stuttgart 
Dusseldorf 
Leipzig 
Essen 
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Philipp Thomaschewski
FRATCH CEO
