XML Experts in Leipzig
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Meet FRATCH Experts in Leipzig, who have recently used XML
Gwen G.
Last position:
Senior Ruby on Rails & DevOps Developer at Sapiens
Further development of a software solution for managing audit applications and audit notifications according to §106d SGB V for the Association of Statutory Health Insurance Physicians in Hamburg.
- Developed numerous features, optimised performance, refactored code and analysed errors
- Refactored the development container setup
- Optimised the Gitlab-CI build pipeline
- Introduced improvements to the team workflow
Michael L.
Last position:
Development of B2B shop for curtain fabrics
- Development of a B2B shop based on Magento 2
- Plugin research and implementation, e.g. individual prices per customer
- Implementation of custom adjustments
- Quality assurance
- Release management
- Collaboration with the marketing team
- Technologies: Magento 2, CSS, Javascript, PHP, Docker, Git
Knud W.
Last position:
Lead Programmer, Architect and Deputy Product Owner at Bundesagentur für Arbeit
- Lead programmer, architect and deputy product owner
- Completed transition from zPDV to STEP
- Ensured quality of C++ and Perl sources through automated and manual checks
- Supported resolution of incidents and errors in testing
- Implemented batch for supplementary assignment of payment run numbers
- Implemented batch for distribution of SGB 2 information to the central payment unit
- Supported replacement of Solaris with Linux
- Upgraded gcc from 7.4 to 9.3
- Programmatically generated Makefiles from Borland projects for builds
- Extended funding data with new attribute “Kennzeichen Fahrtkosten Praktikum”
- Programmatically generated XSD and WSDL files from IDL definitions
- Represented the product owner when needed
- Implemented batch for one-time payment processing
- Developed generator for Liquibase files
- Implemented and maintained regular anonymization of production data
- Supported migration from SLES 12 to SLES 15
- Supported introduction of mutual TLS
- Implemented batch for sending deletion impulses to EDA BE
- Organized script directory structure
- Investigated potential introduction of String-Latin and implemented minimal solution
- Remediated security findings identified by CheckMarx
- Supported PAP recalculations and general change notices
- Converted ERP interfaces from SOAP to REST
- Planned technical and business topics such as register modernization, cash register security, training costs, four-eyes principle
Sebastian P.
Last position:
Freelance Technical Writer and CE Coordinator at Freelance
- Full-cycle documentation creation, maintenance and submission: from kickoff, content research, document creation and translation management to final delivery
- Conduct project-related research on documentation-relevant standards, guidelines and regulations to ensure legal security and valid results
- Create documents such as operating, assembly and software manuals, as well as online help and infographics
- Develop risk assessments based on Annex I of the Machinery Directive and compile requirements from relevant standards, directives and laws
- Prepare all necessary CE documents: risk assessment, nameplate and declaration of conformity
- Work closely with all departments involved to ensure CE compliance
Jens F.
Last position:
Strategic Business Consultant at EURO Kartensysteme
- Analysis, redesign and functional specification for a software system to record, process and reimburse all claims in the girocard scheme
- Analysis, conception and execution for a bidding for the introduction and implementation of Identity & Access Management, Masterdata Management and Document Management Systems
- Project management for the software development project for the EKS-Net platform for the recording, processing and reimbursement of all claims in the girocard scheme
- Project management for the introduction of Identity and Access Management System, Master Data Management System and Document Management System
- Strategy consulting for digitalization of business processes
- Advice on payment transactions, compliance (PEP and sanction list checks) and risk analysis
- Design of data models and APIs
Sandra S.
Last position:
Content Designer for GWBT professions at Volkswagen Sachsen GmbH
- Didactical preparation and creation of illustrations, graphics and animations
- Web export and CMS maintenance
- Content planning and creation
- Quality management
Tom C.
Last position:
Web Developer at Puder + Consortio; Feldenkrais Verena Tintelnot; Maxim Gorki Theater; Grunwald & Grundwald Architektur und Städtebau; Wanderkino
- Implementation and updates of various websites for:
- Puder + Consortio
- Feldenkrais Verena Tintelnot
- "Mely Kiyak hat Kunst" at the Maxim Gorki Theater
- Grunwald & Grundwald Architektur und Städtebau
- Wanderkino
Discover over 15,000 top freelancers
Statistics of experts using XML
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 23 years)
Position duration
2.1 years (Germany: 5.2 years)
Positions per freelancer
13 (Germany: 16)
Top business areas
Product Development, Information Technology, Project Management
Top industries
Information Technology, Manufacturing, Healthcare
Certification focus areas
Information Technology, Product Development, Audit
Bachelor's degree or higher
100% (Germany: 88%)
Master's degree or higher
60% (Germany: 55%)
Certifications per freelancer
1 (Germany: 3)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 97%)
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 Leipzig 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 Leipzig 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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
XML 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 (71%)
- Manufacturing (57%)
- Healthcare (43%)
- Media and Entertainment (43%)
- Tourism (43%)
- Arts and Crafts (29%)
- Automotive (29%)
- Education (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
XML foundations
XML, or Extensible Markup Language, stores and exchanges structured information in a format that both people and software can read. It separates data from presentation and uses elements, attributes and namespaces to describe meaning. Companies rely on it when documents must remain portable, traceable and valid across different systems.
Schemas and validation
XML specialists define clear structures with Document Type Definitions, XML Schema Definition and Schematron rules. They validate required fields, data types, namespaces and business constraints before information reaches another system. Good schema design reduces ambiguity and makes long-lived interfaces easier to maintain.
- Model reusable XML elements and namespaces
- Create XSD, DTD and Schematron validation rules
- Diagnose malformed documents and mapping errors
- Document contracts for internal and external partners
Transformations and tooling
The XML ecosystem includes XPath for selecting data, XSLT for transforming documents and XQuery for querying XML collections. Experts also work with parsers, serializers, editors and command-line validation tools. They choose secure processing settings and test transformations against realistic document variations.
Enterprise integration
XML remains central to SOAP services, publishing workflows, configuration files and industry data exchanges. It appears in systems for finance, logistics, manufacturing, healthcare and public administration, including standards such as UBL, XBRL and industry-specific vocabularies. In Leipzig, specialists may support local teams through on-site collaboration, remote delivery or a mix of both.
When to hire a specialist
Bring in freelance XML expertise when a migration, integration or document program needs focused knowledge without a permanent addition to the team. Leipzig companies often seek support when legacy interfaces must connect with newer APIs, partner formats need mapping, or recurring validation failures delay operations.
- Replace fragile manual document mappings
- Migrate schemas and transformations safely
- Connect XML services with Java, .NET or API layers
- Prepare technical documentation for partner teams
Quality signals
Strong XML professionals ask for sample documents, schemas, interface contracts and failure cases before changing a mapping. They use namespace-aware tests, secure parsers and version-controlled transformations, then explain trade-offs in clear language. Look for experience with the relevant industry vocabulary, integration stack and collaboration style, including German or English communication where the Leipzig team requires it.
Frequently asked questions
Everything clients usually want to know about XML, in one place.
XML is used to represent structured data in documents, configuration files and system-to-system exchanges. Companies commonly use it for SOAP services, publishing pipelines, regulated records and industry formats that require explicit validation.
XML offers namespaces, attributes, mixed content and mature validation with XSD or Schematron. JSON is often simpler for lightweight web APIs, while XML can be a better fit for complex documents, strict contracts and established enterprise integrations.
A strong XML specialist may also work with XPath, XSLT, XQuery, SOAP, REST and schema design. Knowledge of Java or .NET, databases, message queues and security controls is useful when XML forms part of a wider integration landscape.
The right XML experience depends on the work, not on a fixed duration. A simple transformation needs different depth from a regulated data exchange, a schema migration or a legacy SOAP integration with many external partners.
Yes, XML work is often suitable for remote collaboration when repositories, sample documents and test environments are accessible. On-site sessions in Leipzig can still help with workshops, partner mapping and decisions involving several business teams.
Ask how the XML specialist handles namespaces, validation errors, malformed input and backward compatibility. Request a walkthrough of a comparable transformation or schema decision, and check whether the person documents assumptions and tests edge cases.
XML remains important in enterprise software, publishing, regulated data exchange and long-running partner interfaces. New services may use JSON, but replacing XML is not always practical when contracts, tooling and industry standards already depend on it.
An XML freelancer works best with representative documents, current schemas, transformation rules and clear acceptance examples. Access to logs, interface documentation and a technical contact helps reveal whether an issue comes from validation, mapping, encoding or the surrounding system.
The average hourly rate of freelancers in Leipzig, Germany who have used XML in their recent projects is 103 €, which corresponds to a daily rate of about 821 € based on an 8-hour working day.
Of the freelancers in Leipzig, Germany who have used XML in their recent projects, 100% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Leipzig, Germany who have used XML in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Leipzig, Germany who have used XML in their recent projects are German (100%), English (100%), and Spanish (29%).
The most common industries among freelancers in Leipzig, Germany who have used XML in their recent projects are Information Technology (71%), Manufacturing (57%), and Healthcare (43%).
The most common business areas among freelancers in Leipzig, Germany who have used XML in their recent projects are Product Development (100%), Information Technology (86%), and Project Management (71%).
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 
Dusseldorf 
Dortmund 
Essen 
Bremen 
Hanover 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
