XML Experts in Vienna
for reliable data exchange, matched in minutes with AIHire experts who design XML schemas, transform structured data with XSLT and integrate SOAP or REST services. FRATCH connects you with vetted, available freelancers whose experience matches your project precisely and quickly.
Meet FRATCH Experts in Vienna, who have recently used XML
Alexander P.
Last position:
Owner & Lecturer at Own company for AI governance and data products, Vienna
- Consulting and interim management at the interface between IT operations and regulation
- Impact analysis and implementation planning for NISG 2026 and the EU AI Act, including risk management and reporting and evidence processes
- Training for governing bodies and employees on regulatory obligations
- Lectures in Data & Information Management and Human-Machine Interaction at University of Applied Sciences Burgenland, since 2023
- Supervision of master’s theses and participation in the examination board
- Presentations for business and educational institutions
- Design and development of data and AI products, platforms and pipelines
- Privacy-first architectures and zero-knowledge encryption, cloud-native on EU infrastructure
- MLOps and AIOps in live operations
- Own applications under own brand: shared codebase, separate delivery for each target device
- AI-assisted software development (vibe coding), complete agentic pipelines, code generation, implementation, automated testing, CI/CD and release cycles
- Publications on the EU AI Act, NIS2, DORA, CRA and CER as an integrated governance system
- Publications on data sovereignty, cloud economics and industrial image processing
- AI governance / compliance: data quality, Responsible AI, EU AI Act readiness, risk classification, AI ethics
Thomas P.
Last position:
Change Manager / Sales Transformation at SEFE
- Organizational Change Management as part of a group-wide, supranational sales transformation, serving as the core of a broad restructuring of business-critical areas, with end-to-end control of the change process and long-term embedding and securing the future readiness of sales.
- Initiation and end-to-end steering of the sales transformation program, including in-depth analysis to identify, assess, and strategically involve all relevant stakeholders, making tactical use of their specific business interests and influence.
- Conducting advanced, detailed change impact analyses to predict the organizational effects of the transformation, deriving a tailored change strategy, and developing a change roadmap and a change story as the core narrative of the campaign.
- Designing and implementing an integrated communication and action plan to ensure maximum transparency, effectively manage unspoken expectations, and actively guide a change process that is clear and understandable for all stakeholders.
- Active management of all transformation phases, including the setup of robust monitoring mechanisms for continuous progress analysis and forecasting based on recommended and jointly defined KPIs.
- Establishing an agile analysis and adjustment cycle to continuously assess the effectiveness of implemented measures, identify challenges early, and fine-tune the change strategy in time.
- Conducting precise gap analyses to identify skill gaps in the sales team in the context of the new strategic direction, and deriving and developing targeted qualification measures (e.g. coaching, training).
- Comprehensive reduction of resistance to change by turning opposing stakeholder mindsets into proactive change-driving change ambassadors.
- Deep and sustainable realignment of sales structures and processes in full alignment with the company’s overall goals.
- Qualitative and quantitative improvement of sales efficiency and performance as a direct result of the implemented transformation initiatives and capability-building programs.
Michael L.
Last position:
IAM Developer & IT Architect at Internationale Bank
Design and implementation of new functionalities in the areas of Lifecycle Management (LCM), Role Management (RLM) and Access Governance
Adjustment of the company-wide Segregation of Duties (SoD) matrix to ensure regulatory and internal compliance requirements
Further development and configuration of recertification processes
Creation and adaptation of custom workflows, rules and tasks in SailPoint IdentityIQ (BeanShell, XML, Java)
Use of static code analysis with SonarQube to ensure code quality and compliance with defined development standards
Regular code reviews within the development team to ensure quality, share knowledge and follow clean code principles
Work in an agile Scrum team with daily communication, sprint planning and reviews
Coordination with testers, test managers and business departments to ensure quality and smooth production rollout
Active involvement in release planning and deployment coordination, including test preparation, cutover activities and rollback strategies
Analysis and sustainable resolution of issues in the IAM production environment (2nd- and 3rd-level support)
Reproduction of complex errors, identification of root causes and implementation of lasting fixes
Creation of technical analyses and recommendations for operations and further development
Damir D.
Last position:
Senior IT Consultant at Dudakovic e.U.
- Consulting in national and international projects in various roles and sectors (banking and finance, public sector, telecommunications, data management, software development)
- Engaging in project management, requirements management, business analysis, process management, IT consulting and coaching
- Delivering sustainable value quickly and efficiently due to high complexity and diversity of projects and expertise
- Emphasizing collegiality and integrity and fostering a positive team atmosphere
Üsame T.
Last position:
Java Backend Developer at Porsche Informatik
- Java EE 8 development
- Java 21 and Spring Boot 3 microservices development
- Release management
- Onboarding of new team members
- Owner of an team-internal "Best Code Engineering Award"
Michael G.
Last position:
Scrummaster at Xenovo
Planning and monitoring sprints and holding the scheduled meetings
Analyzing and resolving issues in the development process
Error analysis, bug management and correction in individual process steps
Stakeholder management
Documentation and improvement of the development process
Tools: JIRA, Confluence
Jürgen E.
Last position:
Chief Executive Officer at Riddle&Code GmbH
- Pivoted the company into data-driven and AI-powered energy optimization solutions for microgrids, energy communities, and grid operators.
Vladislav F.
Last position:
Senior Test Automation Engineer / Test Manager at Stadt Wien – WUKSEA
- Creating test scenarios, manual test cases and test data using boundary value analysis and equivalence classes
- Executing functional and non-functional tests (manually with Postman and web application, automated with WebDriver, JUnit and NUnit)
- Setting up, automating and maintaining the test automation framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web front-end and SOAP API backend interfaces)
- Automating backend NUnit test cases in Visual Studio
- Test management: developing and implementing test strategy and test plans, controlling tests, quality ownership and prioritizing risk-based tests, as well as maintaining documentation in Confluence
- Detailed analysis and quality assurance of requirements
- Creating and maintaining Jenkins pipelines, ensuring quality in build & deployment
- Close collaboration with business analysts, developers, testers and test management
- Identifying, creating and tracking defects/bugs, with thorough test documentation
- Reporting test results and defect reports
- Monitoring test processes and continuous improvements
- Reviewing test data and test results in PostgreSQL database via pgAdmin
- Supporting effort estimation and backlog prioritization
- Analyzing and debugging development code System environment: Java, JUnit, Spring Boot, Selenium, Cucumber, JavaScript, Jenkins, C#, NUnit, Postman, Bitbucket, Confluence, Jira, xRay, pgAdmin, PostgreSQL, SonarQube, Maven, IntelliJ, Visual Studio, CI/CD, SOAP API interfaces
Babak H.
Last position:
IT Project & Product Manager at Wiener Stadt Werke - Wiener Linien
Development and expansion of the drivers' app system, including the mobile app (frontend), system infrastructure (backend), and required interfaces to the various Wiener Linien core systems.
Aaron H.
Last position:
Career Break
- Big move, focus on DIY hobbies, small personal software projects.
Monji M.
Last position:
Senior Software Developer at AMA Wien
IT concept
Implementation
Estimation
Design
Installation
Oracle APEX applications for farmers in Austria to register their products and get subsidies.
Implement new applications or adapt existing applications according to customer requirements (CR)
Fix bugs
Update data in the database
Install applications
Technologies/methods used: Oracle DB, PL/SQL, DM, Oracle Apex, JavaScript, CSS, OpenLayers, GIT
Cédric M.
Last position:
Senior Tester at Public Sector
- Analysis, design and implementation of acceptance tests
- Test execution and reporting
- Defect reporting and retesting
- Tools: Xray, Jira, Confluence, OpenText Content Server, Scrum
Gasper Z.
Last position:
Senior BI Consultant at PMONE GmbH
Arnim S.
Last position:
Co-Founder & Managing Director at Offer-Ready GmbH
- Sales & Investor Relations
- Contact Workflow and Document Automation
- XML, Content Transformation
Discover over 15,000 top freelancers
Statistics of experts using XML
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
3.3 years
Positions per freelancer
10
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Project Management, Human Resources, Information Technology
Bachelor's degree or higher
92%
Master's degree or higher
67%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100%
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 Vienna 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 Vienna 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 19 Sep 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 (86%)
- Banking and Finance (64%)
- Government and Administration (43%)
- Telecommunication (43%)
- Automotive (36%)
- Insurance (36%)
- Energy (29%)
- Professional Services (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What XML is
XML, or Extensible Markup Language, stores and exchanges structured information in a format that both people and software can read. Its hierarchy of elements, attributes and namespaces lets different systems share data without relying on a single application or database. XML remains important where clear contracts, validation and long-term interoperability matter.
What it builds
Companies use XML for business documents, configuration files, regulatory messages, product catalogues and service integrations. It appears in publishing workflows, finance, logistics, healthcare and public-sector systems, often as a stable boundary between older and newer applications.
- Design document formats and data contracts
- Connect enterprise systems through SOAP services
- Transform XML with XSLT into HTML, JSON or other XML
- Validate exchanges with XSD and Schematron
Ecosystem and tooling
Strong XML work covers more than writing tags. Experts use XSD, XPath, XSLT, XQuery, namespaces and XML Schema to model and process data. Depending on the stack, they work with Java, .NET, Python, PHP or integration suites, plus parsers, validators, message brokers and API gateways. They also understand DTDs, WSDL and SOAP where established interfaces still depend on them.
When expertise helps
Freelance expertise is useful when an integration has unclear ownership, inconsistent documents or strict validation rules. It can also help during a migration from XML to JSON, a major schema revision or the connection of an ERP, CRM, portal or partner network. In Vienna, specialists may support local teams on site or collaborate remotely with international stakeholders across German- and English-speaking projects.
- Resolve namespace and encoding problems
- Map incompatible partner formats
- Improve validation, parsing and transformation workflows
- Document schemas and integration contracts
Quality signals
Reliable professionals begin with the business meaning of each field, not only the syntax. They define versioning rules, test valid and invalid documents, handle namespaces consistently and consider security risks such as entity expansion and unsafe external references. They also make transformations observable and explain trade-offs between compatibility, strict validation and maintainability.
Choosing the right specialist
Look for experts who can show how they translated real business rules into schemas, transformations and integration tests. Ask how they handle backward compatibility, malformed input, large documents and partner-specific variations. Relevant experience with XSLT, XPath, SOAP, REST, JSON and the target programming language helps when XML is part of a wider integration landscape. Clear documentation and disciplined communication matter as much as technical accuracy.
Frequently asked questions
The facts hiring teams ask for most often when it comes to XML.
XML is used to represent, validate and exchange structured data between applications and organisations. Common examples include SOAP messages, configuration files, publishing content, business documents, product data and industry-specific data exchanges.
XML offers namespaces, attributes, mixed content and mature schema and transformation standards such as XSD and XSLT. JSON is often simpler for web APIs and lightweight application data, while XML can be the better fit when document structure, strict validation or established enterprise contracts are central.
A strong XML expert often works with XPath, XSLT, XSD, Schematron, namespaces and parsers. Depending on the project, experience with SOAP, WSDL, REST, JSON, message brokers, Java or .NET is also valuable.
The right level depends on the scope and risk of the work. A simple configuration change may need focused knowledge, while a partner integration or schema migration calls for an XML expert who has handled versioning, validation, transformations and production failures.
Yes, most XML work can be completed remotely when repositories, test data and interface documentation are accessible. Vienna-based projects may still benefit from on-site workshops when business rules, partner contracts or legacy integrations need close collaboration, with German or English agreed for communication.
Review how the XML expert models business rules, documents namespaces and tests both valid and invalid documents. Ask for examples of schema evolution, error handling, secure parsing and transformations that remain understandable after handover.
XML provides widely understood rules for structure, namespaces, validation and transformation, which reduces ambiguity between independent systems. A custom format may be smaller or tailored to one application, but it creates more responsibility for tooling, documentation and long-term compatibility.
An experienced XML freelancer can resolve namespace mismatches, invalid documents, encoding errors, slow parsing and unreliable XSLT transformations. They may also modernise SOAP integrations, map XML to JSON, clarify partner schemas or introduce safer validation and testing.
The average hourly rate of freelancers in Vienna, Austria who have used XML in their recent projects is 102 €, which corresponds to a daily rate of about 812 € based on an 8-hour working day.
Of the freelancers in Vienna, Austria who have used XML in their recent projects, 92% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Vienna, Austria who have used XML in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 3.3 years.
The most common languages among freelancers in Vienna, Austria who have used XML in their recent projects are German (100%), English (100%), and French (36%).
The most common industries among freelancers in Vienna, Austria who have used XML in their recent projects are Information Technology (86%), Banking and Finance (64%), and Government and Administration (43%).
The most common business areas among freelancers in Vienna, Austria who have used XML in their recent projects are Information Technology (100%), Product Development (79%), 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.
Countries:
Vienna 
Graz Request a free demo
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Philipp Thomaschewski
FRATCH CEO
