XML Experts in Vienna
for reliable data exchange, matched in minutes with the power of AIHire experts who design schemas, transform documents with XSLT and connect XML-based integrations across enterprise systems. Get precise matches with vetted, available freelancers who can support remote or on-site work in Vienna.
Meet FRATCH Experts in Vienna, who have recently used XML
Alexander P.
Last position:
Owner & Lecturer at Artellico / Own company for AI governance and data products
- Consulting and interim management at the intersection of IT operations and regulation
- Impact assessment 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
- Teaching assignments in Data & Information Management and Human-Machine Interaction at Hochschule Burgenland, since 2023
- Supervision of Master's theses and participation on examination boards
- Industry talks for businesses 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
- Integration with bank account systems using SEPA direct debit mandates and message formats under ISO 20022 (pain.008, camt.053)
- MLOps and AIOps in live operations
- Own applications under my own brand: shared codebase, separate deployment for each target device
- AI-assisted software development (vibe-coding), complete agentic pipelines, code generation, implementation, automated testing, CI/CD and release cycles
- Professional publications on the EU AI Act, NIS2, DORA, CRA and CER as an integrated governance system
- Professional 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 / AI-driven Finance Transformation at Agrana
Organizational Change Management for the strategic setup of a hybrid GBS rollout as part of a global, AI-driven Finance Transformation. End-to-end management of the OCM architecture in a highly complex on-, near-, and offshore partner setup [IN, PL, RO]. Successful completion of Phase 1 (Initial Strategy) and strategic pausing by the Executive Board after the early disclosure of critical vendor-side OPEX risks
Systemic Baseline Assessment & Stakeholder Diagnostics: Evaluation of the global organization and analysis of the process landscape across 21 countries [AT, DE, CH, FR, UK, SI, RO, UA, RU, US, CD, CN, AR, MX, ZA, IN, JP] to precisely determine change requirements
Architecting the OCM Strategy & Master Roadmap: Independent development of a comprehensive, AI-centered Change Roadmap for end-to-end management of all change initiatives across every project phase
Data Quality & AI Agent Risk Mitigation: Auditing of Process Data Repositories (Celonis analysis); prevention of the ingestion of 58% synthetic training data to safeguard AI model reliability amid geopolitical supply chain tensions
GBS Vendor BAFO Triage & Contractual Commitment: Critical review of Tier-1 vendor pitches and contractual commitment to a reduced Non-STP rate (from 7% to 4%) to avoid extreme manual rework with a planned FTE reduction (-63%)
Executive Enablement & Board Alignment: Design of the GBS Transformation Executive Board Deck to strategically enable C-level executives and transparently present completely overlooked AI tokenization costs
Targeted Change Communications & Engagement: Design and development of audience-specific communication measures to align the highly diverse, globally distributed stakeholder network
Adoption Velocity & Resistance Measurement: Engineering of quantitative measurement tools (Pulse Check Survey) using Behavioral Dyads to identify resistance based on data and ensure sustainable success measurement
Results:
- Avoidance of disruptive misallocations: Stopping the ingestion of 58% synthetic AI-agent training data after discovering only 42% compatibility with existing processes, preventing critical GBS cascade errors
- Significant OPEX & effort reduction: Reduction of the Non-STP rate in Tier-1 vendor BAFOs from 7% to 4% alongside an impending 63% Finance-FTE reduction; avoidance of thousands of time-consuming manual correction processes
- 100% Delivery of the OCM architecture & ROI protection: Delivery of all OCM artifacts (Change Roadmap, Comms Plan, Executive Board Deck, Pulse Check Survey) and protection of ROI by identifying incalculable LLM runtime token costs
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
Vladislav F.
Last position:
Senior Test Automation Engineer / Test Manager at Stadt Wien – WUKSEA
- Creation of test scenarios, manual test cases and test data using boundary value analysis and equivalence partitioning
- Execution of functional and non-functional tests (manual with Postman and web application, automated with WebDriver, JUnit and NUnit)
- Setup, automation and maintenance of the Test Automation Framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web frontend and SOAP API backend interfaces)
- Automation of backend NUnit test cases in Visual Studio
- Test management: development and implementation of the test strategy and test plans, test coordination, quality responsibility and prioritization of risk-based tests, as well as documentation management in Confluence
- Detailed analysis and quality assurance of requirements
- Creation and maintenance of Jenkins pipelines, quality assurance during build & deployment
- Close cooperation with business analysts, developers, testers and test management
- Identification, creation and tracking of errors/defects, as well as careful test documentation
- Reporting of test results and defect reports
- Monitoring of test processes and continuous improvement
- Verification of test data and test results in a PostgreSQL database in pgAdmin
- Support with effort estimates and backlog prioritization
- Analysis and debugging of 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
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
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.
Christian K.
Last position:
Senior Project Manager at BRZ
- Led the SAP S/4HANA migration (budget approx. €2 million) and coordinated business units, IT and external partners
- Optimized the SAP landscape, reducing batch run times by approx. 40% and cutting unplanned downtime
- Took overall responsibility for annual SAP LCP updates and managed hybrid project approaches
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
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"
Discover over 15,000 top freelancers
Statistics of experts using XML
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
3.1 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, Information Technology, Quality Assurance
Bachelor's degree or higher
92%
Master's degree or higher
69%
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 Vienna 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 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 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 (87%)
- Banking and Finance (67%)
- Government and Administration (60%)
- Professional Services (40%)
- Telecommunication (40%)
- Automotive (33%)
- Healthcare (33%)
- Insurance (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What XML does
XML, or Extensible Markup Language, structures information in a readable, system-independent format. Companies use it to exchange business documents, describe configuration data and move records between applications. Its explicit tags and hierarchical structure make complex data easier to validate, archive and process.
Where it runs
XML remains central to enterprise integration, publishing and regulated data exchange. It appears in SOAP services, RSS feeds, office documents, geographic data and industry formats such as XBRL, SVG and MathML. Vienna-based organizations in finance, public services, manufacturing and transport may rely on XML when systems must communicate through established standards.
- Exchange invoices, orders and customer records
- Connect legacy applications with modern services
- Store structured content for publishing workflows
- Validate documents against formal schemas
Core ecosystem
Strong XML specialists work with XML Schema, DTD, XPath, XQuery and XSLT. They may use Saxon, Java XML APIs, .NET libraries, Apache Camel or integration suites that process SOAP and document messages. Knowledge of namespaces, parsers, serialization, XPath expressions and schema evolution is essential for dependable results.
When to bring in expertise
Companies often need freelance support during system migrations, integration programs or audits of fragile document flows. Specialists can define a schema, map fields between formats, replace brittle transformations or investigate validation and encoding failures. They are also useful when internal teams understand the business process but lack capacity for standards-heavy implementation.
- Create or review XSD schemas
- Transform XML with XSLT and XPath
- Diagnose namespace and validation errors
- Integrate SOAP endpoints and message queues
- Improve parsing, security and test coverage
What quality looks like
A capable professional treats XML as part of a complete integration design, not just as markup. They document schemas, preserve backward compatibility and test real payload variations, including missing fields, unexpected namespaces and large files. They also understand when JSON, CSV or a database is more suitable and can explain the trade-off clearly.
Collaboration and delivery
XML work benefits from precise requirements, representative sample documents and access to interface contracts. Remote collaboration works well when teams share repositories, test environments and clear review practices; on-site sessions in Vienna can help with legacy platforms, secure networks or workshops involving several departments. Typical deliverables include schemas, transformations, validation rules, interface documentation and automated tests.
Frequently asked questions
The facts hiring teams ask for most often when it comes to XML.
Companies use XML to exchange structured documents between applications, especially where schemas, validation and long-term compatibility matter. Common examples include SOAP services, invoices, publishing pipelines, configuration files and regulated industry formats.
XML supports attributes, namespaces, mixed content and formal schema languages, which suit complex documents and established enterprise interfaces. JSON is often more compact and convenient for web APIs, so the right choice depends on the consumers, standards and compatibility requirements.
A strong XML specialist often works with XSD, XPath, XSLT, XQuery and SOAP. Experience with Java or .NET, REST integration, message brokers, databases, security practices and automated testing is also valuable.
The required level depends on the risk and complexity of the interfaces. A basic document transformation may need focused XSLT knowledge, while schema governance, legacy integration or high-volume processing calls for a professional who can design, test and document the wider system.
Yes, many XML projects can be delivered remotely through shared repositories, sample payloads and controlled test environments. On-site collaboration in Vienna can still help when work involves secure networks, undocumented legacy systems or workshops with business and technical teams.
Ask for examples of schema design, transformations and interface documentation, then review how edge cases are handled. Good XML work includes namespace discipline, clear validation rules, backward-compatibility decisions, security controls and automated tests using realistic documents.
XSLT is useful when the main task is transforming one structured document into another, particularly in publishing or integration workflows. Application code may be preferable when the process requires complex business logic, external services, state management or broad operational control.
Secure XML processing must address external entity expansion, unsafe document types, oversized payloads and denial-of-service risks. Specialists should configure parsers defensively, validate input, protect sensitive fields and test the complete processing chain rather than relying only on schema validation.
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 819 € 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 69% 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 3.1 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 (33%).
The most common industries among freelancers in Vienna, Austria who have used XML in their recent projects are Information Technology (87%), Banking and Finance (67%), and Government and Administration (60%).
The most common business areas among freelancers in Vienna, Austria who have used XML in their recent projects are Information Technology (100%), Product Development (73%), and Project Management (73%).
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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