
XML Experts in Frankfurt
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Meet FRATCH Experts in Frankfurt, who have recently used XML
Umut G.
Last position:
Data Architect at BA Technology
I am an experienced data engineer specializing in end‑to‑end data integration, cloud DWH architectures, and high‑quality, governed data products.
I delivered following projects and engagements as a freelancer.
- Data Migration of CRM System for AL-FA Objekt Service Gmbh
- Microsoft Software Resales Partnership
I am looking for freelance roles like: Freelance Data Engineer Cloud Data Warehouse Architect Data Modeling & Architecture Consultant MDM & Data Governance Specialist BI & Analytics Developer
Technical Focus Areas
- Data Engineering & Integration: SQL Server/SSIS, Informatica PowerCenter/IDQ, Talend, Kafka, Azure Data Factory – Delta/CDC/ELT patterns, robust pipelines, monitoring/recovery, data lineage & impact analysis, medallion architecture Bronze/Silver/Gold layers
- DWH & Cloud: Azure SQL / Data Lake / Synapse, AWS Redshift/S3, on‑prem SQL/Oracle – scalable data marts with a strong cost/benefit focus.
- Data Modeling: Atomic (Inmon) and Dimensional (Kimball), Data Vault (Linstedt), Domain‑Driven Design, clear lineage & contracts.
- MDM & Governance: Informatica MDM, IBM MDM, stewardship processes, data quality rules, survivorship/XREF, catalog/glossary, SIF/BES/REST publication.
- Analytics/BI: Power BI, SSAS, Cognos – business‑ready, maintainable data products.
Björn A.
Last position:
Project Manager at DB InfraGO
Elevator emergency call reorganization project: Project to evaluate and define a new technical solution for connecting elevator emergency calls for all facilities of DB InfraGO passenger stations.
Objectives: Secure, redundant connection of all locations across Germany. Definition of the technical solution, documentation, subject-matter support and management of specialist and line organizations.
Identification and commissioning of technical solutions.
Management of documentation and approval of the technical solution in DB regulations.
Definition and tracking of the roadmap for describing the solution.
Preparation of a rollout plan to avoid shutdowns.
Coordination and implementation of decision proposals for steering committees.
Communication of the solution to all committees and regional areas.
Olga L.
Last position:
Business Analyst at VisualVest (Union Investment)
- Analyzed, structured, and documented business requirements for digital investment solutions, such as robo-advisors.
- Designed applications for new retirement products, including user flows, UX requirements, and functional specifications.
- Modeled and optimized business processes and coordinated with stakeholders while taking regulatory requirements in the financial sector into account.
Minh D.
Last position:
Project Manager / Business Analyst / Application Manager at Finance and Insurance
Introduction of 5 different process applications for different teams
Release planning: scope and time management
Resource/capacity planning
Conducting Sprint Planning / retrospectives
Increment planning (several sprints)
Preparation of Steering Committee meetings / reporting to the Board
Coordination / alignment with external suppliers / deliveries
Resource planning for multiple projects
Coordination with business department and development team
Identification of best practices with IBM BAW
Cost control and planning for the project team and external service providers
Collection of KPIs using LogScale
Analysis of application errors with LogScale / Queries
User Story definitions / coordination of requirements with the business department and development team
Testing and defect tracking
UI/UX design of applications
Preparation and moderation of Brown-Paper workshops
Test concept, test data, test organization, test execution
Collection of team velocity / metrics
Test execution
Script for automated testing
Test organization with business department and IT
Recording and prioritization of defects
Establishment and operation of the application
Establishment of application monitoring with LogScale Dashboards
Checking health endpoints with PowerShell
Post Mortem analysis
Establishment of Incident Management
Establishment of Problem Management
Analysis of errors using LogScale Queries and Dashboard
Pre-processing of data for AI
Evaluation using AI language models (Meta Llama 3.3 LLM and deepset Haystack) and RAG
Installation of runtime environments for LLMs (Large Language Model)
Evaluation of various LLMs
Installation of RAG (Retrieval Augmented Generation) and integration with LLM
Extraction of unstructured data with LLM and RAG
Project based on IBM BAW (Business Automation Workflow), Websphere Liberty, Domea, d.3, REST, LogScale (formerly Humio), Swagger, Powershell, JIRA, Confluence, Lucom Interaction Platform (LIP), Mattermost, Jabber
Kevin F.
Last position:
DevOps and Platform Engineer at DB Systel GmbH
- Error analysis and fixes including performance optimization of the in-house developed platform API
- Change and incident management in day-to-day operations
- Responsible for compliance with security and compliance requirements
- Vendor management for software development and maintenance
- Planning and execution of migration of legacy services to a cloud native platform
Role in the project: project staff, implementation team
Used skills: requirements analysis, IT service and application management, IT operations, error analysis and performance optimization, software maintenance and lifecycle management
Project environment: Cloud Native Platform (Kubernetes, Crossplane, AWS, ArgoCD, Grafana)
Stefan V.
Last position:
Senior Manager Projects at Cognizant Technology Solutions GmbH
- Agile coach and scrum master in property insurance/underwriting for Allianz Technology
- Team 1: Kanban/Scrumban team in DevOps mode – new features, distributed monolith to microservices, reduction of technical debt & refactoring, implementation of CI/CD, expansion of automated testing
- Team 2: SAFe team – greenfield service for global software and German adaptation, AI integration (Cythora)
- Scrum trainings, scrum manuals in Confluence, all ceremonies, establishment of an experimental just culture, team replacement and scaling from 7 to 20
- Requirements engineering, prioritization via business value for product owners, risk identification
- Project budget management, JIRA monitoring and automation, steering committee support, test strategy
- SAFe integration, PI planning, flight levels and road mapping
Mario S.
Last position:
Expert in Web Analytics, Tag Management and Consent Management at Deutsche Bahn AG
- Conducting and evaluating web analyses
- Creating and editing tags and scripts in the area of tag management as well as banners and other client-side web elements in the area of consent management
- Technologies used in development: Tealium, JavaScript, IntelliJ, Git, Android Studio, Selenium, Appium, Adobe Analytics, Power Automate, Power App
Mustafa K.
Last position:
Senior Network Design and Engineer at Helaba
Designed and specified the technical network integration of a new business critical application system (MUREX) in the capital market area in a complex interface and outsourcing environment.
Created component specifications, catalog of measures and implementation plan.
Ensured proper integration of developed results in accordance with the bank’s framework: IT compliance, IT security, change and release management.
Selected and integrated a new service provider for the bank; moved critical bank applications to the provider.
Designed, implemented and supported the new Cisco network and Fortinet security setup at the service provider data center.
Acted as technical interface between bank, service providers and consulting partners.
Supported and further developed the network and security infrastructure (clients, servers, networks); performed error analysis and implemented solutions within agreed service levels.
Analyzed and diagnosed all security and network failures, glitches and malfunctions.
Initiated continuous enhancements to guarantee efficient resource utilization and acceptable response times to users.
Provided network support in financial service organization and operational change preparation on production banking network infrastructure for both large and small projects within strict change management discipline.
Designed, defined, tested, governed and improved engineering standards.
Performed role of network architect for medium-large projects involving team resources.
Dominic B.
Last position:
Freelance Engineer at Bilke Web- und Softwareentwicklung
- Web and software development
- Project work
Lutz H.
Last position:
Developer for Oracle Forms, PL/SQL, Java at AIG Europe S.A.
- Development and implementation of backend components with PL/SQL and Oracle Forms 12c. Adaptation and further development of the policy administration system. Technical consulting in UI design with a focus on integrating existing Oracle Forms and the requirements of the BIPRO framework.
- The project takes place in the technical environment of BIPRO, SQL databases and Oracle Forms applications. The assigned work includes backend development and technical further development in the above project with the following tasks:
- Development and implementation of backend components with PL/SQL and Oracle Forms 12c to technically map the business processes and ensure a stable and efficient system architecture
- Adaptation and further development of the policy administration system to ensure system functionality in line with the requirements of the new broker communication program
- Analysis of the existing system to identify and avoid errors and technical problems during implementation, in order to enable a smooth transition to the new system
- Carrying out patching and further development of existing Oracle and Oracle Forms applications to ensure compatibility and security of the systems in use
- Technical consulting in UI design with a focus on integrating existing Oracle Forms and the requirements of the BIPRO framework.
Label: PL/SQL, Java, Oracle RDBMS and Oracle Forms
Jörn B.
Last position:
Project Management and PMO at TANKKARTEN | PAYMENT
- Close collaboration with development teams to ensure alignment with project objectives
- Assessment of in-scope assets, creation of requirements, and support of the public tender process through the selection of a provider
- Creation and maintenance of UML sequence diagrams to document system interactions
- Extensive use of Agile/Scrum methodology and Spotify model
- Development and implementation of cutover and dress rehearsal plans together with the application managers
Pranjal N.
Last position:
Consultant – Business Process & Supply Chain Advisory at Restaurant Namaste Aschaffenburg
- Designing and optimizing the end-to-end supply chain for a newly established restaurant, covering fresh produce, dry goods, beverages, and kitchen essentials
- Setting up ordering cycles, ensuring food-safety compliant logistics, and aligning delivery schedules with kitchen operations to maintain product quality and reduce waste
- Building procurement frameworks and vendor relationships with major importers and wholesalers in Germany; structuring agreements to secure competitive food pricing, negotiating minimum order quantities, and establishing reliable delivery commitments
- Defining structured processes for supplier evaluation, contract negotiation, and delivery scheduling to reduce risks such as delayed deliveries, inconsistent product quality, or stock shortages; introducing clear evaluation criteria, establishing communication protocols with vendors, and setting escalation procedures for supply disruptions
Basil S.
Last position:
Senior Developer / Data Engineer at Large energy-sector company
- Co-founded the Real-Time Data team, which grew to 10 members over time.
- Developed and delivered core data products.
- Optimized real-time application performance and implemented monitoring, alerting and logging solutions to ensure system stability.
- Created and maintained deployment pipelines.
- Collaborated with teammates, architects and experts in an agile Scrum environment.
- Operated applications, analyzed, tested and troubleshot software solutions.
Onik M.
Last position:
SAP SuccessFactors & S4HANA Consultant at Banking Industry
Extracted relevant infotypes from SAP HCM for migration to SuccessFactors Employee Central and mapping to ECP fields.
Configured P2P integration including BAPI setup and secured data exchange with HTTPS and OAuth protocols.
Set up foundational settings in Recruiting (REC) including roles, permissions, and job requisition templates.
Implemented Career Site Builder to create a branded candidate experience and integrated external job boards.
Configured candidate application workflows, screening, interviewing, and hiring communication templates.
Set up pre-screening questions and assessment tools including DHB sanction list checks.
Implemented automated background check and KYC integration with external vendors in the REC module.
Localized job requisition templates to reflect regional job titles and regulatory compliance.
Customized onboarding document templates and localized document archiving protocols (DRTM).
Adjusted onboarding forms to capture country-specific employee information including Form I-9.
Enabled Form I-9 remote document verification and integrated eVerify with SuccessFactors.
Set up automated reminders for employees and HR to complete I-9 sections within deadlines.
Configured pre-Day 1 access for new hires to complete tasks and mandatory trainings prior to start date.
Enabled e-signature integration for onboarding documents to support remote verification.
Technologies: SAP SuccessFactors, BTP, CPI, HCM onPremise, EC, ECP, REC, ONB, Form I-9, eVerify, S4HANA.
Vladimir F.
Last position:
IT Consultant at ITZBund
- ITSM consulting, analysis and optimization of IT capacity with BMC TSCO / BMC Helix
- Drafting "Governance guidelines for operational capacity management"
Discover over 15,000 top freelancers
Statistics of experts using XML
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 23 years)

Position duration
2.4 years (Germany: 5.2 years)

Positions per freelancer
16

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Banking and Finance, Automotive

Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
84% (Germany: 88%)
Master's degree or higher
55%
Doctorate
11% (Germany: 9%)

Certifications per freelancer
4 (Germany: 3)

Most common languages
German, English, French

Speak two or more languages
96% (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 Frankfurt 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 Frankfurt 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 (90%)
- Banking and Finance (79%)
- Automotive (48%)
- Transportation (46%)
- Professional Services (42%)
- Manufacturing (40%)
- Telecommunication (38%)
- Healthcare (35%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Structured data with XML
XML, or Extensible Markup Language, represents information in a structured, readable format. It separates data from presentation and supports nested records, attributes, namespaces, and validation rules. Companies use it for documents, messages, configuration files, and long-lived data exchanges where consistent structure matters.
Schemas and validation
Reliable XML work starts with a clear model. Experts define XSD schemas, document required elements, set data types, and manage namespaces across versions. They also use DTD where legacy systems require it, then validate sample and production documents to prevent broken integrations and ambiguous data.
- Define schemas and validation rules
- Resolve namespace and encoding issues
- Check documents against business requirements
Transformation and querying
XPath selects precise nodes in complex documents. XSLT transforms XML into HTML, text, another XML vocabulary, or messages for downstream systems. Strong professionals also handle XSL-FO, streaming constraints, character encoding, and defensive processing when large or externally supplied documents are involved.
Integration ecosystems
XML appears in SOAP services, WSDL contracts, enterprise service buses, and message queues. It also supports formats and standards such as RSS, Atom, SVG, MathML, DocBook, and DITA. Adjacent skills often include Java or .NET, REST migration, JSON conversion, API security, and automated validation.
- Map XML between applications and partners
- Maintain SOAP contracts and service messages
- Convert XML to JSON or usable documents
When freelance expertise helps
Companies bring in freelance XML specialists during integration programs, schema redesigns, migrations, and document automation. They can repair inconsistent feeds, modernize SOAP interfaces, create transformation pipelines, or document a format that has grown without clear ownership. Frankfurt teams may also value professionals who can collaborate on-site or remotely across German and international stakeholders.
What strong professionals deliver
A strong XML professional reads both the syntax and the business meaning behind a document. They produce maintainable schemas, tested transformations, clear mapping decisions, and useful documentation. They protect parsers against entity expansion and external-resource risks, review backward compatibility, and explain trade-offs between XML, JSON, and a domain-specific standard.
Frequently asked questions
The facts hiring teams ask for most often when it comes to XML.
XML is used to represent structured data in documents, configuration files, service messages, and partner exchanges. It is common where strict validation, readable contracts, namespaces, or long-term document processing are important.
XML offers schemas, namespaces, attributes, mixed content, and mature document standards, while JSON is usually more compact and convenient for web APIs. The right choice depends on the data model, existing contracts, validation needs, and the systems that must consume the content.
XML work often requires XPath, XSLT, XSD, SOAP, WSDL, and secure parser configuration. Useful adjacent skills include Java or .NET integration, JSON conversion, API design, automated testing, and familiarity with industry vocabularies such as DITA or DocBook.
XML expertise is valuable when schemas are inconsistent, transformations fail, or partner messages need careful mapping. A project involving legacy SOAP services, document automation, complex namespaces, or a migration to JSON benefits from someone who can preserve compatibility while improving maintainability.
XML projects are often well suited to remote collaboration because schemas, sample documents, tests, and transformations can be reviewed online. On-site workshops in Frankfurt can still help when teams need to agree on business mappings, partner contracts, or ownership of a shared format.
XML deliverables may include schemas, validated sample documents, XPath or XSLT transformations, mapping specifications, service contract updates, and automated tests. The work should also explain namespace choices, versioning, error handling, and how the integration behaves with invalid or unexpected input.
XML quality is visible in precise schemas, predictable transformations, useful tests, and clear documentation. Ask a professional to explain namespace handling, backward compatibility, parser security, and how they would diagnose a document that passes basic syntax checks but fails business validation.
XML remains relevant in enterprise services, regulated document flows, publishing, configuration, and established partner interfaces. New systems may prefer JSON, but replacing XML is not always practical; a capable professional can connect both formats and recommend a migration only when it solves a real problem.
The average hourly rate of freelancers in Frankfurt, Germany who have used XML in their recent projects is 99 €, which corresponds to a daily rate of about 794 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used XML in their recent projects, 84% hold at least a Bachelor's degree, 55% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used XML in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.4 years.
The most common languages among freelancers in Frankfurt, Germany who have used XML in their recent projects are German (100%), English (94%), and French (25%).
The most common industries among freelancers in Frankfurt, Germany who have used XML in their recent projects are Information Technology (90%), Banking and Finance (79%), and Automotive (48%).
The most common business areas among freelancers in Frankfurt, Germany who have used XML in their recent projects are Information Technology (100%), Product Development (75%), and Project Management (75%).
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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