XSD Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used XSD
Priyanka Sarang
Last position:
Business Consultant (Software Engineering) at Boehringer Ingelheim
- Developed cloud-native enterprise applications on SAP Business Technology Platform using Node.js, SAP UI5, and RESTful APIs, delivering solutions across training management, procurement, employee information, and logistics domains
- Served as the primary developer for the maintenance, enhancement, and production support of three enterprise applications, delivering new features, resolving production issues, and coordinating releases with business stakeholders
- Experienced in leveraging AI-assisted development tools such as Microsoft Copilot to accelerate feature development, generate code, prototype solutions, and support application migration and modernization
- Designed backend services, domain models, and SAP Fiori/UI5 interfaces, implementing business workflows, role-based access control, validations, scheduling, reporting, and data import/export capabilities
- Designed and integrated enterprise services with SAP SuccessFactors, SailPoint, ERP systems, and external Learning Management APIs, including automated synchronization for 11,000+ user data
- Designed and implemented AMQP-based event-driven services processing up to 500 RFID parcel scan events per day for a logistics application
- Managed deployments and application operations using CI/CD pipelines, SAP Solution Manager, SAP BTP Cockpit, Kibana, and cloud monitoring tools, performing root-cause analysis and resolving production incidents
- Managed application dependencies by resolving npm package version conflicts and remediating critical and high-severity security vulnerabilities, ensuring production compliance and application stability
- Collaborated with architects, business users, SAP governance teams, and distributed Agile teams throughout technical design, code reviews, sprint planning, documentation, and software delivery
Sercan Tatar
Last position:
Co-Founder & Lead Software Architect at Pflege-Pfad
- Focus: system architecture, cloud-native platforms, microservices, API design
- Product: Pflege-Pfad is a digital matchmaking platform that connects relatives of people in need of care directly with verified care services and caregivers - without an agency and without ongoing fees.
- Business analysis & process design:
- Analysis of the German care market and identification of the key pain points of both target groups.
- Modeling of the core business processes: registration, verification, care request, application, placement, and rating.
- Definition of the business model as a freemium/premium model with optional contact unlocking.
- Creation of user stories and requirements documentation for relatives, care services, and administrators.
- Design of trust and quality assurance mechanisms with document upload, admin review process, and rating system.
- Coordination with stakeholders and validation of product decisions with potential users.
- Technical implementation:
- Design and implementation of the entire platform architecture as a solo developer.
- Design and implementation of a REST API with Spring Boot and Kotlin, including JWT-based authentication.
- Development of the frontend as a single-page application with Angular 17.
- Implementation of the AWS infrastructure with EC2, RDS PostgreSQL, S3, CloudFront, and IAM.
- Document upload with AWS S3 via presigned URLs for verification of care services.
- Email notifications via Resend API.
- AI-supported care service search via OpenAI API.
- Implementation of complete user flows such as registration, login, password reset, and placement process.
- Building an admin panel for user and care service management as well as analytics.
- CI/CD with GitHub Actions and containerized deployments with Docker.
- End-to-end tests with Playwright.
Technologies: Kotlin, Spring Boot 3, Spring Security, JWT, JPA/Hibernate, PostgreSQL, Angular 17, TypeScript, RxJS, AWS (EC2, ECS, S3, CloudFront CDN, RDS PostgreSQL, IAM), nginx, GitHub Actions, Playwright, Maven, Git, OpenAI API, Resend API, Docker, Scrum, i18n (DE/EN/TR), Kiro, feature-flag architecture.
Kyu-Wang Lee
Last position:
Software Architect & Lead Software Engineer at Landesamt für Steuern Niedersachsen
The goal of BIENE is to provide a uniform program for tax collection for all states.
In tax collection, the aim is to collect the assessed taxes. This includes handling due dates, documenting incoming and outgoing payments, triggering reminders or refunds. Statute of limitations and payment reminders also play an important role. All payment transactions with banks and accounting are mapped in BIENE.
Setting up the architecture and coordinating the provisioning of development and test environments at the Hanover location
Installing and configuring environments on Linux servers (Apache Kafka, PostgreSQL)
Interface tasks: coordinating and aligning the integration of software products from other departments and their test data
Upgrading application server, JDK, Maven project structure
Environment coordination and build management
Implementing external interfaces
Implementing business requirements
Designing and implementing RESTful APIs and OpenAPI specifications
Designing and implementing microservice architecture
Setting up and maintaining CI/CD pipelines
Deploying applications on OpenShift
Creating technical documentation and diagrams
Working with SQL databases (Oracle and PostgreSQL)
Setting up authentication and authorization for the application and users
Containerizing the application (automated deployment via CI/CD pipeline)
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.
Olaf Taesch
Last position:
BI Architect in a Kanban Team at Gulp / Randstad for HHLA
- Creation of automated tests.
- Extension of the functionality of the enterprise BI data warehouse.
- Design and development in SQL and PL/SQL.
- Data modeling as well as performance measurement and tuning.
- Creation of and contribution to user stories and concepts.
- Technical environment: Windows, Linux.
- Database: Oracle 19c incl. DWH, CDB, PDB.
- Tools: Confluence, CVS, Eclipse, Git, GitLab, Jira, N4, PL/SQL, SQL Developer, utPLSQL.
Stefan Wimmer
Last position:
Architect/Software Developer at Global Logistics Support GmbH
Task
- Further development of a new ERP system with Blazor
- Creation of e-invoices in the XRechnung and ZUGFeRD formats
- UI/UX design Client-server system
- Windows 11 Technology
- Microsoft .NET 9, Git, Azure DevOps, ASP.NET, MSSQL, Blazor Programming languages
- C#, MVVM Development tools
- Microsoft Visual Studio .NET 2022 Database
- MSSQL Industry
- Other
Stephan Heilmann
Last position:
Development, Tester at Telecommunications
Set up an operational contract information system. This is mainly used as an order management system - for migrating existing contracts as well as for creating and providing new contract bundles.
Sales agents can use it to order new services, modify existing ones and migrate service types, as well as provide price information to the customer.
This supports the marketing of new services as well as the replacement of old services for existing customers.
In addition, existing data is imported, processed (ETL) and provided via services for further use in the portal front end.
Analysis of the business and technical use cases (workflows, involved processes/systems, communication paths, security requirements)
Further development / creation of the front-end components (React/JavaScript)
Design and implementation of the business logic
Creation of the functional and technical component documentation
Test execution / test automation (Cypress, test coverage)
Team size: 8 people
Technologies: React, JavaScript, Rest (JSon), Yaml, Markdown, MariaDB (SQL), Docker, Swagger, Cypress
Tools: Webstorm, ReactDeveloperTools, VisualStudioCode, Word, DBeaver, Git/GitLab
Work management: GitLab
Platform: Linux
Build management: GitLab
Rainer Langbehn
Last position:
Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer at Techniker Krankenkasse
Automation of the database major / minor releases for the TKeasy project
Concept for database major / minor release automation
As-is analysis
Evaluation of Redgate Flyway functionality
Concept creation
Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence
Skills: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases
Reginald Leonczuk
Last position:
ERP System Redesign (web-based)
PHP and React redesign of a web-based ERP system.
- Development of the header and parts of the navigation
- Development of various modules in React, e.g. calendar, chat, and various tables
Rainer Diekmann
Last position:
Enterprise Architecture Management / Backend Software Developer at Polizei Hamburg
- Several projects in a police context
- Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
- Create software architectures with microservices
- POC development with Springboot/Docker/Kubernetes
- Project size: 10 people
- Enterprise architecture management with Togaf and Archimate
- Backend software development Springboot
- DevOps with Kubernetes
- Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate
Stanislaus Stelle
Last position:
Security Consultant at Rohde & Schwarz AG at Star Labs GmbH
- Worked on FPGA enhanced network encryption device with secure boot, TPM2.0 and smart card integration for BSI approved usage with Post Quantum Cryptography
- Developed and audited Linux drivers
- Collaborated using GitLab, Gerrit, Confluence and Jira
- Technologies: C, C++, Secure Boot
Robert Di Marco
Last position:
Software Architect at FinTech / Wealth Management
- Analysis of existing microservice structures and integration into the event-driven architecture
- Design and implementation of prototypes
- Introduction of structured workflows and embedding in a solid testing strategy
- Team: small specialized team (3-5 people) from analysis to implementation readiness
- Documentation of architectural decisions and definition of interfaces
- Integration of the event-driven pipeline into the existing landscape
- Technologies: Kafka, Docker, Microservices, Event-Driven Architecture, Java, Liquibase
Dimitrij Neumann
Last position:
Logistics Designer / Network Designer at Deutsche Bahn Cargo
- Requirements analysis, design, and development of a product for freight logistics (dispatching, planning, timetable and network optimization)
- Documentation of technical focus areas and support with acceptance and integration testing
- DBMS-agnostic modeling and mathematical algorithms for optimization with solver integration (Gurobi, Cplex, Coin-OR)
- Implementation of service layer, automated testing, and integration with third-party systems
Sebastian Pieper
Last position:
Senior Product Owner & Project Manager at NETZSCH Gerätebau GmbH & Co. KG
Acted as product owner for an international customer portal for consolidated analysis of technical device data; defined vision, target state, and implementation strategy.
Established a structured product backlog and introduced clear user stories; shortened development cycles and quintupled project progress within a few months.
Achieved a significant boost in delivery performance by professionalizing requirements management and implementing lean workflows; reduced coordination effort by 25%.
Served as technical single point of contact (SPOC) for the development team; closely orchestrated external stakeholders to optimize alignment between business requirements and technical implementation.
Advanced and sharpened agile methodology to increase team efficiency; implemented KPI-based reporting with early warning indicators for proactive risk management.
Markus Oberhammer
Last position:
Lead E-Solution Architect & Senior Requirements Engineer at Zasterbot-Oracle
- Clarification of project goals, scope, and functional target vision for building the AI-based knowledge base.
- Deriving the initial architecture and implementation strategy for the Zasterbot chatbot, including defining the MVP and expansion phases.
- Developing a functional target vision for building a structured knowledge base and integrating a future chatbot.
- Deriving and prioritizing use cases for information retrieval and provision by the chatbot.
- Modeling data structures and flows for effectively organizing the knowledge base on the Base44 platform.
- Designing and implementing data models for storing and linking relevant information.
- Developing processes for extracting, analyzing, and preparing raw data for the knowledge base.
- Ensuring data consistency and quality as the foundation for the future chatbot.
- Planning the integration of large language models (LLMs) and retrieval-augmented generation (RAG) for precise and context-aware responses.
- Implementing features for analyzing and visualizing data from the knowledge base.
- Using the Base44 platform with JSON-schema-based entities and a flexible permission model.
- Implementing Deno functions for backend logic, event processing, and external API integration.
- Integrating OpenAI services for initial data analysis.
Discover over 15,000 top freelancers
Statistics of experts using XSD
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
1.9 years
Positions per freelancer
18
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
84%
Master's degree or higher
48%
Doctorate
3%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
95%
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 Germany 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 Germany using XSD
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
What XSD does
XSD, short for XML Schema Definition, defines the structure of XML documents. It sets which elements, attributes, types, and patterns are valid so systems can exchange data with less ambiguity. Teams use it when XML must be strict, predictable, and machine-readable.
Where it is used
- Enterprise integration and message validation
- B2B data exchange and partner interfaces
- Configuration files and content models
- SOAP services and legacy system contracts
- Document-heavy workflows in regulated industries
Tooling and ecosystem
Strong specialists work with XML editors, schema validators, XSLT, XPath, and related integration tools. They understand namespaces, imports, includes, type derivation, and schema versioning. They also know how XSD fits into API contracts and backend validation.
When companies bring in help
Companies look for freelance experts when schemas become large, brittle, or shared across many systems. That often happens during platform migrations, interface redesigns, partner onboarding, or when XML validation starts failing in production. In Germany, this work is often tied to enterprise IT, manufacturing, insurance, and public-sector integration.
What strong experts deliver
Good professionals write clear schemas that are easy to maintain and hard to misuse. They can trace validation issues back to the source XML, fix broken type definitions, and align schema rules with real business data. They also document changes so other teams can use the schema safely.
Signs you need XSD expertise
- XML payloads pass in some systems and fail in others
- Existing schemas are hard to extend without breaking interfaces
- Partner data arrives in different XML formats
- Validation rules are spread across code instead of one schema
- You need a clean handover for long-lived XML contracts
Frequently asked questions
Not sure where to start with XSD? These answers cover the essentials.
XSD is used to define and validate XML structure. It tells systems what fields are allowed, which ones are required, and what data types they should carry. That makes it useful for integrations, document exchange, and any workflow where XML must stay consistent.
XSD and JSON Schema solve similar problems for different formats. XSD is the standard choice when your systems exchange XML, especially in older enterprise setups, SOAP services, and document-heavy processes. JSON Schema is more common when the data format is JSON and the surrounding stack is more modern.
A XSD specialist is useful when schemas are blocking integration work, validation errors are hard to isolate, or a migration is touching many XML contracts. Companies also bring in outside help for partner onboarding, schema refactoring, and documentation cleanup. If the schema is business-critical and few people understand it, a specialist pays off quickly.
A strong XSD expert usually also knows XML namespaces, XPath, XSLT, and schema-aware tooling. For integration-heavy work, SOAP, backend validation, and data modeling matter too. In many projects, the best people can read both the schema and the application code that consumes it.
Yes. XSD remains important anywhere XML still acts as a contract between systems, especially in enterprise integration and regulated environments. It is less common in greenfield product work, but it still solves a real need when strict validation and stable data shapes matter.
A simple XSD task may only need someone who can clean up a schema or fix validation rules. Larger programs need a specialist who can manage namespaces, reuse types, and keep multiple versions compatible. The more systems depend on the schema, the more valuable deep experience becomes.
Yes, most XSD work can be done remotely because it centers on schema files, validation traces, and integration documentation. On-site work can help when teams need to map XML contracts to business processes or untangle legacy systems with many stakeholders. In Germany, mixed collaboration is common on enterprise and public-sector projects.
A strong XSD specialist writes schemas that are readable, modular, and easy to extend. Look for people who can explain why a type design works, how validation errors were diagnosed, and how changes were made without breaking dependent systems. Good documentation and careful version control are also strong signs.
The average hourly rate of freelancers in Germany who have used XSD in their recent projects is 96 €, which corresponds to a daily rate of about 765 € based on an 8-hour working day.
Of the freelancers in Germany who have used XSD in their recent projects, 84% hold at least a Bachelor's degree, 48% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers in Germany who have used XSD in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Germany who have used XSD in their recent projects are German (100%), English (93%), and French (15%).
The most common industries among freelancers in Germany who have used XSD in their recent projects are Information Technology (95%), Banking and Finance (68%), and Government and Administration (51%).
The most common business areas among freelancers in Germany who have used XSD in their recent projects are Information Technology (100%), Product Development (93%), and Quality Assurance (73%).
Main locations of FRATCH Experts, who have recently used XSD
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 Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
