SOAP Experts in Essen
for reliable integrations, matched in minutes with vetted and available freelancersHire experts who design and maintain SOAP web services, integrate WSDL-based APIs and secure enterprise message flows with WS-Security. Get fast, precise matching with vetted, available freelancers for remote or on-site work in Essen.
Meet FRATCH Experts in Essen, who have recently used SOAP
Anupriya P.
Last position:
Senior Software Engineer at Telefonica Germany
(Maternity/Parental Leave: July 2023 – Aug 2024)
- Domain: Payment Domain | Client: Telefonica Germany
- Project: General Payment Service
The General Payment Service is responsible for processing of online payments via external payment service provider like Safer pay and PayPal
- Developed Design of Use (DOU) and interface contract documentation, ensuring clarity and compliance across system integrations
- Designed and delivered REST/SOAP web services with Spring Boot and Spring Data JPA, publishing Swagger contracts through WSO2 API Gateway to improve accessibility and governance.
- Spearheaded the on-premises to AWS Cloud migration, re-platforming from Oracle to PostgreSQL on AWS RDS and deploying services on EC2, improving scalability and cost efficiency.
- Containerized microservices using Docker and orchestrated deployments with Kubernetes, streamlining deployment pipelines and improving system reliability.
- Implemented proactive monitoring and logging via AWS CloudWatch and Kibana, ensuring stability and performance during cutover.
- Enhanced collaboration through code reviews and peer reviews, promoting maintainability and clean coding standards.
- Strengthened quality by writing comprehensive JUnit tests and preparing detailed test cases enabling early defect detection
- Delivered automated API testing with Ready API, Postman, and SOAPUI, and conducted performance testing with JMeter, ensuring reliability in high-transaction environments.
Adem S.
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Mike H.
Last position:
IT-Consultant & Founder at QFITS GmbH
In my role as Managing Director of QFITS GmbH, I support companies throughout the entire project cycle - from requirements gathering and process analysis to the design of suitable system solutions and all the way to implementation and quality assurance. My focus is on the introduction and integration of POS and ERP systems as well as their seamless connection to existing backend systems and interfaces.
Direct food sales (09/2025 – 05/2026) Support of a project from requirements analysis to the introduction and integration of a new POS system for a direct food sales company. A special focus was on archiving POS logs as well as preparing and providing them as transactions for connected surrounding systems. In addition, design and setup of functional tests and performance tests for the existing backend system, which had to be seamlessly integrated with the POS system.
René T.
Last position:
Managing Director at Le Shop Vegan
- Shop & ERP system, performance marketing
- Fulfilment: setup & operation of warehouse & shipping
- Finance: control & liquidity planning
Daniel U.
Last position:
Senior Application Packaging & Deployment Engineer at Allevio AG (Client: Allianz Technology)
- Enterprise application packaging and deployment for Allianz's global Windows migration programs across Europe, North America, and APAC
- Migrated hundreds of enterprise applications from Windows 10 VDI to Microsoft Azure Windows 365 (Windows 11)
- Created software packages in MSI/MST, FlexApp, PSADT 3/4, and App-V according to enterprise packaging standards
- Developed an ASP.NET packaging automation platform with MongoDB, SQL Server, SharePoint, and Outlook integration
- Built PowerShell modules for automated quality checks of MSI and FlexApp packages
- Developed a release conflict detection module in PowerShell to identify potential deployment issues before production
- Created WDAC monitoring scripts for automated policy oversight and incident response
- Implemented MSGraph API calls in PowerShell for Azure AD and Intune operations
- Created Citrix oData scripts for historical usage analysis (BYOD, VDI, fat clients)
- Developed an Intune Win32 app 'Do Not Disturb' deployment routine for an optimal user experience
- First point of contact for troubleshooting production incidents with packaged applications
- Coordinated application owner, UAT, and release testing for hundreds of deployments
- Administered Microsoft Intune, Citrix environments, and SQL Server security
- Created and tested WDAC policies in Intune; managed configuration policies and Win32 app deployments
- Primary packaging resource for Allianz France since 2019
Dmitrii S.
Last position:
Senior Developer/Team Lead at Devexperts
Project Livebash (2021-12-01–2023-12-31)
Development and design of the core system
Code reviews
Developer management
CI/CD
Client communication
Leading epics
Speaking at conferences
Managing the production system
Interviewing project developers
Outcome: production system
Technologies and tools: Java 11, Java 17, Kotlin, Spring Boot, TeamCity, Gradle, AWS DynamoDB, JUnit, Mockito, Docker, Docker Compose, AWS SQS, AWS EC2, AWS S3, AWS MediaLive, Ethereum, Postman
Project Robinhood (2024-01-01–2024-05-31)
Customization and development of product features for specific clients
Interviews with project developers
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Projects Sway, Tickmill, Pepperstone, UCapital (2024-06-01–present)
Customization and development of product features for specific clients
Bug fixes
Porting tickets from the product
Feature development
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Alain Gérard E.
Last position:
Business Analysis / Requirements Engineering at 1&1
- Creating the functional specification for a dashboard solution for E2E management in the 5G deployment team in an Open RAN architecture
- Developing dashboards and reports with Power BI Desktop (data connection using Power Query, KPI calculations with DAX, publishing to Power BI Service)
- Developing solutions with Power Apps
- Integrating Power BI reports into Dynamics 365 Business Central
Stefan W.
Last position:
Project team member at Environmental service provider
- Implementation and maintenance of an order management system
- RDBMS Oracle 19c
- Oracle Forms/Reports 12c/14c
- Oracle SQL
- XML processing
Discover over 15,000 top freelancers
Statistics of experts using SOAP
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 20 years)
Position duration
3.5 years (Germany: 3 years)
Positions per freelancer
9 (Germany: 14)
Top business areas
Information Technology, Project Management, Quality Assurance
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Project Management, Information Technology, Quality Assurance
Bachelor's degree or higher
88% (Germany: 93%)
Master's degree or higher
50% (Germany: 55%)
Certifications per freelancer
1 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 96%)
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 Essen 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 Essen using SOAP
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.
SOAP 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 (75%)
- Banking and Finance (63%)
- Manufacturing (63%)
- Food and Beverage (50%)
- Automotive (38%)
- Professional Services (38%)
- Government and Administration (38%)
- Retail (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What SOAP is
SOAP, short for Simple Object Access Protocol, is an XML-based messaging standard for exchanging structured data between applications. It commonly uses HTTP or HTTPS, but can also work with other transport protocols. WSDL contracts define operations, messages and data types so connected systems can communicate predictably.
Where it runs
SOAP remains common in banking, insurance, healthcare, logistics, public services and large enterprise environments. It is often embedded in ERP, CRM, billing and identity systems where strict contracts, auditability and mature governance matter. Companies in Essen may encounter it when integrating established internal systems with partners or regulated services.
Ecosystem and tooling
SOAP work involves WSDL, XML Schema, XSD, namespaces, SOAP headers and fault handling. Specialists may use Java and JAX-WS, .NET and WCF, PHP SOAP, Python libraries or vendor middleware. Useful tools include SoapUI, Postman for supporting API checks, XML validators, application logs and contract test suites.
Typical deliverables
- Design or update WSDL contracts and XML schemas
- Build SOAP clients, services and adapters
- Map XML messages to domain models and legacy formats
- Configure WS-Security, certificates and reliable delivery
- Test faults, namespaces, headers and backward compatibility
A strong integration also documents endpoints, authentication, versioning and operational ownership. This prevents small contract changes from disrupting dependent systems.
When specialists help
Companies bring in freelance SOAP expertise during legacy modernization, partner onboarding, platform migrations and production incidents. Support is especially valuable when documentation is incomplete, several vendors own connected services or a new REST layer must coexist with existing SOAP interfaces. Remote collaboration works well with secure access, clear contracts and shared test environments; on-site work in Essen can help when systems are tightly connected to local operations.
What quality looks like
Reliable professionals read the contract before changing implementation. They understand XML namespaces, schema validation, SOAP faults, HTTP behavior and security policies, and they trace a complete request across every system. They add contract and integration tests, preserve compatibility where required and explain trade-offs clearly to both technical and business stakeholders.
Frequently asked questions
Curious about SOAP? Here are the answers that come up again and again.
SOAP is used for structured, contract-based communication between enterprise systems. Companies use it for transactions, data exchange and service integration where WSDL contracts, XML schemas, security controls and detailed fault handling are important.
SOAP provides a formal messaging model with WSDL, XML and established extensions for security and reliability. REST is usually simpler and lighter for public or resource-oriented APIs, but SOAP can be the better fit when strict contracts, enterprise policies or existing integrations determine the design.
A capable SOAP specialist should understand WSDL, XSD, XML namespaces, SOAP headers and fault messages. Experience with Java JAX-WS, .NET WCF, middleware, certificates, WS-Security and automated integration testing is also valuable.
The right level depends on the integration risk, not only on the interface count. A straightforward client connection may need focused contract and testing knowledge, while a legacy migration or security-sensitive service calls for a professional who can trace dependencies, preserve compatibility and manage production concerns.
SOAP projects can usually be handled remotely when the specialist has secure access to repositories, service environments, logs and test endpoints. On-site collaboration in Essen can help with restricted networks, complex partner testing or workshops involving teams that own connected enterprise systems.
Ask how the professional approaches WSDL changes, XML validation, SOAP faults and backward compatibility. Request examples of integration tests and incident diagnosis, and check whether they can explain security, deployment and monitoring decisions in terms your team can verify.
SOAP remains relevant when a required partner service, enterprise suite or regulated workflow already uses it. For a new interface, teams should compare its contract and security strengths with REST, messaging systems or other options instead of choosing solely from habit.
Common SOAP tooling includes SoapUI for request and contract testing, XML schema validators, WSDL inspection tools and platform libraries such as JAX-WS or WCF. Strong professionals also use application logs, packet or message tracing and automated tests to verify behavior beyond a single successful request.
The average hourly rate of freelancers in Essen, Germany who have used SOAP in their recent projects is 106 €, which corresponds to a daily rate of about 851 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used SOAP in their recent projects, 88% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used SOAP in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 3.5 years.
The most common languages among freelancers in Essen, Germany who have used SOAP in their recent projects are German (100%), English (100%), and French (50%).
The most common industries among freelancers in Essen, Germany who have used SOAP in their recent projects are Information Technology (75%), Banking and Finance (63%), and Manufacturing (63%).
The most common business areas among freelancers in Essen, Germany who have used SOAP in their recent projects are Information Technology (100%), Project Management (100%), and Quality Assurance (88%).
Main locations of FRATCH Experts, who have recently used SOAP
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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Hamburg 
Munich 
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Frankfurt 
Stuttgart 
Dusseldorf Countries:
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