SoapUI Experts in Cologne
for reliable API testing, matched in minutes with vetted and available freelancersHire experts who validate SOAP and REST services, create reusable API test suites, and connect testing with CI pipelines and service virtualization. FRATCH matches you quickly and precisely with vetted, available freelancers for your SoapUI project.
Meet FRATCH Experts in Cologne, who have recently used SoapUI
Joaquim L.
Last position:
SAP Senior ABAP Developer
SAP Data Migration Greenfield QM
In the QM module project, the focus was on migrating inspection plans and transferring Dynpro applications from the ECC system to the HANA system while adhering to development guidelines and clean code principles. The project involved the use of technologies and concepts such as ABAP Objects (ABAP OO), Clean Code practices, SMOD/CMOD enhancements, User Exits, Function Exits, BAdIs, interfaces, and classes. Writing complex reports for download and upload of change pointer information of inspection plan header.
Burhan D.
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Predrag P.
Last position:
Test Developer | Test Automation Engineer at CreditReform
Technologies: Java 25, Selenium, Insomnia, SSO, Gitlab, Jenkins, Docker, Kubernetes, Jira, IntelliJ, Nexus, Oracle, MariaDB, SpringBoot, Grafana, Concept Board, Vue.js, OpenApi, Kotlin. Implementation, maintenance, and enhancement of automated end-to-end regression tests for UI and API interfaces. Appropriate and targeted test automation involving multiple software products, including Java-based Windows applications. Automation of business processes with Selenium, reset jobs, and DB import jobs, as well as creation of test concepts, test case descriptions, and structured defect reporting.
Alexander K.
Last position:
Software Tester at Buhl Tax Service GmbH
- AI-assisted creation of test cases and test data
- Creation of test cases based on requirements
- Execution of manual tests
- Defect documentation, retesting and tracking
Technologies & Tools: SCRUM, Jira, Confluence, Zephyr Scale
Rainer L.
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
Assessment of the current state
Evaluation of Redgate Flyway functionalities
Concept development
Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence
Knowledge: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases
Hooman B.
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
Stefan M.
Last position:
Bundesrechtsanwaltskammer
- Design, planning and execution of complex acceptance tests for a document exchange platform for the German justice authorities.
- Validation of decrypted and certificate-based message exchange via web platform, mobile app, and Java API.
- Documentation of test cases, execution steps, and test results.
- Technologies: Windows 11/10, Ubuntu, iOS, Android, Bash for Windows, Java 17, IntelliJ, Git, Jira, Confluence, Citrix Server, xJustiz standard implementation, specific justice software.
Christoph S.
Last position:
Test Manager at Logistics
- Coordination and planning, execution, documentation, and analysis of test cases
- Development of test concepts considering best practices (e.g., test pyramid) with a focus on reliable, automatable test runs
- Implementation and maintenance of test cases according to the test concepts
- Technologies: Citrix Workspace, Shopify, Jira, Xray, MS Teams, MS SharePoint, Confluence, MS Office 365
Allal K.
Last position:
Java Senior Full Stack Developer at Insurance ÖRAG
- Further development of a policy administration system (contract/claims) for the legal expenses insurer ÖRAG.
- My role: Senior Software Developer.
- The team consists of 12 developers.
- Technologies used: Java 8/21, Java EE, Quarkus, WebLogic, JPA, RabbitMQ, JTA, CI, CD, Jenkins, DB2, Maven, Jenkins, GIT (bitbucket) later GitLab, Junit, Elasticsearch, Mockito, Jira, SonarQube, Scrum, React, Workflow
- Migration and modernization of legacy systems: rewrote C and C++ code in Java to improve maintainability, scalability, and performance. Refactored Python into Java, including optimization and integration into modern architectures.
- Study on the use of AI (Codex) for implementing a Java feature. The goal is to compare the time spent and productivity of AI-supported development with a classic implementation by a developer. The results should show how strongly the use of AI affects development time and efficiency.
- Development of the following tariff calculators for the years 2024/2026: private, companies, doctors, farmers, owner-occupied G + H, landlords, traffic, club, top managers, sales representatives, special criminal law, savings bank, municipal, BayGT, doctors, Dehoga
Alexander R.
Last position:
Business Analyst at Financial Services Provider Landesbank
The Helaba ATLAS project aims to modernize core systems and make them future-proof. As part of the subproject, the existing legacy system for international payments is being replaced by a modern web-based application.
- Analysis of functional and technical requirements
- Analysis and optimization of business processes
- Process modeling
- Preparation and facilitation of workshops
- Defining project scope and prioritizing requirements
- Business process management (analysis, modeling, and optimization)
- Specification of user stories
- Designing business and authorization concepts
- Testing and acceptance
- Designing mockups in Figma
- Creating the UI/UX style guide for web applications Approach: Scrum (agile) Technologies: Jira, Confluence, MS Teams, Conceptboard, Java, Vaadin, Figma
Kai B.
Last position:
Freelance CPQ Consultant (Full-Time) at Freelance CPQ Consultant
- Independent CPQ consulting for a portfolio of industrial manufacturers, including Scheidt & Bachmann, Trützschler Group SE, and Weiss Klimatechnik GmbH (Schunk Group)
- Full project coverage: requirements analysis, concept, system design, implementation, testing, and international go-live support
- Deep integration work with SAP ECC (material master replication, SD document creation, material creation, general APICONNECT and other web service interfaces)
- Process consulting: analysis and optimization of internal quoting processes for sales and management
- Knowledge transfer/coaching and pair programming to strengthen internal team skills
Miroslav P.
Last position:
Managing Consultant at ICTT Digital Networks
TSI customer project data center migration (since 2024-07-01)
Inventory of active IT/OT components
Creation / management of the migration concept
Planning / execution of migration tests
Execution of the IoT migration (network, VPN gateway, firewall adjustments)
Service migrations (mobile services)
Re-design of outdated technologies / services
Integration into operations
Logistics Bus project at Daimler Truck and Mercedes Benz (2024-01-01 – 2024-06-30)
Development Lead / Technical Consultant for the Logistics Bus
Coaching of customers / TSI development teams and Product Owners
Creation / review of architecture designs and documentation
Project planning / customer meetings
Support for migrations from Java/WebSphere/JBoss to Kubernetes
Service Design Performance Visibility (2022-06-01 – 2023-10-31)
Performance Visibility service development, network monitoring service for internal Telekom customers
Planning/integration/expansion of PV monitoring for cloud environments (AWS, Microsoft Azure)
Design/planning/implementation of Performance Visibility services based on NetScout / Kadiska software in customer environments
Agile project management / execution of PoCs (Proof of Concepts)
Design / architecture / concept creation
Diagnosis of network problems
Packet capturing / debugging
Creation of customer and training documentation
Last position:
Rewe Digital
- Creation of Spring Boot integration tests
- Creation of JUnit tests for the coupon system
- Creation of component tests for Kafka topics
- Creation of CI/CD pipeline scripts
- Creation of UI tests with Playwright
- Creation of UI tests with Cypress
- Review of developer unit tests
- Planning the test architecture for integration tests
- Creation of the test automation concept
- Evaluation and creation of test reports
Jacqueline K.
Last position:
OTTO
- Design, development, and monitoring of microservices
- Migrating functions from a monolithic system into separate microservices
- Designing and implementing new microservices (backend and frontend)
- Setting up and maintaining a CI/CD pipeline (GitHub Actions)
- Configuring cloud infrastructure with AWS CDK and Terraform
- Designing and implementing event-driven communication with AWS SNS/SQS and Apache Kafka
- Ensuring code quality through Test Driven Development (TDD), static code analysis, and Clean Code
Discover over 15,000 top freelancers
Statistics of experts using SoapUI
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 21 years)
Position duration
1.6 years (Germany: 1.9 years)
Positions per freelancer
19 (Germany: 16)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
100% (Germany: 92%)
Master's degree or higher
70% (Germany: 44%)
Certifications per freelancer
7 (Germany: 4)
Most common languages
German, English, Croatian
Speak two or more languages
100% (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 Cologne 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 Cologne using SoapUI
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.
SoapUI 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 (93%)
- Banking and Finance (64%)
- Retail (57%)
- Automotive (50%)
- Insurance (50%)
- Transportation (50%)
- Government and Administration (50%)
- Manufacturing (43%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
API Testing Foundation
SoapUI is a desktop tool for testing SOAP and REST APIs. It lets teams send requests, inspect responses, validate XML or JSON, and check service behavior without building a separate test client. It is useful for functional, integration, regression, and contract-focused API testing across development and quality assurance workflows.
SOAP and REST Workflows
SoapUI supports structured SOAP services as well as REST endpoints with different request methods, parameters, headers, authentication schemes, and payload formats. Strong specialists model realistic service flows, chain dependent requests, manage environments, and verify both positive and failure responses. They also handle namespaces, WSDL definitions, JSON paths, XML paths, and schema-based assertions.
Tooling and Ecosystem
The wider SoapUI ecosystem includes SoapUI Open Source, ReadyAPI, SoapUI Pro capabilities, Groovy scripting, and command-line test execution. Professionals often connect suites with Maven, Jenkins, Git, Docker, test data systems, and reporting tools. Service virtualization can help teams test integrations when external systems are unstable, costly, or not yet available.
Where Companies Use It
SoapUI appears wherever internal or external services must exchange dependable data. Common settings include financial services, insurance, logistics, retail, healthcare, public administration, and enterprise integration landscapes.
- Validate SOAP operations from WSDL contracts
- Test REST resources and authentication flows
- Run regression suites against changing environments
- Verify service integrations before release
When Specialist Support Helps
Companies bring in freelance SoapUI specialists when an API estate lacks reliable coverage, legacy SOAP services are difficult to understand, or releases depend on fragile integrations. They can establish test structure, convert manual checks into repeatable suites, prepare realistic test data, and make failures easier to diagnose. In Cologne, remote delivery often works well, while workshops with local teams may benefit from on-site collaboration and clear German or English communication.
- Existing tests are slow, brittle, or hard to maintain
- New APIs need coverage before a launch
- External dependencies block integration testing
- CI results do not give teams actionable feedback
Qualities of Strong Professionals
A strong SoapUI professional understands more than the interface. They read service contracts, reason about distributed systems, inspect network behavior, and write maintainable Groovy assertions when built-in checks are not enough. They distinguish application defects from environment, data, authentication, and transport problems. Clear documentation, useful test naming, version-controlled assets, and traceable results are essential deliverables.
Frequently asked questions
The facts hiring teams ask for most often when it comes to SoapUI.
SoapUI is used to test SOAP and REST APIs by sending requests, checking responses, and validating service behavior. Companies use it for functional, integration, regression, and data-driven testing across internal and external systems.
SoapUI is especially well suited to SOAP services, WSDL-driven testing, complex assertions, and structured regression suites. Postman is often preferred for lightweight REST exploration and collaboration, while the right choice depends on service complexity, existing tooling, and release processes.
A strong SoapUI specialist should understand HTTP, XML, JSON, WSDL, XPath, JSONPath, authentication, and service virtualization. Groovy scripting, SQL, Git, Maven, Jenkins, and container-based test environments are also valuable for repeatable delivery.
The required depth depends on the service landscape, not on a fixed number of years. For a simple REST suite, practical API testing ability may be enough; legacy SOAP integrations, asynchronous flows, complex environments, and CI automation call for a specialist who has handled comparable systems.
Yes, most SoapUI work can be completed remotely because test assets, service definitions, repositories, and CI systems are accessible digitally. On-site sessions in Cologne can still help with access setup, architecture workshops, and coordination with teams that prefer German or English communication.
A SoapUI professional may deliver organized projects, reusable test cases, environment configurations, assertions, test data, scripts, and execution documentation. For automated delivery, the scope may also include command-line runs, CI integration, reports, and guidance for maintaining the suite.
Review whether SoapUI tests cover realistic business flows, failure paths, authentication, data variation, and integration boundaries. Good work produces stable, readable tests with meaningful assertions and failure messages rather than a large collection of brittle request recordings.
SoapUI Open Source can cover hands-on SOAP and REST validation and many scripted test needs. ReadyAPI adds broader commercial capabilities for team collaboration, data-driven testing, service virtualization, reporting, and centralized test management, so the decision should follow the project workflow and governance needs.
The average hourly rate of freelancers in Cologne, Germany who have used SoapUI in their recent projects is 95 €, which corresponds to a daily rate of about 761 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used SoapUI in their recent projects, 100% hold at least a Bachelor's degree and 70% hold at least a Master's degree.
On average, freelancers in Cologne, Germany who have used SoapUI in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Cologne, Germany who have used SoapUI in their recent projects are German (100%), English (100%), and Croatian (14%).
The most common industries among freelancers in Cologne, Germany who have used SoapUI in their recent projects are Information Technology (93%), Banking and Finance (64%), and Retail (57%).
The most common business areas among freelancers in Cologne, Germany who have used SoapUI in their recent projects are Information Technology (100%), Product Development (93%), and Quality Assurance (86%).
Main locations of FRATCH Experts, who have recently used SoapUI
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 
Frankfurt 
Essen Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
