
SoapUI Experts in Dusseldorf
for reliable API testing, matched in minutes with vetted and available freelancersHire experts who validate SOAP and REST services, create reusable functional and regression tests, and connect API checks with CI pipelines. Get fast, precise matching with vetted, available freelancers who fit your project needs.
Meet FRATCH Experts in Dusseldorf, who have recently used SoapUI
Humayun S.
Last position:
Senior Test Manager - Lead at Star Finanz GmbH
- QA Lead for end-to-end quality assurance of the Sparkasse & Sparkasse Business banking apps (iOS/Android); design and implementation of the Test Strategy including functional testing, regression testing, and UAT for eID, Push Notifications, and white-label components
- Creation and maintenance of test concepts and test plans in TestRail; structured Defect Management and error analysis; stakeholder management and risk management for the early identification of critical quality risks
- Accessibility Testing according to WCAG 2.1 (iOS/Android); coordination of AI-supported test automation and optimization of test processes to shorten release cycles
- Release Management: planning, management, and coordination of all test activities; status reporting to management and stakeholders; quality assessment of releases and release recommendations in an Agile/Scrum environment
- Challenge: Highly complex build and release process across several Sparkasse institutions; close coordination with the DevOps team to stabilize the CI/CD pipeline and ensure reproducible test builds before every release.
Tools: Jira, Confluence, TestRail, Android Studio, Xcode, Firebase, Jenkins, GA4
- Success: Successful launch of the eID authentication process - quality assurance ensured for 50+ Sparkasse institutions
Aleksei R.
Last position:
QA Engineer at Cybus GmbH
- Led QA and test automation for a distributed industrial IoT and data-integration platform connecting shop-floor systems with enterprise applications.
- Designed and maintained automated API and UI tests using Playwright, TypeScript, and Python, covering REST APIs, authentication, resource management, integrations, permissions, and end-to-end workflows.
- Tested distributed services, data pipelines, messaging infrastructure, containerized applications, and integrations across Kubernetes, OpenShift, Docker, and Docker Compose environments.
- Performed functional, integration, regression, endurance, resilience, load, chaos, and exploratory testing across complex distributed systems.
- Used Chaos Mesh and Toxiproxy for network fault injection, latency, packet loss, and partition scenarios to validate system resilience and failure handling.
- Automated infrastructure provisioning, configuration, and environment setup with Ansible and managed deployments using Kubernetes and Helm.
- Tested integrations with industrial protocols, messaging systems, databases, HTTP/REST APIs, and external enterprise systems using simulators, emulators, and dedicated test environments.
- Worked with MQTT, Kafka, SQL databases, InfluxDB, REST APIs, OAuth 2.0, JWT, LDAP, Active Directory, OpenLDAP, mTLS, TLS, MFA, SSO, and RBAC.
- Investigated and resolved 40+ defects across backend services, integrations, distributed components, and web applications, using AI-assisted analysis with Claude to accelerate debugging, test design, and root-cause investigation.
- Improved deployment reliability through Kubernetes/OpenShift configuration and health-check tuning and monitored distributed systems using Grafana, Prometheus, and Loki.
- Collaborated with developers and product teams on sprint planning, technical refinement, quality strategy, release testing, and continuous improvement.
- Applied AI-assisted and agentic testing approaches to expand automated coverage and identify complex edge cases.
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.
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
Esmail S.
Last position:
Senior Load and Performance Tester at Deutsche Bahn (DB-Netz)
- Design, development, and execution of load and performance tests for the PRISMA project
- Use of Apache Jmeter, Gatling, Apache ActiveMQ, Jms/Tibco Ems, SikuliX, Jython, Amazon AWS, PAN-Client
- Methods: load tests, test automation
Sebastian C.
Last position:
Public institution responsible for educational institutions in NRW
- Consulting on processes and execution of load tests, performance tests and technical tests of various applications: web portal, file cloud, email, video conferencing, learning/course platform
- Creating the load test framework
- Programming test scripts (JMeter, Selenium)
- Developing batches to support the evaluation
- Executing load tests and evaluating results, including clear reporting, recommendations for action, and bottleneck analysis
- Managing tasks and collaboration to achieve meaningful load test results
Discover over 15,000 top freelancers
Statistics of experts using SoapUI
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 21 years)

Position duration
1.5 years (Germany: 1.9 years)

Positions per freelancer
14 (Germany: 16)

Top business areas
Information Technology, Quality Assurance, Product Development

Top industries
Banking and Finance, Information Technology, Retail

Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 92%)
Master's degree or higher
60% (Germany: 44%)

Certifications per freelancer
5 (Germany: 4)

Most common languages
German, English, Russian

Speak two or more languages
83% (Germany: 97%)
Based on our profile pool as of 5 Nov 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Dusseldorf 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 Dusseldorf 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 5 Nov 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.
- Banking and Finance (100%)
- Information Technology (100%)
- Retail (83%)
- Automotive (50%)
- Transportation (50%)
- Government and Administration (50%)
- Telecommunication (50%)
- Insurance (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
API testing with SoapUI
SoapUI is a desktop tool for testing SOAP and REST APIs. It lets teams send requests, inspect responses, validate schemas, and verify service behavior without building a full client application. It is used for functional, regression, integration, and contract-focused testing across distributed systems.
SOAP and REST coverage
SoapUI supports WSDL-based SOAP services as well as REST endpoints with common request formats and authentication methods. Professionals define test steps, assertions, properties, environments, and data-driven scenarios. This makes one project useful across development, integration testing, and release validation.
- Validate XML, JSON, headers, status codes, and response times
- Test service operations from WSDL definitions
- Run parameterized scenarios across environments
- Check positive, negative, and boundary conditions
Ecosystem and tooling
The wider ecosystem includes SmartBear SoapUI, SoapUI Open Source, and ReadyAPI for expanded team and governance features. Strong specialists also work with Groovy scripts, XPath, JSONPath, XML schemas, REST clients, mock services, and test data. They connect SoapUI projects with build tools and CI systems when automated feedback is required.
When companies need specialists
Freelance expertise is useful when an API program has incomplete coverage, unstable service contracts, or complex environment dependencies. Companies also bring in specialists during migration from manual checks, platform integration, release recovery, or the introduction of service virtualization.
- Establish a maintainable API test structure
- Convert manual scenarios into reusable test cases
- Investigate inconsistent responses and environment failures
- Prepare tests for scheduled or pipeline-based execution
What strong professionals deliver
A capable SoapUI professional understands both the tool and the services under test. They separate test data from test logic, use clear assertions, control sensitive values, and design suites that remain readable as APIs change. They also document assumptions and explain failures in terms that product, delivery, and engineering teams can act on.
Collaboration in Dusseldorf
Projects in Dusseldorf may involve local workshops, remote delivery, or a combination of both. The right specialist can work with API owners, quality teams, integration partners, and business stakeholders across locations. German and English communication may both matter when service documentation, incident discussions, and acceptance criteria span international teams.
Frequently asked questions
Quick answers to the questions that come up most around SoapUI.
SoapUI is used to test SOAP and REST APIs by sending requests and checking responses against defined expectations. Teams use it for functional, regression, integration, and data-driven testing, including cases that are difficult to verify through a user interface.
SoapUI provides a structured project model for service testing, with strong support for WSDL-based SOAP services, assertions, mocks, and reusable test suites. Postman is often favored for exploratory API work, while REST Assured is more code-centric and fits teams that want tests maintained in a programming language.
A strong SoapUI specialist usually understands HTTP, XML, JSON, SOAP, REST, authentication, and service contracts. Groovy, XPath, JSONPath, SQL, CI tooling, test data management, and basic scripting can also be important for complex suites.
The right SoapUI freelancer depends on the scope, service architecture, and condition of the existing tests. A focused API test assignment may need strong hands-on tool knowledge, while a broad integration program calls for experience with environments, automation, debugging, and test governance.
SoapUI work is often suitable for remote collaboration because projects, service definitions, test data, and results can be shared digitally. On-site sessions in Dusseldorf can still help with workshops, access setup, release planning, or investigations involving several local teams.
ReadyAPI extends the SoapUI ecosystem with features suited to teams that need broader test management, advanced data handling, service virtualization, or governance. SoapUI Open Source can be a practical fit when a project needs core API test creation and execution without those additional capabilities.
Review whether SoapUI tests assert meaningful business and technical outcomes rather than only checking that a response exists. Good work has clear naming, isolated data, stable environment handling, useful failure messages, controlled secrets, and coverage of negative as well as successful flows.
Before using SoapUI, a freelancer should clarify the API specifications, authentication model, environments, test data, release process, and expected deliverables. They should also confirm whether the work covers SOAP, REST, or both, and whether execution must connect to an existing CI workflow.
The average hourly rate of freelancers in Dusseldorf, Germany who have used SoapUI in their recent projects is 92 €, which corresponds to a daily rate of about 738 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used SoapUI in their recent projects, 100% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used SoapUI in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.5 years.
The most common languages among freelancers in Dusseldorf, Germany who have used SoapUI in their recent projects are German (100%), English (83%), and Russian (17%).
The most common industries among freelancers in Dusseldorf, Germany who have used SoapUI in their recent projects are Banking and Finance (100%), Information Technology (100%), and Retail (83%).
The most common business areas among freelancers in Dusseldorf, Germany who have used SoapUI in their recent projects are Information Technology (100%), Quality Assurance (100%), and Product Development (83%).
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.
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