TestNG Experts in Germany
for reliable test automation, matched in minutes with vetted and available freelancersHire experts who design maintainable Java test suites, configure TestNG annotations and data providers, and connect automated checks with CI pipelines. FRATCH finds a precise match quickly among vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used TestNG
Robert D.
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 integration into a solid testing strategy
- Team: Small specialized team (3-5 people) from analysis through 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
Marcus B.
Last position:
Java and Quarkus Expert at Large German energy service provider
- Modernization of a large-scale Java enterprise application*
The project is modernizing a complex enterprise application that has grown over many years. The existing Spring-based legacy system runs on Java 8, OSGi, and Eclipse RCP and is being gradually migrated to a modern, maintainable architecture with Java 25 and Quarkus.
Marcus works on analysis, architecture, refactoring, and implementation. One focus is on untangling historically grown structures and dependencies and on building a clean, sustainable Java and Quarkus technology stack.
Tools & technologies: Java 8, Java 25, Quarkus, Hibernate ORM with Panache, EclipseLink, OSGi, Eclipse RCP, Maven, JUnit, Mockito, REST, JSON, Git, Eclipse IDE, IntelliJ IDEA Ultimate, Jira, Confluence
Johannes E.
Last position:
E2E Test Manager / Technical Project Manager at Sky Media GmbH
Iterative test planning
Provision of the test infrastructure
Resource planning
Test concept development
Coordination of the test teams
Defect management
Release management
Project planning
Cohort planning
Test planning
Test execution
Trial test planning
Rollout
Business analysis
Requirements engineering
Change management
E2E test coordination
Osman T.
Last position:
Senior Architect, DevOps Engineer at genPsoft GmbH
IT consulting, analysis, architecture design, new and further development, code review, test automation, continuous integration, continuous delivery in backend and frontend areas for Automotive Project Instavalo.
Frontend:
- Implementation of UI components according to specifications, especially style guides and responsive design eith React and Typescript
- Component testing
- Code documentation
- CI/CD with Gitlab Pipeline
Backend / IoT:
- Analysis and architectural design with AWS Greengrass IoT on Edge Devices
- Setting up Microservices containers with Docker Compose on Edge device with AWS Greengrass and AWS IoT IAM, Token Exchange Service, Ansible
- CI/CD with Gitlab Pipeline, Terraform, AWS ECR
- Logging with Fluentbit Lua Language for AWS Cloudwatch
- Python Lambda for AWS Greengrass Recipe deployment on Edge Devices
- Implementation of test-driven development with JUnit, Mockito, and code Coverage
- Jacoco
- Definition of REST interfaces with OpenAPI / Swagger
- Development and enhancement of software based on Java Quarkus, Typescript NestJs NodeJs and Python
- Authentication and authorization in Aws IAM
- Development of REST and gRPC interfaces for the frontend and backend
- Implementation of Maven dependencies with DevSecOps OWASP
- Spring AI, Jetbrains AI Assistant, Junie, Github Copilot, Claude Code, Agents, Skills, Command, Hooks, Subagents
Hassan A.
Last position:
DevOps & Observability Consultant at ALDI South (Albrecht's Discount)
- Supporting the DevOps team in Terraform-managed, multi-region AWS infrastructure to achieve environment parity.
- Developed end-to-end CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy, automating the build and deployment.
- Maintained pre- and post-deployment scripts to automate critical tasks such as database schema migrations and environment sanity checks.
- Implemented CI/CD flow specifically for hotfixes via separate Git branches, managing back-merge activities from feature branches to release branches to ensure code integrity through automated conflict resolution.
- Deployed a dedicated, lightweight sanity check application hosted cost-effectively on Azure Container Apps to run automated health and basic functional checks as a post-deployment activity triggered via pipeline.
- Investigated production incidents through code changes and AWS CloudWatch logs.
- Coordinated integration of Dynatrace APM and its APIs for monitoring purposes.
- Full stack QA strategist for a high-traffic e-commerce platform built on a layered architecture for the back-end testing of core platform services, especially the order management system in Zed and Glue layers.
- Managed automation activities, testing process, and refactoring practices.
- Responsible for framework migrations, setup, and training for new automation frameworks.
- Promoted a shift-left approach within the QA team and created the test concept.
- Participated in meetings with IT managers, business owners, product owners, and team members.
- Designed and implemented contract testing to validate API schema compatibility between the order management system and the Zed and Glue layers, reducing production-relevant breaking changes by approximately 3%.
- Led the migration to a multi-environment framework that enabled test execution across 4 country configurations from a single codebase.
- Integrated automated unit and functional tests directly into the GitLab CI/CD pipeline, reducing pipeline runtime by 32%.
- Coached and trained 5 QA engineers across Germany and Hungary in test automation, framework architecture, and best practices.
- Architected a layered backend test automation framework separating business logic, API request builders, and the database layer.
- Piloted AI-assisted testing with Playwright Agents, the Playwright MCP Server, and GitHub Copilot for automated test generation, execution, and self-healing Playwright scripts.
Muhammad Y.
Last position:
SynQ × AutoStore
- Enterprise WMS customisation for Albert Heijn and EDEKA.
- Owned end-to-end test planning, automation, and performance validation for logistics automation software serving high-volume grocery warehouse operations.
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.
Jens O.
Last position:
Freelance Java Developer / DevOps Engineer at Unpublished defense company
- Extension of OSGi modules in a complex communication solution
- Debugging communication with Wireshark and remotely in the JENS test environment
- Migration of tests from TestNG to JUnit 5 with Mockito and AssertJ
- Updating vulnerable dependencies and improving code quality
- Changes to the Vaadin frontend
- Increasing test coverage
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
Patrick W.
Last position:
AI Software Engineer at IppenMedia
- Analysis
- Consulting
- Software design
- Development
- Automation
- Testing
- Deployment
- Architecture, development and deployment of various proof-of-concept applications around the integration of current AI interfaces including conversational, realtime voice, images and videos
- Developed best practices for working with agentic systems and AI in practice
- Created code templates
Nikunjkumar P.
Last position:
Senior Java Backend Developer at Questax Professionals GmbH
- Provide the Price Listing Service team with prices for all cars and vans in different markets
- Adapt market-specific requirements such as taxes, government subsidies, campaigns
- Import and synchronize new prices for all new and existing cars and store them in the Redis datastore
- Support our product and on-call duty
- Daily business, development of new features, bug fixing
- Pair programming, code review, mob programming
- Develop POCs for new ideas
- Maintain and extend the backend
- DevOps tasks
- Run Kubernetes updates
- Adjust and further develop Kubernetes resources
- Develop and adapt Helm charts
- Adapt and update ArgoCD
- Maintain, adapt, and improve CI/CD
Sai K.
Last position:
QA Engineer at Pharoscion Global Solutions
- Worked on an Internet Banking System enabling secure customer transactions (fund transfers, bill payments, balance inquiries) and bank-side operations (account management, approvals).
- Designed and executed manual and automated test cases for functional, regression, and integration testing across web and mobile platforms.
- Automated end-to-end banking workflows using Selenium WebDriver, Java, and TestNG, and performed REST API testing with Postman for backend validation.
- Built and maintained test automation frameworks using TestNG and Maven, and integrated with Jenkins CI/CD for continuous testing and reporting.
- Generated detailed test execution reports with ExtentReports, including logs and screenshots for audits and stakeholders.
- Collaborated in agile teams, contributing to UAT, test planning, and documentation across sprints.
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
Marius T.
Last position:
Senior IT Project and Process Manager at Sunnic Lighthouse GmbH
Thorough process analysis to identify weaknesses and assess optimization potential
Precise modeling of business processes using BPMN 2.0
Creation of detailed requirements and functional specifications to document use cases
Comprehensive gathering of existing company processes
In-depth process analyses to uncover potentials
Moderation and facilitation of workshops with subject matter experts and executives
Taking on project management for selecting and implementing a new ETRM system environment
Anastasiia K.
Last position:
Senior Test Automation Engineer at E.ON
- Reviewing functional and technical requirements from a testing perspective
- Creating test cases and automated tests to validate requirements
- Performing manual and automated functional, end-to-end, and regression tests
- Documenting test results and tracking defects
- Using models like GPT-4, BERT, and Hugging Face Transformers for automated test case generation, analysis of test results, and improving test coverage, including bias checks and security reviews
- Techs: MS Office, Jira, Zephyr, Confluence, Tosca, stakeholder communication, Agile, Kanban, Scrum, OpenAI API, Hugging Face, PyTorch, LangChain.
Discover over 15,000 top freelancers
Statistics of experts using TestNG
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
2.1 years
Positions per freelancer
11
Top business areas
Information Technology, Quality Assurance, Product Development
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Quality Assurance, Project Management
Bachelor's degree or higher
90%
Master's degree or higher
52%
Doctorate
13%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
95%
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 Germany 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 Germany using TestNG
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.
TestNG 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 (98%)
- Banking and Finance (60%)
- Retail (52%)
- Automotive (43%)
- Insurance (40%)
- Transportation (38%)
- Government and Administration (36%)
- Professional Services (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
TestNG in Java testing
TestNG is a Java testing framework inspired by JUnit and designed for flexible, structured test execution. It supports annotations, groups, dependencies, parameterized tests, data providers, suites and parallel runs. Companies use it to validate unit-level behavior, integration flows, APIs and browser-based applications.
Suites and execution
TestNG organizes tests through Java annotations and XML suite files. Specialists define setup and teardown stages, control execution order, isolate groups and configure listeners for reporting or custom behavior. This makes complex regression suites easier to run locally and in continuous integration environments.
- Build reusable test classes with clear lifecycle hooks
- Split smoke, regression and integration coverage into groups
- Run data-driven scenarios with providers and parameters
- Configure parallel execution without hiding test failures
Ecosystem and tooling
TestNG commonly works with Maven or Gradle for dependency and build management. It integrates with Selenium WebDriver, REST-assured, Appium and browser automation stacks, while listeners and reporters connect results to CI systems and quality dashboards. Java, version control, GitHub Actions, Jenkins or GitLab CI often belong to the surrounding delivery workflow.
When expertise helps
Companies bring in freelance specialists when an existing suite has become slow, flaky or difficult to extend. They may need help migrating from JUnit, introducing API coverage, stabilizing browser checks or connecting test results to a delivery pipeline. In Germany, this work appears across software products, industrial systems, finance and connected devices, with remote collaboration often supported by clear English or German documentation.
- Reduce unreliable tests and unclear failure messages
- Establish a practical automation structure for a new product
- Improve coverage without duplicating test logic
- Prepare suites for parallel CI execution
Strong TestNG specialists
Strong professionals understand testing strategy as well as framework syntax. They choose meaningful boundaries, keep test data isolated, handle asynchronous behavior carefully and make failures reproducible. They also review build logs, inspect reports, and explain which checks protect critical user and business flows.
Choosing the right fit
Review examples of Java test suites, CI configurations and reporting workflows rather than looking only for familiarity with TestNG. Ask how the specialist handles flaky tests, environment differences, dependencies and test data. A good fit can explain trade-offs between TestNG and JUnit, work with the existing application team, and leave behind readable tests that others can maintain.
Frequently asked questions
What clients ask us most about TestNG — answered in short.
TestNG is a Java testing framework for organizing and running automated checks. It supports annotations, test groups, dependencies, data-driven scenarios, suite configuration and parallel execution, making it suitable for unit, integration, API and browser testing.
TestNG and JUnit both support Java test automation, assertions and lifecycle methods. TestNG is often chosen for suite grouping, dependencies, flexible parameters and XML-based execution control, while JUnit is common in projects that prefer its simpler conventions and broad modern ecosystem.
A strong TestNG specialist usually brings Java, Maven or Gradle, version control and continuous integration experience. Selenium WebDriver, REST-assured, Appium, SQL and test reporting can also matter, depending on whether the project covers web interfaces, APIs, mobile flows or data-heavy systems.
The right level depends on the scope and condition of the test suite. A contained extension may need someone comfortable with Java and existing conventions, while a framework redesign calls for deeper skill in test architecture, CI execution, parallelism and failure analysis.
TestNG work is often well suited to remote collaboration because code, test data and CI results can be shared through standard development tools. On-site sessions may still help with environment access, domain workshops or coordination with teams that handle sensitive systems in Germany.
Ask for examples of readable suites, stable CI runs and useful failure reports. Good TestNG work isolates test data, avoids unnecessary dependencies, covers important risks and explains failures clearly instead of merely increasing the number of checks.
TestNG can be a strong choice when a project needs explicit groups, dependencies, data providers, suite files or controlled parallel execution. The decision should also consider existing JUnit coverage, team familiarity, reporting needs and the framework conventions already used by the build pipeline.
A TestNG specialist should clarify the application scope, current Java and build setup, test environments, CI provider, reporting expectations and ownership of test data. It is also important to identify flaky areas, existing framework conventions and whether the assignment focuses on new coverage, migration or suite stabilization.
The average hourly rate of freelancers in Germany who have used TestNG in their recent projects is 94 €, which corresponds to a daily rate of about 750 € based on an 8-hour working day.
Of the freelancers in Germany who have used TestNG in their recent projects, 90% hold at least a Bachelor's degree, 52% hold at least a Master's degree, and 13% hold a doctorate.
On average, freelancers in Germany who have used TestNG in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Germany who have used TestNG in their recent projects are German (98%), English (93%), and French (12%).
The most common industries among freelancers in Germany who have used TestNG in their recent projects are Information Technology (98%), Banking and Finance (60%), and Retail (52%).
The most common business areas among freelancers in Germany who have used TestNG in their recent projects are Information Technology (100%), Quality Assurance (83%), and Product Development (76%).
Main locations of FRATCH Experts, who have recently used TestNG
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 
Cologne Request a free demo
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Philipp Thomaschewski
FRATCH CEO
