Arquillian Experts in Germany
for reliable integration testing, matched in minutes with vetted freelancersHire experts who test Java enterprise applications inside real containers, combine Arquillian with JUnit and ShrinkWrap, and validate CDI, JPA, REST or Jakarta EE deployments. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Arquillian
Sabahattin K.
Last position:
Sole responsibility (design, development, infrastructure, operations) at Own project busik.ch
- Ride-sharing and bus platform, live and fully functional. Backend with Spring Boot 4.1 on Java 21, PostgreSQL with Flyway, and Testcontainers integration tests. Hosted in my own AWS account (ECS Fargate, ALB, ECR, IAM Least-Privilege) with CI/CD via GitHub Actions and OIDC federation without static credentials. Development fully AI-supported with Claude Code, including custom skills and project-specific memory. Spring Boot · Java 21 · PostgreSQL · Flyway · Docker · AWS ECS/ALB/ECR · CI/CD · GitHub Actions · Claude Code
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
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
Ingo D.
Last position:
Analytics at BaFin - Federal Financial Supervisory Authority Frankfurt
- Introduction of methods for developing and automated deployment of cloud-native software and machine learning applications in OpenShift clusters
- Development of various programs in Python
- Technologies: Kubernetes, OpenShift, Kustomize, ArgoCD, Tekton, Docker, PodMan, Airflow, IntelliJ, PyCharm, Git, Bitbucket, Jira, Confluence, Python
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
Mani Y.
Last position:
Full-Stack Developer at Continentale Krankenversicherung a. G.
- Set up the new digitization strategy.
- Using Camunda as a process engine, a new way of handling batch and dialog tasks is created.
- In close cooperation with the business department, the individual processes are created and put into production.
- Forms for controlling manual interventions, e.g. when adjusting applications, are implemented.
- Gradual migration of old code from IBM WebSphere to JBoss.
- Skills: Arquillian, Camunda, Initiative, Empathy, Hibernate, Jackson, Java/JEE, JBoss, Jersey, JSON, JUnit, Openness to criticism, Willingness to learn, REST, Teamwork, WebServices.
Michael K.
Last position:
Atruvia AG
- Further development of framework components and services in the Enterprise Banking Control Platform (EGP Framework), a set of cross-cutting libraries and services for all bounded context scopes of the platform.
- Migration from Java 17 to Java 21 and from Spring Boot 3.2 to 3.4 in about 80 library and service repositories (updating Maven POMs, Dockerfiles, Jenkins pipelines, source code migration, test updates).
- Writing unit and integration tests with JUnit and JGiven.
- Performing and analyzing performance measurements with Dynatrace.
- Enhancing multi-stage CI/CD pipelines (unit tests, security analyses, Docker builds, Harbor deployments, ...).
- Tech stack used: Java (90%), Python (10%), Spring Boot, JPA/Hibernate, JGiven, OpenAPI, Camunda 7, Podman, OpenShift/Kubernetes, Oracle DB, SonarQube, Dynatrace, Jenkins, Harbor, Bitbucket, Jira, Confluence.
Martin Z.
Last position:
Consulting, Design and Development at ivv GmbH
- Design, development and maintenance of a web application as a policy management system based on a JEE backend and a Vaadin-based UI
- Design and development of interfaces
- Integration of databases
- Design and development of unit and integration tests
- Conceptual coordination with the client
- Technologies and methods: JEE, Vaadin, EJB, Innovator, Hibernate, REST, JMS, SQL, MQ, Maven, Selenium, Arquillian, Mockito, JUnit, Log4j, OOA, OOD, Scrum, Kanban, JavaScript, HTML, CSS, Jenkins, Jenkins Pipelines, Git, GitLab, Subversion, Jira, Confluence, DB2, WebLogic
Radovan R.
Last position:
Development and Technical Architecture at HDI
Web application for contract changes
Micro frontend development from scratch through production with a Reactive Forms basis, Responsive Web Design, validation, multilingual support, accessibility, unit tests and component tests
Technologies: Angular 19-20, Nx, Angular CLI, Native Federation, TypeScript, HTML, SASS, Tailwind CSS, Angular Material, Reactive Forms, RxJS, Signals, PDF-Make, ng-openapi-gen, i18n, JSON Server, REST, JWT, Jest, Playwright, IntelliJ, Git, CI/CD with GitLab, Cloud Foundry, Nginx; Scrum
Thomas R.
Last position:
Architect, Developer at Oberlandesgericht Stuttgart – IuK FZ Justiz
Backend development including architecture
Creating a documentation platform
Training employees in Java/Git/Container
Exploring new technologies
Tools: IntelliJ
Tools: Git
Languages and technologies: Java 21
Languages and technologies: Spring Boot 3.4
Languages and technologies: Oracle DB
Languages and technologies: Websockets/REST
Languages and technologies: JSON
Languages and technologies: Liquibase
Languages and technologies: Keycloak
Languages and technologies: OAuth2
Languages and technologies: Docker/Podman
Languages and technologies: OpenShift
Languages and technologies: Micrometer/OpenTelemetry
Languages and technologies: Grafana Loki
Languages and technologies: Grafana Mimir
Languages and technologies: Grafana Tempo
Languages and technologies: Grafana dashboards
Languages and technologies: Vue.js 3
Claus K.
Last position:
Developer, Architect at Freelance Developer
Discover over 15,000 top freelancers
Statistics of experts using Arquillian
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
2.6 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Project Management, Operations
Bachelor's degree or higher
100%
Master's degree or higher
57%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 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 Arquillian
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Arquillian 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 (100%)
- Banking and Finance (70%)
- Government and Administration (70%)
- Insurance (60%)
- Automotive (50%)
- Transportation (50%)
- Energy (40%)
- Manufacturing (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Arquillian does
Arquillian is an open-source testing framework for Java applications that need to run inside a real or embedded container. Instead of testing only isolated classes, it deploys test archives and executes checks against the runtime that hosts CDI, JPA, transactions, security and web endpoints. This makes it useful for integration and functional tests where container behaviour matters.
Core ecosystem
Arquillian connects test code with runtimes such as WildFly, JBoss EAP, Payara, GlassFish, Open Liberty and other Java or Jakarta EE containers. Specialists commonly work with JUnit, TestNG, ShrinkWrap, Maven and Gradle, while adapters and protocol choices determine how tests communicate with the target environment. Knowledge of CDI, persistence, REST and application packaging is often essential.
Typical deliverables
Arquillian specialists create test suites that deploy realistic application archives and verify behaviour across container boundaries.
- Container-based integration tests for Jakarta EE and Java EE applications
- ShrinkWrap deployment archives with controlled test data and dependencies
- CDI, JPA, transaction, security and REST endpoint validation
- Maven or Gradle test workflows for local and continuous integration runs
- Runtime configuration, test isolation and failure diagnostics
When companies need help
Companies bring in freelance Arquillian expertise when unit tests pass but failures appear during deployment, injection, persistence or transaction handling. Specialists can modernise Java EE test suites, move tests between application servers, or establish reliable coverage for a new service. In Germany, this support often fits teams maintaining enterprise systems in manufacturing, finance, logistics or public services.
What strong specialists know
Good Arquillian professionals understand both the test and the container. They can explain which behaviour belongs in a unit test, an integration test or an end-to-end scenario, then keep deployments small enough to remain maintainable. They also trace classloading, dependency, lifecycle and environment problems instead of masking them with fragile test setup.
Working with remote experts
Arquillian work is well suited to remote collaboration when the repository, build pipeline and test environments are accessible. Clear documentation of container versions, Java settings, database dependencies and deployment commands prevents avoidable delays. On-site workshops can help when a restricted runtime or complex infrastructure is involved, while English is common and German may support closer collaboration with local teams.
Frequently asked questions
Before you brief your next project: the most common questions about Arquillian.
Arquillian is used to test Java applications inside a real or embedded application container. It is especially useful for checking CDI injection, JPA persistence, transactions, security, REST endpoints and deployment behaviour that isolated unit tests cannot reproduce.
Arquillian complements tools such as JUnit and Mockito rather than replacing them. JUnit can organise tests and Mockito can isolate dependencies, while Arquillian deploys selected application components into a container so the runtime integration is tested realistically.
A strong Arquillian specialist usually understands Java, Maven or Gradle, JUnit or TestNG, and ShrinkWrap. Experience with CDI, JPA, REST, application packaging, container configuration and continuous integration is also valuable because failures often cross several of these layers.
Arquillian projects need practical experience with the target container and the application’s deployment model, not just familiarity with test annotations. The right level depends on whether the assignment covers a small test suite, a migration between runtimes or a broader redesign of enterprise integration testing.
Arquillian work can usually be done remotely when specialists can access the codebase, build pipeline and required test containers. Teams in Germany should document runtime configuration, credentials, databases and network restrictions clearly; on-site sessions may still help with protected infrastructure or complex environment setup.
Arquillian remains relevant when a project needs tests to run within Jakarta EE or Java EE container services. The exact adapter and namespace details should match the application server, API level and migration path, so specialists should confirm compatibility before extending an existing suite.
Look for Arquillian tests that create focused deployments, clean up their data and fail with useful diagnostics. Review whether the suite separates unit, integration and end-to-end concerns, runs consistently in the intended container, and avoids hidden dependencies on a specialist’s local machine.
Arquillian tests can become fragile when every test deploys a large archive, depends on shared state or assumes one local container configuration. Experienced specialists reduce the deployment scope, isolate test data, control lifecycle settings and keep the container environment close to the one used in delivery.
The average hourly rate of freelancers in Germany who have used Arquillian in their recent projects is 100 €, which corresponds to a daily rate of about 802 € based on an 8-hour working day.
Of the freelancers in Germany who have used Arquillian in their recent projects, 100% hold at least a Bachelor's degree and 57% hold at least a Master's degree.
On average, freelancers in Germany who have used Arquillian in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Germany who have used Arquillian in their recent projects are German (100%), English (100%), and Spanish (10%).
The most common industries among freelancers in Germany who have used Arquillian in their recent projects are Information Technology (100%), Banking and Finance (70%), and Government and Administration (70%).
The most common business areas among freelancers in Germany who have used Arquillian in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (80%).
Main locations of FRATCH Experts, who have recently used Arquillian
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
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
