Arquillian Experts in Germany
for reliable enterprise testing, matched in minutesHire experts who design in-container tests, integrate Arquillian with JUnit or TestNG, and validate Jakarta EE or Java EE applications on real runtimes. Get precisely matched with vetted, available freelancers who can support remote delivery or on-site collaboration in Germany.
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
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
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
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
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
Ingo D.
Last position:
Analytics at BaFin - Federal Financial Supervisory Authority Frankfurt
- Introduction of approaches for developing and automatically deploying cloud-native software and machine learning programs 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
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 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 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 29 Oct 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
In-container testing
Arquillian is an open-source testing platform for Java enterprise applications. It runs tests inside the target runtime instead of relying only on mocked components, so teams can verify dependency injection, persistence, transactions, security and service integration in a realistic environment.
Runtime integration
Arquillian separates test logic from the container used to execute it. Its adapters support runtimes from the Jakarta EE and Java EE ecosystem, including application servers, servlet containers and embedded environments. Specialists configure deployments, archives, profiles and lifecycle controls for repeatable execution.
Test ecosystem
Arquillian works alongside familiar Java testing tools and build pipelines. Strong expertise often includes:
- JUnit or TestNG test design and assertions
- Maven or Gradle dependency and deployment configuration
- Jakarta EE, Java EE, CDI, JPA, REST and EJB testing
- Application server setup, containers and continuous integration
When expertise matters
Companies bring in freelance Arquillian specialists when unit tests pass but runtime behavior remains uncertain. Typical work includes modernizing legacy integration suites, adding coverage for distributed services, stabilizing intermittent container tests and connecting Arquillian execution to CI workflows. Germany-based teams may also value professionals who can work on-site for release-critical testing while coordinating remotely with international groups.
Delivery challenges
Arquillian tests can become slow or fragile when deployments are oversized, runtime versions drift or test data is not isolated. Experienced professionals keep archives focused, manage container lifecycle deliberately and separate fast tests from broader integration coverage. They also diagnose classloading, transaction boundaries, persistence state and environment-specific failures instead of masking them with excessive mocks.
Choosing a specialist
Look for evidence of testing applications inside the actual runtime, not only writing conventional unit tests. A strong professional explains why a test belongs in Arquillian, how the deployment is assembled and how failures are reproduced locally and in CI. Familiarity with Maven, Jakarta EE migration, application server diagnostics and test reporting is a practical advantage for teams hiring in Germany.
Frequently asked questions
Before you brief your next project: the most common questions about Arquillian.
Arquillian is used to test Java enterprise applications inside a real or embedded runtime. It helps verify container-managed behavior such as CDI injection, JPA persistence, transactions, security and REST integration, which isolated unit tests may not cover.
Arquillian complements tools such as JUnit and Mockito rather than replacing them. Unit tests are usually faster and more isolated, while Arquillian checks how several application components behave together inside an application server or other supported container.
A capable Arquillian specialist should understand Java, Jakarta EE or Java EE, Maven or Gradle, and the selected application runtime. Experience with JUnit or TestNG, CDI, JPA, REST services, containers and continuous integration is also valuable.
The required depth depends on the test environment and the condition of the existing suite. A small integration test expansion may need focused runtime and build knowledge, while migration, flaky-test remediation or complex deployment work calls for a specialist who has diagnosed container behavior in production-like systems.
Yes, Arquillian work is well suited to remote collaboration when the runtime, logs, test data and CI environment are accessible. On-site sessions in Germany can still help with restricted systems, release workshops or teams that need close coordination during a major test migration.
Teams may compare Arquillian with direct application-server testing, embedded container approaches, Testcontainers or framework-specific integration tools. The right choice depends on runtime fidelity, startup time, deployment complexity and whether the project needs to validate container-managed Java enterprise behavior.
Ask how the professional controls deployments, isolates test data, manages container lifecycle and investigates classloading or transaction failures. Good Arquillian work produces repeatable tests, clear diagnostics and a sensible boundary between unit, integration and end-to-end coverage.
A maintainable Arquillian suite keeps deployments small, names runtime assumptions clearly and shares only useful setup code. It also separates quick feedback from broader integration runs, pins compatible dependencies and documents how professionals reproduce failures locally and in continuous integration.
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 801 € 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
