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JBoss Experts in Berlin

matched in minutes from over 15,000 CVs

Hire experts who run and modernize JBoss EAP environments, configure WildFly application servers, and support secure Java enterprise deployments. FRATCH matches you quickly and precisely with vetted, available freelancers for your project.

Meet FRATCH Experts in Berlin, who have recently used JBoss

Verified expert

Santhosh K.

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Freelance Software Engineer

Berlin
Santhosh K.

Last position:

Freelance Software Engineer at Zalando SE

  • Drive migration of enterprise authorization platform from Styra DAS to open-source OPA via Skipper (Zalando's Golang-based ingress proxy) integration
  • Optimise k8s resources and integrate native Prometheus metrics with OPA
  • Migrate from internal monitoring solution to Prometheus CRs + Dash0

Tech Stack: Java/Kotlin, Golang, Python, Spring Boot, AWS, Kubernetes, Docker, OpenTofu, Prometheus, Grafana

Verified expert

Ola V.

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IT Lecturer

Berlin
Ola V.

Last position:

IT Lecturer

  • IT training in theory and practice for IT specialists in application development and system integration
Verified expert

Can K.

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DevOps Specialist

Berlin
Can K.

Last position:

DevOps Specialist at Eviden Germany GmbH

  • Manage the development release and update process for a digitized nationwide trade register project "AuRegis".

  • Support software in Kubernetes/OpenShift environments, configure management with Kustomize, and implement CI/CD pipelines using Jenkins/GitLab, SonarQube, ArgoCD, and Azure.

  • Oversee system release of microservice architecture.

  • Build the CI/CD stack from scratch with GitLab CI, integrating integration tests, dependency checks, and security measures.

  • Automate deployment onto OpenShift using Kustomize.

  • Set up infrastructure components for development, code review, and code quality analysis including SonarQube.

  • Integrate GitOps tools such as Kustomize and ArgoCD, using both Azure and private cloud for sensitive data handling.

  • Develop Python scripts in Jenkins for cryptostore configuration and system packaging of products and microservices into deployable units.

  • Automate delivery to customers and deployment on test systems.

  • Create Kustomize manifests for microservices and develop the related automation, treating documentation as code for clarity and reproducibility.

  • Serve as technical advisor for the project's first go-live and oversee further deployments as technical rollout manager.

Verified expert

Toralf C.

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IT Consultant in PKI Software Development

Hohen Neuendorf
Toralf C.

Last position:

IT Consultant in PKI Software Development at BWI

  • Implementation of a full-stack application with Angular as the frontend framework and Java as the backend language
  • Use of the Swagger OpenAPI specification for REST communication between the frontend and backend applications
  • Control of a card printer via the Nexus Card SDK framework
  • Design and implementation of card management software with a web interface and a JavaFX module for printer monitoring
  • Use of Cucumber tests for test automation and creation of test artifacts to test outside the development environment
  • Use of Wireshark for network investigations to analyze the API of a third-party product and to monitor the REST API of the self-developed software
Verified expert

Igor K.

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Internship Semester

Berlin
Igor K.

Last position:

Freelance Software Developer

Verified expert

Dirk U.

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Java Be Developer

Schönwalde-Glien
Dirk U.

Last position:

Developer at Future Training & Consulting GmbH

Training course with exam for Spring Certified Professional.

  • Environment: Spring Boot 3, Spring Framework 6, IntelliJ
Verified expert

Henning P.

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Backend Systems Development

Berlin
Henning P.

Last position:

Backend Systems Development at Deutsche Bank/DWS/Morgenfund

  • Developed backend systems for the DWS Investment App, a white-label investment solution (robo-advisor), and an investment solution for institutional clients.
  • Java 8-17, Kotlin, Spring Boot, Spring MVC, OpenAPI 3.0, JPA, JDBI, Oracle, Hazelcast, JXLS, Apache POI, Apache PDFBox, Apache Kafka & Avro, Active MQ, Elasticsearch, React Native, Spock Test, IntelliJ IDEA, Kubernetes, Helm, Microservices/Netflix-Stack, TeamCity, Splunk.
  • Kanban team, continuous integration.
  • Migrated existing applications from Deutsche Bank's private cloud environment to Azure as part of a carve-out.
Verified expert

Mario E.

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Developer and Consultant

Berlin
Mario E.

Last position:

Developer and Consultant at Freelancer

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Statistics of experts using JBoss

Aggregated from the professional profiles of matched freelancers.

Experience

23 years (Germany: 25 years)

JBoss experts in Berlin have 23 years of professional experience on average. It is 2 years less than in Germany, where the average stands at 25 years.

Position duration

2.6 years (Germany: 2.2 years)

JBoss experts in Berlin stay in a single position for 2.6 years on average. It is 0.4 years more than in Germany, where the average stands at 2.2 years.

Positions per freelancer

16 (Germany: 18)

JBoss experts in Berlin have completed 16 positions on average over the course of their careers. It is 2 fewer than in Germany, where the average stands at 18.

Top business areas

Information Technology, Product Development, Project Management

JBoss experts in Berlin have gathered most of their hands-on project experience in Information Technology, Product Development, and Project Management.

Top industries

Information Technology, Retail, Education

JBoss experts in Berlin are most in demand in Information Technology, Retail, and Education.

Certification focus areas

Product Development, Information Technology, Project Management

JBoss experts in Berlin earn their certifications most often in Product Development, Information Technology, and Project Management.

Bachelor's degree or higher

100% (Germany: 89%)

100% of JBoss experts in Berlin hold at least a Bachelor's degree. It is 11% higher than in Germany, where the rate stands at 89%.

Master's degree or higher

25% (Germany: 58%)

25% of JBoss experts in Berlin hold at least a Master's degree. It is 33% lower than in Germany, where the rate stands at 58%.

Certifications per freelancer

2 (Germany: 3)

JBoss experts in Berlin hold 2 professional certifications on average. It is 1 fewer than in Germany, where the average stands at 3.

Most common languages

German, English, Spanish

JBoss experts in Berlin most often speak German, English, and Spanish.

Speak two or more languages

89% (Germany: 98%)

89% of JBoss experts in Berlin speak two or more languages. It is 9% lower than in Germany, where the rate stands at 98%.

Based on our profile pool as of 19 Sep 2026.

Daily rate distribution

0 2 4 6 8
One of the JBoss experts in Berlin charges less than €640 per day.
One of the JBoss experts in Berlin charges between €640 and €720 per day.
2 of the JBoss experts in Berlin charge between €720 and €800 per day.
4 of the JBoss experts in Berlin charge between €800 and €880 per day.
One of the JBoss experts in Berlin charges €960 or more per day.
<€640 €640-​720 €720-​800 €800-​880 €960+

The chart shows how the daily rates of freelancers in this technology in Berlin 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 Berlin using JBoss

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 777 €
Germany avg. 776 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 800 €
Germany median 760 €

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.

JBoss 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%)
  • Retail (56%)
  • Education (44%)
  • Healthcare (44%)
  • Media and Entertainment (44%)
  • Professional Services (44%)
  • Real Estate (44%)
  • Automotive (33%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

JBoss at a glance

JBoss is the commonly used name for Red Hat JBoss Enterprise Application Platform, a Java application server for enterprise workloads. It provides a managed runtime for Jakarta EE applications, APIs, transactions, messaging and security. The newer community project WildFly shares much of the same technology lineage.

Enterprise workloads

JBoss supports business-critical applications that need controlled deployments, reliable transactions and integration with existing systems. Companies use it for customer portals, internal applications, workflow platforms, service layers and Java-based back ends in regulated environments.

  • Run Jakarta EE and Java enterprise applications
  • Connect services to databases, queues and external APIs
  • Manage clustered applications with high availability
  • Integrate identity, security and enterprise messaging

Ecosystem and tooling

Strong JBoss specialists work across the application server and its surrounding stack. Their work may include Maven builds, Git-based delivery, Red Hat subscriptions, Elytron security, Infinispan caching, ActiveMQ messaging and relational databases. They also understand server groups, domain mode, standalone configurations and deployment automation.

When expertise matters

Companies often bring in freelance expertise when a legacy JBoss estate needs stabilising, upgrading or moving to a modern runtime. Specialists can investigate slow deployments, class-loading conflicts, failed transactions and difficult production incidents. In Berlin, they may support teams on site, remotely or in a hybrid setup, depending on operational and language needs.

  • Plan a JBoss EAP or WildFly migration
  • Tune memory, threads, connection pools and garbage collection
  • Automate deployments and environment configuration
  • Diagnose outages, integration faults and security issues

What strong professionals deliver

A capable JBoss professional separates application defects from server configuration problems. They create repeatable environments, document operational decisions and test deployments before release. They also know when to use server features and when a simpler application or infrastructure change is safer.

Useful evidence includes production runbooks, migration plans, deployment pipelines and clear incident findings. Strong specialists can explain trade-offs to technical and non-technical stakeholders without hiding risk behind vendor terminology.

Choosing the right specialist

Match the assignment to the runtime and its constraints. A WildFly implementation, a supported JBoss EAP estate and a migration to another Java platform can require different experience. Ask about the exact release line, application standards, operating system, database, messaging layer and delivery process.

For Berlin-based teams, remote collaboration works well when access, monitoring and escalation paths are prepared in advance. On-site work can add value during cutovers, architecture workshops or sensitive incident response. The right expert leaves the environment more stable, observable and maintainable than before.

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Frequently asked questions

What clients ask us most about JBoss — answered in short.

JBoss is used to run enterprise Java and Jakarta EE applications in a managed application-server environment. It handles services such as transactions, security, messaging, persistence, clustering and deployment. Typical systems include internal business applications, customer portals, integration services and workflow platforms.

JBoss EAP is Red Hat’s supported enterprise distribution, with product support, tested release practices and subscription-based maintenance. WildFly is the upstream community project and often exposes newer capabilities earlier. The better choice depends on support obligations, compatibility, lifecycle requirements and the organisation’s operational model.

A strong JBoss specialist usually understands Java, Jakarta EE, Maven, Linux, application security and relational databases. Experience with ActiveMQ, Infinispan, Elytron, containerisation, CI/CD and observability is also valuable. The right combination depends on whether the assignment focuses on application delivery, operations or migration.

A production JBoss project needs a specialist who has handled the same type of runtime, deployment model and failure scenarios. Basic configuration work may need less depth, while upgrades, clustering, security changes and incident response call for substantial production experience. Ask for concrete examples of comparable environments rather than relying on certifications alone.

Yes. JBoss work is often suitable for remote collaboration when secure access, logs, monitoring and release procedures are available. On-site sessions can still help with architecture workshops, controlled cutovers or sensitive incidents. Berlin teams should agree on working language, escalation windows and access responsibilities before the assignment starts.

Ask a JBoss freelancer to explain how they would isolate an application issue from a server, database or network issue. Good answers cover evidence gathering, rollback planning, configuration management, testing and communication. Review practical deliverables such as runbooks, migration plans, deployment automation and post-incident findings.

JBoss EAP remains suitable when an organisation needs a supported enterprise Java runtime and a controlled operating model. Existing estates may also benefit from modernisation within the platform, container deployment or a carefully planned move to another runtime. The decision should consider application compatibility, support needs, team skills and the cost of change.

A JBoss expert can assess the current estate, map dependencies, identify incompatible APIs and prepare a staged migration plan. They may update deployment descriptors, adjust security and messaging configuration, automate environment setup and validate performance. Clear rollback criteria and application-owner testing are essential before production change.

The average hourly rate of freelancers in Berlin, Germany who have used JBoss in their recent projects is 97 €, which corresponds to a daily rate of about 777 € based on an 8-hour working day.

Of the freelancers in Berlin, Germany who have used JBoss in their recent projects, 100% hold at least a Bachelor's degree and 25% hold at least a Master's degree.

On average, freelancers in Berlin, Germany who have used JBoss 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 Berlin, Germany who have used JBoss in their recent projects are German (100%), English (89%), and Spanish (11%).

The most common industries among freelancers in Berlin, Germany who have used JBoss in their recent projects are Information Technology (100%), Retail (56%), and Education (44%).

The most common business areas among freelancers in Berlin, Germany who have used JBoss in their recent projects are Information Technology (100%), Product Development (78%), and Project Management (56%).

Main locations of FRATCH Experts, who have recently used JBoss

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

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