Enterprise Service Bus Experts in Germany
in minutes from over 15,000 CVs with the power of AIHire experts who design ESB integrations, connect SAP, ERP and CRM systems, and keep message routing, transformation and monitoring stable across complex landscapes. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Enterprise Service Bus
Hooman Behmanesh
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
Burhan Dinler
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Gerhard Kolar
Last position:
Senior Project Manager and Construction Manager at HENSOLDT Optronics GmbH
- Building the data center in Oberkochen (defense area)
- Planning the fiber optic ring, simulation of Wi-Fi coverage
- Cable routing plan for WAN and LAN cables for office and production (infrastructure)
- Adaptation of the SAP system (R3) for the Oberkochen site (software)
- IT transformation of the SAP system to SAP HANA
- Planning network infrastructure and server technologies in the SAP environment
- Pré-sales support and setting up change management
- Independent coordination of utilities according to time, budget and quality
- Mapping the project in MS Project and SERVICENow
- Development and design of hardware and software
- Demand management and portfolio management
- Building a risk register and migration plan
- Preparation of payment-supporting documents in coordination with the responsible finance and commercial functions
- Budget: 5 Mio. - 34 FTE
Santhosh Kannan
Last position:
Freelance Software Engineer at Zalando SE
- Support Authorization as a Service initiative for enterprise-scale authorization platform
- Incorporate comprehensive observability solutions into authorization infrastructure
- Provision and manage AWS infrastructure for authorization services
- Mentor development team on AWS and Kubernetes best practices
- Tech Stack: Java/Kotlin, Golang, Python, OPA, Spring Boot, AWS, Kubernetes, Terraform, ELK Stack, Prometheus, Grafana
Michael Kunz
Last position:
Enterprise Architect, Lead Architect of the transformation program and coach at Swiss Ministry
- Development of the overall architecture
- Support for the respective workstreams in developing architectures in the areas of infrastructure, data centers, security, and network topology
- Coordination of the architect pool
- Support for program management in building the transformation project based on agile methods
- Consideration of regulatory requirements for IT projects in the federal administration
Ulrich Seidel
Last position:
Senior Tester at Arvato Systems GmbH
- Planning, defining, and executing test cases for product creation, measurement data upload, and chart verification
- Developing keyword driven function tests using Robot Framework
- Defining and generating realistic test data with Python
- Implementing data-driven and REST API interface tests
- Performing image comparison tests based on OpenCV
- Developing load tests for various environments
- Conducting regression and end-to-end tests, reporting results, and managing defects
- Systematic expansion of test coverage
- Integrating Jenkins with Xray for test management
- Managing tickets with JIRA and documenting in Confluence
- Used Robot Framework, Playwright, Python, VS Code, Prectavi, JIRA, Confluence & Xray, Bitbucket, GitHub, Jenkins, MS Office 365, and Teams in an agile project.
Norbert Gunia
Last position:
Support for implementing the Pimcore CMS as well as support assistance and partner management at Akademisch Arbeitsgemeinschaft GmbH
- Support for implementing the Pimcore CMS, support assistance, and partner management for the existing application landscape.
- Know-how transfer to the existing application landscape.
- Advising stakeholders on the new implementation.
- Support in data modeling for Pimcore.
- Designing and overseeing data migrations from Salesforce to Pimcore using ESB.
- Creating user stories.
- 3rd level support for business-critical processes.
- Technologies: Salesforce Marketing, Sales, and Service Cloud; Talend ESB; Pimcore; Shopware; ERP system Move; DB2; MySQL; MS Office; MS Visio; Jira; Confluence.
Robert Vattig
Last position:
Freelance Consultant Information Security and Business Continuity at Freelance business consulting
- Provide consulting services nationwide in both private and public sectors
- Advise on information security management systems, IT-Grundschutz, KRITIS compliance, TISAX, business continuity and crisis management
- Support the introduction of policies, risk management methods, asset registers and supplier management
- Conduct internal audits, training workshops and support audit preparations
Holger Glutsch
Last position:
Senior Vice President of Engineering at Uptempo GmbH
- Responsible for development, architecture, QA, BI, AI and cloud operations across a global engineering organization of 150+ engineers in 21 teams across 6 countries
- Led the transformation from legacy single-tenant architecture to a cloud-native multi-tenant SaaS platform using AWS, Kubernetes and event-driven architectures
- Established engineering operating models, architecture governance and DevOps practices across multiple international teams
- Introduced Generative AI capabilities (Azure OpenAI, RAG) to enable AI-driven product features and secure enterprise data access
- Responsible for cloud infrastructure strategy, security and compliance (ISO 27001, SOC1/2) and cloud cost optimization (FinOps)
- Led enterprise integrations with ERP, CRM and commerce systems for global customers
Lothar Hinsche
Last position:
Solution Manager for PoC investigation and for replacing and refining an existing cloud and IoT power plant control system at Shell AG and NEXT Kraftwerke GmbH
- Investigating the PoC and replacing and refining an existing cloud and IoT power plant control solution for certificate management of renewable energy plants (solar, wind, biomass, etc.) for the largest European renewable energy network operator, including examining the field IoT devices and their integration and network connections, aiming for automated PKI key management.
- Messaging with Kubernetes for large API-connected enterprise applications
- Risk and attack vector analysis, software quality & bug assessments
- Agile workload scheduling via Jira & Confluence
- Evaluation of pub/sub message streams for MQ and Kafka.
- Various tests with “best design approaches” for resilience patterns like circuit breaker designs, throughput measurement and monitoring, bulkhead governors – for robust EA design
- Integration of API management with IBM's API Connect to Kubernetes for platform-agnostic microservices API management designs. Google Apigee
- Solution health check approaches for load burst situations + remedy
- Research and evaluation of potential sub-service providers in the coordinating role as solution manager. CIS20 controls.
- DREAD and STRIDE security assessments.
Gilbert Huwar
Last position:
Process Design: Solution Development and Release Management at E.ON Digital Services
- Led workstream for analysis and optimisation of the solution development and release process within the newly established organizational structure
- Analyzed and adopted existing processes after transition of technical responsibility to E.ON Digital Services
- Supported the agile development approach within engineering teams
- Established a unified workflow for business requirements and clear communication interfaces, documented using Atlassian Jira on both the business and engineering sides
- Created dashboards with Rich Filters for Jira Dashboards to provide an overview of feature releases and their connection to technical releases
- Designed new burnup charts and statistics per release to improve transparency of overall technical progress at the product level
Werner Keil
Last position:
Test Coordinator, Designer and Engineer at IBM
- Testing the SekIDP and related components
- Test design, execution and automation, microservices, GitHub Enterprise, Eclipse, Katalon Test Platform, API Testing, Confluence 8, JIRA/Xray, Draw.io, Swagger/OpenAPI, Postman, Docker, Kubernetes, Podman, PuTTY, E-Health, Telematik, Gematik standards, EPA, E-Rezept, sektoraler IDP, encryption, XaDES, PaDES, DICOM, HL7, FHIR, IHE, ICD, SSO, SAML/Shibboleth, OAuth, smartcards, JWT, two factor authentication Android and iOS, Wireshark, BrowserStack, Cypress, gRPC, REST, SOAP, WS-Security, Linux Shell, PowerShell, SSH/SSL, Java, Kotlin, Cordova, Gradle, Groovy, Python, TypeScript
Srikanth Vajja
Last position:
Safe Scrum Master at Brunel GmbH
- In an automotive environment, facilitated Agile adoption across 3 teams, improving sprint velocity by 25%
- Managed backlog, burndown charts and sprint planning for 40+ user stories
- Conducted risk analysis and implemented mitigation plans, reducing project delays by 30%
- Led retrospectives and demos, increasing stakeholder satisfaction scores by 15%
Mohamed Keita
Last position:
Interim Senior Camunda & BPMN Consultant, Spring Boot & Java Backend Developer at GEMA/IT4IPM GmbH
- Subject matter expert for the client on modeling and developing Camunda BPMN 2.0
- Development of new features and APIs, and coordination of tasks
- Design and development of RESTful APIs with Swagger (code first)
- Creation of target designs, high-level concepts, and requirement specifications
- Analysis and evaluation of alternative solution approaches
- Integration of external IT systems (ANUBIS, SES, ZPS) via Google GCP Pub/Sub and RESTful web services
- Pair programming, code reviews, and collaboration with API product owners
- Consulting on transforming legacy BPMN workflows and configuring Camunda BPM
- BPMN and DMN modeling and implementation in short iterations
- Operational support, bug fixing, and knowledge documentation
- Use of TDD, static code analysis with SonarQube, and integration tests
- Automation of test cases in Java and analysis of stack traces/logs on GCP-PROD
- Identification and execution of test data and documentation of test results
Christian Wegener
Last position:
Functional Senior Tester and Test Manager at Christian Wegener Beratung
Creation and review of test conditions
Execution of functional tests
Defect management
Supplier management
Team coordination
Estimation of test effort and reporting
Test planning
Ongoing and new development of integrated scheduling systems
Java web client / Linux server, Oracle Instant Client / Oracle Database Appliance server, Unix, ESB – Enterprise Service Bus, SQL, TIBCO EMS – Enterprise Message Service / JMS, REST, Impero Guest
HP ALM / Micro Focus Quality Center, Citrix, JIRA, XRAY, Impero Guest, MobaXTerm, Confluence, SharePoint, MS Teams, MS Office
Discover over 15,000 top freelancers
Statistics of experts using Enterprise Service Bus
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2.1 years
Positions per freelancer
16
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Automotive, Banking and Finance
Certification focus areas
Information Technology, Quality Assurance, Project Management
Bachelor's degree or higher
86%
Master's degree or higher
57%
Doctorate
10%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
93%
Based on our profile pool as of 30 Aug 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 Enterprise Service Bus
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
ESB in practice
An Enterprise Service Bus, often called an ESB, connects business systems through a shared integration layer. It moves messages, applies routing rules, transforms formats and helps legacy and modern services work together without hard-coded point-to-point links.
Typical work
- System-to-system messaging and orchestration
- Data transformation between XML, JSON and other schemas
- Error handling, retries and dead-letter flows
- API and service integration with internal platforms
- Monitoring and support for live interfaces
Common stacks
Strong specialists know products and ecosystems such as MuleSoft, IBM Integration Bus, webMethods, Apache Camel and Oracle Service Bus. They also understand queues, brokers, SOAP, REST, XSLT and security patterns that keep integration flows reliable.
When to bring one in
Companies usually need freelance help when interfaces fail, a bus becomes hard to maintain, or a merger creates overlapping systems. In Germany, this often comes up in manufacturing, logistics, finance and enterprise IT teams that must keep many internal applications in sync.
What strong experts do
A good professional reads existing flows quickly, finds fragile mappings and documents the real interface landscape. They work cleanly with logging, versioning and rollback plans, and they know when an ESB is the right choice versus lighter integration patterns.
Delivery and collaboration
ESB work often sits between business systems, operations and security teams. Remote collaboration works well for design, mapping and testing, while on-site time can help when the landscape is old, undocumented or tied to local infrastructure. In Germany, clear documentation in English is common, and German helps when teams are mixed.
Frequently asked questions
Everything clients usually want to know about Enterprise Service Bus, in one place.
Enterprise Service Bus is used to connect separate systems through one integration layer. It handles message routing, data transformation, protocol bridging and orchestration so business applications can exchange data without many direct point-to-point links.
A Enterprise Service Bus is usually chosen when many existing systems, formats and protocols must be connected in one place. API-led integration and microservices can be better for newer landscapes, but they do not always replace the need for centralized routing, mediation and legacy connectivity.
A strong Enterprise Service Bus specialist often knows platforms such as MuleSoft, IBM Integration Bus, webMethods, Apache Camel or Oracle Service Bus. They should also be comfortable with SOAP, REST, queues, XSLT and interface monitoring.
For a simple interface change, a focused Enterprise Service Bus expert may be enough. For platform migrations, interface redesign or large legacy estates, you want someone who has worked with error handling, performance, versioning and rollback plans before.
Bring in Enterprise Service Bus help when interfaces are unstable, the existing design is undocumented, or internal specialists are tied up with operations. Freelancers are also useful for peak project phases such as migration, recovery after incidents or cleanup of old message flows.
Yes, much of the Enterprise Service Bus work can be done remotely because it centers on design, mapping, testing and documentation. On-site time can still help when access is limited, the runtime is tightly controlled, or business teams need close workshops in Germany.
A good Enterprise Service Bus specialist leaves clear, maintainable flows and explains why each routing or transformation step exists. Look for clean error handling, readable documentation, sensible naming and an ability to simplify old integrations instead of adding more complexity.
A strong Enterprise Service Bus professional often also knows integration testing, XML and JSON handling, security, monitoring and some application architecture. Knowledge of SAP, ERP, CRM or messaging middleware is especially useful when the bus sits in the middle of enterprise systems.
The average hourly rate of freelancers in Germany who have used Enterprise Service Bus in their recent projects is 103 €, which corresponds to a daily rate of about 827 € based on an 8-hour working day.
Of the freelancers in Germany who have used Enterprise Service Bus in their recent projects, 86% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Germany who have used Enterprise Service Bus in their recent projects have 24 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 Enterprise Service Bus in their recent projects are German (100%), English (93%), and French (18%).
The most common industries among freelancers in Germany who have used Enterprise Service Bus in their recent projects are Information Technology (96%), Automotive (61%), and Banking and Finance (61%).
The most common business areas among freelancers in Germany who have used Enterprise Service Bus in their recent projects are Information Technology (100%), Product Development (86%), and Project Management (79%).
Main locations of FRATCH Experts, who have recently used Enterprise Service Bus
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.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
