Service-Oriented Architecture Experts in Berlin
to connect complex systems with vetted, available freelancersHire experts who design service boundaries, integrate APIs and message brokers, and modernize enterprise platforms with SOA patterns. FRATCH precisely matches you with vetted, available freelancers who fit your project and can start quickly.
Meet FRATCH Experts in Berlin, who have recently used Service-Oriented Architecture
Benjamin F.
Last position:
Freelance Product Manager, Product Owner, Scrum Master & Agile Coach at Freelance
Freelance product owner, scrum master and agile coach in various projects spanning from local agencies to multinational corporations in diverse industries.
Last projects:
Adevinta: Technical Project Manager responsible for coordination of several sub-workstreams building the world’s largest classifieds multi-tenant platform.
Aroundhome (a ProSiebenSat.1 company): Product Manager implementing and verifying on the business side a concept for digital qualification of user requests for matching service providers.
Peek & Cloppenburg Düsseldorf: Product Manager Mobile advising on and guiding the rebuild of Android and iOS apps.
Visual Meta GmbH (an Axel Springer company), Berlin: Director Product co-leading the Product & Engineering department together with the Director Engineering.
Responsibilities at Visual Meta GmbH:
Define and deliver a 3–5 year horizon product strategy including a product vision & mission connecting to existing company strategy and strategies from adjacent departments.
Refine an existing OKR process together with OKR master and directors of other departments to increase focus and outcome.
Support the Director Engineering in creating a platform transformation strategy to transform a monolithic on-premise tech stack into a service-oriented, cloud-based architecture and establish a domain-based organizational setup.
Accountability for a motivated and talented team of 5 head-level colleagues and 17 operational team members from product management, data and UX/UI design.
Key achievements at Visual Meta GmbH:
Defined and delivered a 3–5 year horizon product strategy including a product vision & mission.
Increased focus within OKR process by moving from 10 company-level objectives to 2 and from several hundred team-level key results to a few dozen.
Created a career path framework for the product team defining roles and responsibilities from junior to head level positions.
Imran A.
Last position:
Software Engineer II at LivePerson Germany GmbH
- Led development of 15+ microservices (Java 17, Spring Boot) driving customer interactions; migrated from on-prem to GCP Kubernetes, improving scalability and reducing infra cost by 20%.
- Optimized user services with CouchDB caching and API refactoring, cutting response times by 35% and enhancing customer experience.
- Implemented canary deployments, FluxCD GitOps, and CI/CD optimizations in GitLab, reducing release lead time by 25% and enabling zero-downtime rollouts.
- Set up Grafana health checks and Anodot alerts for latency, error, and throughput monitoring, reducing MTTR by 40%.
- Built secure APIs using OAuth2, DPoP, and Gatekeeper, integrated REST and GraphQL, and achieved 90%+ test coverage with unit and E2E tests.
- Mentored junior developers, promoted Agile best practices, and collaborated cross-functionally to deliver high-impact, reliable customer-facing features.
G P.
Last position:
Oracle Apps Technical Consultant, Oracle EBS to Oracle Fusion SCM Migration Specialist at LTIMindtree India PVT LTD.
- Client: Terex Corporation
Tushar R.
Last position:
Research Assistant/Master Thesis at Otto-von-Guericke Universität Magdeburg
- Performed qualitative and quantitative analysis of extracted findings, categorizing themes, evaluating methodologies, and assessing study quality and reliability.
- Produced research reports and evidence summaries communicating key trends, gaps, and opportunities to academic advisors or cross-functional teams.
- Presented findings through well-structured visualizations, tables, and narrative summaries to support decision-making and guide future research directions.
Thomas S.
Last position:
GEDISA mbH
- Development of various backends (PHP) in a microservice architecture with STRENGTHS
- Development of administration interfaces with Laravel Filament diligent consistent agile
- Integration of third-party providers via REST interfaces patient attention to detail motivating
Jan K.
Last position:
Consultant for Information Security & Auditor at Kopiasonsulting GmbH
Operational management of the company: building teams and infrastructure, developing products, analysis and implementation of IT security measures
Project assignments in the IT security environment focusing on establishing blue teaming activities (defensive processes and technologies) to defend against cyber attacks
Conducting red teaming processes, including penetration tests and security analyses for companies
Consulting on setting up Security Operation Centers and implementing SIEM systems, and building Computer Incident Response Teams (CSIRT)
Auditor for ISO 9001 and ISO 27001, § 8a, ISO 27019, § 11 1a EnWG, TISAX
Advising companies in critical infrastructures on information security and compliance with the IT Security Act
Building SIEM/SOC processes and SOC analyst work (Splunk, ELK-Stack)
Integrating data into monitoring tools (Prometheus, Grafana)
Consulting on BSI IT baseline protection, ISO 9001, ISO 27001, BCM, ITIL and risk management
Security assessments and penetration testing of IT and network architectures
Gopal K.
Last position:
SAP ABAP & Cloud Architect at parasus GmbH
- Concept and re-implementation of customer application over cloud and make the source code cloud ready
- Re-designing and putting a new architecture to overcome all the Team Scale findings and push ABAP code to ABAP cloud
- Converted the existing custom application code to ABAP cloud code and used ABAP Clean code guidelines
- Create a dynamic framework to call old vs new implementation from a Table maintenance to validate both implementations
- Utilized Key User Extensibility to seamlessly integrate multiple custom fields into a standard Fiori application, enhancing both the front-end and back-end GUI
Ramu M.
Last position:
Software Development Engineer at Olive Crypto Systems Pvt Ltd (National Payments Corporation of India)
Contributed to the development of a UPI simulation system, ensuring alignment with NPCI standards from UAT to production, and achieving a 98% success rate with improved API workflow clarity.
Built a data-driven certification process that increased scenario coverage by 40% and cut certification time to 1 week.
Executed 100+ transaction scenarios for switch testing using a real-time sample bank, achieving 85% accuracy in critical flows and supporting on-time certification for banks.
integrated Spring Boot microservices with RabbitMQ to automate certification workflows, reducing manual efforts by 40%.
Supported the rollout of a global UPI simulation tool used by 20+ international partners to explore real-time remittance APIs and process flows efficiently.
Streamlined certification workflows, reducing integration time by 50% and enabling full API understanding within a week.
Engineered a real-time international remittance simulator and testing framework facilitating API/application flow comprehension for partners like Lyra and TerraPay; cut partner integration time by 40%.
Developed RESTful APIs using Spring Boot and Kafka to simulate high-volume remittance traffic for partner certification.
Collaborated with international partners to optimize API performance, identifying and resolving latency issues, resulting in a 25% reduction in response times during partner integrations.
Frank B.
Last position:
Software Engineer at Freelancer
- Freelance software engineer focusing on backend (Python/Django) and frontend (VueJS).
Kalyani K.
Last position:
Assistant Vice President at Deutsche Bank
- Technologies: Java, React, Python, Scala, Spring Boot, JPA, microservices, Kubernetes, Docker, OpenShift, Eureka, Prometheus, Grafana, Zookeeper
- Led the design and development of enterprise wide data warehouse platform for efficient and secure data sharing using stateless, event-driven microservices architecture
- Served as component guardian and Scrum master for three microservices, ensuring seamless integration and maintaining high data integrity
- Optimized performance through Prometheus and Grafana, achieving measurable system resilience
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.
Eric N.
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Konstantin K.
Last position:
.NET Senior Full-stack Software Developer at DINA Elektronik GmbH
- Tech-Stack: C#, XAML, WPF, MongoDB, Azure Cloud, Azure DevOps, Resharper, Rider, OAuth2.0, REST, XUnit, NSubstitute, FluentAssertions
- Designed and implemented the IO architecture for improved data flow and efficiency.
- Developed a new desktop application from scratch, improving user experience and functionality.
- Led the implementation of daily stand-ups, software refinements, retrospectives, and project planning.
- Wrote unit and integration tests to ensure code quality and stability.
- Conducted code reviews and mentored junior developers.
- Played a key role in the company's digitalization efforts.
- Managed a team of 4 software developers, providing leadership and direction.
Discover over 15,000 top freelancers
Statistics of experts using Service-Oriented Architecture
Aggregated from the professional profiles of matched freelancers.
Experience
17 years (Germany: 22 years)
Position duration
3 years (Germany: 2.4 years)
Positions per freelancer
7 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Business Intelligence, Information Technology, Product Development
Bachelor's degree or higher
100% (Germany: 96%)
Master's degree or higher
45% (Germany: 56%)
Doctorate
9% (Germany: 5%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
English, German, Hindi
Speak two or more languages
85% (Germany: 94%)
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 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 Service-Oriented Architecture
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.
Service-Oriented Architecture 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 (54%)
- Manufacturing (31%)
- Professional Services (31%)
- Telecommunication (31%)
- Healthcare (23%)
- Retail (23%)
- Automotive (15%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What SOA means
Service-Oriented Architecture, commonly called SOA, structures business capabilities as independent services that communicate through defined contracts. Each service owns a focused responsibility and can be reused across applications, teams and channels. This separates business processes from individual software components and makes complex estates easier to evolve.
What it builds
SOA supports connected enterprise systems rather than one isolated application. Typical outcomes include:
- Order, billing and customer-service workflows
- Shared identity, payment and notification services
- Integration layers between legacy and cloud systems
- Partner, mobile and web-facing service interfaces
Services may expose SOAP or REST APIs and exchange messages through reliable middleware. The design must account for data ownership, versioning, security, monitoring and failure handling from the start.
Ecosystem and tooling
The ecosystem can include enterprise service buses, API gateways, message brokers and orchestration engines. Common technologies include Apache Camel, MuleSoft, WSO2, IBM integration products, Kafka, RabbitMQ and cloud-native messaging services. Strong specialists also work with WSDL, XML, JSON, OAuth, OpenAPI, containers and automated delivery pipelines.
When expertise matters
Companies often bring in freelance expertise when integration work crosses several teams or when a legacy estate is blocking delivery. In Berlin, this can support software modernization across finance, manufacturing, mobility, retail and public services. Specialists help assess existing interfaces, define service boundaries and create a practical transition plan without disrupting core operations.
Signs you need support
External expertise is useful when services duplicate business rules, interfaces break after small changes or no team owns cross-system data flows. Other warning signs include:
- Point-to-point integrations that are hard to trace
- Unclear contracts between applications
- Failed messages without recovery processes
- Growing demand for partner or channel integration
A focused engagement can cover architecture review, service design, integration delivery, documentation and knowledge transfer.
What strong professionals bring
Strong professionals balance architectural consistency with delivery constraints. They model domains clearly, choose synchronous or asynchronous communication deliberately and define contracts that can evolve safely. They also establish observability, testing, access control and governance without creating unnecessary central control. For remote or on-site collaboration in Berlin, clear documentation and communication across technical and business teams are essential.
Frequently asked questions
Everything clients usually want to know about Service-Oriented Architecture, in one place.
Service-Oriented Architecture is used to connect business capabilities through reusable, independently managed services. Companies apply SOA to integrate legacy applications, support shared workflows and expose reliable interfaces to partners, web channels and internal teams.
SOA usually emphasizes enterprise-wide reuse, shared integration infrastructure and formal service contracts. Microservices typically pursue smaller, independently deployable services with more team autonomy, but both approaches require clear boundaries, reliable communication and operational ownership.
Service-Oriented Architecture work often requires API design, domain modeling, integration patterns and distributed-systems knowledge. Useful adjacent skills include SOAP, REST, WSDL, OpenAPI, XML, JSON, message brokers, API gateways, identity management, cloud infrastructure and observability.
SOA projects benefit from a professional who has handled integration complexity in production, not only drawn reference diagrams. The right level depends on the estate, but the specialist should be able to assess dependencies, define contracts, plan migration steps and explain trade-offs to technical and business stakeholders.
Service-Oriented Architecture can be delivered remotely when teams maintain accessible architecture records, interface specifications and decision logs. For companies in Berlin, remote work can be combined with on-site workshops when domain alignment, access constraints or stakeholder coordination make direct collaboration valuable.
SOA quality is visible in practical decisions: clear service ownership, stable contracts, controlled dependencies and useful failure handling. Ask for examples of integration landscapes they improved, how they manage versioning and security, and how they measure whether a service remains reliable for its consumers.
Service-Oriented Architecture does not require a specific enterprise service bus. An ESB can provide routing, transformation and policy enforcement, but a suitable design may use API gateways, lightweight integration components and message brokers instead, depending on coupling, scale and operational needs.
SOA specialists should clarify business domains, service ownership, existing protocols, data authority and non-functional requirements before proposing a target design. They should also understand deployment constraints, security expectations, team responsibilities and how the company will operate and evolve the services after handover.
The average hourly rate of freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects is 77 €, which corresponds to a daily rate of about 616 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects, 100% hold at least a Bachelor's degree, 45% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects are English (100%), German (85%), and Hindi (23%).
The most common industries among freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects are Information Technology (100%), Banking and Finance (54%), and Manufacturing (31%).
The most common business areas among freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects are Information Technology (100%), Product Development (85%), and Project Management (62%).
Main locations of FRATCH Experts, who have recently used Service-Oriented Architecture
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.
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