Service-Oriented Architecture Experts in Berlin
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Meet FRATCH Experts in Berlin, who have recently used Service-Oriented Architecture
Benjamin Faas
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 Ali
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 Purushothm
Last position:
Oracle Apps Technical Consultant, Oracle EBS to Oracle Fusion SCM Migration Specialist at LTIMindtree India PVT LTD.
- Client: Terex Corporation
Tushar Rao
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.
Jan Kopia
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 Khandelwal
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 Molankula
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 Bohnsack
Last position:
Software Engineer at Freelancer
- Freelance software engineer focusing on backend (Python/Django) and frontend (VueJS).
Kalyani Kumar
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
Eric Ndengang Foyet
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Konstantin Kurshunzhi
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
3.1 years (Germany: 2.5 years)
Positions per freelancer
5 (Germany: 14)
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
50% (Germany: 56%)
Doctorate
10% (Germany: 4%)
Certifications per freelancer
3
Most common languages
English, German, Hindi
Speak two or more languages
82% (Germany: 92%)
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 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
SOA basics
Service-Oriented Architecture, often called SOA, structures software as separate services with clear contracts. It helps teams split large systems into parts that can be reused, governed, and changed without rewriting everything. Companies use it to connect business capabilities across many applications.
Where it fits
- Legacy modernization and system integration
- Enterprise service layers for internal teams
- Messaging, orchestration, and interface design
- Shared business services across domains
SOA is common in environments where reliability and control matter more than quick one-off builds. In Berlin, it often appears in enterprise IT, logistics, media, public sector work, and complex B2B platforms.
What strong experts do
Strong SOA specialists define service boundaries, message formats, and error handling that other teams can trust. They know when to use synchronous APIs, when to use messaging, and how to keep services loosely coupled. They also document contracts so operations and development stay aligned.
Tools and ecosystem
A good SOA setup often includes API gateways, service registries, message brokers, and monitoring tools. Experts may work with SOAP, REST, XML, WSDL, JMS, ESB patterns, and integration suites. The right choice depends on the existing landscape and how much governance the system needs.
When to bring in freelance help
Bring in freelance expertise when service boundaries are unclear, interfaces keep breaking, or an old integration layer needs to be untangled. It also helps when a team must introduce SOA into an existing estate without stopping delivery. A freelance specialist can join remotely or on-site in Berlin, depending on access, stakeholders, and security needs.
How quality shows
Good professionals work from domain needs, not tool preference. They produce clear service models, stable contracts, sensible versioning, and practical documentation that other specialists can use. They also spot anti-patterns such as oversized services, hidden dependencies, and tight coupling before those problems spread.
Frequently asked questions
Everything clients usually want to know about Service-Oriented Architecture, in one place.
Service-Oriented Architecture is used to break a large system into services that expose business functions through clear contracts. That makes integration easier across internal applications, partner systems, and older platforms that still have to work together. It is especially useful when several teams need to share the same capabilities without duplicating logic.
SOA and microservices both rely on services, but they are not the same approach. SOA usually focuses more on enterprise integration, shared governance, and broader service reuse, while microservices push smaller services and tighter team autonomy. A strong expert should explain which style fits your landscape instead of forcing one pattern.
A strong Service-Oriented Architecture specialist has worked on contracts, integration flows, and service boundaries in real systems. Look for experience with message-driven design, error handling, versioning, and legacy system integration. Good communication matters too, because SOA work usually touches several teams and business stakeholders.
Service-Oriented Architecture work often sits next to API design, integration engineering, messaging, and data mapping. Familiarity with SOAP, REST, XML, WSDL, JMS, and enterprise service buses is often useful. In larger systems, knowledge of monitoring, security, and change management also helps.
SOA projects need enough depth to avoid brittle interfaces and hidden dependencies. For a simple service layer, one experienced specialist may be enough; for legacy modernization or enterprise integration, you usually want someone who has seen similar landscapes before. The complexity of the current system matters more than the size of the team.
Yes, Service-Oriented Architecture work can often be done remotely because much of it is design, review, and coordination. For Berlin companies, remote collaboration works well when access, security, and stakeholder availability are clear. On-site time can still help during workshops, architecture reviews, or sensitive integration phases.
The best way is to review concrete deliverables from SOA work: service contracts, integration diagrams, interface documentation, and examples of handled failure scenarios. You want signs that the person can keep services loosely coupled and easy to change. If they only talk about tools and not boundaries, reuse, and governance, that is a warning sign.
Service-Oriented Architecture is often compared with microservices, event-driven design, and direct API integration. It still makes sense when an organization needs shared services, strong governance, and careful integration across many existing systems. That is why it remains relevant in large enterprise environments, including many teams in Berlin.
The average hourly rate of freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects is 70 €, which corresponds to a daily rate of about 557 € 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, 50% hold at least a Master's degree, and 10% 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 3.1 years.
The most common languages among freelancers in Berlin, Germany who have used Service-Oriented Architecture in their recent projects are English (100%), German (82%), and Hindi (27%).
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 (45%), and Manufacturing (36%).
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 (82%), and Project Management (64%).
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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Philipp Thomaschewski
FRATCH CEO
