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SOAP Experts in Berlin

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Hire experts who design and maintain WSDL-based services, secure XML message flows and connect Java, .NET or SAP systems. FRATCH quickly matches you with vetted, available freelancers whose experience fits your SOAP project.

Meet FRATCH Experts in Berlin, who have recently used SOAP

Verified expert

Syed A.

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Senior Software Engineer

Berlin
Syed A.

Last position:

Senior Software Engineer at Giant Eagle

  • Designed and developed AI-powered document processing solutions using Python, OCR, NLP, and Large Language Models (LLMs) to automate extraction, validation, and classification of financial documents, reducing processing time by 75%.
  • Built intelligent multi-stage workflow automation pipelines integrating AI services, machine learning models, and enterprise systems to streamline financial operations and improve data quality.
  • Developed reusable AI-driven transformation frameworks capable of processing structured and unstructured document formats (XML, CSV, JSON, TXT, DAT) and normalizing them into unified business schemas.
  • Designed and developed Python-based REST APIs and backend services supporting enterprise finance applications and high-volume data processing workloads.
  • Built scalable data synchronization pipelines between Oracle CFIN and SQL databases, incorporating machine learning models for cash-flow forecasting and AP/AR anomaly detection.
  • Architected and deployed Apache Airflow workflows to orchestrate AI-powered data pipelines, automating end-to-end processing from document ingestion through financial system integration.
  • Led the migration of critical enterprise integrations from MuleSoft to Python-based services, improving maintainability, performance, and operational flexibility while preserving complete data integrity.
  • Managed the full API lifecycle including solution design, implementation, documentation, deployment, monitoring, and production support for mission-critical financial systems.
  • Collaborated directly with finance stakeholders to identify business challenges, define solution requirements, and deliver measurable operational improvements through automation and AI-driven workflows.
  • Worked closely with cross-functional engineering and business teams to rapidly iterate on features, improve processes, and drive successful adoption of AI-enabled solutions.
  • Provided technical leadership through architecture reviews, technology decisions, code reviews, and engineering best practices across integration and automation initiatives.
  • Mentored developers, established coding standards, and contributed to improving software quality, maintainability, and delivery effectiveness across projects.
  • Provided production support during critical month-end and quarter-close financial processes, performing root-cause analysis and implementing rapid fixes to ensure system reliability and data accuracy.
Verified expert

Benjamin F.

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Freelance Product Manager, Product Owner, Scrum Master & Agile Coach

Berlin
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.

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

Fernando C.

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Senior Front-End Developer

Berlin
Fernando C.

Last position:

Senior Front-End Developer at Moss

  • Moss is a spend-management platform for SMEs that bundles corporate cards, web-based applications and reimbursements, AP/procurement and advanced accounting in one place.
  • Splits time across Accounting, Spending and Growth tribes, handling requirements gathering, public product design, coding, testing, debugging and internal apps.
  • Participates in development and maintenance of the design system/UI kit and supports tooling, documentation and developer experience.
  • Builds form-heavy UIs, drawer-based editing, high-density/resilient tables with server-side filters, pagination, column configurations, CSV/Excel export and bulk operations, all wired for permissions and auditability.
  • Works with complex cross-entity relationships without a single-schema solution.
  • Uses React, Redux Toolkit, styled-components, react-hook-form, React PDF, Vite, Lokalise, React Testing Library and Playwright.
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

Ibrahim H.

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Senior Full Stack Engineer | Cloud & AI Agent Engineer

Berlin
Ibrahim H.

Last position:

Senior Full Stack / AI Engineer at Punktum Digital GmbH

  • Context: Healthcare and laboratory teams required faster document analysis, treatment-planning support, and reliable AI workflows for MR/VR-assisted operations.
  • Contribution: Built the AI healthcare platform, model/agent workflows, VR-glasses deployment platform, REST APIs, Next.js/React interfaces, and CI/CD pipelines.
  • Impact: Delivered a production-ready AI product foundation that improved clinical document review, supported laboratory automation, and made VR fleet deployment manageable across environments.

Tech: TypeScript, Next.js, Node.js, React, Java, Spring Boot, Python, PyTorch, TensorFlow, Docker, PostgreSQL, OpenAPI, GitLab, GitHub Actions.

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

Albrecht N.

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Senior Project Manager IT

Berlin
Albrecht N.

Last position:

Senior Project Manager IT at HAYS Technology Solutions GmbH

  • Leasing, lifecycle and process management for Apple iPhones, maintenance and expansion of the MDM system, coordination of leasing, device integration into DEP and MDM, followed by a rollout and hardware swap process, plus a BYOD and Android option
  • Migration of the IT ticket system from ManageEngine ServiceDesk Plus to Atlassian Jira Service Management: project management, definition of ticket types, seamless execution according to a detailed timeline, user communication, decommissioning of the old system
  • Project lead: SAP interface in workforce management to automate reading of working hours
  • Sub-project lead for inventory software EZO AssetSonar: demand management, software selection, procurement
Verified expert

Beserithan M.

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SAP All-round Developer

Berlin
Beserithan M.

Last position:

SD Development and CRM Interaction Center Development at Sanner GmbH

  • Part-time 2-3 days/week
  • Developments in the SD module and CRM Interaction Center
  • Consulting, customizing in SD module
  • Adapting Fiori applications in the SD module
  • Approval workflow for credit memos: design, concept, implementation, customizing
  • Credit memo request: object type BUS 2094
  • If the credit memo request value is below a certain threshold -> automatic release and removal of billing block
  • If the credit memo request value is above a certain threshold -> automatic determination of the responsible employee
  • The employee receives a work item in their integrated inbox or in My Inbox (Fiori) -> the employee can reject, approve, or edit the credit memo request
  • UML modeling in technical documentation
  • Creating a Z-table for customer sample line items
  • Merging COA1 (delivery) + COA2 (CAQ) forms and adding to the spool request as a single PDF
  • Correcting workflow title according to NACE, fixing message "ZBMA title is displayed incorrectly in SBWP (Workplace)"
  • Receiving PLM documents from an external PLM system, creating an RFC function module, storing PLM documents in the material master as GOS objects
  • On releasing a production order, reading PLM documents from MM and saving them in a shared folder for the MES system
  • Displaying the number of inspection methods in a popup when creating an order -> VA01/VA02
  • Automatic stock reconciliation LVS IDOC INVCON
  • Performing AQUA tests
  • IDOC archiving for old IDOCs
  • NL_PM_drawings and storing print output, informing MES via ZPPORDER IDOC, writing technical documents
  • Using SD user exits, BADIs for various requirements
  • Extending screens for customer requests via screen exits
  • Creating message types for sales orders, purchase orders, and invoices
  • Extending CRM Interaction Center Business Partner -> Overview -> Contract with customer-specific requirements
  • New Fiori application departure control with data from Z-table and standard equipment tables, displaying a pie chart, calculating "vehicles in operation"
  • Extending Interaction Center Business Partner -> Overview -> new tab on Overview Page with list tables for performance feedback, attachments from GOS objects
  • Extending Interaction Center Business Partner -> Overview -> new tab on Overview Page with list tables for PM quality notifications, attachments from GOS objects
  • Implementing BADIs in CRM
  • File storage on SAP server/UNIX server
  • Using BOL/GENIL architecture in CRM development
  • Project language: German
Verified expert

Taha H.

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Senior Salesforce Developer

Berlin
Taha H.

Last position:

Senior Salesforce Developer at Eurofiber

  • Implemented Service Tickets functionality for the HOLAWAL Partner Portal, taking full ownership of the epic from architectural design to delivery
  • Conducted stakeholder meetings, defined solution approach, and developed a reusable dynamic LWC component that enables configurable flow creation through JavaScript file settings
  • Implemented the IP-VPN workflow as a new business product and managed its end-to-end delivery using Salesforce Communication Cloud
  • Designed and developed a customer-facing quoting mechanism enabling external customers to view and accept quotes seamlessly
  • Localized and enhanced the customer portal by implementing Dutch translations, improving usability and engagement for a major Dutch client
  • Designed a quote request submission flow for the customer portal using Balsamiq wireframing tool, ensuring all required details were captured upfront
  • Developed an order form flow using Lightning Web Components to capture products, linked services, and service locations
  • Configured Salesforce Industries CPQ by modifying existing products, adding new attributes, and implementing validations to enhance product customization and accuracy
  • Implemented Apex mocking using the FFLIB library to build efficient, maintainable, and high-coverage test classes
Verified expert

Shreyashi S.

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Warehouse Assistant

Berlin
Shreyashi S.

Last position:

Warehouse Assistant at Adecco GmbH

  • Sorting of customer orders
  • Packaging and warehouse assistance
  • Working late nights and weekends (130 hours/month)
Verified expert

Anusha R.

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Full-time parenting (Career Break)

Berlin
Anusha R.

Last position:

Full-time parenting (Career Break) at Full-time parenting (Career Break)

Verified expert

Neil P.

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Software Engineer

Berlin
Neil P.

Last position:

Software Engineer at AKDB

  • Maintenance, enhancement, modernization, and testing of the OK.VERKEHR specialized application, a monolithic Enterprise Java solution (approx. 3.5 million LOC) for vehicle registration and driving license authorities
  • Design, development, testing and maintenance of end-to-end workflows (dialogs, backend services and persistence layer, test suite) for new driver's license applications, modifications/extensions of licenses, management of parking permits and truck driver cards
  • Development and maintenance of web services for communication between local road traffic authorities and the Federal Motor Transport Authority (Kraftfahrt-Bundesamt), FAER register, TÜV inspection centers and driving schools
  • Performance optimization and targeted refactoring for the future migration to a cloud architecture and addition of a new web client (Vaadin)
  • 3rd-level support for customers in production

Discover over 15,000 top freelancers

Statistics of experts using SOAP

Aggregated from the professional profiles of matched freelancers.

Experience

18 years (Germany: 20 years)

SOAP experts in Berlin have 18 years of professional experience on average. It is 2 years less than in Germany, where the average stands at 20 years.

Position duration

2 years (Germany: 2.9 years)

SOAP experts in Berlin stay in a single position for 2 years on average. It is 0.9 years less than in Germany, where the average stands at 2.9 years.

Positions per freelancer

13 (Germany: 14)

SOAP experts in Berlin have completed 13 positions on average over the course of their careers. It is 1 fewer than in Germany, where the average stands at 14.

Top business areas

Information Technology, Product Development, Quality Assurance

SOAP experts in Berlin have gathered most of their hands-on project experience in Information Technology, Product Development, and Quality Assurance.

Top industries

Information Technology, Banking and Finance, Retail

SOAP experts in Berlin are most in demand in Information Technology, Banking and Finance, and Retail.

Certification focus areas

Information Technology, Product Development, Project Management

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

Bachelor's degree or higher

100% (Germany: 93%)

100% of SOAP experts in Berlin hold at least a Bachelor's degree. It is 7% higher than in Germany, where the rate stands at 93%.

Master's degree or higher

33% (Germany: 55%)

33% of SOAP experts in Berlin hold at least a Master's degree. It is 22% lower than in Germany, where the rate stands at 55%.

Certifications per freelancer

2 (Germany: 3)

SOAP 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

English, German, French

SOAP experts in Berlin most often speak English, German, and French.

Speak two or more languages

87% (Germany: 95%)

87% of SOAP experts in Berlin speak two or more languages. It is 8% lower than in Germany, where the rate stands at 95%.

Based on our profile pool as of 19 Sep 2026.

Daily rate distribution

0 4 8 12 16
15 of the SOAP experts in Berlin charge less than €800 per day.
6 of the SOAP experts in Berlin charge between €800 and €1200 per day.
2 of the SOAP experts in Berlin charge €1200 or more per day.
<€800 €800-​1200 €1200+

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 SOAP

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

800
600
400
200
Rate comparison chart
Daily rate avg. 719 €
Germany avg. 762 €

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

800
600
400
200
Rate comparison chart
Median rate 720 €
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.

SOAP 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 (57%)
  • Retail (52%)
  • Automotive (48%)
  • Telecommunication (35%)
  • Media and Entertainment (30%)
  • Education (26%)
  • Healthcare (26%)

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

About the technology

What SOAP is

SOAP, or Simple Object Access Protocol, is an XML-based messaging standard for structured communication between applications. It commonly uses HTTP or HTTPS, but can also run over other transport protocols. WSDL describes the service contract, while XML schemas define message structure and data types.

Where it is used

SOAP remains important where strict contracts, formal governance and reliable interoperability matter. Companies use it for internal services, partner connections and long-running enterprise systems.

  • Banking and payment integrations
  • Insurance and public-sector services
  • SAP and ERP communication
  • B2B partner and supplier interfaces
  • Legacy application modernization

Ecosystem and tooling

SOAP projects often combine WSDL, XSD, XML namespaces and schema validation with WS-Security, WS-Addressing and WS-ReliableMessaging. Common tooling includes Apache CXF, JAX-WS, Spring Web Services, .NET WCF and SoapUI. Experts also work with API gateways, message brokers, certificates and CI test pipelines.

When expertise matters

Freelance expertise helps when a service contract is difficult to change, an integration has inconsistent XML behavior or a migration must preserve existing consumers. In Berlin, specialists may support local enterprise teams on-site or work remotely with distributed product, security and operations groups.

  • Define or revise WSDL contracts
  • Diagnose namespace and serialization errors
  • Implement authentication and message signing
  • Test partner services and edge cases

Project deliverables

A capable specialist can produce service contracts, generated client or server bindings, integration adapters and test fixtures. They can document endpoints, map XML schemas to domain models and establish monitoring for failed messages. Strong delivery also includes compatibility checks before changes reach production.

What strong specialists bring

The best professionals understand both the protocol and the business systems behind it. They read XML and WSDL closely, trace messages across transports, and distinguish application faults from network or certificate problems. They also know when SOAP is the safer choice than REST and can explain trade-offs clearly to technical and non-technical stakeholders.

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Frequently asked questions

Curious about SOAP? Here are the answers that come up again and again.

SOAP is used to exchange structured XML messages between independent applications. It is common in banking, insurance, government, healthcare and enterprise systems where formal contracts, security standards and reliable processing are important.

SOAP provides a formal service contract and a broad set of WS-* standards for security, addressing and reliability. REST is usually simpler and more flexible for web APIs, but SOAP can be a better fit when strict governance or established enterprise integrations are required.

A strong SOAP specialist usually works with WSDL, XSD, XML namespaces and schema validation. Useful adjacent skills include Java or .NET, Apache CXF or Spring Web Services, certificate management, OAuth or WS-Security, databases and integration testing.

The right level depends on the scope, not just the age of the service. A straightforward client connection may need focused integration knowledge, while changing shared WSDL contracts, securing messages or migrating legacy services requires a specialist who has handled compatibility and production troubleshooting.

Yes. SOAP work is often suitable for remote collaboration because contracts, schemas, logs and test environments can be shared securely. On-site sessions in Berlin can still help when specialists need access to restricted systems or close coordination with enterprise and compliance teams.

Ask how the specialist has handled WSDL changes, namespace mismatches, XML validation failures and fault responses. A high-quality SOAP professional can explain message flow clearly, show a disciplined testing approach and describe how certificates, retries and backward compatibility are managed.

Simple Object Access Protocol remains relevant when an organization already depends on formal service contracts or WS-* standards. For a new lightweight public API, REST or another modern approach may be more practical, but the decision should follow security, governance and interoperability needs.

Before starting SOAP work, clarify the available WSDL files, schema ownership, transport, authentication method and test endpoints. Freelancers should also ask about generated bindings, release constraints, partner dependencies and whether remote access to sensitive enterprise systems is possible.

The average hourly rate of freelancers in Berlin, Germany who have used SOAP in their recent projects is 90 €, which corresponds to a daily rate of about 719 € based on an 8-hour working day.

Of the freelancers in Berlin, Germany who have used SOAP in their recent projects, 100% hold at least a Bachelor's degree and 33% hold at least a Master's degree.

On average, freelancers in Berlin, Germany who have used SOAP in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 2 years.

The most common languages among freelancers in Berlin, Germany who have used SOAP in their recent projects are English (91%), German (78%), and French (13%).

The most common industries among freelancers in Berlin, Germany who have used SOAP in their recent projects are Information Technology (100%), Banking and Finance (57%), and Retail (52%).

The most common business areas among freelancers in Berlin, Germany who have used SOAP in their recent projects are Information Technology (100%), Product Development (87%), and Quality Assurance (52%).

Main locations of FRATCH Experts, who have recently used SOAP

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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