
SOAP Experts in Berlin
for reliable enterprise integrations, matched with vetted freelancers in minutesHire experts who design and maintain SOAP web services, integrate WSDL contracts and secure XML-based APIs, while FRATCH finds a precise match with vetted, available freelancers quickly.
Meet FRATCH Experts in Berlin, who have recently used SOAP
Toralf C.
Last position:
IT Consultant in PKI Software Development at BWI
- Implementation of a full-stack application with Angular as frontend framework and Java as backend language
- Use of the Swagger OpenAPI specification for REST communication between frontend and backend applications
- Control of a card printer via the Nexus Card SDK framework
- Design and implementation of card management software with web interface and JavaFX module for printer monitoring
- Use of Cucumber tests for test automation and creation of test artifacts for testing outside the development environment
- Use of Wireshark for network investigations to analyze the API of a third-party product and to check the REST API of the self-developed software
Christian P.
Last position:
Project Manager at Kreis Segeberg
- WiNOWiG enhancements (digitalization & organization)
- Project management for the WiNOWiG project (regulatory offenses)
- Process optimization and coordination
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.
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.
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
Ola V.
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
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
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.
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.
Neil P.
Last position:
Software Engineer at AKDB
- Maintenance, further development, modernization and testing of the OK.VERKEHR specialist application, a monolithic Enterprise Java solution (with approx. 3,5 Mio 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 driving license applications, changes/extensions to driving licenses, management of parking permits and truck driver cards
- Development and maintenance of web services for communication between local traffic authorities and the Federal Motor Transport Authority, FAER register, TÜV testing centers and driving schools
- Performance optimization and targeted refactoring for the future migration to a cloud architecture and the addition of a new web client (Vaadin)
- 3rd-level support for customers during ongoing operations
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
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
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)
Anusha R.
Last position:
Full-time parenting (Career Break) at Full-time parenting (Career Break)
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
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)

Position duration
2.1 years (Germany: 3 years)

Positions per freelancer
13 (Germany: 14)

Top business areas
Information Technology, Product Development, Quality Assurance

Top industries
Information Technology, Banking and Finance, Retail

Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 93%)
Master's degree or higher
33% (Germany: 55%)

Certifications per freelancer
2 (Germany: 3)

Most common languages
English, German, French

Speak two or more languages
87% (Germany: 96%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Berlin are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Berlin using SOAP
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 29 Oct 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
SOAP foundations
SOAP, or Simple Object Access Protocol, is a structured messaging standard for exchanging XML data between applications. It commonly runs over HTTP or HTTPS and uses defined envelopes, headers and bodies. WSDL contracts describe available operations, messages and data types so separate systems can communicate predictably.
Enterprise integration
SOAP remains important where strict contracts, formal error handling and established security controls matter. It connects internal applications, partner systems and public services across banking, insurance, healthcare, logistics and government. In Berlin, specialists often support integration landscapes that must connect long-running enterprise systems with newer applications.
Ecosystem and tooling
SOAP work involves more than XML messages. Strong professionals understand:
- WSDL and XSD contract design
- XML namespaces, schemas and validation
- WS-Security, SAML and message signing
- SOAP 1.1, SOAP 1.2 and MTOM attachments
- Java, .NET, Spring Web Services and Apache CXF
When expertise helps
Companies bring in freelance specialists when a legacy integration needs repair, a partner contract is changing or a new service must meet an existing WSDL. They also help during migrations, production incidents, security reviews and test automation. Clear documentation and controlled changes are essential when many systems depend on one service contract.
Delivery and collaboration
A capable SOAP specialist can map business operations to XML structures, generate or review client stubs, configure endpoints and trace faults across distributed systems. They set up contract, integration and regression tests, then document deployment and support procedures. Remote work is practical when logs, environments and stakeholders are accessible; on-site collaboration may help during complex cutovers in Berlin.
What strong specialists bring
Quality shows in careful contract analysis, compatible schema changes and useful fault messages. Experienced professionals distinguish transport errors from application faults, protect sensitive XML data and verify certificate handling. They also know when REST, messaging or a gateway is a better fit, while preserving SOAP where its contracts and reliability requirements remain valuable.
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 applications, especially when operations, data types and security rules must be defined formally. It is common in enterprise integrations, partner interfaces and regulated environments.
SOAP provides formal contracts, built-in standards around message security and structured fault handling. REST is usually simpler for resource-oriented web APIs, but SOAP can be the stronger choice when existing WSDL contracts, strict governance or enterprise security requirements drive the integration.
A strong SOAP specialist should understand XML, XSD, WSDL, HTTP and TLS. Experience with WS-Security, SAML, Java or .NET, enterprise service buses, automated testing and observability is also valuable.
The right level depends on the system’s risk and scope. A small client change may need focused contract and testing knowledge, while a migration or production integration calls for a professional who has handled WSDL evolution, security configuration, fault analysis and releases across dependent systems.
Yes. SOAP projects can usually be handled remotely when the specialist has secure access to repositories, test environments, service logs and technical contacts. On-site sessions may still be useful for workshops, incident response or coordinated cutovers with local teams.
Ask the specialist to explain a WSDL, message flow and failure scenario in clear terms. Good delivery includes contract tests, XML validation, secure headers, meaningful fault handling, documentation and evidence that compatible changes were tested against dependent systems.
SOAP can still be appropriate for new services that must integrate with established enterprise systems or meet formal security and contract requirements. For lightweight public APIs, REST or event-based messaging may reduce complexity, so the decision should follow the integration context rather than preference alone.
Freelancers working with SOAP often deal with detailed contracts, legacy constraints and several dependent systems. They may review WSDL files, build service clients, troubleshoot namespaces or certificates, improve automated tests and coordinate carefully with teams responsible for connected applications.
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 2.1 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.
Countries:
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