
SOAP Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used SOAP
Cornelius H.
Last position:
Solution Architect at STIHL
- Remodeling of the system architecture for an Azure-based platform aimed at rapid development of new functionalities
- Modeling of a staging concept for the fulfillment of diverse customer and QA needs
- Creation of requirements for, and oversight of, a proof-of-concept supplier project for a Flutter app with highly advanced BLE functionalities
- Comparison of multiple observability platforms for feasibility and requirements fit within the project environment
- Creation of a mobile app architecture based on domain-driven architecture
- Position of technical advisor and accountable solution architect for two development teams
- Execution of architecture reviews and alignment of changes with architectural expectations
- Skills & Technologies: Microsoft Azure , App Services, NodeJS Mono-repository, microservice architecture, domain driven design, self contained systems, requirements engineering, CI/CD, DevOps, API design, solution architecture
Rizwan B.
Last position:
Software Developer/Database/Devops at Sutor Bank
Project:
- Migration of existing VB6 applications to C# (Web API, web app)
- Report development and risk management systems (C#, API interfaces, databases)
- Document archive (API interfaces, databases)
Team size: 9 people
- Reports for Risk and Credit Management Development and maintenance of report structures to support risk and credit decisions, including data modeling, validation, and automated delivery for business departments.
- Migration and maintenance of a legacy system to the latest version of .NET for the asset management system Planning and execution of the modernization of an existing asset management system, including code refactoring, performance optimization, test automation, and sustainable maintenance after migration.
- Replacement of the COM-based archive connection with a REST API Redevelopment of the connection of the document archive (HYPARCHIV) to a REST API based on OpenAPI/Swagger, including archiving with index and stamp fields as well as PDF export into the customer portal.
- Redesign of payment receipt processing Replacement of an existing Oracle PL/SQL process with a new implementation in C# based on a business concept, including business alignment, data modeling, and test coverage.
- Design and implementation of tests, creation of deployment pipelines, and documentation
- Further development and implementation of change requests.
- Regular code reviews within the team as well as optimization of application scalability and stability
Technologies: C#, .NET 10, ASP.NET, Unit of Work, IoC, Three-Tier Architecture, Entity Framework Core, DB First, Web API, Swagger, OpenAPI, Python, Oracle, HYPARCHIV, Azure, PowerBI, DevOps, AKS (Azure Kubernetes Service), GIT, xUnit, NSubstitute, TypeScript, Vue.js, Pinia,
Methods: agile development using Scrum
Marcus B.
Last position:
Data Engineer at Deutsche Bahn AG via Scoore GmbH
- Development of ETL pipelines with Talend (7/ Enterprise)
- Development/adaptation of database schema/database functions (PostgreSQL)
- Development of GIT CI pipelines
Technologies: Talend Enterprise, Git, PostgreSQL, Dbeaver, SQL, PL-SQL, Liquibase
Florian W.
Last position:
Software Engineer at micimo GmbH
- Developing a professional scheduler for organizations with specific detailed requirements
- Evaluating different existing software solutions
- Creating a list of technical requirements
- Implementing these requirements
- Selected technologies: WebDAV, CalDAV, Rust, Baikal, OAuth, Keycloak
Rainer D.
Last position:
Enterprise Architecture Management / Backend Software Developer at Polizei Hamburg
- Several projects in a police context
- Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
- Create software architectures with microservices
- POC development with Springboot/Docker/Kubernetes
- Project size: 10 people
- Enterprise architecture management with Togaf and Archimate
- Backend software development Springboot
- DevOps with Kubernetes
- Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate
Guido B.
Last position:
Independent Management Consultant and Interim Manager at BCTC Unternehmensberatung Guido Bäcker
Consulting, training, and coaching in the financial sector on strategy, organization, and IT topics
MorgenFund: Advising the operator of a fund platform on software selection for a sub-ledger "Cash Accounts" based on Virtual IBANs (VIBAN)
Structuring requirements, market screening, creating RfIs, communicating with vendors, and conducting the selection process
UniCredit/HypoVereinsbank: Workstream lead "Booking and Customer Reporting" in the payment transformation project "PULS"
Business analysis, creating business requirements and aligning solution items as part of the functional specification with the bank's IT service providers
Business analysis of SEPA CT and SWIFT MX (.camt, .pain, and .pacs formats), change management, team lead for a virtual team of fifteen line experts, and stakeholder management
equensWorldline Germany: Program management for three projects of the SWIFT service bureau (CBPR+, ESMIG, and Euro1Step1 migration) as part of the SWIFT MX migration
Managing individual project managers regarding overarching goals and requirements; reporting to internal and external committees and stakeholders; coordinating with dependent projects and programs
Project management/PMO: interim project management, stand-in for project managers, resource planning, budget and cost management, general PMO tasks
Patrick M.
Last position:
Product Owner at Telefonica Deutschland GmbH
- Introduced a service management system
- Optimized processes
- Introduced an agile way of working
- Implemented and configured Atlassian Jira Service Management
- Prioritized features
- Coordinated with stakeholders and the business unit
- Managed the backlog and created user stories
- Managed the budget
- Coordinated a Scrum team
- Used Atlassian Jira and Confluence
- Used Microsoft Teams
- Worked with Scrum and Kanban
Torsten L.
Last position:
Technical design and development of frontend and backend for e-waste-race.de / textil-race.de at Das macht Schule gemeinnützige GmbH
- Creation of a platform where schools can run competitions to collect e-waste or old textiles
- Development of a shared PHP backend for administration by the client
- Connection of two separate WordPress sites via REST API
- Development of a custom WordPress theme with an extensive login area for students
- Setup of normally editable content pages using Elementor
Michael R.
Last position:
Director Digital Strategy (part-time) at VASATASCHRÖDER GmbH
- Focus on integrated comms planning, marketing consulting and brand strategy in a director role (3 direct reports)
- Providing C-level advice on brand building and management
- Responsible for major new business wins
- Strategic development of integrated marcom and brand strategy
- Clients (among others): Pfister, Mainova, Hamburger Energienetze
Patrick V.
Last position:
Senior Director, Retail Media at EUROBAUSTOFF Handelsgesellschaft mbH & Co. KG
- Strategic consulting on marketing funds (WKZ) and retail media, focusing on monetization opportunities and data-driven business models
- Conducting a portfolio analysis of existing WKZ measures to assess the revenue and ROI impact of WKZ investments on supplier performance
- Potential analysis of digital WKZ products and initiatives to identify growth and efficiency levers
- Preparing and presenting the results to management and deriving a strategic move-forward plan
- Designing and facilitating several executive workshops to develop a holistic retail media vision and transformation roadmap
- Defining and prioritizing retail media business cases for data-driven evaluation of investment options
- Developing a technical target architecture considering heterogeneous ERP infrastructures and designing an integrated loyalty program
- Designing change management, including impact analysis on organizational structures and processes
- Creating and presenting C-level decision templates
- Establishing a clear retail media governance structure and technical foundation for data-driven marketing
- Developing a roadmap for implementation in 2026
David A.
Last position:
Senior SAP Commerce Cloud Developer at Freelancer
- Integration of SAP Commerce Cloud with SAP Cloud for Customer
- Creation and execution of unit and integration tests
- Error analysis and bug fixing
Sridhar H.
Last position:
SAP CX Consultant at Anonymous
- Stack: SAP Commerce 2011 (B2C).
- Migrating the data from Stibo system to SAP Commerce Cloud.
- Mapping the data from Stibo system to SAP Commerce Cloud.
- Integrating hot folders to support multiple countries and languages.
- Integrating validation tools for migrated data and generating validation reports.
Abdullah B.
Last position:
Architect at init SE
- Design and integration of 12 subsidiaries with individual sales processes into a shared Salesforce Sales Cloud instance
- Planning and implementation of 12 organizational units, including their specific business processes, in Salesforce Sales Cloud
- Architecture and implementation of a unified Sales Cloud solution for 12 different companies with individual requirements
- Translation of product owner requirements into user stories, tickets, and development packages
- Design, documentation, and implementation of sales processes in Salesforce
- Migration of 6 entities from legacy systems to Salesforce, including migration planning and execution
- Development and implementation of the data model as well as the sharing and permissions model for the Salesforce organization
Florian F.
Last position:
Solution Architect with Developer Focus at SymFinIT Solutions GmbH
- Further development of a finance layer for subscription and one-time purchase billing and accounting.
- Technologies: Kotlin, AWS (SQS, S3, ElastiCache, Aurora), React, TypeScript, Coroutines, IntelliJ IDEA, Spring (Boot, Data, WebFlux), JUnit, Testcontainers, Cucumber, Liquibase, PostgreSQL, Webservices (REST), R2DBC, OpenAPI 3, Gradle, GIT, Docker, Netty, GitHub Actions, Jira/Confluence, arc42
Bharathi V.
Last position:
Senior Software Engineer (Individual Contributor) at European XFEL
- Electronic logbook app developed for research centers to maintain their investigations.
- Emphasizes user-driven organization of communication: experiment groups can configure information structure and notifications, while principal investigators maintain full access control.
- Real-time integration with the facility’s metadata catalogue, control system Karabo, and data analysis tool enables the automatic logging of key events, complemented by manual entries as needed.
Discover over 15,000 top freelancers
Statistics of experts using SOAP
Aggregated from the professional profiles of matched freelancers.
Experience
17 years (Germany: 20 years)

Position duration
2.1 years (Germany: 2.9 years)

Positions per freelancer
14

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Professional Services, Retail

Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 93%)
Master's degree or higher
56% (Germany: 55%)
Doctorate
11% (Germany: 9%)

Certifications per freelancer
2 (Germany: 3)

Most common languages
German, English, French

Speak two or more languages
95%
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 Hamburg 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 Hamburg 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 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 (86%)
- Professional Services (59%)
- Retail (50%)
- Banking and Finance (41%)
- Healthcare (41%)
- Manufacturing (41%)
- Education (32%)
- Advertising (23%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Enterprise XML Messaging and Standards
Simple Object Access Protocol remains a foundation for enterprise data exchange across distributed systems. It relies on strictly typed XML payloads, formal WSDL definitions, and XML Schema validation to guarantee operational integrity. Organizations depend on these protocols to exchange mission-critical records with deterministic structures across heterogeneous networks.
Critical Integration Capabilities
- Defining and maintaining formal WSDL service contracts
- Enforcing message-level WS-Security, encryption, and digital signatures
- Validating XML Schema artifacts against high-throughput payloads
- Implementing reliable messaging standards such as WS-ReliableMessaging
- Bridging legacy endpoints with modern API gateways and cloud platforms
Ecosystem and Middleware Frameworks
Modern delivery environments link web services through robust middleware platforms. Specialists work extensively with Apache CXF, Java JAX-WS, Spring Web Services, and enterprise service buses like MuleSoft or IBM MQ. They configure protocol bindings, handle automated fault structures, and orchestrate complex transactions using tools like SoapUI and enterprise proxy systems.
Industrial Applications in Hamburg
In Hamburg, enterprise messaging is essential for maritime logistics, supply chain hubs, and banking operations. Transport terminals and financial clearing systems maintain interfaces connecting port authorities, customs platforms, and back-office ERP systems. Local teams require seamless cooperation between on-site enterprise architects and remote implementation professionals.
When Organizations Hire Specialists
Companies hire external professionals when standard REST workflows cannot satisfy strict transaction guarantees or compliance mandates. Typical initiatives involve modernizing core service architectures without breaking existing partner connections, resolving complex cryptographic handshakes, or auditing interface performance under heavy XML parsing loads.
Evaluating Senior Technical Competence
Top specialists demonstrate deep command of serialization overhead, network latency mitigation, and enterprise security policies. They write unambiguous schema definitions, isolate integration regressions before deployment, and design resilient wrappers that allow legacy services to co-exist with modern microservices architectures.
Frequently asked questions
Key details about SOAP, drawn from the questions we get asked most.
SOAP is an XML-based messaging protocol used for exchanging structured information in decentralized environments. It is standard in financial systems, enterprise ERP integrations, and government interfaces where formal WSDL contracts and deterministic payload validation are mandatory.
While REST relies on stateless operations and lightweight JSON, Simple Object Access Protocol uses strict XML specifications and formal interface contracts. It offers enterprise extensions like WS-Security and automated schema verification that ensure reliable transactional handling.
Specialists delivering SOAP web services regularly use Apache CXF, JAX-WS, Spring-WS, and enterprise gateways like IBM Integration Bus. For testing, debugging, and mock services, they rely heavily on SoapUI and Postman.
Enterprises across the Hamburg metropolitan area maintain significant logistical, port-related, and financial backbones that run on SOAP. These regulated systems demand backwards compatibility, rigid contract enforcement, and secure machine-to-machine communication with partner carriers and authorities.
Yes, implementation and contract design for SOAP interfaces are typically handled remotely. However, for organizations in Hamburg managing sensitive banking or port logistics infrastructure, hybrid arrangements ensure compliance with on-site governance policies.
An effective professional working with SOAP brings expertise in XML Schema, XSLT transformations, PKI certificate management, and Java or .NET backends. They also understand how to expose legacy services through modern REST or GraphQL wrappers.
High-quality SOAP implementations feature clean WSDL definitions that validate without warnings, deterministic error handling via SOAP faults, and minimal XML processing latency under peak network load.
Architecting transformations around SOAP web services requires senior-level familiarity with enterprise service buses and legacy middleware. Strong specialists understand distributed transaction handling, preventing integration failures across external partner networks.
The average hourly rate of freelancers in Hamburg, Germany who have used SOAP in their recent projects is 96 €, which corresponds to a daily rate of about 765 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used SOAP in their recent projects, 100% hold at least a Bachelor's degree, 56% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used SOAP in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Hamburg, Germany who have used SOAP in their recent projects are German (100%), English (95%), and French (14%).
The most common industries among freelancers in Hamburg, Germany who have used SOAP in their recent projects are Information Technology (86%), Professional Services (59%), and Retail (50%).
The most common business areas among freelancers in Hamburg, Germany who have used SOAP in their recent projects are Information Technology (95%), Product Development (82%), and Project Management (68%).
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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