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SOAP Experts in Stuttgart

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Hire experts who design SOAP web services, integrate legacy enterprise systems, and support WSDL, XML, and WS-* security across complex back-end landscapes. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Stuttgart, who have recently used SOAP

Verified expert

Carlos Medina

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Implementation in Pimcore/Shopware

Stuttgart
Carlos Medina

Last position:

Implementation in Pimcore/Shopware

  • Consulting, design, analysis, software architecture and development
  • Designing, developing, and implementing a Pimcore environment and connecting multiple external API systems in a Kubernetes environment, as well as various PIM and ERP systems
  • Technologies: Unix environment, design, Symfony development, PHP 8+, software architecture, MySQL/SQL, shell scripting, Git DevOps tasks, AI coding support, Pimcore 12, Shopware 6
  • Team size: >10 people
Verified expert

Robin Sadlo

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Senior Cloud & Backend Engineer

Stuttgart
Robin Sadlo

Last position:

Senior Cloud & Backend Engineer at Media-Saturn-Holding GmbH

  • Implementing applications with Kotlin and Ktor as microservices
  • Using MongoDB in the MongoDB Atlas cloud
  • Asynchronous communication of services via Google Pub/Sub
  • Using Kotest and MockK for unit tests
  • Developing an administration frontend with TypeScript, React and Express.js
  • Provisioning environments in GCP using Terraform
  • Implementing CI/CD processes with GitHub Actions
  • Operating scalable production and test environments in GCP with Kubernetes, Helm and Flux CD
  • Monitoring environments with Prometheus and Grafana
  • Providing BI data in the Google BigQuery data warehouse
Verified expert

Will Orrantia

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Solution Architect

Esslingen
Will Orrantia

Last position:

Solution Architect at Stuttgart Police Authority

  • Designing the migration strategy for WLS applications to the BKA cloud and Stack IT

  • Creating a hybrid cloud for internal testing and development with Kubernetes

  • Transforming the IT landscape from a legacy monolithic architecture to a cloud-based architecture

  • Integrating new CI/CD processes using Azure Pipelines

  • Quadrupled the throughput of personnel security checks

  • Migrated personnel security clearance applications to Docker-based applications

  • Built CI/deploy pipelines with Azure DevOps

  • Environment: Java Spring Boot, Kubernetes, Oracle WebLogic, OpenID, Camunda, JUnit, TOGAF

Verified expert

Lothar Hinsche

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Solution Manager for PoC investigation and for replacing and refining an existing cloud and IoT power plant control system

Ditzingen
Lothar Hinsche

Last position:

Solution Manager for PoC investigation and for replacing and refining an existing cloud and IoT power plant control system at Shell AG and NEXT Kraftwerke GmbH

  • Investigating the PoC and replacing and refining an existing cloud and IoT power plant control solution for certificate management of renewable energy plants (solar, wind, biomass, etc.) for the largest European renewable energy network operator, including examining the field IoT devices and their integration and network connections, aiming for automated PKI key management.
  • Messaging with Kubernetes for large API-connected enterprise applications
  • Risk and attack vector analysis, software quality & bug assessments
  • Agile workload scheduling via Jira & Confluence
  • Evaluation of pub/sub message streams for MQ and Kafka.
  • Various tests with “best design approaches” for resilience patterns like circuit breaker designs, throughput measurement and monitoring, bulkhead governors – for robust EA design
  • Integration of API management with IBM's API Connect to Kubernetes for platform-agnostic microservices API management designs. Google Apigee
  • Solution health check approaches for load burst situations + remedy
  • Research and evaluation of potential sub-service providers in the coordinating role as solution manager. CIS20 controls.
  • DREAD and STRIDE security assessments.
Verified expert

Achille Chimi

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Backend/Frontend Developer

Vaihingen an der Enz
Achille Chimi

Last position:

Backend/Frontend Developer at ITZ-Bund

  • Development of a microservice application for calculating postings on accounts

  • Development of backend components with Java or JEE, Quarkus, Kafka, Rest API

  • Development of the test component with mocking frameworks (Mockito)

  • Development of integration test components

  • Creation of OpenAPI specification format

  • Configuration of CI/CD pipeline

  • Development of frontend components with React

  • Design, further development and optimization of system structures

  • Code review

  • Java Corretto 21, JEE, Quarkus, Golang

  • Reactive programming with Spring WebFlux, Project Reactor

  • Git, Azure DevOps for CI/CD pipeline, YAML, Json Swagger UI, Postman, Rest OpenAPI, Kafka Streams, Kafka Connect, Log4J

  • Microservices, Jira, Confluence, MySQL, Docker, Kubernetes (deployment via Helm charts)

  • Spring Security, OAuth 2, JWT, Sonarqube

  • IntelliJ, Maven, logging framework Splunk, Agile method Scrum, Nexus, Vaadin V24, build tool Vite

  • React, React.JS, Node.js, Jess/JavaScript, Tailwind CSS, Agile method Scrum, accessibility BITV, Playwright

Verified expert

Mangal Mahalinge

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Test Analyst

Stuttgart
Mangal Mahalinge

Last position:

Trainee Product Management at Digitale Leute Schule

  • Remote learning with experts and 636 instructional units.
  • Product management bootcamp teaching agile methods and software tools for modern product management in complex software projects.
  • User experience (UX) · product management · Figma (software) · user-centered design · Scrum · agile project management · Jira · Confluence · product discovery · backlog management · user experience design (UED) · prototyping · lean thinking · product roadmapping · user stories · Miro collaboration platform · application monitoring tools · performance metrics · lean product management · product design kickoff indicators (KPI) & tracking events · product strategy · business modeling · product vision & goals · product discovery.
Verified expert

Zouhair Hamama

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SAP S/4 HANA Developer

Stuttgart
Zouhair Hamama

Last position:

SAP S/4 HANA Developer at BGZ Essen

  • Explorer phase: document preparations for development
  • Getting started with the BTP documentation
  • Documentation of WRICEFs
  • Programming guidelines with consideration of Clean Core
  • Analysis of customer programs to be migrated
  • ABAP call monitoring (SCMON, SUSG)
  • Creation of concept documents for the project
Verified expert

Elvir Büyükbayrak

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Software Architect and Software Developer

Stuttgart
Elvir Büyükbayrak

Last position:

Software Architect and Software Developer at Noctica IT GmbH

  • NocTime time tracking, workshop planner, meal delivery service app
  • LLM-based chat bot to control the NocTime time tracking system via voice input
  • New and further development of customer solutions based on the Noctica SAS app framework
  • Technologies: Java 17, Spring Boot, JPA, Hibernate, JavaScript, TypeScript, Angular 20, Angular Material, React, C#, Docker, Bash, Git, GitLab, RedMine, SQL, DBeaver, MariaDB, PostgreSQL, Python, TensorFlow, Ollama, various LLMs

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

1.5 years (Germany: 2.9 years)

Positions per freelancer

17 (Germany: 14)

Top business areas

Information Technology, Product Development, Business Intelligence

Top industries

Information Technology, Automotive, Banking and Finance

Certification focus areas

Information Technology, Project Management, Product Development

Bachelor's degree or higher

100% (Germany: 93%)

Master's degree or higher

63% (Germany: 54%)

Certifications per freelancer

1 (Germany: 3)

Most common languages

German, English, French

Speak two or more languages

100% (Germany: 95%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 2 4 6 8
<€800 €800-​1200 €1200-​1600 €1600+

The chart shows how the daily rates of freelancers in this technology in Stuttgart 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 Stuttgart using SOAP

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 875 €
Germany avg. 765 €

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

1000
750
500
250
Rate comparison chart
Median rate 860 €
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

About the technology

SOAP basics

SOAP, or Simple Object Access Protocol, is a structured protocol for exchanging XML messages between systems. Companies use it for service-to-service communication, stable integration layers, and enterprise interfaces that must be explicit about contracts and message formats.

Where it fits

  • ERP and CRM integrations
  • Finance and insurance back-end services
  • Partner and supplier interfaces
  • Legacy system connectivity

SOAP is common when strict schemas, formal contracts, and clear error handling matter more than lightweight payloads. It often appears in environments that also use WSDL, XSD, and WS-Security.

Tooling and stack

Strong specialists work comfortably with WSDL definitions, XML namespaces, XSD validation, and message tracing. They also know how SOAP services sit next to REST APIs, middleware, and ESB-style integration layers.

Typical work includes:

  • Service design and contract updates
  • Client stubs and server endpoints
  • Authentication and message security
  • Debugging interoperability issues

When teams bring help

Companies usually seek freelance expertise when a SOAP interface is failing, a legacy service needs to be extended, or a new partner connection must follow an existing contract. In Stuttgart, this often comes up in industrial, automotive, logistics, and enterprise IT settings where old and new systems must work together.

What good specialists do

A strong SOAP professional reads the full contract, checks the XML payloads, and tests the edge cases that break integration. They document message structures clearly, keep compatibility intact, and know where to look when a fault, header, or schema mismatch causes trouble.

How to assess fit

Look for people who can explain WSDL, SOAP actions, namespaces, and WS-Security without guessing. They should be able to discuss transport choices, versioning, and how SOAP services are monitored in production. Clear communication matters, especially when on-site workshops in Stuttgart need to align with remote delivery and existing team processes.

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Frequently asked questions

Not sure where to start with SOAP? These answers cover the essentials.

SOAP is used for structured system integration where contracts must stay stable and message formats must be explicit. It is common for enterprise back ends, partner connections, and older services that still need reliable XML-based communication.

SOAP is more formal and contract-driven than REST. Teams often choose it when they need WSDL-based definitions, strong message structure, or WS-Security features that fit enterprise integration requirements. REST is usually simpler, but it does not replace SOAP in every system.

Yes. SOAP services are often defined and consumed through WSDL, which describes operations, messages, and endpoints. A good specialist should also understand XSD schemas and how XML payloads map to the contract.

A strong SOAP professional usually knows XML, XSD, WSDL, WS-Security, and HTTP transport details. Depending on the system, they may also need experience with Java, .NET, middleware, or legacy enterprise integration tools.

SOAP projects need people who can work with existing contracts and spot compatibility problems quickly. For simple adjustments, a focused specialist may be enough. For fragile integrations or security-sensitive services, you want someone who has handled production support and interface troubleshooting before.

Most SOAP work can be done remotely because it centers on contracts, payloads, and test results. On-site time in Stuttgart can help when teams need workshops, system access coordination, or close alignment with internal stakeholders and legacy owners.

Ask how they validate WSDL changes, handle XML edge cases, and test faults and security headers. A strong SOAP specialist explains trade-offs clearly, keeps backward compatibility in mind, and can show how they debug integration issues from request to response.

Yes. SOAP is short for Simple Object Access Protocol, and people often also refer to SOAP web services when they mean the same integration style. In practice, the term usually points to XML-based service communication with a formal contract.

The average hourly rate of freelancers in Stuttgart, Germany who have used SOAP in their recent projects is 109 €, which corresponds to a daily rate of about 875 € based on an 8-hour working day.

Of the freelancers in Stuttgart, Germany who have used SOAP in their recent projects, 100% hold at least a Bachelor's degree and 63% hold at least a Master's degree.

On average, freelancers in Stuttgart, Germany who have used SOAP in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 1.5 years.

The most common languages among freelancers in Stuttgart, Germany who have used SOAP in their recent projects are German (100%), English (100%), and French (30%).

The most common industries among freelancers in Stuttgart, Germany who have used SOAP in their recent projects are Information Technology (100%), Automotive (70%), and Banking and Finance (70%).

The most common business areas among freelancers in Stuttgart, Germany who have used SOAP in their recent projects are Information Technology (100%), Product Development (80%), and Business Intelligence (60%).

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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Philipp Thomaschewski

FRATCH CEO

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