SOAP Experts in Stuttgart
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Meet FRATCH Experts in Stuttgart, who have recently used SOAP
Artyom N.
Last position:
AI Automation Engineer & Solution Architect at Technology Research Project
Designed and developed an AI-powered automation platform using n8n to analyze social media niches, identify target audiences, and automate marketing strategy generation. The solution combined AI agents, workflow orchestration, and data analysis to automate research processes and generate data-driven insights.
- Designed and implemented complex automation workflows using n8n
- Developed AI-powered analysis agents for market and audience research
- Integrated multiple APIs and AI services into automated workflows
- Built automated market, competitor, and target audience analysis pipelines
- Leveraged Large Language Models (LLMs) for information summarization, classification, and prioritization
- Containerized and deployed the platform using Docker
Technologies: n8n, AI Agents, OpenAI APIs, Prompt Engineering, LLMs, Docker, Linux, REST APIs, Webhooks
Emmanuel L.
Last position:
Founder and sole developer
- Development of a SaaS platform for esports teams with roles, scheduling, statistics, and billing
- Planning and implementation of the architecture, external API integrations, and operations
- Stack: Laravel 13, React 19, TypeScript, PostgreSQL, Redis, and Stripe
Carlos M.
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
Robin S.
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
Will O.
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
Lothar H.
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.
Achille C.
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
Mangal M.
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.
Zouhair H.
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
Erol T.
Last position:
Continental AG
- Analyze and fix data flows between PMD and SAP HR/S4 systems using SAP PI/PO and ABAP, especially in the HR area.
- Provide integration services by developing, customizing, and troubleshooting issues in custom interfaces and processes.
- Participate in technical and functional discussions to align the HR system architecture and integration strategies.
- Ensure system stability and data accuracy by proactively identifying and resolving integration issues to contribute to ongoing project success.
- Transfer HR data via OData service to SuccessFactors ABAP-OO report: access LDAP user data alongside SAP user data and update the email address and Windows ID in SAP.
- S/4 HANA, ABAP/4, ABAP-Object, S/4 HR, FI, SoapUI, Postman, REST API, JSON.
Elvir B.
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
16 years (Germany: 20 years)
Position duration
1.4 years (Germany: 2.9 years)
Positions per freelancer
16 (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
89% (Germany: 93%)
Master's degree or higher
56% (Germany: 55%)
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 19 Sep 2026.
Daily rate distribution
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.
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 (100%)
- Automotive (64%)
- Banking and Finance (64%)
- Manufacturing (55%)
- Government and Administration (55%)
- Retail (55%)
- Insurance (45%)
- Professional Services (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Standardized XML Messaging in Enterprise Architecture
SOAP, originally known as Simple Object Access Protocol, remains a cornerstone for enterprise communication. It relies on strict XML contracts to exchange structured information across distributed systems. Organizations choose it when formal interface validation, strict typing, and platform independence are mandatory for mission-critical operations.
Core Tooling and WS Specifications
Working with this protocol requires deep familiarity with contract-first development and enterprise web service tooling. Key components include:
- Defining service contracts using WSDL documents and XSD schemas
- Securing message payloads with WS-Security and XML Encryption
- Managing stateful interactions via WS-ReliableMessaging and WS-Addressing
- Implementing services with Apache CXF, Jakarta XML Web Services, or WCF
Industrial Integration Across Stuttgart
In the Stuttgart region, manufacturing powerhouses, automotive suppliers, and financial service providers rely heavily on enterprise service buses. Legacy backends, supply chain networks, and ERP systems such as SAP communicate over SOAP web services. Local teams need specialists who can maintain these high-throughput interfaces without disrupting running assembly or billing pipelines.
When to Bring in External Protocol Specialists
Companies hire external talent when legacy systems need refactoring, compliance audits demand end-to-end payload encryption, or integration bridges between modern microservices and existing mainframes must be built. Outside professionals resolve serialization bottlenecks, handle complex schema migrations, and unblock integration testing between disparate vendor tools.
Migration and Coexistence with Modern Architectures
Modernization rarely involves an immediate rewrite. Instead, specialists build API gateways that expose REST or gRPC to web and mobile clients while delegating transactions to existing SOAP endpoints. This hybrid pattern protects core business logic, preserves established compliance controls, and ensures dependable operations throughout long-term architectural transitions.
Distinguishing Strong Protocol Professionals
Top specialists understand the subtleties of XML parsing overhead, schema versioning strategies, and transport layer configurations like HTTP and JMS. They trace faults using detailed envelope logs, structure clean WSDL definitions, and guarantee that message validation catches payload errors before downstream enterprise databases are touched.
Frequently asked questions
Not sure where to start with SOAP? These answers cover the essentials.
SOAP provides an extensible, strictly typed framework for remote procedure calls and document exchanges. It enforces machine-readable contracts using WSDL files, ensuring that two disparate corporate systems can safely transact without silent data corruption.
While REST favors lightweight JSON exchanges for mobile and web clients, Simple Object Access Protocol excels in regulated corporate environments. It offers built-in WS-Security standards, ACID transaction support via WS-AtomicTransaction, and strict contract validation out of the box.
Specialists working with SOAP web services typically bring extensive experience in Java frameworks like Apache CXF and Jakarta XML Web Services, or Microsoft .NET technologies like WCF and CoreWCF. Strong knowledge of enterprise service buses, XML parsing, and enterprise integration patterns is equally standard.
Most development, schema design, and integration testing for SOAP architectures take place remotely. However, clients in Stuttgart often request occasional on-site workshops for architecture alignments or sensitive production cutovers inside internal networks.
Modernizing systems that run SOAP interfaces demands senior professionals with direct experience in enterprise legacy stacks. They must understand decades-old schema patterns, transport protocols over JMS or HTTP, and modern gateway mediation patterns.
A qualified expert inspects WS-Security implementations for proper digital signatures, payload encryption, and timestamp verification. They ensure mutual TLS is properly configured and that XML signature wrapping attacks are actively mitigated.
Technical contracts and schemas for SOAP services are written in English, which serves as the base language for code and documentation. For Stuttgart teams, German proficiency is frequently advantageous when coordinating with legacy domain teams and local system owners.
Evaluate how cleanly they structure WSDL contracts and whether their XSD definitions anticipate schema versioning without breaking existing consumers. Top specialists also provide automated test suites that validate complex XML envelopes against expected fault codes.
The average hourly rate of freelancers in Stuttgart, Germany who have used SOAP in their recent projects is 104 €, which corresponds to a daily rate of about 834 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used SOAP in their recent projects, 89% hold at least a Bachelor's degree and 56% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used SOAP in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 1.4 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 (27%).
The most common industries among freelancers in Stuttgart, Germany who have used SOAP in their recent projects are Information Technology (100%), Automotive (64%), and Banking and Finance (64%).
The most common business areas among freelancers in Stuttgart, Germany who have used SOAP in their recent projects are Information Technology (100%), Product Development (82%), and Business Intelligence (55%).
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 
Dusseldorf 
Essen Countries:
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FRATCH CEO
