WCF Experts in Germany
to modernize and run reliable services, matched with vetted freelancers in minutesHire experts who design, maintain and modernize WCF services, SOAP integrations and secure enterprise messaging. They connect legacy .NET systems with current applications and help manage migration paths, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used WCF
Saqib J.
Last position:
AI Developer / AI Engineer (Lead) at KOM4TEC GmbH
- Conceptual design and implementation of modular AI assistants for sales and business processes in the Microsoft ecosystem (Agentic AI, Copilot extensions)
- Frontend architecture and development with React + TypeScript for embedded chat and assistant surfaces (streaming UI, hooks, React Query, OpenAPI clients)
- Enterprise-level agent development: reusable skill/agent library, MCP server, review and compliance gates
- LLM integration into the user experience: Anthropic (Claude), OpenAI, tool use, RAG pipelines, prompt engineering, guardrails
- Architecture and code review consulting as well as mentoring in the AI development team
- Integration with Microsoft Graph, Power Platform, and Azure services
- Technologies: React, TypeScript, Anthropic Claude, OpenAI, MCP, RAG, Microsoft Graph, Power Platform, Azure
Johannes W.
Last position:
Senior Software Engineer at EnBW
The Agent Support Interface is an internally used software that is used by all 1st- and 2nd-level customer advisors and shows information about the customer and their cases in a central and compact form.
The system provides links to other platforms and systems to improve the agent's workflow.
In an agile SCRUM team, all challenges were implemented independently and as a team.
Consulting in the areas of software architecture, DevOps strategies, and agile development processes.
Supporting the team in decision-making and introducing best practices for test automation and code reviews.
Technologies: Microsoft .NET, Microsoft Azure, C#, MVC, CQRS, Akka.Net, Angular 18, NGXS, Typescript, Cypress/Playwright, Wiremock, CI/CD, DevOps.
Jens S.
Last position:
Network Technology at ISP, Internet Service Provider, BGP Peering
- Optimization of the transmission media of the data links in the Ruhr area
- Configuration/expansion of switches and routers for an autonomous system AS
- Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
- Laying cables, crimping, antennas, routers, switches
- Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
- Organization and new connection of another BGP peering, data center, NGN fiber optic
- VPN IPSec site connections for 6 sites with PFSense, Fritzbox
- Configuration of WLAN devices (Mikrotik, UBNT
Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP
Thorsten L.
Last position:
Senior Security Analyst
- Analysis and remediation of security vulnerabilities in a risk assessment system for energy trading
- System analysis
- Threat modeling
- Decision-making on vulnerability mitigation strategies
- Implementation of vulnerability detection mechanisms
- Security scans
- DevSecOps practices
- Technical environment: Visual Studio Code, JetBrains Suite, MS Threat Modeling Tool, DevSecOps, Git, AWS, DynamoDB, SQL Server, Endur, Snowflake, Orca
- Languages: C#, JavaScript, TypeScript, Python, PowerShell, Bash, Terraform, SQL
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
Stefan W.
Last position:
Architect/Software Developer at Global Logistics Support GmbH
Task
- Further development of a new ERP system with Blazor
- Creation of e-invoices with the XRechnung and ZUGFeRD format
- UI/UX design Client-server system
- Windows 11 Technology
- Microsoft .NET 9, Git, Azure DevOps, ASP.NET, MSSQL, Blazor Programming languages
- C#, MVVM Development tools
- Microsoft Visual Studio .NET 2022 Database
- MSSQL Industry
- Other
Reginald L.
Last position:
ERP System Redesign (web-based)
PHP and React redesign of a web-based ERP system.
- Development of the header and parts of the navigation
- Development of various modules in React, e.g. calendar, chat, and various tables
Vincent R.
Last position:
Freelancer at VINROTLAB.IO
- Consulting and creation of various web applications based on SharePoint and the React framework for different clients
- Development and testing of accessible apps for SharePoint
- Creation of various test cases for test automation
- Development of various solutions based on Azure
- Creation of various web services based on .NET
- Development of various SharePoint Framework solutions
- Development of various UI solutions based on SharePoint
- Consulting and creation of various Power Apps applications and Power Automate for the steel industry and an IT consulting company
- Support, consulting, and development with offshore teams for SharePoint 2013, 2016, and microservices for a logistics company
- Consulting, concept design, and development of microservices and web applications based on Microsoft technology and the React framework for a logistics company
- Consulting, concept design, and development of various SharePoint Framework solutions on SharePoint 2016 for logistics
- Consulting for the migration from SharePoint 2010 to 2016 for an IT consulting company
Cedric O.
Last position:
Development at Construction industry
- New development of project room functions
- Connection of REST API of a self-developed web service (.NET 7/8) as Azure App Service
- UI tests with Playwright
- Extension of Azure DevOps pipelines
- Migration to Azure SQL Server
- Software / technology: SharePoint Online, PowerShell scripts, SharePoint Framework, MobX, C#, Logic Apps, Playwright, Azure SQL Server, Graph API
Michael T.
Last position:
Development of an app for displaying sheet music at Freelance Software Developer
- Industry: Digital music solutions
- Technologies used: Flutter, Dart, iOS, Android, GitLab, PlantUML
Tobias E.
Last position:
C# Fullstack Developer / Scrum Master / Product Owner Cloud Services / Product Owner Infrastructure & Core Services / Head of at TRUMPF Werkzeugmaschinen SE & Co. KG
- Many years of work in different roles within the MES product area, with technical development, agile leadership, and strategic product responsibility for key MES components.
- As C# Fullstack Developer / Scrum Master (2018–2020): further development of a programming system for laser machines, introduction and moderation of Scrum processes, quality assurance through automated tests and documentation.
- As Product Owner Cloud Services (2019–2020): leadership of two AWS-based cloud services for providing laser data and legal documents, definition of the product vision, backlog maintenance, and stakeholder communication.
- As Product Owner Infrastructure & Core Services / Head of DevOps / Product Security (2020–2025): responsibility for core MES components such as Service Orchestrator, Licensing Service, IAM, and AppLauncher, building and maintaining Azure DevOps pipelines for over 70 components, and introducing security standards (CRA).
- Company-wide contact for Azure DevOps and largely responsible for its introduction.
- Standardized versioning of all components.
- Structuring of CI/CD and release pipelines.
- Building an agent scale set with special software configuration.
- Connecting Azure DevOps with ServiceNow.
- Standardizing the integration of security tools such as SonarCloud, Dependency Track, and digital signing.
- Technologies & tools: .NET (C#, 4.8 / Core 3.x / 8), WPF, WCF, REST, OData, JSON, DevExpress, Duende IDP, Azure DevOps, AWS, PowerBI, SonarCloud, Dependency Track, Visual Studio Pro.
- Method: Scrum.
- Project language: German / English.
Andreas G.
Last position:
Senior Fullstack .NET (Core) & Angular Developer at IT Service Provider
- Supporting several agile teams in the new product development of an enterprise CRM and ERP application
- Web frontend development with Angular 17–21 (microfrontends, Domain-Driven Design, MDB-Bootstrap)
- Backend development with C# and .NET 7–10, MongoDB, MassTransit, RabbitMQ, Entity Framework Core, ElasticSearch (microservices, DDD)
- Technical feature design for assigned tasks
- Technical architecture design including forward-looking planning of AI-supported extension options
- Proof-of-concept implementation of AI-supported workflows with n8n and a locally hosted LLM (Ollama)
- Coordination with stakeholders and Product Owners, support with sprint planning
Result: Delivery of production-ready microservices and frontend modules in agile sprint cycles.
Environment: .NET 7–10 · Angular 17–21 · C# · TypeScript · OpenAPI · Microfrontends · DDD · Kubernetes · Docker · Helm · MS SQL Server · PostgreSQL · MongoDB · MassTransit · RabbitMQ · EF Core · ElasticSearch · Kibana · Azure DevOps · KeyCloak · n8n · Ollama
Michael S.
Last position:
Senior Software / Full-Stack Developer at DOUGLAS INFORMATIK & SERVICE GmbH
- data integration for SAP marketing applications Emarsys and SMC
- processing data from SAP applications for email delivery
- event-driven architecture with around 50 microservices for processing several million messages per day during high season
- development of a marketing campaign management tool (frontend Angular, backend C# ASP Web API)
- support for the Product Owner in communication with stakeholders and creation of epics, stories, and tasks
Younes H.
Last position:
Senior Backend Developer at PTA
- Development and maintenance of database-driven applications for managing supplier and food contracts, with extensive use of Oracle PL/SQL for complex business logic and data processing
- Optimization of PL/SQL procedures, functions, and triggers to ensure the performance and scalability of Oracle database solutions
- Ensuring compliance with best practices in PL/SQL development and implementing standards for code quality and data integrity
- Close collaboration with backend and frontend teams to ensure smooth integration between the Oracle database, C#-based APIs, and Azure cloud services
Hicham M.
Last position:
Freelance Software Developer at Buhl Data Service GmbH
- Backend development: .Net 8, C#, PostgreSQL, Entity Framework Core, REST Web APIs, Docker, Kubernetes, Kafka, Open API Swagger, Apache Airflow, Resharper, Git, Microservices, SOAP, gRPC, Hangfire, OAuth 2, GraphQL
- Interface development for document processing with SmartFix, Softexpansion and Natif.ai: C#, REST API, Resharper, Git
- Deployment: Azure DevOps YAML, Vanilla Helmchart, Rancher, Kubernetes Cluster, Linux Docker, Windows VM, Python
- Unit tests and integration tests
- Telemetry, Kibana, Grafana, Elastic Search
- Work in a Kanban team of 8 developers, 1 tester and one Product Owner
Discover over 15,000 top freelancers
Statistics of experts using WCF
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
2.8 years
Positions per freelancer
20
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
83%
Master's degree or higher
47%
Doctorate
3%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
98%
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 Germany 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 Germany using WCF
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.
WCF 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%)
- Manufacturing (65%)
- Banking and Finance (56%)
- Automotive (52%)
- Healthcare (48%)
- Transportation (48%)
- Government and Administration (42%)
- Education (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
WCF in practice
Windows Communication Foundation, commonly called WCF, is a Microsoft framework for building service-oriented applications on the .NET Framework. It supports SOAP services, contract-based communication and dependable messaging between distributed systems. WCF is still important where enterprise software depends on established service contracts and Windows infrastructure.
Services and integrations
WCF is used for internal business services, partner integrations and applications that exchange structured data across networks. Its binding model supports different transport and security needs, from HTTP and HTTPS to TCP and message queues. Specialists work with service contracts, data contracts, endpoints, proxies and serialization rules.
- SOAP APIs for enterprise applications
- Secure communication between internal systems
- Service integrations with ERP, finance and logistics software
- Reliable messaging for distributed workflows
Ecosystem and tooling
WCF projects commonly involve Visual Studio, the .NET Framework, IIS, Windows Server and Microsoft SQL Server. Professionals may also work with XML, XSD, SOAP headers, WS-Security, certificates and identity systems such as Active Directory. Diagnostics often include tracing, configuration review and inspection of generated client proxies.
When expertise matters
Companies bring in freelance WCF specialists when a critical service needs repair, extension or controlled modernization. This can include undocumented interfaces, failed deployments, certificate changes, performance issues or dependencies that block a move to newer .NET technologies. In Germany, remote work is often practical, while on-site access may be needed for protected infrastructure or regulated operations.
- Stabilizing unreliable WCF endpoints
- Extending contracts without breaking clients
- Connecting WCF services to modern applications
- Planning migration to REST or gRPC
WCF and newer options
WCF is often weighed against ASP.NET Core Web API, REST services and gRPC. Those options can suit new, lightweight or cross-platform systems, while WCF remains a sensible choice when existing SOAP contracts, WS-* standards or Windows-specific integrations must continue. A good specialist evaluates compatibility, risk and business constraints before recommending a replacement.
What strong specialists deliver
Strong WCF professionals understand both code and service operations. They define stable contracts, configure bindings carefully, protect credentials and certificates, test interoperability and document deployment settings. They can explain trade-offs clearly, isolate faults across client and server boundaries, and improve an existing service without causing avoidable disruption.
Frequently asked questions
Quick answers to the questions that come up most around WCF.
WCF is used to build and operate service-based applications that communicate through SOAP, XML and other supported protocols. Companies use it for internal services, partner integrations and business systems that depend on formal contracts, security policies or reliable messaging.
WCF can be appropriate when a project must integrate with established SOAP services, Windows systems or WS-* standards. For a new cross-platform service, specialists may compare it with ASP.NET Core Web API or gRPC and select the option that best fits interoperability, hosting and maintenance needs.
WCF offers rich configuration for SOAP contracts, transport security, reliable messaging and enterprise interoperability. REST is often simpler for broad HTTP consumption, while gRPC can provide efficient typed communication between modern services; the right choice depends on existing clients and system constraints.
A strong WCF specialist usually understands C#, the .NET Framework, XML, SOAP, IIS and Windows Server. Experience with certificates, WS-Security, SQL Server, logging and modern .NET migration is also valuable when services must be maintained or connected to newer applications.
WCF work does not require a fixed level of experience; the scope determines the right specialist. A small endpoint change may need focused service-contract knowledge, while production incidents, security changes or migration planning call for someone who can trace behavior across clients, bindings, hosting and infrastructure.
WCF projects can often be delivered remotely through secure access, documentation and structured testing. On-site collaboration may still help when services run in restricted networks, depend on local Windows infrastructure or require direct coordination with German-speaking operations and compliance teams.
Ask a WCF specialist to explain a past service-contract decision, binding configuration and approach to diagnosing faults. Look for clear reasoning about versioning, certificates, serialization, monitoring and backward compatibility, not just familiarity with generated client code.
WCF specialists can document current contracts, identify consumers and separate stable business behavior from framework-specific code. They can then assess incremental options such as a REST or gRPC facade, parallel services or a controlled migration while keeping existing clients operational.
The average hourly rate of freelancers in Germany who have used WCF in their recent projects is 92 €, which corresponds to a daily rate of about 740 € based on an 8-hour working day.
Of the freelancers in Germany who have used WCF in their recent projects, 83% hold at least a Bachelor's degree, 47% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers in Germany who have used WCF in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers in Germany who have used WCF in their recent projects are German (100%), English (98%), and French (13%).
The most common industries among freelancers in Germany who have used WCF in their recent projects are Information Technology (100%), Manufacturing (65%), and Banking and Finance (56%).
The most common business areas among freelancers in Germany who have used WCF in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (67%).
Main locations of FRATCH Experts, who have recently used WCF
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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