WCF Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used WCF
Jörg T.
Last position:
Consultant, Requirements Engineer and Database Expert
Project – Evaluation and development of databases for a new product line for a measuring equipment manufacturer
- Current-state analysis
- Requirements analysis of the data storage layer
- Writing benchmark tests
- Design of the new database schema
- Database migrations
- Development of audit logging and Part11
- Creation of backup and recovery concepts
- Design of the persistence layer API
- Writing unit tests
- Creating requirements in Azure
Tools: C#, Visual Studio 2022, Azure DevOps, SonarQube, Git, RestSharp, WebServer, PostgreSQL, MS SQL, SQLite, MinIO, Podman, Docker, DataGrip, SQL Management Studio, HeidiDB, pgAdmin
Saqib J.
Last position:
AI Developer / AI Engineer (Lead) at KOM4TEC GmbH
- Designed and implemented modular AI assistants for sales and business processes within 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 servers, 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, and mentoring within 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
Andre F.
Last position:
.NET Consultant (Fullstack) at AFri Consulting
Software development with C#
IT infrastructure development and maintenance with Microsoft Azure
Integration of 3rd-party systems
Planning and setting up DevOps CI/CD processes
C# (.net8)
Azure Cloud Services
DevOps
Jira
Dynamics
Odata
Api Management
Key Vaults
ServiceBus
Azure Functions
Blazor
Michael M.
Last position:
IT PROJECT MANAGER (MS Exchange) at Statutory health insurance fund on behalf of Randstad Digital Germany (formerly AUSY Technologies Germany)
Migration from Exchange 2016 to Exchange 2019 and Exchange Online, as well as the introduction of a backup solution and an archiving solution. The goal was to securely modernize the email and archiving infrastructure in compliance with legal requirements and ensure high performance.
Responsibilities as IT PROJECT MANAGER: Overall project management and operational coordination / Ensuring compliance with budget and resource limits / Ensuring project objectives are met / Ensuring compliance with regulatory requirements and policies, including ISMS, ITIL, and data protection requirements / Preparing and presenting management reports for the project sponsor and steering committee / Coordinating cross-functional teams across Exchange, network, data protection, and IT security / Planning and carrying out the migration from Exchange 2016 to Exchange 2019 / Planning and carrying out the migration from Exchange 2019 to Exchange Online / Planning and introducing a backup solution for Exchange Online / Coordinating an EU-wide tender for an archiving solution, including market research with potential suppliers / Planning and introducing an archiving solution for Exchange Online / Coordinating and preparing the BAS notices required for the project / Coordinating and aligning with stakeholders (for example, business units, external service providers, and suppliers) to define requirements and deliver solutions
Technical environment: MS Exchange 2016, MS Exchange 2019, MS Exchange Online, MSOffice, MS Planner, MS Powerpoint, MS Project, MS Teams, CodeTwo, Hornet Security
Johannes W.
Last position:
Senior Software Engineer at EnBW
The Agent Support Interface is an internally used software application deployed by all 1st- and 2nd-level customer advisors. It displays information about customers and their cases in a centralized and compact format.
The system provides links to other platforms and systems to improve the agent's workflow.
All challenges were handled independently and as a team in an agile SCRUM 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.
Hamza K.
Last position:
Academic Research Contributor in Health Sector (Volunteer) at n/a
- Acted as technical consultant to optimize multi-layer ensemble models combining ResNet, CNN-BiGRU-Attention, and XGBoost.
- Guided implementation of a Logistic Regression meta-learner to solve class imbalance problems, achieving 92.86% accuracy and 0.9644 AUC on PTB-XL and Chapman-Shaoxing datasets.
Volker D.
Last position:
Developer at DV-Consulting und Entwicklung Volker Döch
- Developed a new web app to manage and configure counting devices for large events
- Technologies: .NET 10, C#, Blazor, MudBlazor, MySQL, Git
Tamás N.
Last position:
Embedded MISRA C Developer at DEKRA Arbeit GmbH
Task: Test tool development for Smart-Home IoT-based heating control Test tool development for Smart-Home HVAC heating and ventilation. Eliminating memory leaks in C/C++ within the CAN Analyzer application. Reviewing Python and Tcl/Tk code. Reviewing C-based simulator code for BOSCH Home Comfort cascade heating control using Visual Studio Code and Conan/Conda. Reviewing Delphi application: conversion to 64-bit. Reviewing PyQt6 user interface. SiL testing of domestic water heater control for memory leaks. Stability testing and continuous operation. Migration to Windows 11 24H2. Developing device connectivity with WinSock2 (WSAAPI, recv, send, select) for EMS/CAN IoT communication with C. Testing with virtual machines and Server Manager. Writing reports about the test cases. Logging with the RoboTT framework. Creating test procedure documentation with Docupedia. Bare-metal programming of embedded STM32 Cortex-M and simulation with Renode.io. In-depth familiarization with the SEGGER EmbOS firmware framework and its related system calls. Reviewing MATLAB/Sinumerik .m program files. Implementing redesigned OS schedulers in SEGGER EmbOS.Technologies: Embarcadero RAD Studio 10.2, Visual Studio Code, Sourcetree, Conan, Cmake, Conda, EmbOS, PyQt6, Qt6, Delphi VCL 32-bit, CAN, EMS, Powershell, MingW64, STM32 ARM-Cortex-M4F Renode.io, Windows Server 2022 Standard, RoboTT, IoT
Gerd P.
Last position:
C# Contract Programming for Special-Purpose Machinery/Visualization Technology at Volkswagen Deutschland
C# Contract Programming for Special-Purpose Machinery/Visualization Technology
C# contract programming; .net; WPF, WCF, MVC, MVVM
Customization and further development of control software for special-purpose machinery (programming machine sequences), with corresponding interface connections to create a graphical user interface for the mechanical engineering environment (mapping scan processes in 3D)
Quality assurance before handover for use in the customer's live operations
Software, hardware and systems used:
- Windows 2003 Server
- Windows 2008
- Visual Studio 2012 and later
- Various customer-specific hardware and software
- .net Framework
- TFS
Stefan W.
Last position:
Architect/Software Developer at Global Logistics Support GmbH
Tasks
- Further development of a new ERP system with Blazor
- Generation of e-invoices in the XRechnung and Zugferd formats
- 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
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
Marc H.
Last position:
Senior Architect, Coach and Developer
Fixing issues in the program logic
Covering the changes with unit tests
Analyzing and documenting the data structure of the various applications
Analyzing and documenting the parameters for configuring the applications
Analyzing and documenting the measures required to ensure the operation of the applications
Analyzing and designing the separation of the individual database structures
Analyzing and estimating the effort for planned extensions
Analyzing, maintaining and documenting a heterogeneous legacy system landscape for a print media service provider
Technology: C#, VB.NET, C, Python, Microsoft SQL Server, Visual Studio 2010, JetBrains Rider, Visual Studio Code, arc42, Draw.io, Jira, GitLab
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
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
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, such as a calendar, chat and various tables
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
84%
Master's degree or higher
52%
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 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany 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 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 29 Oct 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 (64%)
- Banking and Finance (58%)
- Automotive (52%)
- Healthcare (48%)
- Transportation (46%)
- Government and Administration (40%)
- Retail (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
WCF in enterprise systems
Windows Communication Foundation, usually called WCF, is a Microsoft framework for building service-oriented applications on the .NET Framework. It supports SOAP-based communication, contracts, message security, transactions and reliable sessions. Companies use it to connect business applications, internal services and external partners across controlled enterprise environments.
Services and contracts
WCF solutions are organized around service contracts, data contracts, operations, endpoints and bindings. Experts configure how services communicate through protocols such as HTTP, TCP and named pipes, while selecting the right serialization, security and reliability settings. Common deliverables include hosted services, client proxies, integration layers and documented interface contracts.
Ecosystem and tooling
WCF work often involves Visual Studio, .NET Framework, IIS, Windows Services and configuration files that define endpoints and bindings. Specialists may also work with SOAP, XML, XSD, WS-* standards, certificates, Active Directory and SQL Server. For modernization, CoreWCF can help bring selected WCF service patterns to modern .NET while preserving important contracts.
When companies need expertise
Companies typically bring in freelance WCF expertise when a service landscape is difficult to maintain, an integration is failing or a legacy application must continue operating during a wider transformation. In Germany, WCF remains relevant in industrial, financial, logistics and public-sector environments with established Microsoft estates.
- Stabilize unreliable service communication
- Add or revise SOAP interfaces
- Prepare WCF services for migration
- Trace security, binding or serialization faults
Integration and migration work
A strong professional can map existing contracts, assess dependencies and choose a safe path between continued .NET Framework operation, interoperability with REST systems and migration toward CoreWCF or another service approach. The work may include compatibility testing, certificate handling, deployment automation and clear handover documentation. Remote collaboration works well when access, logs and environment ownership are organized; on-site work can help with restricted systems.
What good professionals bring
Quality depends on more than knowing WCF configuration syntax. Strong specialists understand distributed-system failure modes, SOAP message structure, authentication, authorization, versioning and observability. They test real client compatibility, separate transport problems from contract problems and explain trade-offs clearly to teams that must support the service after delivery.
Frequently asked questions
Quick answers to the questions that come up most around WCF.
Windows Communication Foundation (WCF) is used to build and consume service-oriented applications, especially SOAP services within Microsoft-based enterprise environments. It handles contracts, endpoints, bindings, message security, reliable communication and integration between internal systems or external partners.
WCF offers a broad communication model with SOAP, WS-* standards, transactions and configurable security policies. REST is often simpler for web-facing APIs, while gRPC is designed for efficient service-to-service communication; the right choice depends on existing contracts, client compatibility, security needs and the target runtime.
A strong WCF specialist usually understands C#, .NET Framework, XML, SOAP, XSD, IIS and Windows hosting. Experience with certificates, Active Directory, SQL Server, logging, CI/CD and CoreWCF is also useful when services must be secured, operated or modernized.
The required depth depends on the work. A contained endpoint change may need focused integration knowledge, while contract redesign, production incidents or migration planning call for a professional who has handled distributed failures, versioning, security and deployment in comparable environments.
WCF projects can often be handled remotely when the professional receives secure access to repositories, test environments, logs and service documentation. On-site collaboration may be useful for restricted networks, regulated systems or workshops with teams that maintain long-running Windows and .NET estates in Germany.
CoreWCF is an open-source port of important WCF service capabilities for modern .NET, but it is not a universal one-to-one replacement. A specialist should review bindings, hosting, security policies, dependencies and client compatibility before recommending migration.
Look for evidence of clear contracts, repeatable deployment, useful diagnostics and tests with real client scenarios. A capable WCF professional can explain binding and security decisions, reproduce failures, document operational procedures and identify risks before changing a production service.
WCF assignments often involve established enterprise systems rather than greenfield services. Freelance professionals may analyze legacy configuration, repair interoperability issues, extend SOAP contracts, improve security or plan a CoreWCF migration while coordinating with teams responsible for infrastructure and business applications.
The average hourly rate of freelancers in Germany who have used WCF in their recent projects is 91 €, which corresponds to a daily rate of about 731 € based on an 8-hour working day.
Of the freelancers in Germany who have used WCF in their recent projects, 84% hold at least a Bachelor's degree, 52% 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 (12%).
The most common industries among freelancers in Germany who have used WCF in their recent projects are Information Technology (100%), Manufacturing (64%), and Banking and Finance (58%).
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 (66%).
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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