.NET Expert in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used .NET
Timo T.
Last position:
Gronic Ident & Sign at Gronic Systems GmbH
Gronic Ident & Sign
Core technologies: Android, Jetpack Compose, Retrofit, Regula Document Reader, Adobe Sign
Android app on dedicated devices for identifications and electronic signatures at the PoS
Youness R.
Last position:
Communication modernization and recipe management between S7-300, S7-1500 and WinCC V7 at Siemens AG
- Consulting and development of suitable communication concepts between S7-300 and S7-1500, taking the existing PROFIBUS infrastructure into account
- Technical support for connecting the S7-300 controllers to the existing recipe data block of the S7-1500
- Assisting in the development of the communication sequence for recipe access (read, write, acknowledge, status handling)
- Configuration of S7 communication (PUT/GET)
- Creation and adaptation of WinCC V7 scripts (C scripts and VBS scripts) for WinCC-based recipe management
- Development, optimization, and integration of recipe processes into the existing WinCC project structure
- Commissioning of the new communication interfaces and recommissioning of the recipe logic on existing systems
- Creation of technical documents: communication sequences, functional descriptions, commissioning documentation
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
Klajdo F.
Last position:
Independent Product Developer / Software Architect at rastr.eu
- Architected and deployed a live B2B geocoding and demographic-data platform for Germany, combining address lookup with census-based population statistics through a web application and REST API.
Rachid R.
Last position:
Self-employed at R&A Engineering GmbH
- Development and programming of PLC controls and servo drives, such as TIA-Portal, Siemens Step7 Classic, RSlogix/Studio5000, Unity Pro and CODESYS
- Visualization systems WinCC, FactoryTalk VIEW
- Integration of various fieldbuses into automation devices (PROFIBUS, PROFINET, DeviceNet, ControlNet, Ethernet/IP, MODBUS)
- Programming of scripts (C# / VB.Net / VBscript / VBA)
- Selection of electrical components and systems
- Commissioning and optimization of simple to complex systems and machines
- Planning and creation of electrical schematics
- Preparation of installation plans
- Preparation of bills of materials and technical calculations
- Feasibility studies
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
Frank M.
Last position:
Plan & Code Automation UG
- Operations and rehabilitation
- During this time, development of:
- Websites zentivo-holding.com zyntra3d.com plancodeautomation.com
- Stock trading software
- Automated trading of all financial instruments listed on the stock exchange, with AI integration
- Project management software
- Automated project administration and project management with automated creation of material lists, electrical schematics, PLC programs, HMI programs, AI functions in control technology, project schedules and cost calculations, as well as quotation preparation and cost tracking.
- AI integration
- 3D printing management
- Various methods for creating 3D models from photos, videos or drawings.
- Creation of files suitable for 3D printing, 3D printer management via API.
- AI integration
Tools: Visual Studio, Codex and Cursor, HTML, Java, Python, PHP, C#, Python, SQL, Jason Script.
Daniel P.
Last position:
Freelance specialist in industrial automation technology at dPSolutions
- Self-employed PLC and software specialist focusing on automation and special-purpose machinery
- Programming, modernization, expansion and optimization of production systems, focusing on increased efficiency, data transparency and system integration
- PLC programming and safety with Siemens S7 Classic/TIA Portal, Beckhoff TwinCAT 2/3 and CoDeSys
- Development of high-level language software and database applications (.NET / C#, C++, Visual Basic .NET, Borland/Embarcadero C++)
- Development of custom software solutions for industrial automation, including embedded systems (Raspberry Pi, Arduino, NodeMCU, ESP8266)
- Integration of external systems such as reading devices, printers, scales, scanners and cameras, as well as various bus systems (Ethernet, Profinet, Profibus, EtherCAT, CAN bus, RS232, TCP/IP)
- Creation of visualizations and HMI applications with Siemens WinCC flexible, Beckhoff HMI and .NET frontends
- Planning, development and integration of machine vision solutions (Keyence, Cognex, AVS Alfavision, camera systems) in PLC and PC environments
- Design and implementation of process data collection systems and traceability solutions (100% traceability) based on Microsoft SQL Server (Compact, Express, Server), including stored procedures and direct PLC-SQL communication
- Creation of software and PLC concepts, standard function blocks and project libraries for PLC and high-level language projects
- Planning and programming of conveyor, inspection, assembly, packaging and grinding systems in industries such as automotive, chemical, food, electronics, machinery and systems engineering
- Conducting workshops and training on Siemens TIA Portal, STEP7 Classic, Beckhoff TwinCAT (including TwinSAFE), as well as topics such as architectures, safety, database integration and documentation
- Creation of technical documentation, manuals, training materials and class documentation with Microsoft Office and Doxygen
- Project management tasks from requirements analysis through planning, concept development and supplier coordination to commissioning, production support and customer support
Lutz E.
Last position:
Freelance Software Developer – GoPro MultiCam Control via COHN at Plutos Company UG
- Development of a pilot system to control and monitor multiple GoPro cameras
- Implementation of start, stop, status, media, download, and diagnostic functions via COHN endpoints
- Realization of camera detection, single and group control, as well as stable session/keep-alive logic
- Setup of a download pipeline with queue, retry handling, and temporary files
- Consistent session, folder, and file naming for multi-camera recordings
- Integration of provisioning, certificates, and network operations
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
Benjamin W.
Last position:
SAP Basis at IT Baden-Württemberg (BITBW)
- SAP Basis operations for complex SAP system landscapes (ABAP and Java stacks)
- Administration, monitoring, and optimization of SAP systems with regard to availability, performance, and stability
- Planning and execution of data center moves as well as migrations of SAP systems and databases
- Handling of incidents, changes, and problems according to ITIL processes, including root cause analyses
- Creation of technical concepts, operations documentation, and implementation plans
Technologies: SAP NetWeaver, ITIL processes, technical migrations
Karan S.
Last position:
Senior Software Engineer at Infosys Ltd
- The Forecasting Cost Tool (PCCT) imports data from CSV files via SSIS and processes modules for administration, user management, train operations, and fleet operations.
- Conducted requirements analysis and effort estimation.
- Designed the database and developed web pages.
- Tested the application.
Jörg N.
Last position:
Senior Software Architect at Nieveler IT Consulting
- Redesign of the “Hessian Platform for Migration and Refugees”
- Technologies: C#, .NET 8.0, ASP.NET WebAPI, Blazor
- Architecture principles: Domain Driven Design, Mediator Pattern, Outbox Pattern, IOSP, Clean Code
- Methodologies: SCRUM, coaching, team lead
Daniel U.
Last position:
Senior Application Packaging & Deployment Engineer at Allevio AG (Client: Allianz Technology)
- Enterprise application packaging and deployment for Allianz's global Windows migration programs across Europe, North America, and APAC
- Migrated hundreds of enterprise applications from Windows 10 VDI to Microsoft Azure Windows 365 (Windows 11)
- Created software packages in MSI/MST, FlexApp, PSADT 3/4, and App-V according to enterprise packaging standards
- Developed an ASP.NET packaging automation platform with MongoDB, SQL Server, SharePoint, and Outlook integration
- Built PowerShell modules for automated quality checks of MSI and FlexApp packages
- Developed a release conflict detection module in PowerShell to identify potential deployment issues before production
- Created WDAC monitoring scripts for automated policy oversight and incident response
- Implemented MSGraph API calls in PowerShell for Azure AD and Intune operations
- Created Citrix oData scripts for historical usage analysis (BYOD, VDI, fat clients)
- Developed an Intune Win32 app 'Do Not Disturb' deployment routine for an optimal user experience
- First point of contact for troubleshooting production incidents with packaged applications
- Coordinated application owner, UAT, and release testing for hundreds of deployments
- Administered Microsoft Intune, Citrix environments, and SQL Server security
- Created and tested WDAC policies in Intune; managed configuration policies and Win32 app deployments
- Primary packaging resource for Allianz France since 2019
Yan O.
Last position:
Software Developer (C++, Python) at Vaillant Heizsysteme
- Implementation of communication between heating system modules via the SOME/IP interface in C++
- Development of additional software components in C++
- Execution of unit tests and integration tests in the GitLab CI workflow
- Development of desktop publishing functionality
- Tools: C++, Python, Linux, Robot Framework
Discover over 15,000 top freelancers
Statistics of experts using .NET
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 21 years)
Position duration
2.6 years (Germany: 3.1 years)
Positions per freelancer
19 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Professional Services
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
65% (Germany: 87%)
Master's degree or higher
35% (Germany: 51%)
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
96%
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 Dusseldorf 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.
Discover detailed .NET rate benchmarks:
Explore rate insightsAverage rates of experts in Dusseldorf using .NET
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.
.NET 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 (78%)
- Manufacturing (63%)
- Professional Services (48%)
- Energy (44%)
- Banking and Finance (44%)
- Retail (44%)
- Government and Administration (37%)
- Telecommunication (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Modern Software with the .NET Ecosystem
The Microsoft .NET ecosystem provides a managed runtime environment and a unified standard library for cross-platform backends. Professionals use C# alongside ASP.NET Core to build modular architectures, event-driven systems, and microservices that run reliably on Linux and Windows.
Core Workloads and Enterprise Systems
Companies rely on this runtime for transaction-heavy processing, distributed APIs, and resilient data pipelines. The platform guarantees memory safety, garbage collection, and native asynchronous operations across cloud, on-premises, and hybrid enterprise deployments.
Typical Project Requirements
- Migrating legacy .NET Framework applications to modern .NET Core and modern LTS releases
- Engineering high-throughput REST and gRPC endpoints using ASP.NET Core
- Implementing clean architecture with Entity Framework Core and SQL databases
- Containerizing backend microservices with Docker for Kubernetes orchestration
- Establishing event streaming with Azure Service Bus, RabbitMQ, or Kafka
Tooling and Surrounding Technologies
Strong professionals leverage Visual Studio, JetBrains Rider, and the dotnet CLI to drive continuous testing and rapid releases. Persistence relies heavily on Entity Framework Core or Dapper, while cloud environments integrate tightly with Azure services, Docker containers, and CI/CD pipelines.
Enterprise Applications in Dusseldorf
Organizations across Dusseldorf, particularly in telecommunications, retail, industrial trade, and professional services, run mission-critical workflows on the Microsoft development stack. Specialists assist local teams with cloud modernizations, complex enterprise integrations, and high-performance business applications.
Hallmarks of Seasoned Specialists
Top specialists write clean, idiomatic C# and manage asynchronous execution without blocking threads. They optimize database queries, maintain solid unit test coverage with xUnit, and deploy containerized services into production environments without downtime.
Frequently asked questions
Need clarity? These are the questions we hear most often about .NET.
Companies use modern .NET to engineer secure backend microservices, enterprise resource integrations, and RESTful web APIs. Its execution speed and memory management make it standard for transaction engines, order processing systems, and data pipelines across distributed platforms.
Modern .NET Core and its unified successors run natively cross-platform on Linux and Windows, breaking away from the legacy Windows-only .NET Framework. The platform offers vastly superior throughput, native container support, and modular runtimes tailored for cloud-native microservices.
An effective freelancer in the Microsoft .NET ecosystem combines idiomatic C# with ASP.NET Core, Entity Framework Core, and SQL database design. They should also demonstrate practical experience with automated unit testing, containerization using Docker, and cloud deployments on Azure or AWS.
Both ecosystems power resilient enterprise workloads, but C# .NET offers tighter compiler-level asynchronous primitives and unified platform tooling directly from Microsoft. ASP.NET Core also benchmarks among the fastest enterprise web frameworks available, yielding low latency and minimal resource footprints.
Most professionals work remotely by default, but specialists in the Dusseldorf region frequently support hybrid setups. On-site sessions work well for architectural kickoffs, security reviews, and collaborative team sprints.
Technical tasks and codebases centered on .NET rely on English documentation and tooling across teams. However, German language proficiency is frequently an advantage for communicating with internal stakeholders and cross-departmental teams in local enterprises.
Teams bring in an external professional when upgrading from legacy .NET Framework to modern LTS versions or containerizing monoliths. Freelance specialists resolve architectural blockers, eliminate performance bottlenecks, and introduce structured CI/CD workflows.
Look for a candidate's grasp of memory efficiency, thread pools, and asynchronous patterns in .NET. Quality candidates clearly articulate how they tune Entity Framework queries, design clean domain boundaries, and manage reliable distributed transactions.
The average hourly rate of freelancers in Dusseldorf, Germany who have used .NET in their recent projects is 92 €, which corresponds to a daily rate of about 737 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used .NET in their recent projects, 65% hold at least a Bachelor's degree and 35% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used .NET in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Dusseldorf, Germany who have used .NET in their recent projects are German (100%), English (96%), and French (19%).
The most common industries among freelancers in Dusseldorf, Germany who have used .NET in their recent projects are Information Technology (78%), Manufacturing (63%), and Professional Services (48%).
The most common business areas among freelancers in Dusseldorf, Germany who have used .NET in their recent projects are Information Technology (96%), Product Development (85%), and Project Management (74%).
Main locations of FRATCH Experts, who have recently used .NET
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.
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FRATCH CEO
