.NET Experts in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used .NET
Klajdo Fyraj
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.
Thorsten Lenzen
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
Lutz Engelland
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
Hans-Dieter Große-Kreul
Last position:
Training as an AI Expert
I continuously expand my expertise in AI and automation, working with ChatGPT, OpenAI, Manus, Gemini, MS CoPilot, API, LangChain, Hugging Face, Manus, TensorFlow and Auto-GPT as well as Python-based ML frameworks and MLOps tools to intelligently transform classic software development, analysis, and testing processes.
Alois Gruber
Last position:
Bank DZ Privatbank S.A.
- Various programming tasks as specified
- Work carried out from home office, meetings/tasks via email, phone and Microsoft Teams
- Version control via GIT
- Implementation with RDI, FreeSQL SQL
- Extension of automatic test environment creation as specified - adding automatic transfer of existing iSeries users and preparation as well as anonymization of test data
- Creation of trigger and service programs in SQLRPGLE, FreeRPG, ILE RPG and CLLE
- Development and implementation of the CallKredite project including additional extensions for other departments
- Conversion of RPG to Free-RPG and SQL as well as extension of existing modules as specified
- Migration to a new banking release
- Support for specialist segment / OIV
Patrick Antony
Last position:
Project Manager (P1) at Tech Mahindra GmbH
- Led end-to-end delivery of WHOacademy.org, defining product vision, success metrics, and execution strategy for a global learning platform built on Open edX and hosted on Azure.
- Drove program execution across cross-functional teams (UX, frontend, backend, mobile, DevOps, content), coordinating delivery of web (JavaScript) and iOS/Android applications through structured CI/CD pipelines, ensuring predictable, high-quality releases.
- Managed senior stakeholders across multiple WHO entities and external partners, aligning priorities, roadmap, and KPIs to measurable outcomes including platform adoption, performance, scalability, and learner engagement.
- Oversaw vendor and partner performance, ensuring compliance with SLAs, timelines, security, and quality standards.
- Led complex multi-organization migrations (IARC, PAHO, WPRO, OpenWHO), managing course, user, and data transitions with minimal disruption and clear risk governance.
- Provided post-launch Level 2 production support, collaborating with Global Service Desk teams and leveraging ServiceNow for incident, problem, and change management, ensuring platform stability and continuous improvement based on operational metrics.
Kaliyan Muthukrishnan
Last position:
Techno-Functional Consultant – Digital Lab & Manufacturing Systems at Dynavax Technologies
- Led SampleManager LIMS 21.x & LabWare LIMS v8 implementation, reducing manual lab errors by 40% and improving data traceability.
- Configured LW LIMS & SM LIMS 21.2: workflow design, role-based access control (RBAC), and master data management.
- Designed and configured LES workflows: sample lifecycle management, test assignments, approvals, and result review processes.
- Managed Master Menu and CI configuration, ensuring consistency, data integrity, and regulatory compliance.
- Integrated LIMS 21.2 with MES, ERP, EM, WinKQCL (Lonza MODA), SoftMax Pro, Empower, and Chromeleon CDS via REST APIs and web services.
- Implemented PAS-X MES: architecture design, multi-platform implementation (PAS-X, Siemens Opcenter), and integration with PLC, SCADA, and DCS systems.
- Executed IQ/OQ/PQ qualification protocols and Validation Summary Reports (VSR) for QC analytical and utility systems in aseptic and sterile production environments.
- Developed and reviewed Risk Assessments, Traceability Matrices, and Data Integrity evaluations in accordance with ALCOA+, 21 CFR Part 11, and EU Annex 11.
- Led EMA/FDA/WHO inspection readiness, standardized CQV SOPs, enabled digital CQV integration (LIMS/CDS/MES/SCADA/ERP/SDMS), and ensured 21 CFR Part 11 & Annex 11 compliance.
- Managed secure OT cybersecurity: network configuration and access control.
- Configured NuGenesis SDMS for document/data management, CDS/LIMS integration, workflow automation, and reporting.
Daniel Pohl
Last position:
Freelancer in industrial automation engineering at dPSolutions
- Independent work as a PLC and software specialist focusing on automation and custom machinery
- Programming, modernization, expansion and optimization of production plants with focus on efficiency improvements, 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)
- System integration of external systems such as readers, printers, scales, scanners and cameras, as well as various fieldbus systems (Ethernet, Profinet, Profibus, EtherCAT, CAN bus, RS232, TCP/IP)
- Creation of visualizations and HMI applications with Siemens WinCC flexible, Beckhoff HMI and .NET front-ends
- Design, development and integration of machine vision solutions (Keyence, Cognex, AVS Alfavision, camera systems) in PLC and PC environments
- Design and implementation of process data acquisition 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
- Design and programming of conveyor, testing, assembly, packaging and grinding systems in industries such as automotive, chemical, food, electronics and machinery and plant engineering
- Conducting workshops and training on Siemens TIA-Portal, STEP7 Classic, Beckhoff TwinCAT (including TwinSAFE) as well as topics like 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 requirement analysis through planning, concept development and supplier coordination to commissioning, production support and maintenance
Esmail Saberi
Last position:
Senior Load and Performance Tester at Deutsche Bahn (DB-Netz)
- Design, development, and execution of load and performance tests for the PRISMA project
- Use of Apache Jmeter, Gatling, Apache ActiveMQ, Jms/Tibco Ems, SikuliX, Jython, Amazon AWS, PAN-Client
- Methods: load tests, test automation
Anouar Taoussi
Last position:
Fullstack Developer Java/Spring Boot at Snipes SE (Deichmann Group)
- Migration of a .NET Core loyalty program for Snipes, used by mobile cash registers in Snipes stores
- Part of the customer’s digitalization strategy in an agile, cross-functional team with a high level of ownership
- Connecting interfaces to third-party systems (e.g. Brandung, CDS)
- Quality assurance through automated tests
- Carrying out developer, unit, and integration tests
- Patterns & methods used: Clean Code, microservice architecture, agile development with SCRUM
- Technologies & tools used: Spring Boot, Java 23, Java Persistence API (JPA), Azure DevOps, Azure Key Vault, Azure PostgreSQL, Docker & Kubernetes, Git, Graylog, Grafana, JUnit, SonarQube, Jira, Confluence, Prometheus, GitLab, GitLab CI/CD, Visual Studio Code
Benjamin Wennmacher
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
Thang Nguyen
Last position:
Lead Frontend Developer at STRÖER Dialog Group
- Development of the “Ranger App” (Maui Blazor Hybrid), an app to manage all internal apps
- Development of the “SWA App” (Maui Blazor Hybrid), a data capture app for Telekom acquisitions
Karan Shah
Last position:
Senior Software Engineer at Infosys Ltd
- Forecasting Cost Tool (PCCT) imports data via SSIS from CSV files and processes modules for administrator, user management, train operations, and fleet operations.
- Conducted requirement analysis and effort estimation.
- Designed database and developed web pages.
- Tested the application.
Ercan Yüksel
Last position:
Digitalization Manager / SharePoint Manager at EBRO Armaturen GmbH
- Administration and enhancement of the SharePoint farm (M.Office 365)
- Migration using ShareGate
- Building a global employee portal
- Development of DMS and customer portal solutions
Jochen Rieseberg
Last position:
Independent IT Consultant at Verti AG
- Project: Migration of large data sets
- Result: ETL route development with AWS Glue and Talend Open Studio
Discover over 15,000 top freelancers
Statistics of experts using .NET
Aggregated from the professional profiles of matched freelancers.
Experience
27 years (Germany: 21 years)
Position duration
2.5 years (Germany: 3.1 years)
Positions per freelancer
16 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
59% (Germany: 87%)
Master's degree or higher
29% (Germany: 51%)
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
95% (Germany: 97%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Dusseldorf 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 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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What .NET covers
.NET is Microsoft’s application platform for building web, desktop, cloud, mobile, and service software. It is used for business systems, APIs, internal tools, and products that need strong performance and maintainable code.
Common stacks
- ASP.NET Core for web apps and APIs
- C# for most .NET application logic
- Entity Framework Core for data access
- Azure services for cloud deployment and integration
- Blazor for interactive web interfaces
Where it fits
Companies use .NET when they need stable backend systems, secure business applications, or services that connect many internal tools. It is common in finance, manufacturing, logistics, healthcare, retail, and other environments with long-lived software.
When specialists help
Freelance .NET experts are often brought in for greenfield builds, platform upgrades, cloud migrations, and urgent bug fixing. They also help when a team needs extra hands for an API layer, a rewrite from older code, or a delivery window that cannot slip.
Strong skills
Good professionals working with .NET understand C#, async code, testing, dependency injection, authentication, and clean architecture. They should also read existing code quickly, work with databases, and make practical choices about performance, security, and maintainability.
Dusseldorf projects
In Dusseldorf, .NET work often supports enterprise systems, commercial websites, and integrations around regional industry. Teams may want on-site alignment for sensitive projects, but remote collaboration works well when clear specs, code review, and regular communication are in place.
Frequently asked questions
Need clarity? These are the questions we hear most often about .NET.
.NET is used to build web applications, APIs, background services, desktop software, and cloud-connected business systems. In practice, companies choose it for software that must stay maintainable, secure, and easy to extend.
.NET is the broader platform, while C# is the main language most teams use on it. ASP.NET Core is the web framework inside the ecosystem, so it is one part of a wider stack rather than a separate replacement.
.NET is often weighed against Java for backend systems and against Node.js for API-heavy web services. It is a strong fit when a team wants structured code, solid tooling, and a wide choice of libraries for enterprise work.
A strong .NET specialist usually works comfortably with SQL databases, REST APIs, authentication, testing, and cloud services such as Azure. For many projects, knowledge of Docker, messaging, and front-end integration is also useful.
For .NET work, you do not need a full technical design before starting, but you should know the business goal, the current stack, and the main risks. The more complex the system, the more important it is to define scope, interfaces, and acceptance criteria early.
Yes, .NET work is often well suited to remote collaboration because code review, issue tracking, and deployment pipelines support distributed teams. For Dusseldorf projects, some companies still prefer on-site time at the start for stakeholder alignment or access to internal systems.
Look for clear explanations of trade-offs, not just framework names. A strong .NET professional can describe how they structure APIs, handle errors, test critical paths, and keep older code safe during change.
Freelancers are often hired for .NET upgrades, new service development, bug fixing, API integration, and support for legacy systems. Many projects also involve moving workloads to Azure or improving performance in existing applications.
The average hourly rate of freelancers in Dusseldorf, Germany who have used .NET in their recent projects is 94 €, which corresponds to a daily rate of about 752 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used .NET in their recent projects, 59% hold at least a Bachelor's degree and 29% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used .NET in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Dusseldorf, Germany who have used .NET in their recent projects are German (100%), English (95%), and French (10%).
The most common industries among freelancers in Dusseldorf, Germany who have used .NET in their recent projects are Information Technology (80%), Manufacturing (65%), and Banking and Finance (50%).
The most common business areas among freelancers in Dusseldorf, Germany who have used .NET in their recent projects are Information Technology (100%), Product Development (90%), and Project Management (65%).
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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Stuttgart 
Dortmund 
Essen 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
