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NUnit Expert in Germany

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Hire experts who design maintainable NUnit test suites, integrate automated checks into .NET delivery pipelines, and improve coverage for APIs, services and business applications. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Germany, who have recently used NUnit

Verified expert

Michael S.

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IT & Test Consultant

Mainz
Michael S.

Last position:

IT & Test Consultant at Testing Experts GmbH

AI Readiness - Part 3: Creating an e-book on the use of AI in software testing

  • Designed and created an e-book on the sensible and safe use of AI in software testing from the perspective of an experienced test expert.
  • Used generative AI (ChatGPT, Perplexity Pro) as a sparring partner for structuring, wording suggestions and creating variations, with all content finally reviewed and approved using my own expertise.
  • Developed practical insights into the opportunities and risks of AI in testing, with a special focus on collaboration between testers and AI instead of “tester vs. AI”.
  • Title: “11 starke Gründe: Dream-Team statt Rivalen - Tester und KI sind gemeinsam unschlagbar”
  • Subtitle: “Wie Mensch und Maschine im Softwaretest das perfekte Team bilden – und warum reines KI-Testing riskant ist.”
  • Planned use of the e-book as a basis for workshops, customer meetings or internal training.
  • Technology: Generative AI, ChatGPT, Perplexity Pro, Microsoft Word, Adobe Acrobat, many years of hands-on professional testing experience, common sense.
Verified expert

Matthias S.

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Software Developer and Consultant

Böblingen
Matthias S.

Last position:

Software Developer and Consultant at CLADE GmbH

  • Analysis of the existing CAN communication between microcontrollers
  • Analysis of the sensors used and the measured values collected
  • Planning the CAN messages for transmitting the measured values
  • Iterative adjustment of the microcontroller code to the new CAN messages
  • Cross-compilation from x64 to arm64
Verified expert

Giuseppe A.

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Software, AI & Automation Architect

Germering
Giuseppe A.

Last position:

Embedded Software Development at Inheco

  • AI Integration (LLM & RAG): Designed and built an internal intelligent RAG system (Retrieval-Augmented Generation) based on LLMs, n8n, and vector data to automatically analyze technical documents and error logs.
  • Design & Implementation: Designed a robust RS-232/UART communication interface for an SBC-based embedded device used to control medical shaker systems.
  • Architecture & Protocol Design: Built a highly maintainable software structure (OOP, SOLID) and defined resilient, hardware-level communication protocols, including multithreading and advanced error handling.
  • Quality Assurance & DevOps: Automated testing with xUnit, ran integration tests directly on the hardware target, and maintained technical documentation to strict medical technology standards via Azure DevOps.

Label: C#, .NET, LLMs, RAG, n8n, RS-232, UART, Multithreading, async/await, xUnit, gRPC/protobuf, Blazor, MudBlazor, EF Core, Visual Studio 2026, Azure DevOps

Verified expert

Oleg O.

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Senior Software Architect C#/.NET | BI, Data & AI Integration

Nuremberg
Oleg O.

Last position:

Senior Software Developer / BI Integration Developer Power BI, C# at Telecommunications

Embedded Analytics & AI-assisted BI

Design and development of an integrated analytics solution based on ASP.NET Core, Power BI Embedded, and LLM services to provide context-based business information.

Development of an AI agent with Function/Tool Calling for the secure orchestration of REST APIs, SQL data sources, and technical services within defined business processes.

Building automated BI workflows including workspace management, deployment processes, and scheduled refresh via the Power BI REST API.

Implementation of secure service-to-service communication with Microsoft Entra ID and Service Principal, and integration into existing enterprise system landscapes.

Technologies: ASP.NET Core, C#/.NET, Power BI Embedded, Power BI REST API, LLM API, AI Agents, Function/Tool Calling, Entra ID

Verified expert

Hendrik W.

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Software Test and Maintenance Support

Berlin
Hendrik W.

Last position:

Software Test and Maintenance Support at Anton Paar ProveTec GmbH

  • Adding/creating test specifications
  • Performing regression tests
  • Performing release tests
  • Analyzing Jira tickets
  • Identifying software defects and fixing them with C#
Verified expert

Alexander K.

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Senior QA Engineer | Quality Management | Test Automation | AI & LLM Testing

Kerpen
Alexander K.

Last position:

Software Tester at Buhl Tax Service GmbH

  • AI-assisted creation of test cases and test data
  • Creation of test cases based on requirements
  • Execution of manual tests
  • Defect documentation, retesting and tracking

Technologies & Tools: SCRUM, Jira, Confluence, Zephyr Scale

Verified expert

Stefan W.

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Architect/Software Developer/Infrastructure

Ottobrunn
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
Verified expert

Marc H.

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Senior Architect, Coach and Developer

Sörgenloch
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

Verified expert

Rizwan B.

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Software Developer/Database/Devops

Hamburg
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

Verified expert

Andreas G.

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Senior Fullstack Developer · .NET & Angular · AI Integration · Cloud · DevOps

Erkrath
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

Verified expert

Reginald L.

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AI-Assisted Software Development | IoT | Embedded | Industrial & ERP System Integration

Ettenheim
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
Verified expert

Andreas S.

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Freelance Software Developer

Lage
Andreas S.

Last position:

Mobile and Web Portal Full-Stack Development (Freelance)

  • Maintained and further developed a web portal and mobile app as a full-stack developer.
  • Handled customer requests and fixed bugs.
  • Implemented REST APIs and database access using Java Spring.
  • Maintained and expanded a web frontend with AngularJS.
  • Maintained and expanded an iOS and Android mobile app with Qt/C++/Qml, including updating the app in the respective stores.
  • Technologies: Qt/C++/QML, AngularJS, Java Spring, MongoDB, OAuth.
Verified expert

Johannes K.

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Software Developer

Altdorf bei Nürnberg
Johannes K.

Last position:

Software Developer at Hoffmann Engineering Services GmbH

  • Software development
  • Technical design of software architecture and design (considering functional and non-functional requirements)
  • Frontend and Backend
  • Refactorings
  • Code reviews
  • Unit tests
  • Automated integration tests
  • E2E tests

Global Identity Services (GIS) is the identity provider for the Digital Services Platform (DSP). GIS is responsible for authenticating and authorizing end users and other DSP services by issuing security tokens. This includes:

  • Identity management (e.g., user registration, password reset and change, user profiles)
  • Management of roles and permissions
  • Single Sign-On (SSO) across DSP services
  • Management of OAuth resources and terms and conditions
Verified expert

Oliver F.

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Senior Analytics Software Engineer & Tech Lead

Lemgo
Oliver F.

Last position:

Modernization of a Multi-Company Backend System at Energy utility company

Further development and modernization of a mature Aspire backend application in the energy utility sector, focusing on new business requirements, testing, legacy code cleanup, and stable backend delivery.

Key Contributions & Results Implemented new business requirements in the context of customer orders, subcontractors, and cross-company backend processes, ensuring consistent workflows across a distributed system landscape. Gradually modernized existing backend components and reduced technical debt through targeted legacy code cleanup, refactoring, and structured code reviews. Improved the testability of business-critical services by expanding automated tests with xUnit, AutoFixture, and clearer validation structures. Supported the further development of workflow automation and integration processes through microservices, messaging, and API-based communication. Took over source code from external companies, systematically assessed code quality, and derived technical improvements for maintainability, stability, and integration. Worked in agile development processes with Jira, Confluence, and Azure DevOps and supported cross-team coordination on architecture, quality, and implementation. Technical Metrics Technologies & Methods C#, .NET, ASP.NET, ASP.NET Core, Aspire, Docker, RabbitMQ, gRPC, REST API, Swagger, Microservices, NServiceBus, AutoMapper, Autofac, xUnit, AutoFixture, FluentValidation, Entity Framework Core, MediatR, Redis, Consul, Serilog, SonarQube, Azure DevOps, Azure Monitor, GitLab, Google Protocol Buffers, IronPDF, Mailjet, Jira, Confluence, Miro, Agile Development, Scrum, Code Reviews, Refactoring, Legacy Code Cleanup, Workflow Automation, Power Grids

Discover over 15,000 top freelancers

Statistics of experts using NUnit

Aggregated from the professional profiles of matched freelancers.

Experience

22 years

NUnit experts in Germany have 22 years of professional experience on average.

Position duration

1.9 years

NUnit experts in Germany stay in a single position for 1.9 years on average.

Positions per freelancer

18

NUnit experts in Germany have completed 18 positions on average over the course of their careers.

Top business areas

Information Technology, Product Development, Quality Assurance

NUnit experts in Germany have gathered most of their hands-on project experience in Information Technology, Product Development, and Quality Assurance.

Top industries

Information Technology, Manufacturing, Healthcare

NUnit experts in Germany are most in demand in Information Technology, Manufacturing, and Healthcare.

Certification focus areas

Information Technology, Product Development, Project Management

NUnit experts in Germany earn their certifications most often in Information Technology, Product Development, and Project Management.

Bachelor's degree or higher

92%

92% of NUnit experts in Germany hold at least a Bachelor's degree.

Master's degree or higher

50%

50% of NUnit experts in Germany hold at least a Master's degree.

Certifications per freelancer

3

NUnit experts in Germany hold 3 professional certifications on average.

Most common languages

German, English, French

NUnit experts in Germany most often speak German, English, and French.

Speak two or more languages

100%

100% of NUnit experts in Germany speak two or more languages.

Based on our profile pool as of 29 Oct 2026.

Daily rate distribution

0% 25% 50% 75% 100%
2% of NUnit experts in Germany charge less than €480 per day.
11% of NUnit experts in Germany charge between €480 and €640 per day.
47% of NUnit experts in Germany charge between €640 and €800 per day.
26% of NUnit experts in Germany charge between €800 and €960 per day.
11% of NUnit experts in Germany charge between €960 and €1120 per day.
2% of NUnit experts in Germany charge between €1120 and €1280 per day.
2% of NUnit experts in Germany charge €1280 or more per day.
<€480 €480-​640 €640-​800 €800-​960 €960-​1120 €1120-​1280 €1280+

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 NUnit

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
Rate comparison chart
Daily rate avg. 751 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800
600
400
200
Rate comparison chart
Median rate 720 €

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.

NUnit 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 (98%)
  • Manufacturing (76%)
  • Healthcare (60%)
  • Banking and Finance (56%)
  • Transportation (52%)
  • Automotive (50%)
  • Energy (44%)
  • Government and Administration (40%)

Please note that freelancers can work across multiple industries, so percentages overlap.

About the technology

What NUnit does

NUnit is an open-source testing framework for the .NET ecosystem. It lets teams define repeatable tests for C# and other .NET applications, run them automatically, and receive clear results when behavior changes. It supports unit, integration and parameterized testing across business logic, services and application components.

Core capabilities

NUnit uses attributes to organize fixtures, test cases, setup methods and expected outcomes. Its assertions cover values, exceptions, collections, strings and asynchronous operations, while parameterized tests help validate many inputs without duplicating test code. Tests can run through the NUnit console, IDE integrations or automated build tools.

Ecosystem and tooling

NUnit specialists commonly work with the .NET SDK, Visual Studio, JetBrains Rider and command-line workflows. They connect test execution with CI systems such as Azure DevOps, GitHub Actions and TeamCity, and may use adapters for test runners, reporting tools, mocking libraries and code coverage analysis. Familiarity with NuGet and source control is essential.

Where companies use it

  • Validate domain rules in C# applications
  • Check REST APIs, background services and integrations
  • Run regression suites during continuous delivery
  • Test data-driven workflows and edge cases
  • Protect legacy .NET systems during modernization

NUnit appears in finance, manufacturing, logistics, healthcare and public-sector software. In Germany, specialists may support teams remotely or collaborate on site when secure environments, hardware integrations or close product coordination require it.

When to bring in expertise

Companies often need freelance NUnit expertise when an existing suite is slow, unreliable or difficult to maintain. A specialist can establish a test structure, convert manual checks into automated scenarios, stabilize flaky tests, connect execution to CI, and define useful coverage boundaries. This is valuable during migration from older .NET systems, major refactoring or a release with high business risk.

What strong specialists deliver

Strong professionals understand more than NUnit syntax. They separate unit tests from integration concerns, isolate dependencies with suitable test doubles, manage asynchronous code correctly and write assertions that explain failures. They also review test data, naming, parallel execution and pipeline feedback so the suite remains useful as the application evolves. Clear documentation and practical collaboration with product and development teams distinguish durable results from a collection of passing tests.

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Frequently asked questions

What clients ask us most about NUnit — answered in short.

NUnit is used to automate tests for .NET applications, especially code written in C#. Companies use it to verify business rules, APIs, services, integrations and regression scenarios. It can run locally and as part of a continuous integration pipeline.

NUnit offers a mature attribute-based model, broad assertion support and flexible parameterized tests. xUnit.net takes a different approach to test lifecycle and extensibility, while MSTest is closely aligned with Microsoft tooling. The right choice depends on the existing codebase, runner support and team preferences.

An effective NUnit specialist should understand C#, the .NET SDK, mocking, API testing and source control. CI configuration, test reporting, code coverage and database or messaging integration are also valuable when tests run beyond isolated business logic.

The required depth depends on the assignment. A small unit-test extension may need focused framework knowledge, while a legacy migration or unstable pipeline calls for a professional who has designed test architecture, diagnosed flaky execution and improved suites in comparable .NET systems.

Yes. NUnit work is often well suited to remote collaboration through repositories, CI dashboards, issue tracking and code reviews. For teams in Germany, clear written communication in English may be sufficient, while German can help when requirements, regulated processes or on-site stakeholders demand it.

NUnit supports asynchronous test methods and assertions for tasks, allowing specialists to test modern .NET services without blocking execution. A strong professional also checks cancellation, timeouts, exception handling and synchronization issues rather than only verifying the successful path.

Look for tests with clear intent, stable setup, focused assertions and meaningful failure messages. Ask how the professional separates unit and integration tests, controls test data, handles flaky cases and integrates results into delivery pipelines. Passing test counts alone do not show quality.

NUnit can support many legacy .NET applications when the relevant runner, framework version and project structure are compatible. A specialist should first assess dependencies and execution constraints, then introduce tests around stable seams before expanding coverage or modernizing the test setup.

The average hourly rate of freelancers in Germany who have used NUnit in their recent projects is 94 €, which corresponds to a daily rate of about 751 € based on an 8-hour working day.

Of the freelancers in Germany who have used NUnit in their recent projects, 92% hold at least a Bachelor's degree and 50% hold at least a Master's degree.

On average, freelancers in Germany who have used NUnit in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 1.9 years.

The most common languages among freelancers in Germany who have used NUnit in their recent projects are German (100%), English (100%), and French (22%).

The most common industries among freelancers in Germany who have used NUnit in their recent projects are Information Technology (98%), Manufacturing (76%), and Healthcare (60%).

The most common business areas among freelancers in Germany who have used NUnit in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (78%).

Main locations of FRATCH Experts, who have recently used NUnit

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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