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Find the perfect .NET Developers in Germany in minutes from 15,000 CVs with the power of AI.

Bring in .NET specialists for ASP.NET Core APIs, Azure cloud services, and modern C# backend work. Get fast, precise matching with vetted, available freelancers.

About the role

What they build

.NET Developers design and ship business software in C# and the wider .NET stack. They build APIs, web apps, backend services, integrations, and internal tools that have to be stable, maintainable, and easy to extend.

  • ASP.NET Core web applications and REST APIs
  • Background services, worker processes, and message-driven components
  • Integrations with ERP, CRM, payment, identity, and data platforms
  • Refactoring, bug fixes, and performance improvements

Core skills

Strong .NET Developers understand object-oriented design, dependency injection, testing, and clean architecture. They write readable code, handle edge cases, and work well with product teams, QA, and operations.

Typical skills include C#, ASP.NET Core, Entity Framework Core, SQL Server, LINQ, REST, JWT, and Git. Many also know Azure, Docker, and message brokers such as RabbitMQ or Azure Service Bus.

Where they fit

Companies bring in freelance .NET Developers when a product team needs extra delivery capacity, a legacy system needs modernization, or a new service must be built without adding permanent headcount. They are also useful for short, focused assignments such as API design, migration work, or release support.

In Germany, they often support software teams in industry, manufacturing, logistics, finance, insurance, and B2B SaaS. On-site work can help when stakeholders are local and requirements change quickly, while remote collaboration works well for development, code reviews, and handover.

What good looks like

A strong .NET Developer does more than write code. They ask the right questions, document important decisions, and keep the codebase easy for the next engineer to maintain.

  • Delivers working software that fits existing architecture
  • Writes tests and handles deployment concerns early
  • Communicates clearly about trade-offs and risks
  • Spots weak points in performance, security, or data handling

Typical specialisms

Many projects need a specific kind of .NET expertise. Some freelancers focus on backend development and APIs. Others are stronger in enterprise applications, cloud migration, or maintenance of older .NET Framework systems that still support critical business processes.

The right profile depends on your stack. A C# developer with ASP.NET Core experience may be ideal for a new product, while a software engineer with deep integration and database skills is better for complex enterprise environments.

Why companies hire freelance

Freelance .NET Developers make sense when time matters or the need is temporary. They can step into an existing team, take ownership of a clear work package, and deliver without a long hiring process.

This is especially useful for release peaks, migration projects, urgent bug fixing, proof-of-concept work, and team gaps after internal staff move on. The best freelancers adapt quickly to your coding standards, ticket process, and review flow without slowing the team down.

Meet FRATCH .NET Developers

Manuel Kübler

Senior Full-Stack Developer & IT Trainer

Iserlohn

Last position:

.NET Developer, SAP Business One Consultant at Own Projects

  • DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
  • E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.

Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#

Manuel Kübler

Abdelkader Elachouri

.Net Developer

Aachen

Last position:

.Net Developer

  • Development of a voucher management portal

  • Management of vouchers

  • Redeeming vouchers

  • Implementation of the frontend

  • Implementation of Web API and backend libraries for communication with the database

  • Creation of database stored procedures, functions, and views

  • Further development of the company portal

  • .Net Core 3 / 7 / C#

  • ASP.Net Core Web API

  • Visual Studio / MS SQL Server / Azure DevOps / git repository

Abdelkader Elachouri

Vamsi Krishna Mylu

Full Stack .NET Developer

Berlin

Last position:

Full Stack .NET Developer at Neusta GmbH

  • Implemented and maintained logistics-domain applications using Angular, C#, ASP.NET, HTML5, CSS3, JavaScript, AJAX and Bootstrap
  • Analyzed, designed, coded and deployed backend services and integrations using .NET, XML Web Services and RESTful APIs
  • Developed automated SSIS packages and scheduled ETL jobs to support data workflows
  • Built and maintained Python scripts for automation and prototyping; applied Cursor AI to build/refactor full-stack AI/ML model integrations
  • Implemented unit and integration testing (NUnit) and conducted performance tuning for backend services
  • Managed source control and CI/CD using GitHub, Azure CI/CD pipelines and TeamCity
Vamsi Krishna Mylu

Daniel Friedrich

Senior Delphi / C# Developer

Kürnbach

Last position:

Senior Delphi / C# Developer at Mazda Motors Europe

  • Maintenance and extension of the DMS (Dealer Management System) created by Mazda, as well as the external interfaces to various third-party systems
  • Management of service orders and provision of central components such as customer and vehicle management
  • System design and further development/maintenance of the Delphi application on a Firebird database
  • Creation and maintenance of SOAP/REST based interface connections
  • Technologies: Delphi, C#, .Net, SOAP, REST, Firebird, OAuth, Jira, DUnitX, Git
Daniel Friedrich

Alberto Galván De La Rosa

C#/.Net Developer

Berlin

Last position:

C#/.Net Developer at Pean-IT GmbH

  • Developed high-performance REST API interfaces in C# for Investitionsbank Berlin (IBB) using CI/CD (Git, Azure DevOps).
  • Developed the "Pean Admin Center" using the Microsoft Graph API (backend: C#, frontend: Vuetify), implemented via CI/CD pipelines (Azure DevOps).
  • Created low-code business applications and automated processes with Power Apps and Power Automate.
  • Set up and designed the online shop for Pestalozzi-Fröbel-Haus (PFH) via Wix.
Alberto Galván De La Rosa

Stefan Kassler

C# .NET/WPF Developer

Halle (Saale)

Last position:

C# .NET/WPF Developer at Hessian Central Office for Data Processing

  • New development of outdated software for the Hessian school system in C# .NET/WPF
  • Understanding and analysis of the old Delphi and Visual Basic 6 source code
  • Use of Visual Studio 2022 as IDE
  • Team collaboration through pull requests and version control with Git/SourceTree
  • Project management with our own wiki software and Open Project
  • Tech stack: C#, .NET 8.0, WPF, Visual Studio 22, Delphi, Visual Basic 6, LDAP, Active Directory, FTP, SMB, Git, SourceTree
  • Workflow: pull requests, Open Project, weeklies, weekly meetings, direct communication
Stefan Kassler

Stefan Kirsch

Software Engineer C# .NET

Oldenburg

Last position:

Software Engineer C# .NET at Freelance Software Engineer

  • Conceptualized a software interface in a large-scale project for the defense sector. No details can be shared due to classified information confidentiality.
  • Designed and developed a reporting application for the acceptance testing of coordinate measuring machines according to the ISO 10360 standard series. Coordinated and led review meetings to clarify requirements within an international corporation.
  • Developed a tool to back up and restore machine configurations for service operations on coordinate measuring machines.
  • Consulting project to optimize and enhance an Access application for administrative tasks in an engineering office.
  • Designed and developed production software for parameterizing coordinate measuring machines. Shaped the interfaces and developed automation to generate configuration bundles for different machine setups.
  • Developed a service application for geometric calibration of coordinate measuring machines based on end measurement data.
  • Developed a maintenance app for updating and configuring water dispensers. Managed the project through to app launch and trained and handed over the project to a client employee.
  • Migrated a maintenance app for smart water filters, including finalizing it for app launch and further developing the app to support multiple protocols.

Technologies: Git, Visual Studio Code, Confluence, Protobuf, Agile, C#, .NET, WPF, MVVM, GitHub Copilot, Visual Studio, MSTest, MigraDoc, Azure DevOps, Jira, OpenRPC, JSON, Microsoft Access, Entity Framework Core, Python, YAML, Build Pipelines, WinUI 3, XUnit, Atlassian Stack, Scrum

Stefan Kirsch

Jorge Nuricumbo

Lead C#/.NET Software Developer

Köln

Last position:

Lead C#/.NET Software Developer at DHL Paket GmbH

  • Developed a new branch software to modernize and improve usability for users without any postal knowledge.
  • Implemented features based on stakeholder requirements and collaborated closely with various departments.
  • Conducted software testing, performed error analysis and bug fixing to ensure software quality.
  • Worked in a large Scrum team with regular sprint planning, reviews and retrospectives for continuous process improvement.
  • Implemented best practices for performance optimization and monitoring.
  • Skills: C#/.NET, MAUI, Scrum
Jorge Nuricumbo

Konstantin Kurshunzhi

.NET Senior Full-stack Software Developer

Berlin

Last position:

.NET Senior Full-stack Software Developer at DINA Elektronik GmbH

  • Tech-Stack: C#, XAML, WPF, MongoDB, Azure Cloud, Azure DevOps, Resharper, Rider, OAuth2.0, REST, XUnit, NSubstitute, FluentAssertions
  • Designed and implemented the IO architecture for improved data flow and efficiency.
  • Developed a new desktop application from scratch, improving user experience and functionality.
  • Led the implementation of daily stand-ups, software refinements, retrospectives, and project planning.
  • Wrote unit and integration tests to ensure code quality and stability.
  • Conducted code reviews and mentored junior developers.
  • Played a key role in the company's digitalization efforts.
  • Managed a team of 4 software developers, providing leadership and direction.
Konstantin Kurshunzhi

Discover over 15,000 top freelancers

.NET Developers statistics

Typical experience

16 years

Average project duration

2.7 years

Certifications per freelancer

1

Top business areas

Information Technology, Product Development, Project Management

Top industries

Information Technology, Manufacturing, Automotive

Most common languages

German, English, Spanish

Bachelor's degree or higher

100%

Master's degree or higher

75%

Salary / Daily Rate Distribution

0 2 4 6 8
<€640 €680-720 €760+

The chart shows how the daily rates of freelancers in this role 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. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for .NET Developers & Seniority distribution

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

800
600
400
200
Rate comparison chart
Daily rate avg. 696 €

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 680 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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Frequently Asked Questions

Do you have questions? Here you can find further information about FRATCH

A .NET Developer builds or improves software in the .NET ecosystem, usually with C# and ASP.NET Core. That can include APIs, web apps, backend services, integrations, database work, and bug fixing. In many projects, the work also covers testing, deployment support, and cleanup of legacy code.

Look for solid C#, ASP.NET Core, SQL, and Git skills first. Good candidates also understand testing, dependency injection, REST APIs, and how to work with cloud services such as Azure. If your system is older, experience with .NET Framework and migration work can matter just as much.

Not always, but the roles overlap a lot. A .NET Developer usually works in the Microsoft stack and often focuses on backend services, business applications, and integrations. A C# developer may be narrower in language focus, while a software engineer can be broader and cover more stacks or system design work.

A freelancer is a good fit when you have a defined scope, a deadline, or a temporary gap in the team. That includes migration projects, release support, feature spikes, or urgent maintenance work. If you need speed and flexibility more than long-term team growth, a freelancer is often the better choice.

Both models work well, depending on the project. A .NET Developer can usually handle development, reviews, and most coordination remotely if requirements are clear and the team works well with tickets and code reviews. On-site time can help when the project involves local stakeholders, workshop-heavy discovery, or sensitive handovers.

Expect working code, clear commits, and documentation for important decisions. A .NET Developer should also provide test coverage where it matters, help with deployment steps, and leave the system in a maintainable state. For larger projects, API contracts, migration plans, and handover notes are often part of the delivery.

Ask for examples of similar systems, not just a list of technologies. A strong .NET programmer can explain how they structured a solution, handled database access, tested critical paths, and reduced technical debt. Code review habits, communication style, and the ability to talk about trade-offs are strong quality signals.

In Germany, .NET Developers often support teams in manufacturing, logistics, finance, insurance, and B2B software. These companies usually need reliable backend systems, integrations, and tools that fit existing enterprise landscapes. The best freelancers can work with both technical teams and business stakeholders without losing detail.

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Philipp Thomaschewski

FRATCH CEO

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