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C# Experts in Vienna

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Hire experts who build .NET services, ASP.NET Core back ends, desktop tools, Azure integrations, and clean test suites in C#. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Vienna, who have recently used C#

Verified expert

Burak Elalmis

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Senior Developer (Freelancer)

Burak Elalmis

Last position:

Senior Software Engineer at Nürnberger Versicherung

Further development of an insurance product quotation system

  • Implementation and maintenance of pricing logic for property and casualty products (accident, property liability, business contents) based on Java and FaktorIPS
  • Implementation of actuarial tariff revisions into product-specific calculation models
  • Development and refactoring of backend components and web UI components
  • Creation and maintenance of test tables and automated premium tests for quality assurance
  • Code reviews and active involvement in quality assurance in the development process
  • Production support and bug fixing in live operations
Verified expert

Gerhard Zalusky

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Embedded Software Engineer

Vienna
Gerhard Zalusky

Last position:

Embedded Software Engineer at Magna Kreisel Electric

  • Development of a charging station for electric vehicles
  • Tools: C/C++/Matlab/Simulink
  • Development and testing of functional software with various communication buses
Verified expert

Jori Martini

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Agile IT Manager Healthcare Systems

Wien
Jori Martini

Last position:

Agile IT Manager Healthcare Systems at MA01 Gov. Digital City

  • Responsible for managing GMP-critical systems
  • Leading a team of 20 professionals
  • Vendor management with a €15M annual budget
Verified expert

Damir Dudakovic

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Senior IT Consultant

Vienna
Damir Dudakovic

Last position:

Senior IT Consultant at Dudakovic e.U.

  • Consulting in national and international projects in various roles and sectors (banking and finance, public sector, telecommunications, data management, software development)
  • Engaging in project management, requirements management, business analysis, process management, IT consulting and coaching
  • Delivering sustainable value quickly and efficiently due to high complexity and diversity of projects and expertise
  • Emphasizing collegiality and integrity and fostering a positive team atmosphere
Verified expert

Fabio Galvagni

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IT Architect, Requirements Analyst and Consultant

Vienna
Fabio Galvagni

Last position:

IT Architect, Requirements Analyst and Consultant at CANCOM

  • Supports CANCOM customers in migrating legacy on-prem systems to Microsoft Fabric and Microsoft Foundry
  • Takes over and stabilizes existing solutions after a short handover
  • Business analysis and requirements engineering for migration to a new cloud environment
  • Optimization of machine learning models for feature extraction and customer profiling
  • Ensures data protection and compliance
  • Leads the migration of on-prem systems to Microsoft Fabric
  • Designs new AI platforms for clients
  • Tests the integration of chatbots for document intelligence with Microsoft Foundry, including requirements analysis, implementation, validation, and client communication
Verified expert

Matthias K.

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Business Architect

Vienna
Matthias K.

Last position:

Business Architect at E5GTEC

  • Analysis of extended requirements related to existing controllers in an industrial plant
  • Creating concepts for storing and visualizing sensor data
  • Communication with PLCs
  • Microservice architecture
  • Unified architecture
  • AI-based evaluations of sensor data
  • Technologies used: .NET 8, Minimal API, Postgres, MQTT, RabbitMQ
Verified expert

Michael Gonschor

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Scrummaster

Wien
Michael Gonschor

Last position:

Scrummaster at Xenovo

  • Planning and monitoring sprints and holding the scheduled meetings

  • Analyzing and resolving issues in the development process

  • Error analysis, bug management and correction in individual process steps

  • Stakeholder management

  • Documentation and improvement of the development process

  • Tools: JIRA, Confluence

Verified expert

Jürgen Eckel

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Chief Executive Officer

Wien
Jürgen Eckel

Last position:

Chief Executive Officer at Riddle&Code GmbH

  • Pivoted the company into data-driven and AI-powered energy optimization solutions for microgrids, energy communities, and grid operators.
Verified expert

Jörg Pallanich

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Freelance IT Project Manager / Business Analyst

Wien
Jörg Pallanich

Last position:

Freelance IT Project Manager / Business Analyst at A1 Telekom Austria AG

  • Project: Infrastructure Selling Tool

  • Joint development and documentation of the target process for infrastructure sales to business customers

  • Cross-functional coordination to find solutions

  • Overseeing implementations in the CRM system

  • Coordination of a field trial

  • Project: FTTH expansion program

  • Analysis and documentation of the project environment

  • Process definition in the FTTH expansion program

  • Specification of IT requirements from the B2B business unit in the form of epics and user stories

  • Project management with regard to IT implementations in a business context

  • Project: Product launch "Cyber Defense Business"

  • Definition of the sales to activation process

  • Specification of IT requirements for implementation in the A1 Marketplace and interface to ServiceNow

  • Project management with regard to IT implementations

Verified expert

Vladislav Filipic

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Senior Test Automation Engineer / Test Manager

Vienna
Vladislav Filipic

Last position:

Senior Test Automation Engineer / Test Manager at Stadt Wien – WUKSEA

  • Creating test scenarios, manual test cases and test data using boundary value analysis and equivalence classes
  • Executing functional and non-functional tests (manually with Postman and web application, automated with WebDriver, JUnit and NUnit)
  • Setting up, automating and maintaining the test automation framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web front-end and SOAP API backend interfaces)
  • Automating backend NUnit test cases in Visual Studio
  • Test management: developing and implementing test strategy and test plans, controlling tests, quality ownership and prioritizing risk-based tests, as well as maintaining documentation in Confluence
  • Detailed analysis and quality assurance of requirements
  • Creating and maintaining Jenkins pipelines, ensuring quality in build & deployment
  • Close collaboration with business analysts, developers, testers and test management
  • Identifying, creating and tracking defects/bugs, with thorough test documentation
  • Reporting test results and defect reports
  • Monitoring test processes and continuous improvements
  • Reviewing test data and test results in PostgreSQL database via pgAdmin
  • Supporting effort estimation and backlog prioritization
  • Analyzing and debugging development code System environment: Java, JUnit, Spring Boot, Selenium, Cucumber, JavaScript, Jenkins, C#, NUnit, Postman, Bitbucket, Confluence, Jira, xRay, pgAdmin, PostgreSQL, SonarQube, Maven, IntelliJ, Visual Studio, CI/CD, SOAP API interfaces
Verified expert

Wolfgang Gärber

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IPS Verification

Vienna
Wolfgang Gärber

Last position:

Harman-Becker GmbH

  • TI-DSP Audio Framework
  • Fixing runtime / performance problem on a hybrid multicore SoC DRA787
  • Handling, tuning and optimization for online AVAS speaker impedance monitoring
  • Alternate detection algorithm developed and proposed
Verified expert

Timo Casanova

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Freelancer (SAP and AI)

Wien
Timo Casanova

Last position:

Freelancer (SAP and AI) at Timo Casanova e.U.

  • Specialized in SAP architecture, SAP Basis, S4, SAP Migration - R3 and IT infrastructure (on-premise and cloud)

  • Leading complex SAP S/4HANA implementation and migration projects

  • Consulting on and optimizing SAP landscapes for large enterprises

  • Developing custom IT infrastructure solutions for SAP environments

  • Managing projects from concept to go-live, including post-implementation support, ensuring best practices

Verified expert

Kevin Lang

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Data Engineering & DWH Data Engineering Environment

Wien
Kevin Lang

Last position:

Data Consultant at VBV Pension and Provident Fund Austria

Development of a structured framework and comprehensive guidelines for documenting business and audit processes in a regulated financial environment. Support for the standardization of process documentation to improve transparency, consistency, and traceability across all operational workflows. Contribution to defining documentation standards, templates, and governance principles for internal process management and audit readiness.

Verified expert

Christian Frages

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Project Manager

Schwechat
Christian Frages

Last position:

Project Manager at EVVA Sicherheitstechnologie GmbH

  • Lead the SPG team
  • Coordinate teams and activities across company boundaries
  • Intensive time and cost controlling
  • Monthly reporting to the CIO/CDO
  • Contributing to the technical solution concept and sprint planning
  • Responsibility for rollout planning
  • Involvement in testing

Discover over 15,000 top freelancers

Statistics of experts using C#

Aggregated from the professional profiles of matched freelancers.

Experience

20 years (Austria: 18 years)

Position duration

2.4 years (Austria: 2.8 years)

Positions per freelancer

10

Top business areas

Information Technology, Product Development, Project Management

Top industries

Information Technology, Banking and Finance, Transportation

Certification focus areas

Information Technology, Project Management, Product Development

Bachelor's degree or higher

78% (Austria: 75%)

Master's degree or higher

50% (Austria: 45%)

Doctorate

6% (Austria: 14%)

Certifications per freelancer

2

Most common languages

German, English, French

Speak two or more languages

100% (Austria: 96%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 2 4 6 8
<€720 €720-​800 €800-​880 €880-​960 €960-​1040 €1040-​1120 €1120+

The chart shows how the daily rates of freelancers in this technology in Vienna 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 Vienna using C#

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 852 €
Austria avg. 818 €

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

1000
750
500
250
Rate comparison chart
Median rate 880 €
Austria median 800 €

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 C# fits

C# is a general-purpose language for building software on the .NET stack. Teams use it for web back ends, APIs, desktop apps, cloud services, automation, and game logic. It is a strong fit when code quality, tooling, and long-term maintainability matter.

Common project work

  • ASP.NET Core web services and REST APIs
  • Blazor and MVC applications
  • WPF, WinForms, and other Windows software
  • Azure-based services, workers, and integrations
  • Unity projects and shared game logic

Strong C# specialists can move across these areas without losing consistency in style or testing.

Ecosystem and tools

C# work usually sits inside the .NET ecosystem, with NuGet packages, LINQ, async and await, dependency injection, and modern test frameworks. Good specialists know how to structure solutions, manage builds, and keep code readable under pressure. They also understand how C# behaves with databases, queues, APIs, and cloud services.

When to bring in help

Companies often look for freelance C# expertise when a .NET system needs new features, a legacy codebase needs cleanup, or a release is blocked by defects. It also helps when a team needs short-term support for Azure work, API design, or migration from older .NET Framework code. In Vienna, this is common for product teams and enterprise software groups that need flexible support.

What strong specialists do

A strong C# specialist writes clear code, tests critical paths, and handles async work carefully. They know the difference between quick fixes and changes that scale. They also review existing architecture, spot hidden coupling, and leave the codebase easier to maintain.

Hiring in Vienna

For Vienna-based work, C# experts may join on-site, hybrid, or fully remote depending on the system and access needs. Local collaboration can help with stakeholder workshops, but much C# delivery works well remotely if the team has clear tasks and good tooling. Ask for experience with the exact stack, such as ASP.NET Core, Azure, or WPF, rather than C# alone.

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Frequently asked questions

Need clarity? These are the questions we hear most often about C#.

C# is used for web services, business applications, desktop software, cloud workers, and game logic. It is especially common in .NET environments where teams want strong tooling, solid testing, and clean integration with Microsoft services. For many companies, it is the main language behind internal systems and customer-facing applications.

C# and Java both fit large business systems, APIs, and long-lived services. C# often feels tighter inside the .NET ecosystem, especially with ASP.NET Core, Azure, and Windows tooling, while Java is more common in some other enterprise stacks. The better choice usually depends on the team’s existing platform and runtime.

Hire a C# specialist when a project needs focused delivery, a legacy system needs safe changes, or the internal team lacks time for a specific task. Freelancers are also useful for migrations, code reviews, performance fixes, and short-term platform work. The best results come when the scope is clear and the existing stack is known.

A strong C# professional usually also knows ASP.NET Core, SQL, Entity Framework Core, REST APIs, testing, and Git. Depending on the project, Azure, Docker, Blazor, WPF, or Unity can matter too. The right mix depends on whether the work is web, desktop, cloud, or game related.

Yes, C# work is often well suited to remote collaboration because most delivery happens in source control, pull requests, and shared issue trackers. Remote work is especially practical for API development, cloud services, and test-driven changes. On-site time can still help when a project needs workshops, access to internal systems, or close stakeholder feedback.

A C# project does not need the same depth of experience everywhere. A small API fix may only need a specialist who knows the framework and codebase well, while a migration or architecture change needs broader .NET experience. The key is matching the expert to the risk and complexity of the task.

Look for clear code samples, testing habits, and evidence of shipping real C# systems rather than only writing sample apps. Good specialists explain trade-offs, handle async code carefully, and can talk about maintainability, not just syntax. If the project is business critical, ask how they would approach reviews, refactoring, and release safety.

Before starting a C# assignment, ask which .NET version, frameworks, databases, and deployment targets are involved. Also clarify whether the work touches legacy code, authentication, external APIs, or cloud services. That context helps a specialist estimate the effort and avoid surprises once development starts.

The average hourly rate of freelancers in Vienna, Austria who have used C# in their recent projects is 107 €, which corresponds to a daily rate of about 852 € based on an 8-hour working day.

Of the freelancers in Vienna, Austria who have used C# in their recent projects, 78% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 6% hold a doctorate.

On average, freelancers in Vienna, Austria who have used C# in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.4 years.

The most common languages among freelancers in Vienna, Austria who have used C# in their recent projects are German (100%), English (100%), and French (17%).

The most common industries among freelancers in Vienna, Austria who have used C# in their recent projects are Information Technology (100%), Banking and Finance (44%), and Transportation (44%).

The most common business areas among freelancers in Vienna, Austria who have used C# in their recent projects are Information Technology (100%), Product Development (67%), and Project Management (67%).

Main locations of FRATCH Experts, who have recently used C#

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.

Vienna Graz

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FRATCH CEO

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