C# Experts in Stuttgart
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Meet FRATCH Experts in Stuttgart, who have recently used C#
Matthias Spiller
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
Gildas Djomen
Last position:
System Team Lead Diagnostics – Hybrid & Electric Drives (HEV/MHEV/PHEV) for Transmission and Engine (NA/SA) at Stellantis e-transmission
- Technical lead of diagnostics activities for eDCT transmissions and drive systems in the area of hybrid (HEV), mild-hybrid (MHEV), and plug-in hybrid vehicles (PHEV)
- Responsibility for the development and validation of DTC strategies (OBD / EOBD) for markets in North and South America and the EU
- Coordination between interdisciplinary teams (system development, software, safety, calibration, after-sales)
- Creation and maintenance of diagnostic specifications (DID, DTC matrix, snapshot, freeze frame) according to STLA standards
- Support with troubleshooting, validation tests, EOL processes, and internal audits
- Technical interface to suppliers (Bosch, Valeo, etc.) in the area of actuators, sensors, and electric pumps
- Creation of diagnostic RFQ
Carlos Medina
Last position:
Implementation in Pimcore/Shopware
- Consulting, design, analysis, software architecture and development
- Designing, developing, and implementing a Pimcore environment and connecting multiple external API systems in a Kubernetes environment, as well as various PIM and ERP systems
- Technologies: Unix environment, design, Symfony development, PHP 8+, software architecture, MySQL/SQL, shell scripting, Git DevOps tasks, AI coding support, Pimcore 12, Shopware 6
- Team size: >10 people
Christof Layher
Last position:
GxP Digitalization Problem Solver at CHAOSHACKER
- Acting as an external sparring partner, organizer, and implementer for mid-sized life science and MedTech companies on key digital topics.
- Focus on quick analysis, clear decisions, and concrete progress instead of long strategy papers.
- Clarifying IT complexity, responsibilities, and compliance risks.
- Developing pragmatic digitalization strategies (including under GxP).
- Conducting quick checks, IT roadmaps, and vendor analyses.
- Supporting projects in cloud migration, system selection, and audit preparation.
- Assisting management with digitalization decisions.
Alexander Zubok
Last position:
Fullstack Developer and DevOps Engineer at Freelancer
- Develop infrastructure and enhance existing infrastructure: Jenkins, GitLab Pipeline, OpenShift, Docker, Helm Chart, Kubernetes, Artifactory, CodePipeline, CodeArtifact, Python
- Document solutions in Jira/Confluence
- Support other colleagues in various technical areas
Ahmed Fikri
Last position:
Senior Lead Engineer (Freelance) at Atruvia AG
- Development of a wealth management application for investing in foreign currencies
- Full-stack development with Angular, Spring Boot, OpenShift, Oracle DB, Kafka
- Design and implementation of a microservice architecture
- Integration into Atruvia's BWS system and connection of multiple interfaces between Atruvia and DZ Privatbank
- Greenfield development of the application from the ground up
- Technical responsibility for architecture and interface design
- Close collaboration with business units and external stakeholders
Michael Beck
Last position:
Developer/Consultant at Fresenius Medical Care
- Development of automated end-of-line tests (functional tests) for dialysis machines on a PLC test bench in a production environment
- Introduction of new technology based on Vector vTestStudio, CANoe, and Siemens S7 PLC
- Creating test concepts
- Implementing test cases and libraries in CAPL and C#
- Touch screen emulation and proprietary RPC (Remote Procedure Call) via CAN
- Connecting to the PLC (Siemens Simatic)
- Defining interfaces for device communication (vCDL)
- Defining user interfaces and linking to the frontend (JSON)
- Agile work using DevOps (Azure)
- Skills: CAPL, .NET, C#, vCDL, CANOpen, DevOps, PLC
- Tools used: Vector CANoe 18, vTestStudio 4, MS Azure DevOps, MS Visual Studio 2022, Mosquito MQTT, Git, Siemens TIA Portal
Colin Weitmann
Last position:
Founder & CTO at Savvi Learning GmbH
- Managing director (CTO/CFO) and founder of Savvi and Sparklyft
- Management of the entire product team incl. development team & content team
- Responsible for product strategy, go-to-market, project management, integration projects, business planning, etc.
Elvir Büyükbayrak
Last position:
Software Architect and Software Developer at Noctica IT GmbH
- NocTime time tracking, workshop planner, meal delivery service app
- LLM-based chat bot to control the NocTime time tracking system via voice input
- New and further development of customer solutions based on the Noctica SAS app framework
- Technologies: Java 17, Spring Boot, JPA, Hibernate, JavaScript, TypeScript, Angular 20, Angular Material, React, C#, Docker, Bash, Git, GitLab, RedMine, SQL, DBeaver, MariaDB, PostgreSQL, Python, TensorFlow, Ollama, various LLMs
José Dias Afonso
Last position:
Software Automation Test Internship at PHILIPSMEDIZIN SYSTEME GMBH
- Develop and debug test automation scripts in Python and C# for medical software platforms.
- Support platform testing using HiL systems and Azure-based CI/CD pipelines.
- Create and maintain documentation parsing tools and factory test setup configurations.
Eric Groz
Last position:
Senior Software Developer & Product Owner at Savvi Learning GmbH
- Developing hybrid web apps for Android/iOS (Frontend)
- Planning and steering of product roadmap as Product Owner
- Responsible for all gamification topics
Gerhard Wisst
Last position:
Self-employed Software Developer at Self-employed Software Developer
- OpenStreetMap integration for a logistics system at PTV Transport GmbH
- worked on portal software
- webshop system in PHP with login, shopping cart, order management, and PDF invoice module (AdminLTE)
- cashbook application for income-expense management (including export functions)
- helpdesk system with ticket management, user roles, and automatic notifications
Michael Schick
Last position:
Consultant, Architect, Developer at Self-employed
Felix Junghans
Last position:
Senior Software Engineer at PCA GmbH
- Developed three applications with Flutter (Dart), Swift (iOS), and Kotlin (Android)
- Responsible for the apps' UI/UX design
- Developed a fingerprint plugin for HidGlobal in Swift and Kotlin
- Used Riverpod and Flutter Bloc for efficient state management
- Used Hive and Isar for local data management
- Used Firebase for backend services (Firebase Cloud Messaging, Analytics, and Firestore)
- Managed code with GitLab, developed using Visual Studio Code and Xcode
Discover over 15,000 top freelancers
Statistics of experts using C#
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
3 years (Germany: 2.9 years)
Positions per freelancer
12 (Germany: 14)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Automotive
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 88%)
Master's degree or higher
50% (Germany: 54%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, French
Speak two or more languages
100% (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 Stuttgart 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 Stuttgart using C#
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
C# in practice
C# is a modern language for business software, web services, desktop tools, cloud workloads, and automation. It sits at the center of the .NET ecosystem and is common in enterprise systems that need structure, safety, and long-term maintainability.
Typical deliverables
- ASP.NET Core APIs and web applications
- Blazor front ends for internal tools and portals
- Windows apps and service layers
- Azure-backed integrations and batch jobs
- refactoring, testing, and performance tuning
Ecosystem skills
Strong C# professionals work comfortably with .NET, ASP.NET Core, Entity Framework Core, LINQ, NuGet, and modern testing tools. They also understand architecture choices, dependency injection, asynchronous code, and how to keep codebases readable as systems grow.
When teams bring help
Companies usually look for freelance C# expertise when a product must ship faster, a legacy .NET system needs cleanup, or an internal team lacks bandwidth for a specific module. It also helps when a project mixes older .NET code with newer cloud services and needs a steady hand.
What strong specialists do
- write clear, testable code
- trace issues across APIs, data access, and services
- improve slow or brittle parts without unnecessary rewrites
- adapt to code standards and review habits quickly
- document decisions so teams can continue smoothly
Stuttgart context
In Stuttgart, C# work often shows up in industrial software, enterprise back ends, and internal tools that support engineering, finance, or operations. Many projects can be done remotely, but on-site collaboration can help when teams need close work with product owners or existing .NET systems.
Frequently asked questions
Quick answers to the questions that come up most around C#.
C# is used for business web applications, APIs, desktop software, cloud services, and automation around the .NET stack. Teams often choose it when they need reliable structure, good tooling, and code that can grow with the product.
C# is the language; .NET is the runtime and framework family it runs on. ASP.NET Core is the web framework commonly used with it for APIs, portals, and server-side applications.
A company usually brings in a C# freelancer when a release is blocked, a legacy codebase needs focused cleanup, or the team needs help on a specific service, migration, or integration. It is also useful when the internal team knows the product but not a newer part of the .NET ecosystem.
C# is often compared with Java for enterprise back ends and with JavaScript-based stacks for web services. It is usually a strong fit when the team wants strong typing, solid IDE support, and a broad .NET toolset for API and service development.
A strong C# specialist usually knows ASP.NET Core, Entity Framework Core, SQL, unit testing, and cloud basics such as Azure services. For modern front ends, knowledge of Blazor or integration patterns can also be important.
A good C# freelancer can start with limited context if the requirements are clear, the repository is well kept, and the scope is focused. For older systems, they may need more time to understand architecture, dependencies, and release flow before changing production code.
Yes, C# work is often well suited to remote collaboration because much of it is code, testing, and review. In Stuttgart, on-site time can still help for workshops, pair work on legacy systems, or alignment with local product and operations teams.
Look for clean code, practical use of the .NET ecosystem, and the ability to explain trade-offs in plain language. A strong C# professional should also write tests, handle edge cases, and improve existing code without creating extra complexity.
The average hourly rate of freelancers in Stuttgart, Germany who have used C# in their recent projects is 97 €, which corresponds to a daily rate of about 776 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used C# in their recent projects, 100% hold at least a Bachelor's degree and 50% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used C# in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Stuttgart, Germany who have used C# in their recent projects are German (100%), English (100%), and French (50%).
The most common industries among freelancers in Stuttgart, Germany who have used C# in their recent projects are Information Technology (86%), Manufacturing (57%), and Automotive (43%).
The most common business areas among freelancers in Stuttgart, Germany who have used C# in their recent projects are Information Technology (100%), Product Development (93%), and Quality Assurance (64%).
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.
Berlin 
Hamburg 
Munich 
Cologne 
Frankfurt 
Dusseldorf 
Dortmund 
Essen 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
