C# Expert in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used C#
Hoa Josef N.
Last position:
AI Architect and Enabler at Inhouse / AI Business
Technologies: n8n, Notion, OpenAI API, Claude, MS AI Foundry, MS CoPilot Studio, MS CoPilot, LLM, Node.js, Vercel, LangGraph, PostgreSQL, pgEdge, pgvector, Docker, LangChain, Ollama, Open WebUI
- Continuous evaluation and prioritization of internal automation needs
- ~20 AI agents in active use: research, content pipelines, document processing
- 5 n8n workflows for automated data and process control
- Architecture built on the same principles as in customer projects: state management, event-driven orchestration, API integration
- Ongoing operation and further development
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
Florian W.
Last position:
Software Engineer at micimo GmbH
- Developing a professional scheduler for organizations with specific detailed requirements
- Evaluating different existing software solutions
- Creating a list of technical requirements
- Implementing these requirements
- Selected technologies: WebDAV, CalDAV, Rust, Baikal, OAuth, Keycloak
Aiman R.
Last position:
Test Manager and Test Automation Engineer at Warehouse Management Company
- Introduced test management with SolMan
- Implemented test automation with TOSCA
- Analyzed, created, and automated test cases
- Built regression test portfolio
- Stakeholder meetings and alignments
- Financial management
Rainer D.
Last position:
Enterprise Architecture Management / Backend Software Developer at Polizei Hamburg
- Several projects in a police context
- Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
- Create software architectures with microservices
- POC development with Springboot/Docker/Kubernetes
- Project size: 10 people
- Enterprise architecture management with Togaf and Archimate
- Backend software development Springboot
- DevOps with Kubernetes
- Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate
Alex O.
Last position:
Contractor at Telefonica Germany GmbH & Co. OHG
- Data-analysis, Preparation, gathering and coordination of business requirements for retrieval of monthly- and long term (CLV – relevant) cost- and revenue-components per contract for a customer–base–grouping project (HUB–Project) for B2C-Postpaid-Controlling
- Concept and Implementation of cost- and revenue-KPIs calculation and corresponding CLV–reports (Oracle, Perl, SVN, MS SQL Server, MS Power BI, Serviceware Performance Analytics)
- Operational support of the HUB-Project – various ad-hoc reports, deployments, job-scheduling etc. (Oracle, SVN, BICSuite–Scheduler, DWSODA etc.)
- Analysis, implementation, retrieval and reporting of various physical and financial KPIs for B2P-Prepaid Business on an existing data-mart (Oracle, Perl)
Torsten L.
Last position:
Technical design and development of frontend and backend for e-waste-race.de / textil-race.de at Das macht Schule gemeinnützige GmbH
- Creation of a platform where schools can run competitions to collect e-waste or old textiles
- Development of a shared PHP backend for administration by the client
- Connection of two separate WordPress sites via REST API
- Development of a custom WordPress theme with an extensive login area for students
- Setup of normally editable content pages using Elementor
Anastasiia K.
Last position:
Senior Test Automation Engineer at E.ON
- Reviewing functional and technical requirements from a testing perspective
- Creating test cases and automated tests to validate requirements
- Performing manual and automated functional, end-to-end, and regression tests
- Documenting test results and tracking defects
- Using models like GPT-4, BERT, and Hugging Face Transformers for automated test case generation, analysis of test results, and improving test coverage, including bias checks and security reviews
- Techs: MS Office, Jira, Zephyr, Confluence, Tosca, stakeholder communication, Agile, Kanban, Scrum, OpenAI API, Hugging Face, PyTorch, LangChain.
Holger G.
Last position:
Test Automation Engineer, Quality Assurance Consultant at T-Systems
- Poliks – State Police System for information, communication, and case management and other state variants (ViVa, Bravo, customs)
- Developed a test framework for test automation to replace an existing proprietary test client for new developments, focusing on easy maintenance and simple extensibility for new technologies
- Designed the architecture
- Implemented the architecture
- Created a proof of concept by migrating existing test cases into the new test framework
- Platform: C#, .NET, Jira, XRay, Confluence, Playwright, Selenium, UI Automation, Appium, HTML, Git, VMWare, Windows 11, Linux
Mohammad M.
Last position:
Senior Frontend Developer / IT Consultant at Freelance
Development of modern web applications focusing on React and Next.js
Implementation of e-commerce and business platforms for SMEs
Analysis and optimization of software and data structures
Design and development of custom IT solutions
Structuring of data flows and system architectures
Ongoing project work in web development and platform solutions
Tax Advisor Platform with Client Portal and Admin System:
Development of a web-based platform with an integrated client portal
Implementation of a system solution including a website, admin panel, and client application
Development of a role-based access system (admin / client)
Implementation of document and invoice management
Digitization of business processes
Building high-performance frontend structures
Integration of APIs and backend logic
Coffee Business Platform with Admin System:
Development of a web application for a café with administrative functions
Implementation of internal workflows and user management
Structuring of digital business processes
Development of modern UI components with a focus on performance
Shared Account Platform (Admin & Client Applications):
Development of a scalable platform with separate applications for admins and users
Implementation of a role-based access system
Development of a modular frontend architecture with React and TypeScript
Integration of API structures and data management
Jonas T.
Last position:
IT Consultant at Bechtle AG
- Prequalified 200 demands within five weeks on the multi-cloud-commerce platform bechtle-clouds.com with three external consultants
- Served a dual role as project manager and requirements engineer for various enhancements
- Domain topics: reimplementation of Entra ID Sync, improvement of support processes, optimizations in the product catalog
- Demand and project management in ServiceNow
- Refinement of epics and stories with internal teams and external service providers
- Management of the external international service provider
Matthias E.
Last position:
Lead Android Developer at Star Finanz-Software Entwicklung und Vertriebs GmbH
- Further development of the Android app "StarMoney"
- Major XML to Compose redesigns
- Introduction of new technologies and architecture
- Implementation of instant bank transfer
- Development following the agile Scrum process
Michael M.
Last position:
IT PROJECT MANAGER (MS Exchange) at Statutory Health Insurance on behalf of Randstad Digital Germany (formerly AUSY Technologies Germany)
Migration from Exchange 2016 to Exchange 2019 and Exchange Online, as well as the introduction of a backup solution and an archiving solution. The goal was a secure, compliant, and high-performance modernization of the email and archiving infrastructure.
Responsibilities as IT PROJECT MANAGER: Overall project management and operational control / Ensuring adherence to costs and resources / Ensuring achievement of project objectives / Ensuring compliance with regulatory requirements and compliance guidelines, including ISMS, ITIL, and data protection regulations / Preparing and delivering management reports for the project sponsors and project committee / Coordinating interdisciplinary teams from Exchange, network, data protection, and IT security / Planning and executing the system migration from Exchange 2016 to Exchange 2019 / Planning and executing the system migration from Exchange 2019 to Exchange Online / Planning and implementing a backup solution for Exchange Online / Coordinating an EU-wide tender for an archiving solution including market analysis with potential vendors / Planning and implementing an archiving solution for Exchange Online / Coordinating and preparing the necessary BAS notifications in the project context / Coordinating and aligning with stakeholders (e.g. business units, external service providers, and suppliers) for requirements definition and implementation
Technical environment: MS Exchange 2016, MS Exchange 2019, MS Exchange Online, MS Office, MS Planner, MS PowerPoint, MS Project, MS Teams
Dhruti C.
Last position:
Freelancer Developer
Expomate platform
- Built a cross-platform exhibitor inquiry management app using React Native and RoR 8, leveraging RESTful APIs, Solid Queue for background job processing, and Devise for authentication on the backend, with Redux and AsyncStorage for state management and local data persistence.
TaskINT platform
- Developed a unified platform for task execution, time tracking, invoicing, client relations, and staff management using RoR 8 and React.js, utilising RESTful APIs, Sidekiq for background jobs, and Zustand for state management and WebSockets for real-time data sync, with 300+ users onboarded across 5 clients.
Andreas S.
Last position:
Solution Architect, Business Analyst, Consultant, Full-Stack Lead-Developer at 50Hertz Transmission GmbH
- Solution for micro-service and frontend solution for the electric grid
- Leading of development teams
- Technologies: React-Native, TypeScript, Kotlin, AWS, Infrastructure As Code, Serverless Architecture, React, NoSQL, GraphQL, Angular, Playwright, Python, ML(Ops), Kubernetes, Docker
Discover over 15,000 top freelancers
Statistics of experts using C#
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 20 years)
Position duration
1.6 years (Germany: 2.9 years)
Positions per freelancer
14
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Professional Services, Manufacturing
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
83% (Germany: 88%)
Master's degree or higher
45% (Germany: 54%)
Doctorate
10% (Germany: 9%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Arabic
Speak two or more languages
95% (Germany: 97%)
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Hamburg 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 Hamburg 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
C# 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 (100%)
- Professional Services (51%)
- Manufacturing (49%)
- Retail (46%)
- Banking and Finance (43%)
- Automotive (38%)
- Energy (38%)
- Healthcare (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What C# is used for
C# is a strongly typed, general-purpose programming language from Microsoft. It is the main language of the .NET ecosystem and supports web services, business applications, desktop software, games and cloud workloads. Companies use it when maintainable code, broad tooling and reliable integration matter.
.NET ecosystem
C# professionals work across modern .NET, ASP.NET Core, Entity Framework Core and the NuGet package ecosystem. Common delivery environments include Azure, Microsoft SQL Server, PostgreSQL, Docker and Kubernetes. Strong specialists also understand REST and GraphQL APIs, message brokers, identity services and automated testing.
Typical project work
C# expertise appears in many concrete deliverables:
- ASP.NET Core APIs and backend services
- Enterprise applications with Entity Framework Core
- Azure Functions and cloud-native workloads
- Windows applications with WPF or .NET MAUI
- Unity games and interactive 3D experiences
When freelance expertise helps
Companies often bring in a C# specialist for a new .NET service, a legacy migration or a release that needs additional capacity. Freelance support can also help connect Microsoft systems, improve test coverage, modernize desktop software or prepare an application for Azure. In Hamburg, remote collaboration is common, while workshops and regulated projects may benefit from local on-site availability.
Skills that matter
A capable C# professional combines language knowledge with sound software design. Look for practical experience with asynchronous programming, dependency injection, secure authentication, SQL performance and observability. Familiarity with CI/CD, Git, containers and cloud operations helps turn clean code into a dependable product.
Choosing the right specialist
Assess the specialist against your actual architecture, not only the language name. Ask for relevant examples involving your .NET version, application type and integration needs. Clear technical communication, focused code reviews and a plan for testing, documentation and handover are strong signs of quality. Teams in Hamburg may also value German-language collaboration alongside English technical work.
Frequently asked questions
Questions about C#? Start with the answers below.
C# is used for web APIs, enterprise software, Windows applications, cloud services and games made with Unity. Through .NET, it supports both small services and large systems with shared libraries, testing tools and structured application frameworks.
C# and Java both suit large, strongly typed applications and have mature frameworks, tooling and runtime environments. TypeScript is especially common in web interfaces and JavaScript-based services, while C# offers a particularly integrated path through .NET, ASP.NET Core and Azure.
A strong C# specialist often works with ASP.NET Core, SQL, Entity Framework Core, Docker and cloud services such as Azure. Depending on the project, useful additions include React or Angular, message queues, Kubernetes, automated testing and CI/CD.
The right level depends on the system’s risk and complexity rather than a fixed time period. A small API may need a focused specialist, while a migration, distributed system or regulated application calls for proven experience with architecture, security, testing and production support.
Yes. C# work is well suited to remote collaboration through Git, issue tracking, code review and shared development environments. Teams in Hamburg should define communication routines, access requirements and working-language expectations early, especially when occasional on-site workshops are useful.
.NET is a strong choice when an organisation already relies on Microsoft identity, Azure, SQL Server or Windows systems. It can also suit new cross-platform services when the team values mature tooling, consistent language features and access to a broad package ecosystem.
Ask a C# freelancer to explain trade-offs in a comparable project, including data access, error handling, security and deployment. Review how they test code, document decisions and handle performance or maintenance concerns rather than judging only a finished interface.
C# work spans modern .NET, older .NET Framework systems, Azure services, desktop software and Unity projects. Specialists should clarify the runtime, deployment model, coding standards and legacy constraints before estimating work, because these factors can change the implementation substantially.
The average hourly rate of freelancers in Hamburg, Germany who have used C# in their recent projects is 93 €, which corresponds to a daily rate of about 744 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used C# in their recent projects, 83% hold at least a Bachelor's degree, 45% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used C# in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Hamburg, Germany who have used C# in their recent projects are German (100%), English (95%), and Arabic (11%).
The most common industries among freelancers in Hamburg, Germany who have used C# in their recent projects are Information Technology (100%), Professional Services (51%), and Manufacturing (49%).
The most common business areas among freelancers in Hamburg, Germany who have used C# in their recent projects are Information Technology (100%), Product Development (92%), and Quality Assurance (68%).
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 
Munich 
Cologne 
Frankfurt 
Stuttgart 
Dusseldorf 
Dortmund 
Essen 
Nuremberg Request a free demo
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