C# Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used C#
Hoa Josef Nguyen
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
Anastasiia Komarenko
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.
Michael MĂĽller
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
Rizwan Bashir
Last position:
Software Developer/Database/DevOps at Sutor Bank
- Migration and maintenance of a legacy system to the latest version of .NET for the asset management system
- Design and implementation of tests
- Creation of deployment pipelines and documentation
- Further development and implementation of change requests
- Technologies: C#, ASP.NET, Unit of Work, IOC, Three tier architecture, Entity Framework Core, DB First, Web API, Swagger, Open API, Monolith, Python, Oracle, Azure DevOps, GIT, xUnit, NSubstitute
- Methods: Agile development using Scrum
Florian Wede
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 Ragab
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 Diekmann
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 Odesser
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 LĂĽders
Last position:
Technical design and development of frontend and backend for e-waste-race.de / textil-race.de at Das macht Schule gemeinnĂĽtzige 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
Holger Guschigk
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 Mirmohammadi
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
Matthias Eymers
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
Jonas Taulien
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
Dhruti Chandarana
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 SchmĂĽckert
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: 8%)
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 30 Aug 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 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 the main language for modern .NET work. Teams use it to build web services, APIs, desktop software, cloud backends, and internal business tools. It fits structured codebases where clarity, testing, and long-term maintenance matter.
Typical delivery
- ASP.NET Core web applications and APIs
- Azure services, background jobs, and integrations
- Windows desktop software with WPF or WinForms
- shared libraries, SDKs, and automation scripts
The ecosystem
Strong C# work usually means more than the language alone. Professionals should know .NET, ASP.NET Core, Entity Framework Core, LINQ, NuGet, xUnit or NUnit, and common build and deployment tools. In Hamburg, this often comes up in logistics, media, commerce, and enterprise IT teams that need reliable integration work.
When to bring in help
Companies bring in freelance C# specialists when a service needs refactoring, a release is blocked, or a new API has to fit an existing .NET stack. They also help when a team needs extra hands for migration from older .NET Framework code, performance tuning, or test coverage.
What good specialists do
Good professionals write clean, readable code and keep the domain model simple. They handle async code carefully, know how to debug memory and performance issues, and can work with SQL, message queues, identity, and cloud services without losing track of the business logic.
Working with your team
C# projects often need close coordination with product, backend, and operations people. On-site work in Hamburg can help during audits, legacy migrations, or sensitive system changes, while remote collaboration works well for API delivery, code reviews, and stabilizing existing services. Clear specs and solid version control matter either way.
Frequently asked questions
Questions about C#? Start with the answers below.
C# is used for business software, web APIs, cloud services, desktop tools, and automation inside the .NET ecosystem. It is a common choice when teams need maintainable code, strong typing, and good tooling for testing and deployment. Many companies also use it for integrations with databases, queues, and Azure services.
C# is often weighed against Java for backend systems and against TypeScript when teams build full-stack web products. Compared with Java, it usually feels more integrated with the .NET toolchain and Windows-oriented software, while TypeScript is a better fit for frontend-heavy stacks. The right choice depends on the existing platform, team skills, and deployment target.
A strong C# specialist should be comfortable with .NET, ASP.NET Core, Entity Framework Core, LINQ, and unit testing tools such as xUnit or NUnit. Knowledge of SQL, dependency injection, authentication, logging, and cloud services is also important. For many projects, Git and CI/CD are part of the daily work.
A small internal tool may only need a focused C# specialist who can move quickly in an existing codebase. Larger systems need someone who can read legacy code, design clean interfaces, and keep changes safe with tests. The real question is not years alone, but whether the person has shipped similar .NET work before.
A C# freelancer is a good fit when you need speed on a specific task, such as a migration, a new API, or a hard production bug. It also helps when your team has a .NET backlog but not enough internal capacity to handle it. Freelancers are often useful for short, well-defined phases of a project.
Most C# work can be done remotely, especially API development, refactoring, and testing. On-site time in Hamburg is useful when the work touches sensitive systems, older infrastructure, or a team that needs tight coordination. Many engagements work best with a hybrid setup.
A strong C# freelancer can explain design choices, not just write code. Look for clear tests, safe handling of async code, readable structure, and a practical approach to debugging and deployment. Good specialists also ask the right questions about business rules and integration points.
C# is common in Hamburg for logistics systems, internal enterprise tools, web services, and connected business applications. It also fits teams that work with Microsoft-based environments and Azure. If your stack mixes old and new .NET code, a specialist can help bridge the gap.
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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Philipp Thomaschewski
FRATCH CEO
