Visual Studio Experts in Cologne
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Meet FRATCH Experts in Cologne, who have recently used Visual Studio
Burhan D.
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Till Z.
Last position:
Product Owner at OPED / Mawendo
- Interim PO for a DiGA-listed digital therapy platform, ensuring compliant product development in a highly regulated SaMD environment (BfArM, BSI) while maintaining delivery pace.
- Challenge: Regulatory complexity combined with hands-on delivery responsibility and only one week of onboarding time.
- Impact: Introduced AI-assisted product development workflows with clear quality standards and reinstated regular short release cycles for faster, more precise delivery. Currently optimizing product development workflows and reducing AI-generated bloat in tickets and documentation.
- Introduced an OCR-based workflow in Langdock that automates therapy plan creation from prescription images.
Yaroslav S.
Last position:
Senior Low-Code Consultant at Freelancer
Structured analysis and evaluation of business processes
Gathering, documenting, and prioritizing requirements
Creating business-friendly and technically executable process models
Use of Camunda tools
Deriving requirements and interfaces from BPMN diagrams
Coordination with stakeholders and business units
Translating business requirements into technical solution designs
Implementing efficient and tailored applications
Systematic collection, analysis, and documentation of requirements
Prioritizing and validating requirements in close collaboration with stakeholders
Alignment between business and development to ensure shared objectives
Creating use cases, user stories, and acceptance criteria
Continuous requirements and change management throughout the project lifecycle
Define project goals and create project plans
Delegate tasks and monitor project progress
Monitor budgets and inform stakeholders
Mendix: Architecture, development, and maintenance of custom applications (Microflows, Domain Model, Security, XPath)
Modeling Mendix workflows for process optimization
Develop scalable apps with Mendix including REST/SOAP integration with SAP, SQL, Azure & SharePoint
UI design for Mendix using Atlas UI, Fluent UI, HTML, CSS, JavaScript
Develop web & mobile apps with Mendix using agile methods (Scrum, Kanban)
Implement business logic with Mendix Microflows and Nanoflows
Performance optimization and architecture improvements for Mendix applications
Conduct Mendix training
Create technical documentation and best practices for Mendix
Coaching and mentoring for low-code development with Mendix
Predrag P.
Last position:
Test Developer | Test Automation Engineer at CreditReform
Technologies: Java 25, Selenium, Insomnia, SSO, Gitlab, Jenkins, Docker, Kubernetes, Jira, IntelliJ, Nexus, Oracle, MariaDB, SpringBoot, Grafana, Concept Board, Vue.js, OpenApi, Kotlin. Implementation, maintenance, and enhancement of automated end-to-end regression tests for UI and API interfaces. Appropriate and targeted test automation involving multiple software products, including Java-based Windows applications. Automation of business processes with Selenium, reset jobs, and DB import jobs, as well as creation of test concepts, test case descriptions, and structured defect reporting.
Alexander K.
Last position:
Software Tester at Buhl Tax Service GmbH
- AI-assisted creation of test cases and test data
- Creation of test cases based on requirements
- Execution of manual tests
- Defect documentation, retesting and tracking
Technologies & Tools: SCRUM, Jira, Confluence, Zephyr Scale
Andreas K.
Last position:
Backend Developer at Univention GmbH
- Developed a SCIM-compliant Python interface to connect external systems
- Expanded and enhanced UCS modules in Python
- Extended and newly developed Helm charts for container orchestration in Kubernetes
- Maintained and further developed CI/CD pipelines in GitLab
- Implemented automated tests with Pytest and Playwright
'Nubus' is based on a microservice architecture, relies on open source technologies, and runs in Docker containers.
UCS is an IAM complete solution based on Debian, used as an alternative to Microsoft's Active Directory. The work was characterized by the close integration of infrastructure and application logic.
Antje B.
Last position:
AI Strategy Consultant, Change Manager at SMEs (various marketing boutiques, IT & office services)
AI Strategy & Enablement for SMEs Management consulting – SMEs (e.g. marketing boutique, IT & office services)
Concept and delivery of structured AI introduction and strategy workshops for small and medium-sized businesses. Result: Practical AI status assessment, prioritized use case list, and management decision template as the basis for the next steps in the company’s AI development.
Activities
- Needs analysis and individual preparation of the consulting formats
- Facilitation of a structured AI status assessment including vision, mission, and target picture
- Identification and prioritization of relevant AI use cases and action fields
- Creation of management decision templates and roadmaps
- Raising awareness for opportunities, risks, and success factors of AI introduction
- Support for first customers with AI-supported automation scenarios
- Supporting people and teams through the change process of AI introduction (CM)
Methods / Tools / Technologies
Methods:
- AI status assessment & use case analysis
- Workshop moderation / facilitation
- Requirement Management
- Change Management (PROSCI)
Tools:
- Generative AI tools (e.g. ChatGPT, Claude)
- Automation/AI coding tools (e.g. n8n, Claude Code, Visual Studio, Antigravity)
Technologies:
- Prompt engineering
- AI workflow automation
Stefan M.
Last position:
Bundesrechtsanwaltskammer
- Design, planning and execution of complex acceptance tests for a document exchange platform for the German justice authorities.
- Validation of decrypted and certificate-based message exchange via web platform, mobile app, and Java API.
- Documentation of test cases, execution steps, and test results.
- Technologies: Windows 11/10, Ubuntu, iOS, Android, Bash for Windows, Java 17, IntelliJ, Git, Jira, Confluence, Citrix Server, xJustiz standard implementation, specific justice software.
Christoph S.
Last position:
Test Manager at Logistics
- Coordination and planning, execution, documentation, and analysis of test cases
- Development of test concepts considering best practices (e.g., test pyramid) with a focus on reliable, automatable test runs
- Implementation and maintenance of test cases according to the test concepts
- Technologies: Citrix Workspace, Shopify, Jira, Xray, MS Teams, MS SharePoint, Confluence, MS Office 365
Brahim A.
Last position:
Lead Developer at Blazor Web App at WAITS Software- und Prozessberatungsgesellschaft mbH
- Web development with Blazor
- Two-factor authentication for Blazor applications
- Uploading and downloading files
- Bug fixes for existing applications
- Programming interfaces
- Integration of third-party tools and technologies
- Creation of developer tests (unit tests)
Kai B.
Last position:
Freelance CPQ Consultant (Full-Time) at Freelance CPQ Consultant
- Independent CPQ consulting for a portfolio of industrial manufacturers, including Scheidt & Bachmann, Trützschler Group SE, and Weiss Klimatechnik GmbH (Schunk Group)
- Full project coverage: requirements analysis, concept, system design, implementation, testing, and international go-live support
- Deep integration work with SAP ECC (material master replication, SD document creation, material creation, general APICONNECT and other web service interfaces)
- Process consulting: analysis and optimization of internal quoting processes for sales and management
- Knowledge transfer/coaching and pair programming to strengthen internal team skills
Kay O.
Last position:
Fullstack Developer at INIT GmbH
- Development of monitoring and control systems for public transportation
- Development of a platform for real-time monitoring of passenger information and ticketing systems, as well as an application for remote control and status monitoring of access control systems
- Development of dynamic forms, complex tables, real-time dashboards (SignalR), and reusable frontend components (using Storybook)
- Implementation of REST interfaces in the backend
- Deployment to the Microsoft Azure Cloud
- Technologies used: Angular 20, Angular Material 3, Dev Extreme, Storybook, C#/.NET 10
Vladimir M.
Last position:
Developer at Financial services provider
- Support and further development of a framework for developing applications in a banking association: DynS/OSPE
- Migration of the framework to Java 11 and Java 17
- Java8, Java11 and Java17, Spring, Spring-Batch, Spring WebServices, Spring-Security, Spring-Data, JPA, Hibernate, OpenSource libraries etc.
- XML, JAXB, JSON, REST and SOAP services, DB2, Oracle, WebSphere or Liberty AS, FreeMaker, Junit, mock libraries, JaCoCo, Maven, IntelliJ, Eclipse, GitHub, SVN, Jira
Peter B.
Last position:
Data Warehouse Consultant (Development and Analysis) at Atruvia AG
- Developed and enhanced ETL loading jobs with IBM DataStage and optimized SQL in an IBM DB2 environment as part of the Agree21 data migration
- Analyzed data quality and developed test procedures
- Created PowerShell scripts and documented GIT deployment processes
- Technologies: RedHat Linux, IBM DB2 with DBVisualizer, IBM InfoSphere DataStage 11.7, JIRA, TortoiseGIT, TortoiseSVN, PowerShell scripts
Ingo C.
Last position:
Founder, freelance CMS expert at CMS Consulting Cousin
- Freelance work as a CMS expert
Discover over 15,000 top freelancers
Statistics of experts using Visual Studio
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 21 years)
Position duration
3.2 years (Germany: 5.2 years)
Positions per freelancer
17 (Germany: 15)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Transportation
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
94% (Germany: 88%)
Master's degree or higher
50% (Germany: 57%)
Doctorate
6% (Germany: 11%)
Certifications per freelancer
4 (Germany: 2)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 97%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Cologne are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Cologne using Visual Studio
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Visual Studio 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 (95%)
- Banking and Finance (57%)
- Transportation (48%)
- Government and Administration (48%)
- Manufacturing (43%)
- Professional Services (43%)
- Telecommunication (43%)
- Automotive (38%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Visual Studio is
Visual Studio is Microsoft’s integrated development environment for building, testing, debugging and maintaining software. It supports C#, .NET, C++, Visual Basic and other languages across desktop, web, cloud and game projects. Teams use it to manage code, dependencies, tests and release workflows in one workspace.
Projects it supports
Visual Studio is common in business applications, enterprise APIs, Windows software and services built with .NET. It also supports ASP.NET Core web applications, Azure-connected systems, mobile projects through related .NET tooling and game development with Unity.
- Create and extend C# and .NET applications
- Build ASP.NET Core APIs and web services
- Connect applications to databases and cloud services
- Refactor, test and debug established codebases
Ecosystem and tooling
Strong specialists work across the Visual Studio ecosystem, including .NET, C#, ASP.NET Core, Entity Framework Core, NuGet and MSBuild. They may also use Azure DevOps or GitHub for source control and delivery, SQL Server for data, Docker for packaging and automated testing frameworks for quality checks.
When companies need help
Companies often bring in freelance expertise when a legacy .NET application needs modernization, a product team must extend its delivery capacity or a new API needs a dependable foundation. Cologne teams may value professionals who can work on-site when needed, while remote collaboration works well with clear repositories, documentation and review routines.
- Upgrade older .NET or Visual Studio solutions
- Introduce testing, code review and CI/CD practices
- Diagnose build, performance or deployment problems
What strong professionals deliver
A capable Visual Studio specialist understands more than the editor. They structure maintainable C# code, choose suitable .NET components, write useful automated tests and investigate issues with the debugger and profiling tools. They also explain trade-offs clearly and leave behind reproducible builds, readable documentation and manageable technical debt.
How to assess the fit
Review work that matches the project’s language, application type and deployment environment. Ask how the specialist would approach solution structure, dependency updates, testing, security and release automation. For Cologne-based collaboration, confirm availability for the required mix of German or English communication, remote work and on-site sessions.
Frequently asked questions
Need clarity? These are the questions we hear most often about Visual Studio.
Visual Studio is used to write, debug, test and maintain software. It is especially common for C# and .NET applications, ASP.NET Core services, Windows software, APIs and solutions connected to Azure or SQL Server.
Visual Studio is a full integrated development environment with deep tooling for .NET, C++, debugging, testing and enterprise solutions. Visual Studio Code is lighter and highly extensible, making it useful for many languages and quick edits, but it may require more extensions and configuration for complex .NET work.
A strong Visual Studio specialist often works with C#, .NET, ASP.NET Core, Git, NuGet and automated testing. Depending on the project, useful adjacent skills include SQL Server, Entity Framework Core, Docker, Azure DevOps, GitHub Actions and application security.
The right level depends on the system rather than a fixed number of years. A small feature may need solid C# and debugging skills, while a legacy migration or enterprise release pipeline calls for a specialist who has handled architecture, dependency upgrades, testing and production troubleshooting.
Yes. Visual Studio projects are well suited to remote collaboration through Git repositories, issue tracking, code reviews and shared delivery pipelines. Cologne-based teams should agree on access, working hours, documentation and whether occasional on-site workshops are needed.
A Visual Studio modernization should produce a clear upgrade path, controlled dependency changes and tests that protect important behavior. The specialist should also document risks, improve build and deployment routines, and explain which parts should be refactored rather than rewritten.
Ask the specialist to explain a comparable codebase, debugging process or delivery pipeline in concrete terms. Look for disciplined testing, readable design, secure dependency management and the ability to make trade-offs clear. A practical review of a small repository or technical scenario can reveal more than tool-name familiarity.
Many Visual Studio specialists support older .NET Framework applications, Windows Forms, WPF and Visual Basic alongside current .NET projects. This matters when a company must maintain a stable product while planning a gradual migration, rather than replacing working software immediately.
The average hourly rate of freelancers in Cologne, Germany who have used Visual Studio in their recent projects is 97 €, which corresponds to a daily rate of about 773 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Visual Studio in their recent projects, 94% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers in Cologne, Germany who have used Visual Studio in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 3.2 years.
The most common languages among freelancers in Cologne, Germany who have used Visual Studio in their recent projects are German (100%), English (100%), and French (14%).
The most common industries among freelancers in Cologne, Germany who have used Visual Studio in their recent projects are Information Technology (95%), Banking and Finance (57%), and Transportation (48%).
The most common business areas among freelancers in Cologne, Germany who have used Visual Studio in their recent projects are Information Technology (100%), Product Development (90%), and Quality Assurance (76%).
Main locations of FRATCH Experts, who have recently used Visual Studio
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.
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Hamburg 
Munich 
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Stuttgart 
Dusseldorf 
Leipzig 
Dortmund 
Essen 
Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
