Visual Studio Expert 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
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
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
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
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.
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
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.
Predrag P.
Last position:
Test Developer | Test Automator at CreditReform
Technologies: Java 25, Selenium, Insomnia, SSO, GitLab, Jenkins, Docker, Kubernetes, Jira, IntelliJ, Nexus, Oracle, MariaDB, Spring Boot, Grafana, Concept Board, Vue.js, OpenAPI, Kotlin. Implementation, maintenance, and extension of automated end-to-end regression tests for UI and API interfaces. Appropriate and targeted test automation across multiple software products, including Java-based Windows applications. Automating business processes with Selenium, reset jobs, and DB import jobs, as well as creating test concepts, test case descriptions, and structured bug reporting.
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
Pappu P.
Last position:
Senior Cloud Consultant (AWS Services and Consulting) at devoteam GmbH
- Developed automated ETL pipelines with AWS Glue and Athena to ensure consistent data quality and governance requirements
- Implemented validation, anonymization, and encryption measures for data in compliance with GDPR
- Optimized cloud costs by introducing FinOps practices and increased transparency for business units
- Monitored performance, performed root cause analyses, and ensured adherence to SLAs
- Supported data and solution architects in building scalable data models for ML and analytics scenarios
Fatih K.
Last position:
Mobile App Developer at ING Belgium
- Part of a squad focused on intensive module development and integration
- Close collaboration with other squads and teams to integrate modules and essential components
- Use of SwiftUI and the Coordinator pattern to develop clean and understandable code
- Creative collaboration with UX designers in Figma and implementation in code
- Industry: Banking
- Project language: English
- Organizational form: Kanban
- Tools: Azure, Confluence, Figma, Teams
- Team size: 40 people
- Version control: Git, GitFlow, Azure
- App Store product: ING Banking
- Programming languages: SwiftUI, Swift
- Patterns: Coordinator, MVVM
- Swift Package Manager
- Localization: Yes
- Testing: XCTest, XCUITest
Discover over 15,000 top freelancers
Statistics of experts using Visual Studio
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 21 years)
Position duration
3.3 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
93% (Germany: 88%)
Master's degree or higher
47% (Germany: 56%)
Doctorate
7% (Germany: 11%)
Certifications per freelancer
5 (Germany: 2)
Most common languages
German, English, French
Speak two or more languages
100% (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 Cologne 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 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 19 Sep 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 (55%)
- Transportation (50%)
- Government and Administration (50%)
- Manufacturing (45%)
- Telecommunication (45%)
- Automotive (40%)
- Insurance (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Visual Studio provides
Visual Studio is Microsoft’s integrated development environment for creating, testing, debugging and maintaining software. It is closely associated with C#, .NET, C++ and Visual Basic, and supports projects ranging from Windows applications to cloud-connected services. Its editor, debugger and project tooling bring many delivery tasks into one workspace.
Applications and systems
Visual Studio is used for business software, APIs, web applications, desktop interfaces, games and services that run on Microsoft platforms. Teams also use it to modernize older .NET solutions, connect applications to databases and prepare workloads for Azure.
- C# and .NET application development
- ASP.NET Core APIs and web services
- WPF and Windows Forms desktop applications
- C++ components and performance-sensitive systems
Ecosystem and tooling
Strong work with Visual Studio includes the .NET SDK, NuGet packages, MSBuild and Git-based source control. Depending on the project, specialists also work with Entity Framework Core, Azure DevOps, SQL Server, Docker, CI pipelines and automated testing frameworks. Visual Studio Code may complement the full IDE for lighter editing or cross-platform tasks.
When companies need specialists
Companies often bring in freelance expertise when a product needs a focused release, a legacy solution requires careful migration or an internal team lacks deep Microsoft stack knowledge. A specialist can establish project structure, improve build reliability, diagnose difficult defects or transfer practical knowledge to the existing team. In Cologne, remote collaboration can work well when documentation, reviews and delivery routines are clear; some projects still benefit from local workshops.
Signs of strong expertise
Quality is visible in the way a professional approaches both code and the surrounding delivery process.
- Uses the debugger, profilers and diagnostics tools methodically
- Keeps solutions testable, maintainable and aligned with .NET conventions
- Handles package versions, build configuration and deployment safely
- Explains trade-offs across desktop, web, cloud and data layers
- Works clearly with Git, reviews, tickets and automated checks
Choosing the right professional
Start with the application type, target runtime and expected deliverables rather than the IDE alone. Ask for examples involving the relevant Visual Studio workload, such as ASP.NET Core, WPF, C++ or migration from older .NET Framework systems. Strong professionals clarify constraints early, reproduce issues reliably and leave behind readable code, useful tests and a setup the team can maintain.
Frequently asked questions
Need clarity? These are the questions we hear most often about Visual Studio.
Visual Studio is used to create, debug, test and maintain software, especially applications built with C#, .NET, C++ and related Microsoft technologies. It supports desktop software, web applications, APIs, services, games and tools that connect to databases or cloud resources.
A strong Visual Studio freelancer understands that the full IDE offers integrated project management, debugging, testing and workload-specific tooling. Visual Studio Code is lighter and highly extensible, so it can be preferable for quick edits, scripting or cross-platform workflows; the right choice depends on the solution and team.
A capable Visual Studio specialist usually brings practical knowledge of C#, the .NET runtime, Git, automated testing and package management with NuGet. Depending on the project, useful adjacent skills include ASP.NET Core, Entity Framework Core, SQL Server, Azure, Docker and CI/CD pipelines.
The right Visual Studio experience depends on the system’s age, architecture and delivery risk, not only on the size of the codebase. A new API may need strong .NET and testing skills, while a legacy migration calls for careful debugging, dependency analysis and knowledge of older .NET Framework patterns.
Yes, Visual Studio work is well suited to remote collaboration when source control, environments, tickets and review standards are organized. Teams in Cologne can work effectively with remote specialists through regular technical sessions, while on-site workshops may help with discovery, architecture decisions or knowledge transfer.
Ask a Visual Studio professional to explain how they would investigate a defect, structure tests and manage dependencies in your specific solution. Look for clear reasoning, readable implementation, disciplined use of the debugger and evidence that they consider deployment and long-term maintenance.
Visual Studio supports cross-platform .NET work, including applications and services intended for Windows, Linux or macOS environments. The specialist should also understand the target runtime, container setup, operating system differences and the team’s preferred build and deployment process.
Before starting, a Visual Studio freelancer should clarify the solution structure, target frameworks, repository rules, build process and definition of done. They should also confirm access to dependencies, test data, deployment environments and the communication expectations of the client team.
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 778 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Visual Studio in their recent projects, 93% hold at least a Bachelor's degree, 47% hold at least a Master's degree, and 7% hold a doctorate.
On average, freelancers in Cologne, Germany who have used Visual Studio in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 3.3 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 (15%).
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 (55%), and Transportation (50%).
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 (75%).
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 
Frankfurt 
Stuttgart 
Dusseldorf 
Leipzig 
Dortmund 
Essen 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
