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Visual Studio Experts in Cologne

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Hire experts who work with Visual Studio solutions, C# and .NET projects, debugging and profiling, and Windows or Azure delivery. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Cologne, who have recently used Visual Studio

Verified expert

Christoph Sawicki

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Test Manager

Cologne
Christoph Sawicki

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
Verified expert

Yaroslav Shargorodskiy

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Senior Low-Code Consultant

Cologne
Yaroslav Shargorodskiy

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

Verified expert

Antje Baumann

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Consultant for Digital Transformation with a Focus on AI Enablement | Project & Process Management | Change Management

Düsseldorf
Antje Baumann

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
Verified expert

Stefan Marx

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Installation Portal Server and Content Management Integration

Köln
Stefan Marx

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.
Verified expert

Brahim Ahmat

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Lead Developer at Blazor Web App

Cologne
Brahim Ahmat

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)
Verified expert

Kai Birkenbusch

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Freelance CPQ Consultant (Full-Time)

Köln
Kai Birkenbusch

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
Verified expert

Predrag Perovic

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Test Developer | Test Automator

Leverkusen
Predrag Perovic

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.

Verified expert

Vladimir Maznicenko

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Developer

Brühl
Vladimir Maznicenko

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
Verified expert

Peter Brungs

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Data Warehouse Consultant (Development and Analysis)

Köln
Peter Brungs

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
Verified expert

Ingo Cousin

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Founder, freelance CMS expert

Lohmar
Ingo Cousin

Last position:

Founder, freelance CMS expert at CMS Consulting Cousin

  • Freelance work as a CMS expert
Verified expert

Andreas Kosubek

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Backend Developer

Bonn
Andreas Kosubek

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.

Verified expert

Pappu Prasad

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Senior Cloud Consultant (AWS Services and Consulting)

Köln
Pappu Prasad

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
Verified expert

Fatih Karakurt

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Mobile App Developer

Köln
Fatih Karakurt

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
Verified expert

Kay Odenthal

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Fullstack Developer

Köln
Kay Odenthal

Last position:

Fullstack Developer at INIT GmbH

  • Development of monitoring and control systems for public transport
  • Development of a platform for real-time monitoring of passenger information and ticketing systems and an application for remote control and status monitoring of access systems
  • Development of dynamic forms, complex tables, real-time dashboards (SignalR), and reusable components in the frontend (using Storybook)
  • Implementation of REST interfaces in the backend
  • Deployment to Microsoft Azure Cloud
  • Technologies used: Angular 20, Angular Material 3, Dev Extreme, Storybook, C#/.NET 10

Discover over 15,000 top freelancers

Statistics of experts using Visual Studio

Aggregated from the professional profiles of matched freelancers.

Experience

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

92% (Germany: 88%)

Master's degree or higher

38% (Germany: 56%)

Doctorate

8% (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 30 Aug 2026.

Daily rate distribution

0 2 4 6 8
<€640 €640-​720 €720-​800 €800-​880 €880-​960 €960-​1040 €1040+

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.

1000
750
500
250
Rate comparison chart
Daily rate avg. 786 €
Germany avg. 736 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 800 €
Germany median 720 €

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

What it covers

Visual Studio is Microsoft’s IDE for building, testing, and maintaining software on the .NET stack and beyond. Teams use it for C#, ASP.NET, desktop apps, Azure work, and C++ projects. Strong specialists know the editor, the debugger, the test tools, and how to keep a codebase easy to work in.

Typical work

  • Set up solutions, projects, and build configurations
  • Debug complex runtime issues and memory problems
  • Write and run unit tests in the IDE
  • Refactor code and keep large solutions readable
  • Connect local work to Git and CI pipelines

Ecosystem skills

A good Visual Studio professional usually works across the Microsoft stack: .NET, NuGet, MSBuild, Git, Azure, and SQL tooling. Many also know how to handle extensions, workload setup, code analysis, and deployment profiles. For C++ work, they should be comfortable with native builds, linking, and platform-specific debugging.

When companies bring help

Companies look for freelance Visual Studio experts when a project gets hard to ship or hard to maintain. That often means legacy solutions, slow builds, broken tests, migration work, or a release that needs cleaner debugging and packaging. In Cologne, this is common for teams that want local support in German and smooth remote collaboration with existing engineers.

What good specialists do

  • They understand the full solution structure, not just one file
  • They trace issues through build, debug, and test steps
  • They work cleanly with source control and branching
  • They improve handover notes and project setup for the next person

Signs you need one

If Visual Studio feels slow, confusing, or inconsistent across the team, bring in help. The same applies when extensions conflict, debugger setup blocks progress, or a migration from an older Microsoft Visual Studio or VS setup needs care. Strong specialists leave behind stable builds, clearer workflows, and fewer surprises in day-to-day development.

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Frequently asked questions

Need clarity? These are the questions we hear most often about Visual Studio.

Visual Studio is used to build, test, debug, and maintain software, especially on .NET and the Microsoft stack. It is common for C#, ASP.NET, desktop apps, Azure-connected services, and also C++ work. Companies hire specialists when they need solid IDE setup, reliable debugging, and cleaner delivery workflows.

Visual Studio is the full IDE, while Visual Studio Code is a lighter editor. Teams usually choose Visual Studio when they need deeper project handling, advanced debugging, profiling, and tighter .NET tooling. VS Code is often better for smaller tasks or mixed-language editing, but it is not a full replacement for Visual Studio in larger Microsoft projects.

A strong Visual Studio specialist usually knows C#, .NET, Git, MSBuild, NuGet, and test tooling. For Azure or web work, knowledge of ASP.NET, deployment profiles, and build pipelines helps a lot. If the project includes native code, C++ debugging and linking skills matter too.

A good Visual Studio professional can start with a short overview if the solution is clean and documented. Older codebases need more context, especially around build steps, dependencies, and release flow. The more legacy tooling, custom extensions, or deployment steps you have, the more important a careful handover becomes.

Yes. Visual Studio work is often remote because the core tasks are in code, build setup, and debugging sessions that can be shared online. In Cologne, some teams prefer occasional on-site time for workshops, handover sessions, or hard migration work, but day-to-day delivery is usually easy to handle remotely.

Look for clear reasoning, not just fast edits. A strong Visual Studio expert explains why a build breaks, how the debugger or test runner helps, and what was changed to keep the solution stable. Good signs are tidy project structure, sensible use of extensions, and notes that make the setup repeatable.

Yes, Microsoft Visual Studio is still a core tool for modern .NET projects. It fits well when teams need deep integration with testing, debugging, profiling, Azure, and enterprise project structure. Many professionals still use VS for serious delivery work, even if they use other tools for lighter editing.

Prepare access to the solution, build instructions, key environment details, and a short list of current pain points. For VS or Visual Studio work, it also helps to share target frameworks, extension use, and any CI or deployment steps. That lets the specialist focus on fixes instead of chasing setup gaps.

The average hourly rate of freelancers in Cologne, Germany who have used Visual Studio in their recent projects is 98 €, which corresponds to a daily rate of about 786 € based on an 8-hour working day.

Of the freelancers in Cologne, Germany who have used Visual Studio in their recent projects, 92% hold at least a Bachelor's degree, 38% hold at least a Master's degree, and 8% hold a doctorate.

On average, freelancers in Cologne, Germany who have used Visual Studio in their recent projects have 21 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 (17%).

The most common industries among freelancers in Cologne, Germany who have used Visual Studio in their recent projects are Information Technology (94%), Banking and Finance (56%), and Transportation (56%).

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 (89%), and Quality Assurance (72%).

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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Philipp Thomaschewski

FRATCH CEO

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