.NET Experts in Cologne
in minutes from over 15,000 CVs with the power of AIHire experts who build APIs, ASP.NET Core web apps, cloud services and integration layers with .NET, C# and Azure. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Cologne, who have recently used .NET
Burhan Dinler
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
Rodion Orlinskiy
Last position:
Founder, CTO & Managing Director at MYNR Product Mining GmbH
- Responsible for the architecture and development of an AI-native SaaS platform for industrial product portfolio management.
- Designed the modern data platform architecture on Azure for scalable analytics and enterprise data integration.
- Built enterprise data ingestion and transformation pipelines across complex industrial system landscapes.
- Developed graph-based representations of product structures and dependencies for analytical reasoning.
- Designed and implemented an agentic AI framework for AI-supported decision workflows.
- Built scalable analytical microservices and integrated reporting through modern BI technologies.
- Coordinated backend, AI, and frontend development across the MYNR platform stack.
Rainer Langbehn
Last position:
Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer at Techniker Krankenkasse
Automation of the database major / minor releases for the TKeasy project
Concept for database major / minor release automation
As-is analysis
Evaluation of Redgate Flyway functionality
Concept creation
Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence
Skills: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases
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)
Florian Rubel
Last position:
Senior Fullstack Developer at Ivii GmbH
- Two-month modernization of the management UI for AI-powered cameras
- Rewrote a complex React application to Vue 3 with single file components
- Set up the core architecture of the Vue application and configured Vite, Pinia, Router, I18n, ESLint, and Prettier
- Custom integration of Leaflet to display detection zones on images
- Assisted with backend extension and authentication adjustments
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
Denis Kirpicev
Last position:
Management Consultant at Freelance Management Consultant
Implementation of custom reporting solutions for financial KPIs aligned with specific business requirements
Development of a machine learning application that achieved a 250% performance improvement
Data Architect "Production-Oriented Quality Assurance" (03/2024–09/2024):
Design and implementation of an analytics platform to detect quality deviations in manufacturing
Build of a scalable data lakehouse architecture on Databricks in combination with SAP ERP data via SAP Datasphere
Close collaboration with the SAP team to harmonize bill of materials and order data
Visualization of KPIs to support shopfloor management
Lead Data Engineer "Sales Performance Monitoring" (08/2023–12/2023):
Design and implementation of a Databricks-based platform for analyzing sales figures and promotion effects
Integration of SAP SD data via SAP BW/4HANA
Use of Azure DevOps to orchestrate ETL jobs and deploy workflows
Technical Project Lead "Cloud Migration & Data Strategy" (02/2023–05/2023):
Migration of a heterogeneous data warehouse stack to a modern cloud architecture on Azure with Databricks as the central processing platform
Development of a governance-compliant data architecture to integrate SAP financial data and non-SAP sources
Technologies: Databricks, Delta Lake, Python, SAP Datasphere, Azure DevOps, PowerBI, SQL
Maximilian Müller
Last position:
Interim Recruiter at Intersnack Group
- End-to-end recruiting, consulting with departments, drafting job descriptions, scheduling, building an automated recruiting process
- Focus on project environment, ERP rollout, project management, business process experts
- Active sourcing, identifying & screening candidates, gathering requirements, sourcing strategy, asset management & social media marketing, feedback sessions
- Direct approach, social media recruiting, performance recruiting, online marketing, building a talent pool
- Employer branding, project controlling, leading and accompanying interviews, executive search
- MS Office 365, Exchange, Word, Excel, agile recruiting, LinkedIn Recruiter, boolean & X-ray search, MS Teams, Recruitee ATS
Muhammet Tasci
Last position:
Head of IT at Audit Association of German Banks
- Overall responsibility for the strategic and operational realignment and management, further development of IT with direct reporting to the executive board
- Cloud transformation projects: MS365, Exchange Online, SharePoint Cloud, infrastructure cloud migration
- Leading an IT organization with around 20 employees
- Realigning IT as a strategic enabler for the entire organization
- Developing and implementing a holistic IT strategy ("Cloud First") including governance, security, and operational models
- Building a modern service management framework (ITIL) and effective control mechanisms
- Strategically managing software development and delivery (DevOps, CI/CD)
- Implementing cloud and digitization strategies
- Strategic planning and IT roadmap
- Optimizing IT infrastructure
- Budget and cost management
- Infrastructure migration: on-premise to on-premise (colocation)
- Overall responsibility for budget, cost optimization, resource and staff development
- Managing central digitization and transformation initiatives as well as board-level processes
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
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
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
Ronny Herold
Last position:
Förderbank Deutschland
- Extraction and transformation of relevant data from the SAP system developed for the bank and consolidation into the existing reporting environment
- Integration of the data into the existing BI model (extending the star schema to a galaxy schema) for generating the funding committee report and the business development report
- Ensuring data quality
- Knowledge transfer to department staff (SAP, SQL database, Power Pivot, DAX)
Dirk Gottschling
Last position:
Senior Software Engineer, Software Architect at International Automotive Company
- Implementation of C and ARXML code generators
- Design and extension of local REST clients
- C# / REST / XSD / Embedded / WinForms
René Pelzer
Last position:
CIO at clics GmbH
- Software development
- Team management
- Project management
Discover over 15,000 top freelancers
Statistics of experts using .NET
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 21 years)
Position duration
3.2 years (Germany: 3.1 years)
Positions per freelancer
13 (Germany: 15)
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Project Management, Information Technology, Product Development
Bachelor's degree or higher
100% (Germany: 87%)
Master's degree or higher
73% (Germany: 51%)
Doctorate
9% (Germany: 6%)
Certifications per freelancer
3
Most common languages
German, English, Turkish
Speak two or more languages
100% (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 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 .NET
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
What .NET Covers
.NET is a software platform for building web apps, APIs, services and internal business systems. It is common in enterprise environments where stability, clear structure and long-term maintenance matter. Teams also use it for desktop tools, cloud workloads and back-end systems that connect many services.
Typical Deliverables
- ASP.NET Core web applications and APIs
- Background services and message-driven components
- Desktop software with WPF or WinForms
- Cloud services on Azure or Linux
- Modernization of legacy .NET Framework systems
Ecosystem And Skills
Strong .NET professionals usually work with C#, ASP.NET Core, Entity Framework Core, SQL Server and Azure. They know how to design clean application layers, handle authentication, and build reliable integrations with other systems. Many also bring testing, CI/CD and performance tuning into the delivery.
When Freelance Help Fits
Companies bring in freelance .NET experts when a project needs a fast start, specialist knowledge or extra delivery capacity. This often happens during migrations from .NET Framework to .NET, when an API needs to be rebuilt, or when a new service must fit into an existing architecture without disruption.
Cologne Context
In Cologne, .NET is common in sectors with complex internal systems, such as media, logistics, manufacturing and professional services. Local teams often combine on-site workshops with remote delivery. Good specialists can work in German or English, depending on the team and the project setup.
What Good Experts Deliver
A strong .NET specialist writes code that is maintainable, secure and easy to extend. Look for clear architecture choices, practical testing habits and experience with deployment, monitoring and debugging. The best professionals explain trade-offs plainly and can move between new development and legacy code with confidence.
Frequently asked questions
Questions about .NET? Start with the answers below.
.NET is used to build web applications, APIs, background services, desktop tools and internal business software. It is a common choice when a company needs structured code, good tooling and a path from legacy systems to modern services.
.NET is the current platform name. .NET Core was the earlier cross-platform line, and ASP.NET Core is the web framework used to build web apps and APIs on modern .NET. In hiring, people often use these names together because the skill set overlaps.
A strong .NET specialist usually also knows C#, SQL, REST APIs, authentication, testing and one cloud stack, often Azure. For business systems, experience with Entity Framework Core, message queues and CI/CD is often just as important as the framework itself.
A .NET project does not always need deep specialist knowledge, but it does need someone who has shipped similar work before. Simple API work is easier to staff than a migration, a distributed system or a legacy modernization effort, where architecture and debugging matter more.
Hire a .NET freelancer when you need speed, a specific skill set or short-term support for a release, migration or rescue effort. Freelancers are also useful when your permanent team is busy and the project needs focused delivery without a long onboarding phase.
.NET is often chosen for enterprise back ends, internal tools and Azure-based systems. Java is a close alternative for large back-end platforms, while Node.js is common when JavaScript skills and fast web iteration matter more than strict back-end structure.
Yes. .NET work is often well suited to remote collaboration because APIs, services and code reviews can be handled asynchronously. In Cologne, many teams still like one or two on-site sessions for planning, architecture or stakeholder alignment.
Ask for examples of .NET systems that match your situation: greenfield APIs, migrations, cloud services or legacy cleanup. Good signs are clear code structure, realistic estimates, test coverage, security awareness and the ability to explain why a design choice was made.
The average hourly rate of freelancers in Cologne, Germany who have used .NET in their recent projects is 91 €, which corresponds to a daily rate of about 725 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used .NET in their recent projects, 100% hold at least a Bachelor's degree, 73% hold at least a Master's degree, and 9% hold a doctorate.
On average, freelancers in Cologne, Germany who have used .NET in their recent projects have 22 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 .NET in their recent projects are German (100%), English (100%), and Turkish (20%).
The most common industries among freelancers in Cologne, Germany who have used .NET in their recent projects are Information Technology (93%), Banking and Finance (67%), and Manufacturing (47%).
The most common business areas among freelancers in Cologne, Germany who have used .NET in their recent projects are Information Technology (93%), Product Development (80%), and Quality Assurance (73%).
Main locations of FRATCH Experts, who have recently used .NET
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 
Hamburg 
Munich 
Frankfurt 
Stuttgart 
Dusseldorf 
Dortmund 
Essen 
Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
