.NET Core Expert in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used .NET Core
Thorsten Lenzen
Last position:
Senior Security Analyst
- Analysis and remediation of security vulnerabilities in a risk assessment system for energy trading
- System analysis
- Threat modeling
- Decision-making on vulnerability mitigation strategies
- Implementation of vulnerability detection mechanisms
- Security scans
- DevSecOps practices
- Technical environment: Visual Studio Code, JetBrains Suite, MS Threat Modeling Tool, DevSecOps, Git, AWS, DynamoDB, SQL Server, Endur, Snowflake, Orca
- Languages: C#, JavaScript, TypeScript, Python, PowerShell, Bash, Terraform, SQL
Anouar Taoussi
Last position:
Fullstack Developer Java/Spring Boot at Snipes SE (Deichmann Group)
- Migration of a .NET Core loyalty program for Snipes, used by mobile cash registers in Snipes stores
- Part of the customer’s digitalization strategy in an agile, cross-functional team with a high level of ownership
- Connecting interfaces to third-party systems (e.g. Brandung, CDS)
- Quality assurance through automated tests
- Carrying out developer, unit, and integration tests
- Patterns & methods used: Clean Code, microservice architecture, agile development with SCRUM
- Technologies & tools used: Spring Boot, Java 23, Java Persistence API (JPA), Azure DevOps, Azure Key Vault, Azure PostgreSQL, Docker & Kubernetes, Git, Graylog, Grafana, JUnit, SonarQube, Jira, Confluence, Prometheus, GitLab, GitLab CI/CD, Visual Studio Code
Thang Nguyen
Last position:
Lead Frontend Developer at STRÖER Dialog Group
- Development of the “Ranger App” (Maui Blazor Hybrid), an app to manage all internal apps
- Development of the “SWA App” (Maui Blazor Hybrid), a data capture app for Telekom acquisitions
Karan Shah
Last position:
Senior Software Engineer at Infosys Ltd
- Forecasting Cost Tool (PCCT) imports data via SSIS from CSV files and processes modules for administrator, user management, train operations, and fleet operations.
- Conducted requirement analysis and effort estimation.
- Designed database and developed web pages.
- Tested the application.
Jörg Nieveler
Last position:
Senior Software Architect at Nieveler IT Consulting
- Redesign of the 'Hessian Platform for Migration and Refugees'
- Technologies: C#, .NET 8.0, ASP.NET WebAPI, Blazor
- Architecture principles: Domain Driven Design, Mediator Pattern, Outbox Pattern, IOSP, Clean Code
- Methodologies: SCRUM, Coaching, Team Lead
Andreas Grutz
Last position:
Senior Fullstack .NET (Core) & Angular Developer at IT service provider
- Supported an agile team in the development of a new CRM tool
- Web frontend development (Angular 17 with MDB-Bootstrap, microfrontends, DDD)
- Backend development (C# & .NET 7-9, MongoDB, MassTransit, RabbitMQ, Elasticsearch, microservices, DDD)
- Coordination with stakeholders & product owners
- Assisted in sprint planning
Discover over 15,000 top freelancers
Statistics of experts using .NET Core
Aggregated from the professional profiles of matched freelancers.
Experience
24 years (Germany: 20 years)
Position duration
1.7 years (Germany: 2.8 years)
Positions per freelancer
17 (Germany: 16)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Energy, Banking and Finance
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
60% (Germany: 86%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, French
Speak two or more languages
100%
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 Dusseldorf 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 Dusseldorf using .NET Core
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
Enterprise Application Development with .NET Core
.NET Core, now evolved into modern .NET 8, is Microsoft's open-source, cross-platform framework for building fast, modern server-side applications. Freelance specialists use it to create high-performance web systems, background services, and cloud-native microservices that run seamlessly on Windows, Linux, and macOS.
Key Use Cases for the Framework
- Building scalable RESTful APIs and web applications using ASP.NET Core
- Migrating legacy .NET Framework systems to modern, cross-platform architectures
- Designing event-driven microservices deployed in Docker containers and Kubernetes
- Integrating secure data layers with Entity Framework Core and SQL databases
- Implementing cloud-native architectures optimized for Microsoft Azure and AWS
The Ecosystem and Technical Arsenal
The technology relies on C# as its primary language, offering strong typing, asynchronous programming, and modern language features. Experts leverage a rich ecosystem of tools, including Visual Studio, JetBrains Rider, NuGet package manager, and various testing frameworks like xUnit. Modern deployments often involve clean architecture principles, dependency injection, and continuous integration pipelines.
When to Bring in Freelance Expertise
Companies onboard freelance specialists when they need to accelerate product timelines, transition traditional desktop setups to the web, or optimize application performance. These professionals bring targeted architectural knowledge that helps local teams avoid common pitfalls during framework upgrades or cloud migrations.
Modernizing Dusseldorf's Digital Infrastructure
In Dusseldorf, sectors like telecommunications, consulting, and retail rely heavily on robust enterprise systems. Freelance specialists help local businesses modernize their IT landscapes, ensuring seamless integration between legacy databases and modern cloud solutions. They adapt easily to local corporate cultures and support hybrid work models directly from the Rhine-Ruhr region.
How to Spot Top-Tier Specialists
An outstanding professional demonstrates deep knowledge of memory management, asynchronous programming patterns, and security best practices like OAuth and OpenID Connect. They write clean, unit-tested code and can articulate the performance benefits of newer framework versions over legacy setups.
Frequently asked questions
Need clarity? These are the questions we hear most often about .NET Core.
Freelance specialists use .NET Core to build scalable web applications, enterprise APIs, and microservices. They frequently deploy these systems to cloud environments like Microsoft Azure to ensure high availability and performance.
Unlike the legacy framework, .NET Core is open-source, cross-platform, and optimized for modern cloud deployments. It offers significantly better performance, runs on Linux servers, and supports containerized environments out of the box.
Experts typically pair .NET Core with relational databases like SQL Server and PostgreSQL using Entity Framework Core as the object-relational mapper. They also integrate NoSQL solutions like MongoDB for specific distributed data scenarios.
While many international teams in Dusseldorf run projects in English, local corporate environments often appreciate German language skills for smoother documentation and stakeholder alignment. Most .NET Core freelancers in the region are accustomed to working in multilingual setups.
Yes, transitioning older applications to modern .NET Core is a common task for these professionals. They analyze existing dependency graphs, rewrite incompatible libraries, and ensure a smooth migration path without disrupting ongoing operations.
Many companies in Dusseldorf offer hybrid arrangements where the .NET Core expert works remotely but joins key architecture and planning sessions on-site at regular intervals. This balance ensures high productivity while maintaining strong team alignment.
While .NET Core is platform-agnostic, specialists frequently work with Microsoft Azure due to its native integrations. They also build and maintain pipelines for AWS and Google Cloud depending on the corporate infrastructure.
Look for candidates who understand asynchronous programming in C#, have hands-on experience with unit testing frameworks, and can demonstrate past success with API performance tuning in .NET Core environments.
The average hourly rate of freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects is 92 €, which corresponds to a daily rate of about 740 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects, 60% hold at least a Bachelor's degree.
On average, freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects are Information Technology (100%), Energy (67%), and Banking and Finance (50%).
The most common business areas among freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used .NET Core
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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