.NET Core Experts in Düsseldorf
, matched in minutes from over 15,000 CVsHire experts who deliver ASP.NET Core APIs, cloud-native services and enterprise applications with C#, Entity Framework Core and Microsoft Azure. FRATCH matches you quickly and precisely with vetted, available freelancers who fit your technical needs.
Meet FRATCH Experts in Düsseldorf, who have recently used .NET Core
Thorsten L.
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
Andreas G.
Last position:
Senior Fullstack .NET (Core) & Angular Developer at IT Service Provider
- Supporting several agile teams in the new product development of an enterprise CRM and ERP application
- Web frontend development with Angular 17–21 (microfrontends, Domain-Driven Design, MDB-Bootstrap)
- Backend development with C# and .NET 7–10, MongoDB, MassTransit, RabbitMQ, Entity Framework Core, ElasticSearch (microservices, DDD)
- Technical feature design for assigned tasks
- Technical architecture design including forward-looking planning of AI-supported extension options
- Proof-of-concept implementation of AI-supported workflows with n8n and a locally hosted LLM (Ollama)
- Coordination with stakeholders and Product Owners, support with sprint planning
Result: Delivery of production-ready microservices and frontend modules in agile sprint cycles.
Environment: .NET 7–10 · Angular 17–21 · C# · TypeScript · OpenAPI · Microfrontends · DDD · Kubernetes · Docker · Helm · MS SQL Server · PostgreSQL · MongoDB · MassTransit · RabbitMQ · EF Core · ElasticSearch · Kibana · Azure DevOps · KeyCloak · n8n · Ollama
Lutz E.
Last position:
Freelance Software Developer – GoPro MultiCam Control via COHN at Plutos Company UG
- Development of a pilot system to control and monitor multiple GoPro cameras
- Implementation of start, stop, status, media, download, and diagnostic functions via COHN endpoints
- Realization of camera detection, single and group control, as well as stable session/keep-alive logic
- Setup of a download pipeline with queue, retry handling, and temporary files
- Consistent session, folder, and file naming for multi-camera recordings
- Integration of provisioning, certificates, and network operations
Jörg N.
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
Anouar T.
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 N.
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 S.
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.
Discover over 15,000 top freelancers
Statistics of experts using .NET Core
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 19 years)
Position duration
1.5 years (Germany: 2.8 years)
Positions per freelancer
17 (Germany: 14)
Top business areas
Information Technology, Product Development, Business Intelligence
Top industries
Information Technology, Energy, Banking and Finance
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
67% (Germany: 88%)
Master's degree or higher
17% (Germany: 46%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 98%)
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 Düsseldorf 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 Düsseldorf 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
.NET Core 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 (100%)
- Energy (57%)
- Banking and Finance (57%)
- Manufacturing (57%)
- Retail (57%)
- Media and Entertainment (43%)
- Professional Services (43%)
- Government and Administration (43%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What .NET Core does
.NET Core is Microsoft’s cross-platform framework for building web applications, APIs, background services and other modern software. Its successor is the unified .NET platform, while many teams still use “.NET Core” when referring to the open-source, high-performance foundation behind ASP.NET Core projects.
Where it fits
.NET Core runs on Windows, Linux and macOS, making it suitable for cloud deployments, containers and mixed infrastructure. Companies use it for customer portals, internal systems, financial services, logistics software and connected business applications. In Düsseldorf, it is often relevant to teams modernising established Microsoft environments without abandoning their existing technology investments.
Ecosystem and tooling
Strong specialists work across the framework and the surrounding Microsoft stack. Typical project tasks include:
- Designing ASP.NET Core APIs and modular web applications
- Connecting Entity Framework Core to relational databases
- Building background workers, messaging flows and integrations
- Packaging services with Docker and deploying them to Azure
- Automating builds, tests and releases with CI/CD tooling
When to bring in expertise
Freelance expertise helps when a team needs to modernise a .NET Framework application, establish a clean service architecture or accelerate a cloud migration. It is also useful for difficult integrations, performance work, security reviews and temporary delivery capacity. Clear requirements, access to existing repositories and an agreed deployment process help a specialist contribute quickly.
What strong specialists know
A capable .NET Core professional combines C# fluency with sound software design. They understand dependency injection, asynchronous programming, authentication, authorization, testing and observability rather than treating the framework as a collection of templates. They can explain trade-offs between a modular monolith, separate services and serverless components in terms of the product’s actual needs.
Collaboration in Düsseldorf
Düsseldorf companies may need specialists who can work remotely, join on-site workshops or combine both approaches. The right fit depends on architecture decisions, stakeholder access and the sensitivity of the systems involved. German and English communication may both matter, especially when the work spans local business teams, international product groups and Microsoft-based enterprise operations.
Frequently asked questions
Need clarity? These are the questions we hear most often about .NET Core.
.NET Core is used to build cross-platform web applications, REST APIs, background services, command-line tools and cloud-native workloads. Teams commonly pair it with ASP.NET Core, C#, Entity Framework Core, relational databases and container tooling.
.NET Core is the open-source, cross-platform successor to the Windows-focused .NET Framework. It is generally a better fit for Linux hosting, containers and modern cloud delivery, while .NET Framework can remain appropriate when an application depends on older Windows-only libraries.
.NET Core was the name used for Microsoft’s cross-platform releases before the platform moved to the unified .NET name. A specialist should check the project’s target runtime, dependencies and hosting model rather than relying only on the label used in a brief.
A strong .NET Core specialist often brings C#, ASP.NET Core, Entity Framework Core, SQL, automated testing and API design. Experience with Docker, Kubernetes, Azure, message brokers, CI/CD and observability can also be important for distributed production systems.
The right level depends on the project’s risk and scope, not on a fixed number of years. A small API may need focused framework knowledge, while a migration or high-volume platform calls for proven skills in architecture, security, performance and production operations.
Yes. .NET Core work is well suited to remote collaboration when repositories, environments, documentation and review practices are organised. Düsseldorf teams should clarify working hours, German or English communication, workshop expectations and access rules before the engagement begins.
Ask for examples of shipped ASP.NET Core systems and discuss the decisions behind their architecture. Review how the specialist handles testing, authentication, dependency management, database changes, logging, deployment and failure recovery instead of judging code from isolated samples.
Freelance .NET Core expertise is valuable during a migration from .NET Framework, a move to containers or Azure, and the development of a new API layer. Specialists can also provide focused help with performance bottlenecks, security improvements, integration work or delivery gaps in an existing team.
The average hourly rate of freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects is 91 €, which corresponds to a daily rate of about 728 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects, 67% hold at least a Bachelor's degree and 17% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 1.5 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 (29%).
The most common industries among freelancers in Dusseldorf, Germany who have used .NET Core in their recent projects are Information Technology (100%), Energy (57%), and Banking and Finance (57%).
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 Business Intelligence (57%).
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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FRATCH CEO
