.NET Core Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used .NET Core
Rizwan B.
Last position:
Software Developer/Database/Devops at Sutor Bank
Project:
- Migration of existing VB6 applications to C# (Web API, web app)
- Report development and risk management systems (C#, API interfaces, databases)
- Document archive (API interfaces, databases)
Team size: 9 people
- Reports for Risk and Credit Management Development and maintenance of report structures to support risk and credit decisions, including data modeling, validation, and automated delivery for business departments.
- Migration and maintenance of a legacy system to the latest version of .NET for the asset management system Planning and execution of the modernization of an existing asset management system, including code refactoring, performance optimization, test automation, and sustainable maintenance after migration.
- Replacement of the COM-based archive connection with a REST API Redevelopment of the connection of the document archive (HYPARCHIV) to a REST API based on OpenAPI/Swagger, including archiving with index and stamp fields as well as PDF export into the customer portal.
- Redesign of payment receipt processing Replacement of an existing Oracle PL/SQL process with a new implementation in C# based on a business concept, including business alignment, data modeling, and test coverage.
- Design and implementation of tests, creation of deployment pipelines, and documentation
- Further development and implementation of change requests.
- Regular code reviews within the team as well as optimization of application scalability and stability
Technologies: C#, .NET 10, ASP.NET, Unit of Work, IoC, Three-Tier Architecture, Entity Framework Core, DB First, Web API, Swagger, OpenAPI, Python, Oracle, HYPARCHIV, Azure, PowerBI, DevOps, AKS (Azure Kubernetes Service), GIT, xUnit, NSubstitute, TypeScript, Vue.js, Pinia,
Methods: agile development using Scrum
Frank S.
Last position:
Freelance Unity 3D / C# / Xamarin / WPF / .NET Developer at Frank Stutzkowski
Torsten L.
Last position:
Technical design and development of frontend and backend for e-waste-race.de / textil-race.de at Das macht Schule gemeinnĂĽtzige GmbH
- Creation of a platform where schools can run competitions to collect e-waste or old textiles
- Development of a shared PHP backend for administration by the client
- Connection of two separate WordPress sites via REST API
- Development of a custom WordPress theme with an extensive login area for students
- Setup of normally editable content pages using Elementor
Matthias E.
Last position:
Lead Android Developer at Star Finanz-Software Entwicklung und Vertriebs GmbH
- Further development of the Android app "StarMoney"
- Major XML to Compose redesigns
- Introduction of new technologies and architecture
- Implementation of instant bank transfer
- Development following the agile Scrum process
Marcel S.
Last position:
Lead Developer / Software Architect at RezeptprĂĽfstelle Duderstadt GmbH
Responsible for the new development of billing and auditing software for prescriptions (prescriptions) to fully check and evaluate e-prescriptions for correctness (content, billing)
The system consists of several contexts that run as services (Docker containers):
Checking and processing data deliveries via FTP and email
Managing invoices, clearings, advance payments and deductions
Managing and running audit rules and audit folders
Evaluations based on Metabase
Developer Stack: Kotlin, Vue 3 / Vuetify 3, ANTLR, Spring Boot 3, REST API, Gradle, Docker, GitLab, PostgreSQL, Kafka, Keycloak, Scrum, Grafana, Loki, Testcontainers, Prometheus
Sascha B.
Last position:
Fullstack Developer at INLOGY GmbH
- Developed and maintained a distributed monitoring system for drilling rigs
- Developed an administration application for the Swiss social system
- Estimated efforts for customer requirements
- Technologies: C#, ASP.NET, Entity Framework Core, MS SQL, npm, Angular, TypeScript, HTML, SCSS, Storybook, NodeJS
- Tools: Scrum, Figma, Jira, Confluence, Azure DevOps, CI/CD
Jens M.
Last position:
Fullstack Developer / Team Lead at Self-employed (MeĂźinger & Rantzuch GbR)
- Provided fullstack web development as a new development and replacement of existing desktop and web applications for an ERP solutions provider in the education sector
- Analyzed and redesigned development processes and collaboration in distributed teams
- Responsibilities included team leadership, conceptual design, architecture, implementation, DevOps and consulting
- Technologies: C# & .NET (ASP.NET 7), Angular 14, JavaScript/TypeScript, OData/REST, SOAP, Azure DevOps
- Integrated interfaces to educational providers and authorities
Discover over 15,000 top freelancers
Statistics of experts using .NET Core
Aggregated from the professional profiles of matched freelancers.
Experience
18 years (Germany: 19 years)
Position duration
1.8 years (Germany: 2.8 years)
Positions per freelancer
14 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Human Resources, Product Development
Bachelor's degree or higher
80% (Germany: 88%)
Master's degree or higher
60% (Germany: 49%)
Doctorate
20% (Germany: 2%)
Certifications per freelancer
1 (Germany: 2)
Most common languages
German, English, Russian
Speak two or more languages
100% (Germany: 98%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Hamburg are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Hamburg 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 29 Oct 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%)
- Banking and Finance (71%)
- Retail (57%)
- Energy (43%)
- Healthcare (43%)
- Insurance (43%)
- Transportation (43%)
- Manufacturing (43%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What .NET Core is
.NET Core is Microsoft’s cross-platform, open-source framework for building modern web applications, APIs, background services and cloud software. It evolved into the unified .NET platform, while many teams still use “.NET Core” to describe applications built with the earlier cross-platform stack. It runs on Windows, Linux and macOS.
What it builds
.NET Core supports systems that need strong performance, maintainable code and flexible deployment.
- REST and gRPC APIs for web and mobile products
- ASP.NET Core web applications and backend services
- Microservices, workers and event-driven processes
- Enterprise portals, integrations and internal platforms
- Containerized workloads for cloud and hybrid environments
Ecosystem and tooling
Professionals typically work with C#, ASP.NET Core, Entity Framework Core and LINQ. Common tools include Visual Studio, JetBrains Rider, the .NET CLI, NuGet and automated testing frameworks. Azure services, Docker, Kubernetes, SQL Server, PostgreSQL and message brokers often form part of the wider delivery environment.
When companies need specialists
Freelance expertise is valuable when a team is modernizing a .NET Framework application, splitting a monolith or preparing a service for cloud deployment. It also helps when API performance, identity, testing or release automation has become a delivery risk.
- Migrating from .NET Framework to modern .NET
- Designing secure APIs and service boundaries
- Improving observability, resilience and deployment pipelines
- Connecting applications to databases and external systems
What strong professionals bring
Strong specialists understand more than C# syntax. They make sound choices around dependency injection, asynchronous programming, configuration, authentication, authorization and data access. They also understand clean architecture, domain-driven design and practical testing without adding unnecessary complexity.
They can explain trade-offs clearly, review existing code and leave a maintainable solution behind. For Hamburg teams, remote collaboration can work well when documentation, communication and delivery ownership are clear; German or English language skills should match the project context.
How to assess fit
Review work involving the same application type, deployment model and integration demands as your project. Ask how the professional would approach API versioning, database migrations, secrets, logging, automated tests and failure recovery. A useful technical discussion should connect these decisions to business constraints rather than focus only on framework features.
Check whether the specialist has worked with the required .NET version, hosting environment and surrounding systems. A short code review or architecture workshop can reveal how clearly they reason, how they handle legacy constraints and whether they can collaborate effectively with your existing team.
Frequently asked questions
Curious about .NET Core? Here are the answers that come up again and again.
.NET Core is used to build cross-platform web applications, REST and gRPC APIs, background services, microservices and enterprise backends. It is commonly paired with C#, ASP.NET Core, databases and cloud infrastructure.
.NET Core was designed as a cross-platform, open-source successor to the Windows-focused .NET Framework. Modern unified .NET continues that direction with broader API coverage, while legacy applications may still depend on Framework-specific libraries.
.NET Core and Java Spring Boot can both support APIs, microservices and large business systems. The decision usually depends on existing language skills, Microsoft or Java ecosystem commitments, hosting standards, libraries and the team’s operational experience.
A strong .NET Core specialist often works with C#, ASP.NET Core, Entity Framework Core, SQL, Docker and automated testing. Experience with Azure, Kubernetes, CI/CD, message brokers, observability and identity systems is useful for production delivery.
The right level depends on the scope and risk of the work. A contained API may need focused implementation skills, while a migration, distributed system or regulated enterprise application calls for someone who can make architecture, security and delivery decisions independently.
.NET Core work is well suited to remote collaboration because source control, cloud environments, automated tests and delivery pipelines can be shared online. Agree on working hours, documentation and communication practices, and clarify whether German or English is required for stakeholders.
Ask the .NET Core professional to explain decisions about API design, data access, testing, security and deployment. Look for clear trade-offs, practical handling of failure cases and evidence that they improve maintainability rather than only delivering isolated features.
.NET Core is suitable for microservices and cloud-native systems when the architecture fits the business need. ASP.NET Core, container support, health checks, configuration, telemetry and asynchronous processing provide useful building blocks, but splitting a system should not be treated as an automatic improvement.
The average hourly rate of freelancers in Hamburg, Germany who have used .NET Core in their recent projects is 90 €, which corresponds to a daily rate of about 722 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used .NET Core in their recent projects, 80% hold at least a Bachelor's degree, 60% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used .NET Core in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Hamburg, Germany who have used .NET Core in their recent projects are German (100%), English (100%), and Russian (29%).
The most common industries among freelancers in Hamburg, Germany who have used .NET Core in their recent projects are Information Technology (100%), Banking and Finance (71%), and Retail (57%).
The most common business areas among freelancers in Hamburg, Germany who have used .NET Core in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (43%).
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.
Berlin 
Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg 
Berlin 
Munich 
Frankfurt 
Dusseldorf 
Dortmund Countries:
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