ASP.NET Experts in Dortmund
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Meet FRATCH Experts in Dortmund, who have recently used ASP.NET
Manuel Kübler
Last position:
.NET Developer, SAP Business One Consultant at Own Projects
- DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
- E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.
Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#
Volker Döch
Last position:
Developer at DV-Consulting und Entwicklung Volker Döch
- New development of a web app to manage and configure counting devices for large events
- Technologies: .NET 10, C#, Blazor, MudBlazor, MySQL, Git
Thomas Grevenkamp
Last position:
Senior .NET / Cloud Engineer at Freelance
Building an observability and alerting solution for Business Central Job Queue monitoring
- Built a central monitoring solution to track the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for structured collection and analysis of job runtimes and error events
- Developed KQL queries for targeted analysis of failed jobs and detection of error patterns
- Connected Grafana and Power BI to visualize operational metrics and job status in real time
- Implemented an automated alerting workflow with Power Automate – when a job fails, a notification email is sent immediately
- Ensured transparency about the state of productive background processes during live operations
Result: Full transparency over failed Business Central jobs · Clear reduction in response time through automated email alerting · Stable foundation for proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
Aladdin Alzoubi
Last position:
Technical Consultant at NFON
- Presentations and workshops regarding different VOIP products and technologies
- Design of VOIP and network solutions from core to premium solutions and necessary non-standard solutions
- Processing of tenders
- Development of VOIP and network technical implementation of customer requirements
- Implement and configure different UC products on cloud
Hendrik Belitz
Last position:
Lecturer at Front and Fullstack Development Lecturer
- Teaching JavaScript, HTML, CSS, React, NodeJS, MongoDB, MariaDB, and Express
- Designing and preparing lessons
- Classroom teaching and one-on-one coaching
Yasin Yildiz
Last position:
DevOps Architect & Backend Developer at Schweizerische National Bank
- Architecting and enhancing the DevOps infrastructure in a regulated environment
- Migration, planning, and development from a monolith to microservices (ASP.NET Core)
- Building and maintaining CI/CD pipelines (GitLab, Jenkins) to support agile development
- Managing artifact repositories with JFrog Artifactory and security scans via Xray
- Migrating and integrating source code repositories (SVN → GitLab)
- Operating and configuring a container platform with OpenShift
- Automating deployments with Ansible, Helm, and the Ansible Automation Platform
- Implementing monitoring and alerting solutions with Prometheus
- Collaborating closely with the frontend development team to optimize build, test, and release processes
- Supporting the establishment of secure and scalable infrastructure processes (Secure SDLC)
- Documenting and sharing knowledge within the team
- Leading refinements and designing the backend architecture
Andreas Niemann
Last position:
Freelancer at Freelance Work
Ilja Leyberman
Last position:
Software Engineer/Architect (Tech Lead) at Mercedes-Benz Tech Innovation GmbH
- Implementation of various interfaces for subsystems and connection to external devices (cameras, scanners, digital lockers)
- Development of various interfaces in the used cars area
- Realization of various prototypes
- Support in UI/UX and data analytics
- Development of frontend and backend solutions
- Kubernetes migration
- Building CI/CD pipelines
- Communication with the business unit and technical design of new solutions
- Cross-team alignment and coordination within the team
- Overview of the entire technology stack and related systems
- Documentation, preparation, and conducting of reviews
- Supporting the team and coordinating releases and key milestones
Henning Pankratius
Last position:
Siemens
- Developed a reporting API with RESTful services and Spring Boot
- LDAP integration
- Migrated services to AWS
- Bootstrap
- Frontend development with Angular 14
- JBoss
- DynamoDB
- S3
- Athena
Discover over 15,000 top freelancers
Statistics of experts using ASP.NET
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 21 years)
Position duration
2.6 years (Germany: 2.2 years)
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Government and Administration, Education
Certification focus areas
Information Technology, Quality Assurance
Bachelor's degree or higher
60% (Germany: 83%)
Master's degree or higher
60% (Germany: 47%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Dutch
Speak two or more languages
100% (Germany: 93%)
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 Dortmund 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 Dortmund using ASP.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
ASP.NET for business systems
ASP.NET is used to build web applications, APIs, portals, and internal tools on the .NET stack. Companies choose it for secure, structured software that needs clear code, strong integration, and room to grow.
Common project work
- Web portals and customer dashboards
- REST APIs for mobile and frontend apps
- Internal business applications
- Identity, login, and role-based access
- Migration from older .NET Framework solutions
Ecosystem and tooling
Strong professionals working with ASP.NET usually know C#, .NET, ASP.NET Core, Entity Framework Core, SQL Server, and Azure. They also work with dependency injection, configuration, logging, testing, and CI/CD so the code can move safely from build to release.
When companies bring in specialists
Freelance support is useful when a team needs to modernize an older application, speed up delivery, or cover a gap in the current stack. In Dortmund, that often fits companies that run enterprise software, industrial tools, logistics systems, or customer-facing services and need remote or on-site support.
What good experts deliver
Good ASP.NET specialists write maintainable code, shape clean API contracts, and handle authentication, data access, and error handling with care. They think in releases, not only in code, and they document enough so the next expert can continue without friction.
Signs you need help
If a project feels slow, brittle, or hard to change, it usually needs outside expertise.
- Slow feature delivery
- Legacy ASP.NET or ASP.NET MVC code that is hard to maintain
- Performance or stability issues
- Missing test coverage
- Need for cloud migration or architecture cleanup
Frequently asked questions
What clients ask us most about ASP.NET — answered in short.
ASP.NET is commonly used for web applications, APIs, dashboards, and internal business systems. It fits projects that need secure authentication, clean data access, and reliable integration with other services. Many teams also use ASP.NET Core for new builds because it works well across modern deployment setups.
Yes, when the stack is already based on .NET or the project needs strong enterprise integration. ASP.NET is a solid choice for business software, especially when C#, Azure, and existing Microsoft systems are part of the landscape. For greenfield work, many teams prefer ASP.NET Core rather than older ASP.NET Framework versions.
ASP.NET is often chosen for structured enterprise applications and teams that want tight integration with the Microsoft ecosystem. Compared with Node.js, it usually feels more opinionated and strongly typed; compared with Java, it often has a shorter path from setup to a working service. The better choice depends on the existing stack, deployment model, and internal skills.
A strong ASP.NET specialist usually also knows C#, SQL, HTML, CSS, JavaScript, and the basics of Azure or another cloud setup. For backend work, experience with Entity Framework Core, REST APIs, authentication, and testing matters a lot. For modern projects, ASP.NET Core and clean dependency injection patterns are especially important.
It depends on the task. A small API extension may only need a focused ASP.NET expert, while a legacy migration or platform redesign needs someone who understands architecture, security, and release planning. The more integrations, users, and data flows involved, the more important senior-level judgment becomes.
Yes, most ASP.NET work can be done remotely because code, reviews, and build pipelines live in shared tools. On-site collaboration in Dortmund can still help at the start of a migration, during workshop-heavy phases, or when a team wants closer coordination with product and operations. Many projects use a mix of both.
Check whether the ASP.NET code is readable, testable, and split into clear layers. Good work includes stable API design, sensible error handling, secure authentication, and enough tests to support change. If a specialist explains trade-offs clearly and keeps deployment simple, that is usually a strong sign.
That depends on the application you already run. ASP.NET Framework knowledge matters when you must maintain or migrate older systems, while ASP.NET Core is the better fit for most new services and modern cloud deployments. A good freelancer can work across both and help you plan the transition if needed.
The average hourly rate of freelancers in Dortmund, Germany who have used ASP.NET 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 Dortmund, Germany who have used ASP.NET in their recent projects, 60% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Dortmund, Germany who have used ASP.NET in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Dortmund, Germany who have used ASP.NET in their recent projects are German (100%), English (100%), and Dutch (22%).
The most common industries among freelancers in Dortmund, Germany who have used ASP.NET in their recent projects are Information Technology (100%), Government and Administration (56%), and Education (44%).
The most common business areas among freelancers in Dortmund, Germany who have used ASP.NET in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used ASP.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.
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