ASP.NET Experts in Dortmund
matched in minutes by AIHire experts who deliver secure web applications, REST APIs and enterprise platforms with ASP.NET Core, C# and Microsoft Azure. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Dortmund, who have recently used ASP.NET
Yasin Y.
Last position:
Enterprise Architect at Bundesagentur für Arbeit
Task:
- Design and build a proof of concept (PoC) for a future-proof virtualization platform, taking secure system architectures into account
- Assess the current state of existing infrastructures and develop selection and evaluation criteria for the right OS virtualization platform
- Carry out the requirements analysis and then create and prioritize tickets in the ticket system
- Complete and continuously update a tool evaluation matrix based on PoC results
- Support team knowledge building through clear documentation of the approach and results in Confluence
- Enterprise analysis of existing hardware (creating different BoMs)
Technologies: Vmware, Vmware Aria Operations, Osism, Canonical OpenStack, FishOs, Linux, Terraform, Ansible, Confluence, Alma
Manuel K.
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#
Kersten L.
Last position:
Lead Architect / Lead Developer at Bettles: Sports Betting Platform
- Complete greenfield rebuild across the whole stack — built AI-native: backend in Go and NestJS, PostgreSQL (CNPG) on K3s with GitOps/Terraform; frontend on Angular 22, zoneless.
- Orchestrated coding agents (e.g. Claude Code, Cursor) across the entire lifecycle — architecture, implementation, testing, reviews, documentation — driven by Specification-Driven Development (SDD).
- “Bruno” — LLM commentator persona backed by RAG and MCP for a personality that stays consistent across all generations (match previews, post-match reports, his own virtual bets).
Angular 22 (zoneless, without Zone.js), Claude Code, Claude Code Skills, CNPG, Cursor, Design Tokens (Spec for Code), Docker, Gherkin, Git, GitLab, GitOps, Go, Google Gemini, Grafana, Hetzner Cloud, K3s, Keycloak, Kubernetes, Lighthouse, LLM Integration, Model Context Protocol (MCP), NestJS, Node.js, NPM, Playwright, PostgreSQL, Prometheus, RAG, REST, Specification-Driven Development (SDD), Structured Outputs, Terraform, TypeScript, Vitest
Thomas G.
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
Volker D.
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
Aladdin A.
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 B.
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
Andreas N.
Last position:
Freelancer at Freelance Work
Ilja L.
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 P.
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
23 years (Germany: 21 years)
Position duration
2.4 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, Human Resources, Quality Assurance
Bachelor's degree or higher
60% (Germany: 82%)
Master's degree or higher
60% (Germany: 48%)
Certifications per freelancer
2
Most common languages
German, English, Dutch
Speak two or more languages
100% (Germany: 94%)
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 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.
Discover detailed ASP.NET rate benchmarks:
Explore rate insightsAverage 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
ASP.NET 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%)
- Government and Administration (60%)
- Education (50%)
- Healthcare (50%)
- Insurance (40%)
- Retail (40%)
- Banking and Finance (30%)
- Transportation (30%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Web applications
ASP.NET is Microsoft’s framework for building dynamic websites, business applications and web services with C#. It supports server-rendered applications, modern single-page application back ends and secure REST APIs. Teams use it for customer portals, internal tools, e-commerce systems and data-driven platforms.
Core ecosystem
ASP.NET Core is the modern, cross-platform foundation for new applications. Strong professionals work with Entity Framework Core, MVC, Razor Pages, Blazor, dependency injection and middleware. They also understand the wider .NET ecosystem, NuGet packages, Visual Studio and Microsoft Azure.
Common deliverables
- REST and GraphQL APIs for web and mobile clients
- Secure portals with identity, roles and permissions
- Modular business applications with SQL Server integration
- Background services, integrations and event-driven workflows
- Containerised ASP.NET Core services for cloud deployment
When expertise matters
Companies often bring in freelance ASP.NET specialists during a platform modernisation, a migration from older ASP.NET MVC applications or a new product launch. They can extend an existing Microsoft stack, improve performance and establish maintainable application structures without slowing the internal team. In Dortmund, remote collaboration may suit distributed teams, while on-site work can help with workshops and system handovers.
Skills beyond code
Effective professionals combine C# and ASP.NET knowledge with database design, API versioning, automated testing and application security. They may also bring experience with Azure App Service, Azure Functions, Docker, Kubernetes, CI/CD pipelines and monitoring. Clear documentation and reliable communication matter when systems connect several departments or external services.
Choosing a specialist
Look for someone who can explain architectural decisions in the context of your product, not just list Microsoft technologies. Review examples involving authentication, testing, deployment and integrations similar to yours. For teams in Dortmund, agree early on remote or on-site routines, working language and access to existing repositories, environments and technical documentation.
Frequently asked questions
What clients ask us most about ASP.NET — answered in short.
ASP.NET is used to build websites, business applications, REST APIs and backend services with C# and the .NET ecosystem. It fits systems ranging from internal portals to public-facing products that require authentication, database access and integrations.
ASP.NET Core is the modern, cross-platform implementation of Microsoft’s web framework. It offers a modular hosting model and runs on Windows, Linux and macOS, while older ASP.NET applications commonly depend on the Windows-based .NET Framework.
ASP.NET is a strong choice when a company already relies on C#, Microsoft identity, SQL Server or Azure. Node.js and Spring can also suit web systems; the right decision depends on existing skills, integration needs, runtime preferences and long-term maintenance.
A capable ASP.NET specialist often works with C#, Entity Framework Core, SQL databases, automated testing and API design. Azure, Docker, CI/CD, observability and frontend frameworks such as React or Angular are useful additions when the specialist owns more of the delivery process.
A small API may need a specialist who can structure endpoints, persistence and tests cleanly. A larger ASP.NET platform benefits from experience with modular architecture, security, deployment, performance and legacy migration; the required depth should match the system’s risk and complexity.
Yes. ASP.NET work is well suited to remote collaboration through shared repositories, issue tracking, documentation and secure development environments. Dortmund teams should define overlap hours, communication routines, language expectations and any workshops that require on-site attendance.
Ask how the ASP.NET professional approaches authentication, validation, testing, deployment and failure handling. Strong specialists explain trade-offs clearly, show maintainable code and connect technical decisions to reliability, security and business goals.
ASP.NET is suitable for cloud applications when its services are designed for the chosen environment. Professionals may use ASP.NET Core with Azure App Service, containers, serverless functions, managed databases and automated delivery pipelines, while applying suitable monitoring and security controls.
The average hourly rate of freelancers in Dortmund, Germany who have used ASP.NET in their recent projects is 89 €, which corresponds to a daily rate of about 714 € 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 23 years of professional experience, with a single engagement typically lasting around 2.4 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 (20%).
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 (60%), and Education (50%).
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 (70%).
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.
Berlin 
Hamburg 
Munich 
Frankfurt 
Dusseldorf 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
