ASP.NET Experts in Dortmund
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Meet FRATCH Experts in Dortmund, who have recently used ASP.NET
Yasin Y.
Last position:
Enterprise Architect at Bundesagentur fĂĽr 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
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
Volker D.
Last position:
Developer at DV-Consulting und Entwicklung Volker Döch
- Developed a new web app to manage and configure counting devices for large events
- Technologies: .NET 10, C#, Blazor, MudBlazor, MySQL, Git
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 monitor the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for the 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 statuses in real time
- Implemented an automated alerting workflow with Power Automate – an email notification is triggered immediately when a job fails
- Ensured transparency into the status of productive background processes during ongoing operations
Result: Full transparency into failed Business Central jobs · Significant reduction in response time through automated email alerting · Stable foundation for the proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
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#
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
Andreas N.
Last position:
Freelancer at Freelance work
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
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: 83%)
Master's degree or higher
60% (Germany: 51%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Dutch
Speak two or more languages
100% (Germany: 94%)
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 Dortmund 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.
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 29 Oct 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 Development with ASP.NET and ASP.NET Core
ASP.NET is Microsoft's framework for building modern web applications, distributed APIs, and cloud services using C# and the .NET runtime. Teams rely on it to develop transactional enterprise systems, secure identity solutions, and real-time platforms. The platform runs cross-platform workloads efficiently across Linux and Windows servers.
Core Ecosystem and Engineering Tooling
Modern web projects in the .NET ecosystem require deep fluency across foundational Microsoft technologies and complementary database tooling:
- Web API and Minimal APIs for microservices
- Entity Framework Core and Dapper for data access
- ASP.NET Core MVC and Razor Pages
- SignalR for bi-directional real-time communication
- IdentityServer and Microsoft Entra ID integration
Modernization and Migration Demands
A primary driver for contracting outside specialists is upgrading older systems. Organizations frequently need to migrate legacy .NET Framework codebases to ASP.NET Core to cut hosting overhead, enable containerization on Docker, and maintain security support. Experienced specialists handle incremental strangler-pattern migrations that keep production operational throughout the transition.
High-Throughput Services and Cloud Architecture
High-performance web backends built with the framework handle massive request volumes with low latency. Specialists optimize Kestrel web server configurations, structure memory-efficient asynchronous pipelines, and implement resilient caching layers using Redis. They design backends targeting Azure App Services, Amazon Elastic Container Service, or on-premises server clusters.
Industrial and Logistics Backends in Dortmund
Enterprise software environments across Dortmund and the broader Ruhr area rely heavily on Microsoft backends for supply chain coordination, B2B portals, and industrial telemetry. Companies in the region value professionals who can integrate web endpoints with enterprise resource planning systems and automated production pipelines, whether working hybrid in Dortmund or fully remote.
Attributes of Senior ASP.NET Freelance Specialists
Top specialists write clean, testable C# using dependency injection and MediatR for clean architectural separation. They write robust unit and integration tests with xUnit and Testcontainers, enforce defensive coding standards, and automate continuous integration workflows. Their work results in maintainable code that scales gracefully under real enterprise workloads.
Frequently asked questions
What clients ask us most about ASP.NET — answered in short.
Organizations use ASP.NET to build RESTful APIs, microservices architectures, cloud-native software-as-a-service platforms, and mission-critical line-of-business applications. It provides enterprise security, native asynchronous input-output processing, and direct interoperability with enterprise databases.
Legacy ASP.NET ran exclusively on Windows servers and was tightly coupled to Internet Information Services. Modern ASP.NET Core is cross-platform, modular, and considerably faster, allowing services to run natively inside Linux containers and cloud environments.
A proficient ASP.NET Core specialist brings practical expertise in C#, Entity Framework Core, SQL Server or PostgreSQL, and containerization using Docker. Familiarity with messaging platforms like RabbitMQ or Azure Service Bus is also common for distributed systems.
Yes, most organizations hiring an ASP.NET professional manage projects remotely using Git, CI/CD pipelines, and agile sprints. For businesses based in Dortmund, local specialists can also join on-site workshops, architectural syncs, or sprint planning days when needed.
Many industrial, logistics, and IT service providers in Dortmund require professional German for stakeholder alignment and documentation. However, international tech firms in the region frequently accept English for pure ASP.NET engineering and backend development roles.
Compared to Node.js, ASP.NET offers static typing, mature threading, and higher raw computational performance. Against Spring Boot, modern .NET provides lighter baseline memory usage, faster startup times, and seamless tooling through Visual Studio and the dotnet command-line interface.
Engaging a freelance ASP.NET specialist is ideal when undertaking architectural migrations from legacy systems, untangling technical debt, or implementing cloud-native patterns under tight deadlines. Outside experts deliver production-ready patterns immediately without an onboarding lag.
Strong ASP.NET code exhibits structured dependency injection, comprehensive integration testing, strict separation of concerns, and defensive data validation. Quality solutions also feature robust logging via Serilog, structured error handling, and minimal memory allocations in hot execution paths.
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 713 € 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.
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Hamburg 
Munich 
Frankfurt 
Dusseldorf 
Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
