ASP.NET Experts in Berlin
with precise AI matching, from over 15,000 CVsHire experts who build secure web applications, APIs and enterprise services with ASP.NET, .NET, C# and Azure. FRATCH matches you quickly with vetted, available freelancers who fit your technical needs and working model.
Meet FRATCH Experts in Berlin, who have recently used ASP.NET
Jorge N.
Last position:
Senior Developer at NDA
AI Platform Backend – Senior Developer
Hired to design and build an AI platform backend from the ground up, including multi-provider LLM orchestration and real-time infrastructure for AI influencer personas at scale.
Tasks and Responsibilities
- Architected and implemented a multi-LLM orchestration layer with Semantic Kernel to integrate GPT-4 and other providers for core platform logic and AI influencer personas, reducing model-switching overhead by abstracting provider APIs behind a unified interface.
- Designed and developed a backend from the ground up in C# / .NET 10, including domain modeling with DDD, a versioned RESTful API layer, and cloud infrastructure on Azure.
- Built real-time chat infrastructure with Server-Sent Events (SSE), message persistence, and delivery guarantees for running AI influencer personas live at scale.
- Developed a media management service with cloud object storage integration for uploading and retrieving influencer-generated content.
- Created an integration and unit test suite with data seeding for reliable regression testing across all core platform flows, significantly reducing the production error rate.
Tools and Technologies: C#, .NET, ASP.NET Core, Python, TypeScript, MySQL, Semantic Kernel, EF Core, Minimal APIs, LLM Orchestration, Prompt Engineering, Agentic AI, Generative AI, AI-Assisted Engineering, Claude Code, GitHub Copilot, Google Gemini, OpenAI API, Ollama, Redis, Azure, Azure Container Apps, Azure Database for MySQL, Docker, GitHub Actions, Clean Architecture, Vertical Slice Architecture, CQRS, Domain-Driven Design, REST API, xUnit, Integration Testing, Unit Testing, Jira, Confluence, Scrum
Hamza K.
Last position:
Academic Research Contributor in Health Sector (Volunteer) at n/a
- Acted as technical consultant to optimize multi-layer ensemble models combining ResNet, CNN-BiGRU-Attention, and XGBoost.
- Guided implementation of a Logistic Regression meta-learner to solve class imbalance problems, achieving 92.86% accuracy and 0.9644 AUC on PTB-XL and Chapman-Shaoxing datasets.
Uditha W.
Last position:
Data Science Tutor at University of Europe for Applied Sciences
- Taught Python, Pandas, data analysis, visualization and Power BI to 250+ students.
- Guided practical projects from data preparation and exploratory analysis through visualization and dashboard creation.
- Explained complex analytical concepts clearly to audiences with different levels of technical experience.
Artem K.
Last position:
Software Architect at VR Payments
- Worked on the development of cloud-based web platform for different financial solutions (Payment by invoice, EPI, Freenet)
- Made technical and architectural decisions, discussed with management team the direction of the platform
- Provided technical expertise, made software improvements
- Participated in meetings, reviewed tickets, wrote documentation
- Technologies used: C#, .NET, MS Azure Services, Azure SQL, CI/CD, Azure DevOps, Jira
André G.
Last position:
IT Consulting Project Management / Engineering Subproject Management at T-Systems (on assignment for government agencies)
- Projects for federal networks (NdB).
- CR management, EoL change requests, design and documentation according to ITSCM.
- Data center planning.
- Project management and engineering subproject management.
- Software development for virtual server environments according to BSI.
Vamsi K.
Last position:
Full Stack .NET Developer at Neusta GmbH
- Implemented and maintained logistics-domain applications using Angular, C#, ASP.NET, HTML5, CSS3, JavaScript, AJAX and Bootstrap
- Analyzed, designed, coded and deployed backend services and integrations using .NET, XML Web Services and RESTful APIs
- Developed automated SSIS packages and scheduled ETL jobs to support data workflows
- Built and maintained Python scripts for automation and prototyping; applied Cursor AI to build/refactor full-stack AI/ML model integrations
- Implemented unit and integration testing (NUnit) and conducted performance tuning for backend services
- Managed source control and CI/CD using GitHub, Azure CI/CD pipelines and TeamCity
Matthias K.
Last position:
Requirements Manager (freelance) at Bundesdruckerei GmbH
- Maintenance of the product backlog in collaboration with the PO
- Analysis and alignment of requirements
- Creation of process documentation and status reports
- Definition of workflows
- Preparation and moderation of agile meetings
Alberto G.
Last position:
C#/.Net Developer at Pean-IT GmbH
- Developed high-performance REST API interfaces in C# for Investitionsbank Berlin (IBB) using CI/CD (Git, Azure DevOps).
- Developed the "Pean Admin Center" using the Microsoft Graph API (backend: C#, frontend: Vuetify), implemented via CI/CD pipelines (Azure DevOps).
- Created low-code business applications and automated processes with Power Apps and Power Automate.
- Set up and designed the online shop for Pestalozzi-Fröbel-Haus (PFH) via Wix.
Mohamed G.
Last position:
Lead / Principal Cloud, AI & Security Architect at Freelancer / CC Conceptualise GmbH
Projects:
Project: RWE – Development of a company-wide Zero Trust cybersecurity architecture (CITADEL) Role: Senior Enterprise Cybersecurity Architect / Zero Trust Architect Company: RWE AG Description: Concept and implementation of the strategic CITADEL cybersecurity target architecture at RWE, based on the Zero Trust architecture principle and aligned with regulatory requirements such as NIS2, ISO 27001 and company-wide security governance policies. The goal was to build a measurable, auditable and scalable security architecture with a strong focus on Identity Governance, compliance transparency and operational manageability. Responsibilities & Achievements:
- Zero Trust architecture design: Developed a company-wide Zero Trust reference architecture (Identity, Device, Network, Application, Data) including trust zones, control points and enforcement mechanisms according to NIS2.
- Identity & Access Governance (IGA): Designed and introduced IGA governance structures including role models, recertification processes, segregation of duties (SoD) and lifecycle management for identities and access.
- Security governance & KPIs: Defined and implemented security KPIs and metrics to manage Zero Trust maturity, identity risks and compliance at the management level.
- Compliance & reporting: Built standardized compliance reports and dashboards to support internal audits, external assessments and regulatory evidence (e.g. NIS2).
- Architecture & stakeholder alignment: Worked closely with Enterprise Architecture, IT operations and business units to integrate the CITADEL architecture into existing IT and security landscapes.
- Strategic security consulting: Advised programs and projects on Zero Trust compliance, identity centricity and regulatory requirements in the energy and critical infrastructure (KRITIS) environment. Technologies & Methods: Zero Trust Architecture, NIS2, Identity Governance & Administration (IGA), IAM, RBAC, SoD, Entra ID, SailPoint, Zscaler, Terraform / IaC, Policy as Code, security KPIs, compliance reporting, NIST 2.0, ISO 27001, Enterprise Security Architecture, governance frameworks, risk & control management
Project: Scalable AI Workbench Platform on Microsoft Azure Role: Cloud Architect & Engineer Company: Siemens Energy Description: Design, development and operation of a secure, modular cloud infrastructure to support Data Science, Machine Learning and AI applications for various engineering teams at Siemens Energy. Responsibilities & Achievements:
- Cloud architecture: Designed and implemented an Infrastructure-as-Code solution (Terraform) for automated provisioning of Azure resources (Resource Groups, Storage Accounts, Cosmos DB, Application Insights, networking, PostgreSQL Flexible Server, Azure Container Apps, Azure Container Registry).
- Developer portal: Used Backstage with custom frontend and backend plugins (Node.js, TypeScript, React.js, PostgreSQL, Container Apps) to enable self-service and empower developers, data scientists and AI/ML engineers.
- Role-based access control: Implemented Azure RBAC to grant targeted access (e.g. Storage Blob Data Contributor, Reader) to engineering groups (e.g. AI Engineers) for relevant resources.
- Data platform engineering: Built and configured a multi-layered storage landscape (Raw, Curated, Vector data), including automated container creation and access control for advanced analytics and AI workloads.
- DevOps integration: Integrated with Azure DevOps for CI/CD pipelines to automate deployment, monitoring and compliance.
- Security & compliance: Implemented Private Endpoints, network policies and Managed Identities to ensure data protection and regulatory compliance.
- Collaboration: Worked closely with cross-functional teams to align the cloud infrastructure with business and technical requirements and drive digital transformation at Siemens Energy. Technologies: Azure, Terraform, Azure DevOps, Cosmos DB, Application Insights, Azure Storage, Private Endpoints, Azure Synapse, Azure Machine Learning, Azure Entra ID, RBAC, Backstage, Node.js, React.js, PostgreSQL, Python (automation), Git
Jan S.
Last position:
Fullstack Developer at Summify.News
- Developing an AI-enabled platform that summarizes YouTube channels into daily digests with article and podcast formats.
- Built scalable backend in Node.js integrating OpenAI Whisper for transcription and GPT for summarization.
- Implemented frontend in React with TypeScript, ensuring responsive design and accessibility.
- Set up automated deployment pipelines and CI/CD with Docker & GitHub Actions.
Muhammad A.
Last position:
Senior Software Engineer at Verbund Pflegehilfe
Own Azure-hosted ASP.NET Core microservices for chronic-care workflows, sustaining 99.8% uptime across 3,000+ patient interactions.
Shape HL7 FHIR-based patient, encounter, and observation profiles delivering a unified source of truth for clinical teams and integrations.
Implement SignalR telemetry, Application Insights alerting, and automated pipelines that surface deteriorating vitals in under three seconds.
Automated consultant outreach by orchestrating Twilio voice campaigns via n8n workflows and VAPI AI assistants, boosting successful client contacts by 55%.
Entlass Manager: Led the end-to-end build of the chronic-care coordination platform, standing up Azure-native microservices, clinical data flows, and patient-facing tooling from initial requirements through production release.
Power Dialer: Built the Twilio-driven consultancy auto-dialer and n8n workflows, raising client reachability to 85%.
Konstantin K.
Last position:
.NET Senior Full-stack Software Developer at DINA Elektronik GmbH
- Tech-Stack: C#, XAML, WPF, MongoDB, Azure Cloud, Azure DevOps, Resharper, Rider, OAuth2.0, REST, XUnit, NSubstitute, FluentAssertions
- Designed and implemented the IO architecture for improved data flow and efficiency.
- Developed a new desktop application from scratch, improving user experience and functionality.
- Led the implementation of daily stand-ups, software refinements, retrospectives, and project planning.
- Wrote unit and integration tests to ensure code quality and stability.
- Conducted code reviews and mentored junior developers.
- Played a key role in the company's digitalization efforts.
- Managed a team of 4 software developers, providing leadership and direction.
Paul G.
Last position:
Software Developer at Independent Software Developer
Discover over 15,000 top freelancers
Statistics of experts using ASP.NET
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 21 years)
Position duration
2.7 years (Germany: 2.2 years)
Positions per freelancer
12 (Germany: 15)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Healthcare, Manufacturing
Certification focus areas
Information Technology, Human Resources, Business Intelligence
Bachelor's degree or higher
91% (Germany: 83%)
Master's degree or higher
73% (Germany: 51%)
Certifications per freelancer
2 (Germany: 3)
Most common languages
German, English, Spanish
Speak two or more languages
92% (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 Berlin 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 Berlin 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%)
- Healthcare (69%)
- Manufacturing (54%)
- Education (46%)
- Banking and Finance (46%)
- Automotive (31%)
- Energy (31%)
- Transportation (31%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What ASP.NET is
ASP.NET is Microsoft’s web framework for building server-rendered websites, web APIs, real-time services and enterprise applications. It runs on modern .NET and supports C# as its main language, with strong integration across Microsoft identity, data and cloud services. Teams use it when reliability, maintainability and controlled access matter.
Applications and services
ASP.NET supports customer portals, internal business systems, e-commerce backends, booking services and high-volume APIs. Its project patterns suit both modular monoliths and distributed systems, while Blazor can bring .NET and C# into interactive web interfaces.
- Build REST and GraphQL APIs
- Deliver MVC and Razor Pages applications
- Add real-time features with SignalR
- Connect services to Microsoft Entra ID and Azure
Ecosystem and tooling
Strong ASP.NET specialists work across the wider .NET ecosystem. Their toolkit may include Entity Framework Core, LINQ, NuGet, Visual Studio, Docker, Azure DevOps and automated testing with xUnit or NUnit. They also understand SQL Server, PostgreSQL, Redis and message-based integration where the system requires them.
When companies need support
Companies bring in freelance ASP.NET expertise when a legacy application needs a safe modernization path, an API must support new products, or an internal team needs delivery capacity. In Berlin, specialists may contribute to fintech, mobility, commerce, media and public-sector systems, working remotely or alongside a local team.
- Move applications from .NET Framework to modern .NET
- Improve performance, security or deployment workflows
- Connect third-party systems and data sources
- Establish testing and release practices
What strong specialists deliver
A capable professional translates business rules into clear application boundaries and maintainable C# code. They design authentication and authorization carefully, validate inputs, handle failures consistently and protect sensitive data. They also explain trade-offs around hosting, caching, databases and service separation instead of applying patterns without context.
Evaluating project fit
Review comparable ASP.NET deliverables, not only framework names on a profile. Ask how the specialist approaches API versioning, dependency injection, observability, automated tests and production incidents. For Berlin-based collaboration, clarify overlap with the team’s working hours, communication language and expectations for remote or on-site sessions before work begins.
Frequently asked questions
Before you brief your next project: the most common questions about ASP.NET.
ASP.NET is used to build server-rendered websites, REST APIs, real-time applications and business systems. It is common in products that need Microsoft integration, structured security and long-term maintainability.
ASP.NET offers a strongly integrated .NET and C# ecosystem with mature tooling, built-in web features and close access to Azure services. Node.js and Java Spring can also support scalable web systems, so the right choice depends on existing skills, hosting, libraries and operational requirements.
A strong ASP.NET specialist usually works confidently with C#, SQL, Entity Framework Core, REST, authentication and automated testing. Experience with Docker, Azure, CI/CD, observability and frontend options such as React or Blazor can be valuable depending on the assignment.
The needed level depends on the system’s risk and scope. A small API may need focused framework knowledge, while a migration, security-sensitive platform or distributed service benefits from a professional who has handled architecture, releases and production support.
Yes. ASP.NET work is well suited to remote collaboration through Git, issue tracking, code review and shared delivery pipelines. Berlin teams should agree on working-hour overlap, documentation standards, communication language and any sessions that require on-site attendance.
Choose ASP.NET when the organization already relies on Microsoft identity, SQL Server, Azure or C#, or when a structured enterprise platform is important. Other frameworks may be a better fit when the team has stronger expertise elsewhere or the product depends on a different ecosystem.
Ask for examples of ASP.NET systems they have delivered and discuss the decisions behind them. Look for clear thinking about security, testing, API design, database access, performance and deployment, not just familiarity with framework features.
ASP.NET runs well in containers, managed cloud services and conventional server environments. With suitable design, it can support APIs, background processing, event-driven integrations and automated deployments across Azure or other infrastructure.
The average hourly rate of freelancers in Berlin, Germany who have used ASP.NET in their recent projects is 80 €, which corresponds to a daily rate of about 643 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used ASP.NET in their recent projects, 91% hold at least a Bachelor's degree and 73% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used ASP.NET in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.7 years.
The most common languages among freelancers in Berlin, Germany who have used ASP.NET in their recent projects are German (100%), English (92%), and Spanish (23%).
The most common industries among freelancers in Berlin, Germany who have used ASP.NET in their recent projects are Information Technology (100%), Healthcare (69%), and Manufacturing (54%).
The most common business areas among freelancers in Berlin, Germany who have used ASP.NET in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (62%).
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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Dortmund 
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FRATCH CEO
