Xamarin Expert
for cross-platform mobile apps, matched in minutes with vetted and available freelancersHire experts who build and maintain cross-platform iOS and Android apps with Xamarin, Xamarin.Forms, .NET, and native platform integrations. FRATCH matches you quickly and precisely with vetted, available freelancers whose skills fit your project.
Meet FRATCH Experts who have recently used Xamarin
Yusuf C.
Last position:
Senior Software Engineer at LeiKon GmbH
- Development of scalable backend applications with C#/.NET and Java
- Design and implementation of distributed microservice architectures
- Development and integration of REST APIs for industrial applications
- Development of modern web applications with React, Angular, and TypeScript
- Implementation of MQTT-based communication solutions
- Integration of industrial protocols such as OPC UA and Modbus TCP
- Development of batch, process control, and HMI components
- Containerization and deployment of applications with Docker
- Conducting code reviews and supporting architecture decisions
- Close collaboration with product owners, QA, and interdisciplinary teams
- Analysis of business requirements and implementation of technical solutions
- Further development of existing software architectures with a focus on maintainability and performance
Technologies: C#, .NET, ASP.NET Core, Java, C++, React, Angular, TypeScript, Vue.JS, MQTT, OPC UA, Modbus TCP, Docker, GitLab, MariaDB, MySQL, Linux
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#
Thomas H.
Last position:
Senior MLOps, DevOps Engineer at Trianel Energy
- Build and operate an end-to-end MLOps platform on Azure ML and Kubernetes (Kubeflow) for the automated deployment, monitoring, and scaling of forecasting models (including Temporal Fusion Transformer, Informer, Autoformer).
- Implement CI/CD pipelines in Azure DevOps for the full ML lifecycle – from resource provisioning (Terraform), data transformation (Hugging Face Datasets, Pandas, PyTorch, CUDA cluster) through training and evaluation to model registry and endpoint deployment.
- Integrate MLflow for experiment tracking, model versioning, performance monitoring, and automated registration in the Azure Model Registry.
- Develop and containerize PyTorch training jobs (Azure Notebook, Jupyter Notebooks) for price and time series forecasting (PFC models) with automatic rollout via Azure ML Endpoints and REST/gRPC interfaces, Docker containerization, secured with OAuth 2.0.
- Set up monitoring and alerting mechanisms (Prometheus, MLflow Metrics), log centralization, and cost monitoring.
- Automate infrastructure provisioning and model deployment using Terraform, Helm, and Azure CLI; connect to existing market data systems and event pipelines.
- Migrate existing workloads and databases (IONOS → Azure, MongoDB) with integration into central MLOps workflows and internal networks.
- Extend the platform with LLM-based tools (LangChain, LangServe) to integrate GPT-based analysis modules into existing Spring Boot services for market anomaly detection and automated reports.
- Analyze and architect a software solution to process large volumes of data efficiently (>3000 messages/sec.) (market data store).
- Spring Boot / Java 21 container development with RabbitMQ for distributing stock market data via MongoDB (Kubernetes) with fast storage of data in Redis RMaps, deduplication, forwarding messages to Read Model queues, and building Read Models for UI display in MongoDB.
- Integration of RESTHeart to create a REST API for MongoDB.
- Build an Angular frontend to simplify data queries and master data maintenance.
- Agentic coding with remote and local LLMs (Claude Sonnet, Ollama Qwen) and MCP servers.
- Develop Python scripts for transforming and cleaning incoming stock market data (Pandas, scikit-learn).
David S.
Last position:
Product Owner / Business Analyst at CODUCT Solutions GmbH
- Interim Product Manager for ainavio GmbH: developing AI powered E-Commerce product data annotation software with an international/cross-functional SCRUM team (agile, product discovery, user centered).
- Requirements Engineer at ZEISS: analysis and specification of requirements for process software within high-technology hardware production.
- Product Manager for PlanYou Business Process and Task Planner: transforming the product from an outdated on-premise solution to a modern, scalable cloud native SaaS application.
- Technologies: ChatGPT/OpenAI API, Azure DevOps, Confluence, Draw.io, Miro, Figma, Polarion, Scrum, JIRA
Gavrilo O.
Last position:
Head of Software Development at Davidsmeyer & Paul GmbH
- Strategic project development, realisation, and implementation with internal and/or external development team
- Multi stakeholder management
- Planning new projects, cost calculation, risk calculation
- AI project for the electrical components production
- Building management systems integrations (BACnet, Modbus, etc)
- Inhouse BACring system architecture and development (control system for fire protection and smoke extraction systems)
- Inhouse MES system architecture and development
- Project management
- Agile-SCRUM project development
- Solution architecture and processes analytics (UML)
- Business application development
- Jira project management
- Reporting and documentation
- Recruitment process for the IT staff
- Software architecture, project development, costs, risks
- Education IT staff (internal and external)
- Responsibility for 5 development/DevOps/QA teams
Manuel R.
Last position:
Cloud Architect & Lead Developer
- Responsible for the 5-head development team and Scrum + DevOps approach
- Designed and implemented the cloud architecture for the application landscape
- Lead development for the user management on Azure Cloud using .NET 8/C#
- Development for the user management frontend using React (TypeScript)
- Technologies: Azure AD, Functions, Storage, CosmosDB, Service Bus, AKS, Monitor, Pipelines, Key Vault, MSSQL, Bicep, App Service, Log Analytics, Application Insights, Cost Management
- Backend: .NET/C#; Frontend: Angular (TypeScript)
- Unit testing: NUnit, xUnit, Moq
- CI & CD: Azure DevOps, GitHub Actions, GitLab CI
- DevOps & IaC: Bicep, Terraform, Docker, Kubernetes
- Security & Compliance: ISO 27001, DevSecOps
- Software development approach: Scrum, SAFe, Kanban
Stefan K.
Last position:
Software Engineer C# .NET at Freelance Software Engineer
- Design of a software interface in a large-scale project for the defence sector. No further details can be provided due to the confidentiality of classified information.
- Design and development of a reporting application for the acceptance of coordinate measuring machines according to the ISO 10360 series of standards. Coordination and moderation of review meetings to clarify requirements in an international corporation.
- Development of a tool for backing up and restoring machine configurations for service operations on coordinate measuring machines.
- Consulting project to optimize and further develop an Access application for administrative tasks in an engineering office.
- Design and development of production software for parameterizing coordinate measuring machines. Co-design of interfaces and development of automation for generating configuration bundles for different machine configurations.
- Development of a service application for the geometric calibration of coordinate measuring machines based on gauge block measurements.
- Development of a maintenance app for updating and configuring water dispensers. Project support through the app launch, as well as training and project handover to a customer employee.
- Migration of a maintenance app for smart water filters, including finalization for the app launch and further development of the app to support multiple protocols.
Technologies: Git, Visual Studio Code, Confluence, Protobuf, Agile, C#, .NET, WPF, MVVM, GitHub Copilot, Visual Studio, MSTest, MigraDoc, Azure DevOps, Jira, OpenRPC, JSON, Microsoft Access, Entity Framework Core, Python, YAML, Build Pipelines, WinUI 3, XUnit, Atlassian Stack, Scrum
Ahmet C.
Last position:
Senior Android Developer at enbw
- Support in restructuring and designing the group's internal Android apps
- Defining essential modules and implementing accessible components
- Establishing agile approaches at an international level
- Technologies & Methods: Kotlin, Android, JUnit 5, Koin, Azure DevOps, Android Studio, Git, Jetpack Compose, Coil, Flow API, Ktor, Coroutines, TypeScript, Node.js
Tilmann S.
Last position:
Technical Expert, Software Architect at Rolls Royce Power Systems / MTU
- Created concepts and architecture for ECU diagnostics over CAN-Bus using UDS, PDX, ODX and safety paradigms
- Designed system deployment for EMS and documented using UML, Draw.io, MS Word, MS Visio and Confluence
- Developed process flows for development, planning, logistics, test & diagnostics in Scrum with Jira and MS Planner
- Communicated across multiple customer teams, conducted knowledge transfer
Michael B.
Last position:
Scrum Master, Project Manager at GP Solutions DMCC
- Participated in the Riyadh Public Transport (KAPT) project introducing public transportation in Riyadh, supporting multimodal journeys combining bus, metro, car on demand.
- Worked via Thiqah and partnered with Andersen to refactor the mobile MaaS application DARB into a new microservices architecture under SCRUM framework, successfully completing Phase 1.
- Facilitated a team of 40 developers across Android, iOS, Web, Java, DevOps, architecture, analysis, and QA.
- Moderated Scrum events and communicated with the client, proactively reporting on project deadlines, scope, and challenges.
- Coordinated cross-team efforts between Thiqah specialists and GPS development teams, managing Jira and Azure DevOps trackers.
- Supported and improved Scrum processes throughout the project.
- Due to Thiqah’s takeover by Elm, subsequent phases were handled entirely in Saudi Arabia with GPS providing IT consulting.
- Tools: Azure DevOps, Jira, Confluence, Draw.IO, ChatGPT
Benjamin S.
Last position:
Design and implementation of a new cloud service at Porsche AG
- Design of a new cloud service
- Requirements Engineering
- API Design (REST API, Kafka)
- Consulting on architecture, feasibility and effort estimation
- Implementation of a microservice architecture
- Implementation of a Spring Boot web service
- Development of REST APIs including business and persistence logic
- Kafka consumers and producers
- Various Excel upload/download scenarios
- Change Data Capture
- Cloud provisioning with IaC/Terraform
- Go-live with 30,000 users
- Operation, support and bug fixing for other services
Environment/tools: GitLab, JIRA, Confluence, IntelliJ, Spring Boot, Java, Docker, Terraform, AWS ECS, Postgres, Apache Kafka, SAP Datasphere, JUnit, Debezium, Apache POI, Hibernate, JPA, Testcontainers
Sascha J.
Last position:
Agile Coach & Partner at Agisolve GmbH – Pragmatic Agility® | Edler & Stiegler GmbH | CTN Consulting
- Create a product and service portfolio delivering a 360 degree approach to digital corporate sustainability covering KPI management, CSRD reporting and sustainable strategy
- Create vision and business case
- Onboard and align business partners, negotiate contracts
- Set up partner network as self-organized agile team
- Co-develop product and service portfolio
- Coordinate sales and marketing, go-to-market strategy and roadmap
Andreas S.
Last position:
Mobile and Web Portal Full-Stack Development (Freelance)
- Maintenance and further development of a web portal and a mobile app as a full-stack developer.
- Handling customer requests and bug fixes.
- Implementing REST APIs and database access with Java Spring.
- Maintaining and enhancing a web frontend with AngularJS.
- Maintaining and enhancing an iOS and Android mobile app with Qt/C++/QML, including updating the app in the respective stores.
- Technologies: Qt/C++/QML, AngularJS, Java Spring, MongoDB, OAuth.
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
Markus D.
Last position:
Senior Developer, Coach: Retail
- Developed an app for store management
- Technologies: C#/XAML, Xamarin.Forms, MvvmCross, NUnit, Xamarin.UITest, Entity Framework Core, ASP.NET Core Web API, Azure DevOps, Visual Studio App Center
Discover over 15,000 top freelancers
Statistics of experts using Xamarin
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
2.2 years
Positions per freelancer
11
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Healthcare
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
96%
Master's degree or higher
39%
Doctorate
13%
Certifications per freelancer
2
Most common languages
German, English, Russian
Speak two or more languages
97%
Based on our profile pool as of 26 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology 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 using Xamarin
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 26 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Xamarin 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 (93%)
- Manufacturing (60%)
- Healthcare (47%)
- Banking and Finance (40%)
- Transportation (40%)
- Retail (40%)
- Media and Entertainment (30%)
- Professional Services (30%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Cross-platform foundation
Xamarin is a Microsoft technology for creating native mobile applications with C# and .NET. It lets teams share business logic across iOS and Android while still accessing platform-specific APIs, user interface controls, permissions, and device features. Xamarin.Forms adds a shared UI layer for many application screens.
Apps and use cases
Xamarin appears in customer-facing and internal mobile products where consistent behavior across platforms matters.
- Consumer apps with authentication, profiles, and notifications
- Field service tools for inspections, scheduling, and offline work
- Retail apps with catalogs, payments, and customer accounts
- Enterprise apps connected to ERP, CRM, and identity systems
- Companion apps for connected devices and business workflows
Ecosystem and tooling
Strong Xamarin work combines C# and .NET with Visual Studio, NuGet packages, and platform SDKs for iOS and Android. Specialists may use Xamarin.Forms, Shell navigation, MVVM patterns, dependency injection, REST or GraphQL APIs, SQLite, push notifications, and secure storage. Build automation and mobile release tooling are also part of the delivery process.
When companies need support
Companies often bring in freelance expertise when a mobile product needs a new feature, a legacy Xamarin application needs maintenance, or an existing app requires a controlled migration path toward .NET MAUI. Specialist support is useful when native integrations, performance issues, app-store releases, or a difficult shared codebase are slowing the team down.
- Stabilize crashes, build failures, or deployment pipelines
- Improve startup time, navigation, and offline behavior
- Connect device capabilities such as cameras, biometrics, and location
What strong specialists deliver
A capable Xamarin professional understands where shared code helps and where native implementation is safer. They structure applications for testability, manage lifecycle differences between iOS and Android, and protect credentials and personal data. Their deliverables can include architecture decisions, reusable components, automated tests, release configuration, technical documentation, and a maintainable source codebase.
Choosing the right fit
Review experience with the relevant Xamarin or Xamarin.Forms version, application type, backend interfaces, and store-release process. Ask how the specialist approaches offline synchronization, platform-specific behavior, accessibility, and migration to .NET MAUI when appropriate. Remote collaboration works well when requirements, device testing, code review, and release ownership are clearly defined.
Frequently asked questions
The facts hiring teams ask for most often when it comes to Xamarin.
Xamarin is used to create mobile applications for iOS and Android with C# and .NET. Teams can share business logic and, with Xamarin.Forms, many interface components while retaining access to native device capabilities.
Xamarin is the earlier Microsoft cross-platform mobile framework, while .NET MAUI is its newer successor within modern .NET. The right choice depends on the existing codebase, support needs, migration plans, and the target platform capabilities.
Xamarin.Forms suits applications that benefit from shared layouts, navigation, and controls across iOS and Android. Native platform code may still be needed for advanced device features, detailed performance tuning, or highly distinct user experiences.
Xamarin work is stronger when paired with C#, .NET, REST APIs, authentication, mobile security, and native iOS or Android concepts. Useful additional experience includes MVVM, automated testing, SQLite, push notifications, CI/CD, and app-store release processes.
Xamarin projects need a specialist whose past work matches the product’s risks, not simply someone familiar with the framework. A maintenance task may need focused platform knowledge, while a new application calls for architecture, testing, release, and integration experience.
Xamarin projects can usually be delivered remotely when the team shares clear requirements, repositories, test devices, and release responsibilities. Regular reviews are important for mobile interface decisions, platform-specific defects, and app-store submissions.
Xamarin quality is visible in stable builds, clear separation between shared and native code, reliable lifecycle handling, and consistent behavior on real devices. Ask for examples of testing, offline handling, security decisions, performance improvements, and production releases.
Xamarin can remain practical for maintaining a live application when its dependencies, store requirements, and operating-system compatibility are understood. For a longer-term roadmap, ask the specialist to assess technical debt and whether a migration to .NET MAUI is justified.
The average hourly rate of freelancers who have used Xamarin 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 who have used Xamarin in their recent projects, 96% hold at least a Bachelor's degree, 39% hold at least a Master's degree, and 13% hold a doctorate.
On average, freelancers who have used Xamarin in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers who have used Xamarin in their recent projects are German (100%), English (97%), and Russian (33%).
The most common industries among freelancers who have used Xamarin in their recent projects are Information Technology (93%), Manufacturing (60%), and Healthcare (47%).
The most common business areas among freelancers who have used Xamarin in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (50%).
Main locations of FRATCH Experts, who have recently used Xamarin
Our freelancers and interim experts are at home all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city 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 In Austria our freelancers and interim experts support companies from Vienna to Graz — on-site where your project needs them, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Vienna Graz Across Switzerland our specialists are active in Zurich, Geneva, Basel and Bern — working on-site or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Zurich Geneva Basel Bern Countries:
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