Mobile & Backend Engineer (.NET MAUI / ASP.NET Core)

ShareCompanyAmersfoortOn-siteFull-time1 week ago

Atrea is looking for a Mobile & Backend Engineer to build and maintain a .NET MAUI app for iOS and Android and its ASP.NET Core backend. The role splits time roughly 50/50 between mobile and backend development, requiring 3+ years of C#/.NET experience and practical skills in MAUI/Xamarin.Forms, ASP.NET Core, and SQL Server.

What you'll do

Build, maintain and improve the .NET MAUI app for iOS and Android using C#, XAML and MVVM
Integrate the app with the REST API and real-time updates via SignalR, including offline caching
Implement platform features such as push notifications, maps and device capabilities
Improve stability and performance across devices, OS versions and network conditions
Manage mobile builds and releases to the App Store and Google Play, including code signing, provisioning and store submissions
Write and maintain automated mobile UI tests and help improve test coverage
Build and maintain features in the C# / ASP.NET Core Web API: endpoints, business logic and data access
Design and evolve SQL Server schemas, queries and stored procedures
Work on backend services that support the mobile app, such as push notifications and background processing
Implement authentication and authorization flows, including JWT, OAuth and multi-factor authentication
Design API contracts together with the mobile side, with a focus on backward compatibility
Write unit tests, take part in code reviews and help keep code quality high
Investigate and resolve issues that span the mobile app, API and database

What you need

Must-have

.NET MAUIXamarin.FormsC#XAMLMVVMASP.NET Core Web APISQL ServerT-SQL

Soft skills

OwnershipCollaborationCode review

Mobile DevelopmentBackend Development.NET MAUIASP.NET CoreSQL ServerIT ServicesFull-timeOn-siteMediorSenior

/What you'll do

/What you need

Must-have

Soft skills

What you'll do

What you need