Senior Xamarin Developer

softeq Poland
Remote
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AI Summary

We're looking for a Senior Xamarin Developer to join our team and contribute to its continued growth. The role involves leading greenfield .NET MAUI projects, designing scalable architecture, and implementing new features. Key requirements include 5+ years of commercial mobile cross-platform development experience and deep knowledge of .NET 6/7/8/9, MAUI, XAML, and MVVM.

Key Highlights
Lead greenfield .NET MAUI projects
Design scalable architecture
Implement new features
Key Responsibilities
Lead greenfield .NET MAUI projects and Xamarin to MAUI migrations
Design scalable, modern cross-platform architecture from scratch
Implement new features and whole apps using the latest MAUI capabilities
Technical Skills Required
Xamarin .NET MAUI .NET 6/7/8/9 XAML MVVM C#
Benefits & Perks
100% remote work
B2B contract directly with Softeq
Employment or B2B contract, hybrid/remote work
Nice to Have
Experience with Blazor Hybrid inside MAUI
Native iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose) skills for platform-specific fine-tuning

Job Description


We’re looking for a Senior Xamarin Developer to join our team and contribute to its continued growth.


We are expecting to grow our team and begin new projects in the next 1-2 months. As such, we’re starting to accept resumes and process chosen candidates. Feel free to apply!


Locations:

  • Warsaw, Poland (B2B contract directly with Softeq, 100% remote work)
  • Vilnius, Lithuania (employment or B2B contract, hybrid/remote work)


Responsibilities:

  • Lead greenfield .NET MAUI projects and Xamarin to MAUI migrations;
  • Design scalable, modern cross-platform architecture from scratch;
  • Implement new features and whole apps using the latest MAUI capabilities;
  • Assign tasks, mentor junior and mid-level developers;
  • Perform code reviews with focus on MAUI best practices and performance;
  • Choose and implement cutting-edge technologies and approaches;
  • Estimate efforts and timelines for MAUI development and migrations;
  • Solve the toughest technical and performance problems;
  • Actively share knowledge about .NET MAUI within the mobile chapter.


Requirements:

  • 5+ years of commercial mobile cross-platform development with Xamarin and/or .NET MAUI;
  • 2+ years of active hands-on experience with .NET MAUI (real shipped apps or large-scale migrations from Xamarin → MAUI);
  • Deep knowledge and production experience with .NET 6/7/8/9, MAUI, XAML, MVVM (preferably CommunityToolkit.Mvvm or MauiReactor/Comet);
  • Proven track record of building new .NET MAUI applications from scratch and/or successful migration of large Xamarin codebases to MAUI;
  • Strong architecture skills: clean architecture, modular design, dependency injection, multi-targeting;
  • Excellent C# skills, deep understanding of async/await, memory management, performance optimization on mobile;
  • Experience leading mobile projects or acting as a tech lead;
  • Good team player, mentoring skills, ability to explain complex things simply;
  • Fluent written and spoken English.


Nice to have:

  • Experience with Blazor Hybrid inside MAUI;
  • Native iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose) skills for platform-specific fine-tuning;
  • Contributions to .NET MAUI GitHub repo, plugins, or active participation in MAUI community;
  • Experience with .NET Hot Reload, MAUI Graphics, MAUI Community Toolkit;
  • CI/CD for MAUI apps (App Center, GitHub Actions, Azure DevOps).


Softeq communicates only from @softeq.com email addresses. We never request payments or fees for any reason during hiring — including trainings or courses to be completed, equipment, onboarding, or background checks — and we will not ask for cryptocurrency or gift cards. If you receive a message from any other domain or requesting payment, do not respond and report it to abuse@softeq.com


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