Lead Mobile Architect: .NET MAUI & Xamarin

Clario; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Clario, part of Thermo Fisher Scientific, seeks a Lead Mobile Application Engineer to shape the future of the Clario App across platforms. You’ll drive architecture, mentor engineers, and guide cross‑team collaboration in a global clinical trials context.

You’ll lead cross‑platform development using C#, .NET MAUI/Xamarin.Forms, and MVVM, owning modernization efforts, performance, and security while partnering with product and backend teams.

Qualifications

• Bachelor’s degree or equivalent practical experience in CS or related field.
• 7+ years of professional software development experience.
• Hands-on experience with .NET MAUI or Xamarin.Forms with migration expertise.
• Strong proficiency in C#, .NET, and XAML.
• Deep understanding of MVVM, clean architecture, and mobile design patterns.
• Experience delivering production-grade Android and iOS apps.
• Knowledge of mobile lifecycles, threading, and platform specifics.
• Experience integrating RESTful APIs and third-party services.
• Familiarity with CI/CD pipelines for mobile delivery.
• Strong leadership and mentoring abilities.

Responsibilities

• Define and own the cross-platform mobile architecture using .NET MAUI; ensure scalability and reusability.
• Lead development of core features in C#, .NET, and XAML with a hands-on approach.
• Migrate Xamarin.Forms apps to .NET MAUI and establish reusable components.
• Collaborate with UX/UI to deliver responsive, accessible mobile interfaces for Android and iOS.
• Oversee API integrations, third-party SDKs, and secure local data storage with offline sync.
• Enforce coding standards, perform reviews, and ensure security and performance.
• Own end-to-end mobile lifecycle, including CI/CD, build automation, signing, and store deployment.
• Mentor engineers and partner with product, backend, QA, and stakeholders.

Skills

C#

MVVM

XAML

.NET MAUI

Xamarin.Forms

Architecture leadership

Mobile development

RESTful APIs integration

Mentoring

CI/CD for mobile

Education

Bachelor’s degree in Computer Science or equivalent

Tools

Visual Studio

Job description

Clario, part of Thermo Fisher Scientific, seeks a Lead Mobile Application Engineer to shape the future of the Clario App across platforms. You’ll drive architecture, mentor engineers, and guide cross‑team collaboration in a global clinical trials context.

You’ll lead cross‑platform development using C#, .NET MAUI/Xamarin.Forms, and MVVM, owning modernization efforts, performance, and security while partnering with product and backend teams.