Senior .NET Mobile Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior .NET Mobile Engineer in the United States.

This role offers the opportunity to build high-performance mobile applications used by millions of users while shaping the architecture and user experience of large-scale apps. You will work in a collaborative, agile environment with cross-functional teams, driving innovation across both .NET-based mobile projects and native iOS/Android platforms. The ideal candidate brings deep expertise in C# and .NET mobile frameworks, coupled with strong knowledge of native platform capabilities, performance optimization, and scalable architecture. You will influence design decisions, mentor peers, and contribute to a culture of technical excellence. This fully remote position provides flexibility while enabling high-impact contributions to cutting-edge mobile solutions.

• Accountabilities:
• Design, develop, and maintain mobile applications for iOS and Android using .NET (C#).
• Collaborate with product, design, and backend teams to deliver seamless mobile experiences.
• Integrate native SDKs, custom UI components, and platform-specific features, contributing to Swift, Kotlin, Objective-C, or Java code as needed.
• Lead architectural and platform-level decisions balancing cross-platform efficiency with native performance.
• Optimize application performance including startup time, responsiveness, and resource usage.
• Develop and maintain unit, integration, and automated UI tests to ensure high-quality releases.
• Evolve CI/CD pipelines for reliable mobile deployment and maintainability.
• Stay up to date with mobile and .NET ecosystem developments, recommending adoption where beneficial.
• Requirements:
• 5+ years of professional mobile development experience.
• Strong expertise in .NET mobile development with C#.
• Proven experience with native iOS (Swift, UIKit, Xcode) and Android (Kotlin, Jetpack, Android Studio) development.
• Experience integrating and maintaining native SDKs and platform-specific libraries.
• Knowledge of mobile architecture patterns such as MVVM, dependency injection, and async/await.
• Familiarity with REST, JSON, GraphQL APIs, and OAuth2 authentication.
• Solid understanding of mobile lifecycle management, platform guidelines (App Store/Play Store), and testing best practices.
• Experience working in agile teams, collaborating effectively with cross-functional stakeholders.
• Bonus skills: Firebase, in-app purchases, third-party login integrations, cross-platform frameworks (.NET MAUI, React Native, Flutter, Kotlin Multiplatform).
• Benefits:
• Fully remote role with flexibility in work location.
• Competitive salary and compensation package.
• Health, dental, and vision insurance.
• Paid time off and national holidays.
• Opportunities for professional development and career growth.
• Participation in collaborative, innovative projects impacting millions of users.

Why Apply Through Jobgether?

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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