Software Development Engineer III - Xamarin and Maui

Why GMF Technology?

GM Financial is set to change the auto finance industry and is leading the path of embarking on tech modernization – we have a startup mindset, and preserve our small company culture, in a public company environment with financial stability and intense growth over a decade-plus history. We are data junkies and trust in data and insights to advance our business objectives.

We take our goal of zero emission, zero collision, zero congestion, and zero friction very seriously. We believe as an auto finance market leader we are in the driver's seat to lead us in the GM EV mission to change the world. We are building global platforms, in LATAM, Europe, China, U.S. and Canada – and we are looking to grow our high-performing team. GMF is comprised of over 10,000 team members globally. Join our fintech culture within a Blue-Chip company where we are changing the way we use technology to support our customers, dealers and business.

About the role: 

Are you a highly skilled and forward-thinking Software Engineer with a passion for shaping the future of automotive finance technology? GM Financial is seeking a talented Full Stack (Mobile/API) Software Engineer to join our innovative team. If you possess expertise in .NET, C#, and have a proven track record in developing mobile applications for both iOS and Android using Xamarin, we want to hear from you. In this pivotal role, you will lead the charge in converting our mobile application to .NET MAUI (Multi-platform App UI), driving us towards a cutting-edge, cross-platform solution. Additionally, utilizing cutting-edge testing tools such as Appium, Selenium, and SauceLabs and your understanding of Azure cloud capabilities will play a vital role in enhancing our cloud-based services and ensuring our digital ecosystem remains at the forefront of the industry. Join us in revolutionizing automotive finance technology and be part of a team that's driving progress.

What makes you a dream candidate?

To be a successful in this role you will need a wide range of technical skills and capabilities. Here's what makes you our dream candidate:

Testing and Debugging:

· Experience with unit testing and automated UI testing for mobile apps.

· Strong debugging and troubleshooting skills.

· Ability to optimize code and applications for performance, scalability, and responsiveness.

· Testing mobile devices to ensure their configuration, operation, and capabilities work efficiently.

Xamarin Development:

· Experience or familiarity in Xamarin Native development for both iOS and Android platforms.

· Proficient in C# and the Xamarin.Forms framework.

· Knowledge of platform-specific APIs and UI/UX design principles.

.NET Stack:

· Strong expertise in .NET development, including .NET 8.

· Familiarity with ASP.NET Core for backend integration.

· Understanding of asynchronous programming and multithreading.

.NET MAUI Migration:

· Ability to refactor and adapt existing code to .NET MAUI standards.

Mobile App Architecture:

· Proficiency in designing and implementing scalable and maintainable mobile app architectures.

· Familiarity with MVVMCross and other design patterns.

· Knowledge of dependency injection and inversion of control.

Mobile Platforms:

· Thorough knowledge of both iOS and Android platforms, including platform-specific features and guidelines.

· Ability to write and maintain code that works efficiently on both iOS and Android platforms using Xamarin.

· Understanding of platform-specific APIs and libraries for Xamarin.iOS and Xamarin.Android.

· Experience with mobile app deployment to app stores (Apple App Store, Google Play Store).

API Development Skills:

· Proficiency in designing and building RESTful APIs.

· Knowledge of API authentication and authorization mechanisms (e.g., OAuth, JWT).

· Experience with API documentation tools like Swagger.

UI/UX Design:

· Strong understanding of mobile user interface design principles.

· Experience creating responsive and visually appealing UIs.

· Familiarity with XAML for UI layout and styling.

Authentication and Security:

· Understanding of security best practices for mobile and API development, including data encryption, secure communication, and user authentication.

Performance Optimization:

· Ability to identify and address performance bottlenecks in mobile applications.

· Familiarity with tools and techniques for performance profiling.

Continuous Integration/Continuous Deployment (CI/CD):

· Experience with CI/CD pipelines for mobile app deployment.

· Knowledge of DevOps practices and tools.

Cross-Platform Development:

· Understanding of cross-platform development concepts and practices.

· Ability to write platform-specific code when necessary.

Problem Solving and Critical Thinking:

· Strong problem-solving skills and the ability to think critically.

· Adaptability to new technologies and frameworks.

Documentation and Communication:

· Clear and effective communication skills, both written and verbal.

· Ability to document code, processes, and project-related information.

Leadership and Mentorship:

· Capability to lead and mentor junior developers, providing guidance and sharing best practices.

· Stay up-to-date with the latest mobile development trends and technologies.

Experience:

• Bachelor of Computer Science or related Engineering field; and/or commensurate experience
• 4-6 years experience in software development required

What We Offer: Generous benefits package available on day one to include: 401K matching, bonding leave for new parents (12 weeks, 100% paid), tuition assistance, training, GM employee auto discount, community service pay and nine company holidays.
Our Culture: Our team members define and shape our culture — an environment that welcomes innovative ideas, fosters integrity, and creates a sense of community and belonging. Here we do more than work — we thrive.
Compensation: Competitive pay and bonus eligibility
Work Life Balance: Flexible hybrid work environment, 2-days a week in office

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