Mobile Developer

The Senior Mobile Developer plays a critical role in designing, building, supporting, and enhancing AutoPayPlus mobile, web, and backend applications.

This position requires strong experience across mobile development and Microsoft-based backend systems. The ideal candidate will be able to contribute immediately to our existing environment without requiring significant ramp-up in C#, .NET, SQL Server, API development, production support, or mobile application development.

The Senior Mobile Developer will collaborate closely with Product, QA, and other stakeholders to deliver secure, scalable solutions that improve the member experience and support business outcomes in a fast-paced Agile environment.

What You’ll Do

• Develop and maintain mobile applications using Angular, Ionic, Capacitor, and/or Cordova
• Build and support responsive web applications for desktop and tablet experiences
• Design, develop, maintain, and integrate REST APIs using ASP.NET Web API and ASP.NET Core
• Develop and support backend services using C# and modern .NET technologies
• Maintain existing applications built with .NET Framework 4.x and modern .NET
• Work with Microsoft SQL Server and write efficient T-SQL
• Create and maintain stored procedures, views, and complex SQL queries
• Diagnose and optimize SQL performance and query execution
• Maintain web services and integrations with third-party APIs and enterprise systems
• Implement real-time functionality such as messaging, chat, alerts, and notifications
• Manage mobile application releases through the Apple App Store and Google Play
• Troubleshoot and support applications across development, QA, staging, and production environments
• Support IIS-hosted applications in a Microsoft enterprise environment
• Participate in production issue resolution and root-cause analysis
• Contribute to Git-based source control and CI/CD pipelines
• Collaborate with Product Managers, QA, developers, and stakeholders to deliver effective solutions
• Continuously improve application performance, architecture, scalability, security, and development practices

• At least five years of professional C# and .NET development experience
• Strong experience developing Angular applications for web and mobile use
• Hands-on experience with Ionic, Capacitor, and/or Cordova
• Experience developing and supporting applications for both iOS and Android
• Experience building REST APIs using ASP.NET Web API or ASP.NET Core
• Experience developing and integrating .NET-based APIs and backend services
• Strong experience with Microsoft SQL Server and T-SQL
• Experience creating or maintaining stored procedures, views, and complex SQL queries
• Experience troubleshooting and supporting production applications
• Experience implementing real-time features using technologies such as WebSockets, SignalR, or Firebase
• Experience implementing push notifications using APNs and Firebase Cloud Messaging
• Experience managing releases through the Apple App Store and Google Play
• Proficiency with Git, CI/CD pipelines, and Agile/Scrum development environments
• Strong understanding of mobile UX, responsive design, performance, and notification-driven experiences
• Strong analytical, problem-solving, communication, and collaboration skills

Strongly Preferred Qualifications

• Experience with both .NET Framework 4.x and modern .NET
• Experience maintaining web services
• Experience optimizing SQL performance and performing query tuning
• Experience integrating third-party APIs and enterprise systems
• Experience supporting IIS-hosted applications
• Experience in financial services, banking, payments, or other transaction-heavy systems
• Experience with Azure DevOps
• Experience supporting enterprise applications in a Microsoft environment
• Experience with mobile synchronization and offline data logic
• Exposure to EOS or Traction environments

• 401(k) with employer matching
• 100% company-paid health, dental, and vision insurance for employee coverage
• Life insurance and short- and long-term disability
• Generous paid time off, including vacation, holidays, and sick leave
• Casual dress code and team-oriented environment
• Daily snacks and weekly team breakfasts
• Company-sponsored events and annual celebrations
• Complimentary access to our financial wellness program

Are you looking to join a team that values integrity, collaboration, and meaningful work? At AutoPayPlus, we are passionate about helping people take control of their financial future - and we are looking for developers who want to build technology that makes a genuine impact.

AutoPayPlus is a growing fintech company dedicated to improving the financial lives of everyday consumers. Since 2003, we have served more than 250,000 members and processed over $5.65 billion in loan payments through long-standing partnerships nationwide.

Our mission is simple: help our members budget better, protect their credit, and become debt-free faster.

Why Join AutoPayPlus?

• Established, stable company with more than 20 years of success
• Strong growth trajectory with exciting future opportunities
• Opportunity to influence product innovation and mobile strategy directly
• Collaborative Agile development environment using Scrum and Azure DevOps
• A team that values ownership, problem-solving, and continuous improvement
• Opportunity to work on impactful fintech solutions used by thousands of members nationwide