Sr. Software Engineer - Mobile Payments Applications

About the role

U.S. Bank is seeking a Senior Software Engineer to join our Payments Technology team as a Mobile Development Subject Matter Expert. This position will work on payments applications, focusing on the analysis, design, testing, development, and maintenance of best-in-class software experiences. The candidate is a self-motivated individual who collaborates with teams across the organization and takes responsibility for software artifacts produced, adhering to U.S. Bank standards to ensure minimal impact to the customer experience. The role requires adeptness with the agile software development lifecycle and DevOps principles.

Responsibilities

• Design, develop, test, and maintain enterprise-grade Android applications using Kotlin, Jetpack Compose, and modern Android development frameworks.
• Build secure, scalable, and high-performing Android solutions that integrate with backend services, APIs, SDKs, and enterprise platforms.
• Implement and support authentication, authorization, and identity management capabilities including MFA, biometrics (fingerprint, face unlock), OAuth 2.0, OpenID Connect, device registration, and trust services.
• Collaborate with Product, UX, Security, Architecture, and Backend Engineering teams to translate business requirements into technical solutions.
• Develop and maintain reusable Android SDKs, shared libraries, and platform components to improve consistency, scalability, and developer productivity.
• Ensure compliance with Android security best practices, including OWASP Mobile Top 10, encryption, certificate pinning, secure storage, and secure coding standards.
• Participate in code reviews, technical design discussions, Agile ceremonies, and CI/CD-driven release processes to deliver high-quality software.
• Troubleshoot complex production issues, perform root cause analysis, support vulnerability remediation efforts, and provide on-call support for critical applications.

Requirements

• Bachelor’s degree, or equivalent work experience.
• Five to six years of relevant Android development experience.

Skills

• Strong experience developing native Android applications using Kotlin, Java, Jetpack Compose, Android SDK, and Android Studio.
• Hands-on experience building and supporting enterprise Android applications deployed through the Google Play Store and enterprise MDM distribution.
• Experience with Android Architecture Components (ViewModel, LiveData, Room, Navigation, WorkManager) and modern app architecture patterns (MVVM, MVI, Clean Architecture).
• Expertise in RESTful APIs, JSON, mobile-to-backend integrations, and backend-driven application architectures.
• Experience implementing Android security solutions, including MFA, biometrics, OAuth 2.0/OpenID Connect, token activation, device registration, encryption, and secure storage.
• Knowledge of Identity and Access Management (IAM) platforms such as Transmit Security, Okta, Ping Identity, ForgeRock, or similar technologies.
• Experience with dependency injection frameworks (Hilt, Dagger), coroutines, Flow, and reactive programming patterns.
• Experience supporting penetration testing remediation, vulnerability management, security compliance initiatives, and secure software delivery practices.
• Proficiency with Git, GitLab, CI/CD pipelines, Gradle build system, automated testing (Espresso, JUnit, Mockito), release management, and Agile/Scrum development methodologies.
• Experience supporting high-scale production applications in Banking, Financial Services, Payments, or FinTech environments; exposure to Kotlin Multiplatform (KMP) and Android tablet development is a plus.

Preferred Skills/Experience

• 5+ years of experience in Android application development.
• Strong proficiency in Kotlin, Java, Jetpack Compose, Android SDK, and Android Studio.
• Experience with Android Architecture Components (ViewModel, LiveData, Room, Navigation, WorkManager).
• Experience with coroutines, Flow, and reactive programming.
• Experience building and maintaining enterprise Android applications published to the Google Play Store and enterprise MDM distribution channels.
• Experience building backend-driven Android applications and SDK-based integrations.
• Expertise in RESTful APIs, JSON, and mobile-to-backend communication patterns.
• Experience implementing authentication and security solutions including Multi-Factor Authentication (MFA), biometrics (Fingerprint, Face Unlock via BiometricPrompt API), OAuth 2.0 / OpenID Connect, mobile token registration and activation, and device registration and trust.
• Experience with Identity and Access Management integrations such as Transmit Security, Okta, Ping Identity, ForgeRock, or similar platforms.
• Strong understanding of mobile application security best practices including OWASP Mobile Top 10, secure storage, certificate pinning, encryption, and secure coding standards.
• Experience supporting penetration testing remediation, vulnerability management, and security compliance initiatives.
• Experience developing and consuming Android SDKs, shared libraries, and reusable platform components.
• Experience with Gradle build system, build variants, product flavors, and modularized project architecture.
• Strong troubleshooting and root cause analysis skills across Android applications, APIs, and backend services.
• Experience supporting high-scale, production-grade applications in a regulated environment.
• Experience with Git, GitLab, CI/CD pipelines, automated testing, and release management.
• Experience working in Agile/Scrum environments and participating in code reviews and technical design discussions.
• Experience supporting production incidents, defect triage, and on-call support activities.
• Strong collaboration skills with Product, UX, Security, Architecture, and Backend Engineering teams.
• Banking, Financial Services, Payments, or FinTech experience preferred.
• Experience with Kotlin Multiplatform (KMP) is a plus.
• Experience building and supporting Android tablet applications is a plus.

Schedule

This role requires working from a U.S. Bank location three (3) or more days per week.

Benefits

• Healthcare (medical, dental, vision).
• Basic term and optional term life insurance.
• Short-term and long-term disability.
• Pregnancy disability and parental leave.
• 401(k) and employer-funded retirement plan.
• Paid vacation (from two to five weeks depending on salary grade and tenure).
• Up to 11 paid holiday opportunities.
• Adoption assistance.
• Sick and Safe Leave accruals of one hour for every 30 worked, up to 80 hours per calendar year unless otherwise provided by law.