> Markdown version of [/jobs/ext/1846906-senior-mobile-developer](https://www.wearedevelopers.com/jobs/ext/1846906-senior-mobile-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Mobile Developer - **Company:** Fiserv, Inc. - **Location:** Omaha, NE, United States - **Experience:** Expert - **Salary:** $109,000.0 - $182,400.0 - **Contract:** Temporary contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Android Software Development, IOS Applications, Apple IOS, Application Performance Management, App Store (IOS), Microsoft Azure, Mobile Application Development, Software Quality, Code Review, Continuous Integration, Software Design Patterns, Memory Management, Cryptographic Protocols, Design of User Interfaces, Push Technology, Mobile Application Software, PCI Data Security Standards, Scrum Methodology, Mobile Security, Web Application Frameworks, Google Cloud, Delivery Pipeline, Backend, Git, Kotlin, React Native, Tools for Reporting, Asynchronous Programming, Restful APIs, Multiplatform - **Published:** July 3, 2026 - **Apply:** https://dejobs.org/x/x/FF0AF931EF0E4F36AB9147B3E01FFCA6/job/ ## About the Role * 5+ years of professional mobile development experience. * 4+ years' experience developing Android applications with Kotlin and/or developing iOS applications with Swift, as well as React Native and JavaScript. * Strong understanding of mobile app architecture, state management, and design patterns. * Experience with RESTful APIs and asynchronous programming along with knowledge of encryption, data protection, and mobile security standards. * Demonstrated experience working in Agile/Scrum environments. * Knowledge of app deployment pipelines and CI/CD practices. * Experience with analytics tools, mobile KPIs, and push notification services and Git version control proficiency. * Bachelor's degree or a minimum of 6 years of relevant experience required. Experience that would be great to have * 2+ years' experience in React Native and JavaScript or cross-platform development experience. * Experience with localization frameworks and multi-language apps. * Experience with app store optimization (ASO) and cloud platforms (AWS, Azure, GCP). * Knowledge of advanced mobile testing frameworks. * Experience in fintech or financial applications and payment processing systems and encryption protocols., * You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered. ## Description You will be responsible for developing cross-platform mobile applications for iOS and Android platforms using native technologies and modern frameworks. These applications support upwards of 30 million active users and front-end billions of financial transactions a year and they help catalyze the effective movement of trillions of dollars of funds between people, merchants and service providers, and their financial institutions., * You will join a team responsible for transforming our mobile apps (both Android and IOS) from React Native and JavaScript to a more modern infrastructure, as well as maintaining and developing ongoing features in our current infrastructure. * Work with other engineers to develop and maintain high quality native mobile applications. * Develop and maintain native mobile applications using Swift and Kotlin. * Design and implement robust, scalable mobile solutions with state management and architecture patterns and collaborate with cross-functional teams (UI/UX, Backend, QA) in an Agile environment. * Implement features for financial and payment processing applications. * Build and optimize app performance, memory management, and battery efficiency and implement localization for multi-language support and encryption for sensitive data. * Manage app build, deployment, push notifications, and analytics and ensure code quality through comprehensive testing and code reviews. * Implement security best practices and PCI compliance standards and participate in code reviews, sprint planning, and architecture discussions., * This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Optimization of Mobile Development Strategies for Maximum Business Impact](https://www.wearedevelopers.com/videos/1182-optimization-of-mobile-development-strategies-for-maximum-business-impact) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Fintech Rebellion: How Developers Are Disrupting the Future of Commerce](https://www.wearedevelopers.com/videos/596-fintech-rebellion-how-developers-are-disrupting-the-future-of-commerce) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers)