Senior Mobile Developer

Fiserv

Senior Mobile Developer responsible for transforming mobile apps and developing native applications for a fintech leader. Collaborating in an Agile team environment with a focus on modern infrastructure and financial transactions.

Posted 7/2/2026full-timeAlpharetta • New Jersey, New York • 🇺🇸 United StatesSenior💰 $109,000 - $182,400 per yearWebsite

Tech Stack

Tools & technologies

AndroidiOSJavaScriptKotlinReactReact NativeSwift

About the role

Key responsibilities & impact

Responsible for developing cross-platform mobile applications for iOS and Android platforms using native technologies and modern frameworks.
Join a team responsible for transforming mobile apps from React Native and JavaScript to a more modern infrastructure.
Develop and maintain high-quality native mobile applications.
Design and implement robust, scalable mobile solutions with state management and architecture patterns.
Collaborate with cross-functional teams (UI/UX, Backend, QA) in an Agile environment.
Implement features for financial and payment processing applications.
Optimize app performance, memory management, battery efficiency, and implement localization for multi-language support.
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.

Requirements

What you’ll need

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

Benefits

Comp & perks

Annual incentive opportunity which may include cash bonus and equity awards

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Cross-Platform Mobile DevelopmentMobile App ArchitectureState ManagementRESTful APIsAsynchronous ProgrammingEncryption and Data ProtectionMobile Security StandardsPerformance OptimizationLocalization ImplementationCode Quality Assurance

Soft Skills

CollaborationProblem-SolvingCommunication