Mobile Application Development

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

About your role:
At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Software Development Engineering - Sr Professional I, you will play a critical role in designing, developing, and maintaining high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs.

What you'll do:

• Design and develop native iOS applications using Swift and Android applications using Kotlin/Java.
• Build and maintain cross‑platform mobile applications where applicable (e.g., React Native, Flutter).
• Develop and integrate mobile applications with REST APIs and backend services.
• Drive delivery of mobile projects using API integrations, mobile SDKs, and secure 
• communication patterns.
• Implement and maintain unit tests and automated testing for mobile applications

• Develop and operate cloud‑connected mobile applications, integrating with backend services deployed on AWS or other cloud platforms.
• Apply secure mobile development practices and remediate issues identified by SCA tools and mobile security scans.
• Implement tokenization and secure credential handling for mobile payment, wallet, or authentication use cases.
• Integrate mobile apps with Developer Studio / API developer tooling, including token‑based authentication and API access management.
• Manage mobile data persistence using local databases (e.g., SQLite, Room, Core Data) and optimize data access patterns.
• Ensure compatibility, performance, and stability across multiple OS versions and device types

Experience you'll need to have:

• 8+ years of hands‑on experience developing mobile applications for iOS and Android 
• Proven experience building native iOS apps using Swift, iOS SDK, Xcode 
• Proven experience building native Android apps using Kotlin/Java, Android SDK, Android Studio 
• Experience integrating mobile apps with RESTful APIs and backend services 
• Working knowledge of cloud‑connected mobile applications, including integration with AWS or similar cloud platforms 
• Experience implementing unit tests and automated tests for mobile applications 
• Familiarity with secure mobile development practices, including secure data handling and dependency management 
• Experience with local mobile data storage using SQLite, Room, or Core Data 
• Ability to ensure performance, stability, and compatibility across multiple OS versions and device types

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or equivalent technical experience.

Thank you for considering employment with Fiserv.  Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. 

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.