Senior Mobile Application Developer

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

Mobile Application Development

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 Will Do

• Follow established delivery and development processes within the program.
• Provide regular status updates and proactively raise risks, issues, and dependencies to the Tech Lead and management.
• Take ownership and accountability for delivering assigned tasks and deliverables within agreed timelines.
• Work hands-on, recommend solutions, and implement changes independently when needed.
• Collaborate across engineering layers (mobile, APIs, back end, cloud) to ensure end-to-end integration and quality.
• Contribute to a supportive team environment that helps remove political, bureaucratic, and resource barriers to execution.
• What You Will Need to Have
• 4 to 8 years of recent hands-on mobile development experience, with strong capability in Android and/or iOS.
• Android: Kotlin (required) and Java (good to have), experience with Android SDK.
• iOS: Swift and SwiftUI proficiency; experience with iOS frameworks such as Core Data and Core Animation.
• Strong understanding of the full mobile development life cycle, including development, testing, release, and maintenance.
• Experience integrating mobile apps with back-end services using REST and JSON.
• Experience with third-party libraries and API integrations.
• Knowledge of offline storage, threading/concurrency, and performance tuning.
• Familiarity with platform UI standards (Apple Human Interface Guidelines; Android best practices).
• Experience with push notifications (iOS and/or Android).
• Proficiency with source control and code versioning tools.
• Familiarity with CI/CD pipelines; iOS exposure to fastlane is a plus.
• Familiarity with unit testing; knowledge of integration testing and BDD is a plus.
• Working knowledge of Jira and Confluence.
• Awareness of cloud-native application concepts; knowledge of cloud platforms (preferably AWS) and IaaS/PaaS/SaaS fundamentals.
• Strong problem-solving and communication skills.

What Would Be Great to Have

• Experience integrating with third-party applications and services.
• Web SDK development experience (e.g., JavaScript/TypeScript-based SDKs) will be a plus.
• Agile delivery experience.
• Understanding of configuration management practices.
• Financial services experience, including Core Banking integration exposure.
• Scripting experience (Batch, Bash); Python experience is a plus.
• Experience in Web SDK development

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.

Experience Level

Senior Level