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Software Engineer - iOS, Sr.

Fiserv

$128,000 - $216,000
Oct 6, 2025
Sunnyvale, CA, US
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Fiserv is looking to hire a Senior iOS Engineer to build secure, high-performance mobile experiences for the Clover Go platform, which enables small and medium-sized businesses to accept payments anywhere. The role involves developing and optimizing mobile applications that power real-world commerce.

Requirements

  • 5+ years of professional iOS development experience
  • Proficiency in Swift and UIKit and/or SwiftUI
  • Strong grasp of mobile architectural patterns such as MVC or MVVM
  • Experience maintaining and scaling production iOS applications
  • Hands-on experience working with RESTful APIs, BLE, and local data persistence
  • Familiarity with CI/CD pipelines and automated testing tools such as XCTest or XCUITest
  • Point-of-sale systems

Responsibilities

  • Design and implement core features for the Clover Go iOS app using Swift and SwiftUI
  • Build and optimize complex offline-first workflows and Bluetooth (BLE) connectivity for external hardware
  • Maintain and evolve payment processing features with an emphasis on performance and security
  • Participate in code reviews, testing strategy, and architectural discussions
  • Stay current with Apple development practices and propose improvements to our tooling and process
  • Mentor junior engineers and contribute to team-wide technical development
  • Collaborate with backend engineers, designers, and product managers to define and ship new functionality

Other

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).
  • 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.
  • If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact [AskHR.US@fiserv.com]
  • Fiserv does not accept resume submissions from agencies outside of existing agreements.