Senior iOS Developer at Moniepoint Inc. (Formerly TeamApt Inc.)

We are seeking a Senior iOS Developer to join our payments engineering team. You will play a key role in designing and developing a robust, secure, and scalable iOS SDK that powers seamless in-app transactions across our partner ecosystem.You will work closely with product managers, backend engineers, and QA teams to deliver high-quality SDKs that are easy to integrate, developer-friendly, and compliant with the latest security standards (PCI DSS, EMV 3DS, etc.).

• Design, build, and maintain the iOS SDK used by merchants and partners to accept payments.
• Develop secure and scalable SDK modules for payment authorization, card/token management, and EMV 3DS authentication.
• Collaborate with backend/API engineers to integrate REST/GraphQL/gRPC APIs.
• Ensure optimal performance, quality, and responsiveness of the SDK across different iOS devices and versions.
• Implement unit tests, UI tests, and CI/CD pipelines to maintain high code quality.
• Drive architectural decisions for modular, testable, and reusable code.
• Stay current with Apple iOS SDK, Swift, Xcode, UIKit, and new payment-related APIs (Apple Pay, Passkeys, etc.).
• Work closely with security teams to address vulnerabilities and follow mobile security best practices.

• 5+ years of experience in iOS development using 
  Swift
   (Objective-C is a plus).
• Strong experience building and maintaining 
  SDKs or Frameworks
   for third-party integration.
• Solid understanding of 
  iOS architecture patterns
   – MVVM, VIPER, etc.
• Deep knowledge of 
  networking
  , 
  local storage
  , and 
  threading
   on iOS.
• Experience with integrating and handling 
  payments
  , 
  EMV
  , or 
  PCI-compliant flows
  .
• Hands-on experience with 
  Unit/UI Testing
  , mocking frameworks, and 
  XCTest
  .
• Familiarity with 
  App Store guidelines
  , Apple’s 
  human interface guidelines
  , and SDK distribution (CocoaPods/SPM/XCFrameworks).
• Good understanding of security principles (JWE/JWT, keychain access, biometric authentication, TLS pinning).

• Experience working on 
  Payment Gateways, Wallets, or Banking Apps
  .
• Exposure to 
  mobile CI/CD
   (Fastlane, Bitrise, GitHub Actions).
• Contributions to 
  open-source SDKs
   or payment libraries.