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IOS Developer (Banking, SwiftUI, Mobile Application Security, Keychain, OAuth 2.0)

Islandwide, Singapore
ContractInformation Technology

Job Description

Responsibilities:

  • Develop and maintain native iOS applications using Swift, UIKit/SwiftUI and Xcode.
  • Implement secure coding, encryption, certificate pinning and iOS security features.
  • Integrate REST APIs, JSON services and secure authentication mechanisms.
  • Implement Keychain, Secure Enclave and biometric authentication.
  • Follow MVC/MVVM/Clean Architecture and Git-based development practices.
  • Support vulnerability remediation, fraud detection and mobile threat detection.

Requirements:

  • Minimum 6 years of strong hands-on experience in native iOS application development.
  • Bachelor’s degree in computer science, Information Technology, Engineering, or a related field.
  • Strong proficiency in Swift, UIKit/SwiftUI, Objective-C and Xcode.
  • Strong hands-on experience in mobile application security, OWASP Mobile Top 10, encryption and API security.
  • Strong experience with MFA, OAuth 2.0, OIDC, JWT and certificate pinning.
  • Strong experience with Keychain, Secure Enclave and biometric authentication.
  • Strong experience in banking, fraud detection, mobile threat detection, Zimperium, vKey or similar mobile security solutions is preferred.
  • Strong analytical, debugging and problem-solving skills.
  • Strong Knowledge of Android/Kotlin/Java or HarmonyOS is an added advantage.

About Evyonic Solutions Pte. Ltd.

First seen: September 23, 2026
Last updated: September 30, 2026