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

EVYONIC SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

EVYONIC SOLUTIONS PTE. LTD. is seeking a senior iOS engineer to develop and secure native iOS apps using Swift, UIKit/SwiftUI, and Xcode. You will implement secure coding, encryption, certificate pinning and iOS security features.

Responsibilities include integrating REST APIs, secure authentication, Keychain, Secure Enclave and biometric authentication, following MVVM/Clean Architecture and Git workflows, and contributing to vulnerability remediation and mobile threat detection.

Qualifications

• 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.

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.

Skills

Swift

UIKit/SwiftUI

Xcode

Security

MFA/OAuth2

Keychain/Secure Enclave

Biometrics

REST APIs

MVVM/Architecture

Threat detection

Education

Bachelors in CS/IT/Eng

Tools

Zimperium

vKey

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.