Senior IOS Developer

HI5 ELITE PTE. LTD.; Hong Kong; On-site; HKD 700,000 - 1,100,000; Full time

Job summary

HI5 ELITE PTE. LTD. in Hong Kong seeks an experienced security-focused mobile engineer for native iOS development.

You will implement secure mobile apps, integrate RESTful services, and apply SSDLC while collaborating with cross-functional teams. Candidates should have 4–6 years building iOS apps, strong Swift/ UIKit/ SwiftUI, Objective-C, Xcode, and awareness of OWASP Mobile Top 10. Experience with Android is a plus; familiarity with tokens, authentication, and threat detection tools is

Qualifications

• 4–6 years hands-on experience developing native iOS applications.
• Secure Mobile Application Development, security best practices.
• Secure coding principles, data encryption at rest/in transit, certificate pinning.
• Keychain and Secure Enclave on iOS, Biometric authentication (Face ID / Touch ID).
• MFA, OAuth 2.0, OpenID Connect, or SAML.

Skills

Swift/SwiftUI

Objective-C

UIKit

Xcode

iOS architecture

RESTful APIs

OAuth/OpenID/SAML

Mobile security

SSDLC

Git

Android/Kotlin/Java

Threat detection

Tools

Zimperium

Job description

Job Requirements:

• 4-6 years of hands-on experience developing native iOS applications.
• Secure Mobile Application Development, Mobile application security best practices
• Secure coding principles, Data encryption at rest and in transit, Certificate pinning
• Keychain and Secure Enclave on iOS, Biometric authentication (Face ID / Touch ID)
• Multi-Factor Authentication (MFA), OAuth 2.0, OpenID Connect, or SAML
• JSON Web Tokens (JWT), API security, OWASP Mobile Top 10
• Experience in Mobile/Internet banking application, Fraud Detection, Mobile Security – Maleware detection, threat detection.
• Experience in Zimperium, vKey product or any other mobile threat detection protect.
• Secure software development lifecycle (SSDLC), Vulnerability remediation and code scanning
• Strong proficiency in Swift, UIKit and/or SwiftUI, Objective-C, Xcode,
• Proficiency in Android Studio, Android (Kotlin/Java) is added advantage.
• Good understanding of iOS application architecture (MVC, MVVM, Clean Architecture).
• Experience integrating RESTful APIs and JSON-based web services.
• Experience using Git and collaborative source control workflows.
• Good understanding of software engineering principles and design patterns.
• Strong analytical, debugging, and problem-solving skills.
• Development experience in Android / Harmony OS Mobile Development is added advantage.
• Good communication skills to work effectively in cross-functional teams.