Senior IOS Developer

hi5 elite pte. ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

hi5 Elite Pte. Ltd. is seeking a seasoned iOS professional with 4-6 years of hands-on mobile development experience to build secure native apps.

You will implement strong security controls, encryption, and threat-detection measures while collaborating with cross-functional teams. Proficiency in Swift/Objective-C, SwiftUI, and UIKit is required, with REST API integration and security-focused practices a must.

Qualifications

• Hands-on 4-6 years developing native iOS apps.
• Secure mobile app development and security best practices.
• Strong knowledge of iOS architectures (MVC, MVVM, Clean).
• Experience integrating RESTful APIs.
• Familiar with threat detection and malware protection.
• Experience with OAuth2/OpenID Connect or SAML.

Skills

iOS Development

Swift

Objective-C

SwiftUI

UIKit

Xcode

Android Studio

Kotlin/Java

MVC/MVVM

REST APIs

OAuth/OpenID

JWT

iOS Security

Threat Detection

Secure Coding

Encryption

Cross-functional

Debugging

Teamwork

Tools

Git

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.