Senior iOS Developer

APAR TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

APAR TECHNOLOGIES PTE. LTD. is seeking an experienced iOS Developer to design, build, and maintain native iOS applications.

You will work with Swift, SwiftUI and UIKit, applying MVVM and Clean Architecture to deliver scalable apps with secure REST/GraphQL integrations. You will implement security practices such as Keychain, biometric authentication and SSL pinning, write unit and UI tests with XCTest/XCUITest, and contribute to CI/CD and performance optimizations in collaboration with

Qualifications

• Bachelor's degree or equivalent in CS/IT/SE or related field.
• Minimum 5 years of iOS application development experience.
• Strong proficiency in Swift and iOS SDK.
• Hands-on experience with SwiftUI and UIKit.
• Experience with MVVM and Clean Architecture.
• Solid knowledge of Swift Concurrency (async/await, GCD, Actors).
• Experience with REST APIs, JSON, URLSession or Alamofire.
• Experience with XCTest and XCUITest.
• Knowledge of Git and CI/CD.
• Experience with Keychain, biometric authentication and SSL pinning.
• Experience with Core Data or SQLite.

Responsibilities

• Design, develop and maintain native iOS applications.
• Build scalable apps using MVVM and Clean Architecture.
• Develop secure integrations with REST/GraphQL APIs, incl. authentication and caching.
• Implement secure mobile practices (Keychain, biometrics, SSL pinning).
• Develop unit and UI tests using XCTest and XCUITest.
• Support CI/CD processes, production troubleshooting and performance optimization.
• Collaborate with cross-functional teams to deliver high-quality apps.
• Identify and resolve memory, performance and lifecycle issues.

Skills

Swift

iOS SDK

SwiftUI

UIKit

MVVM/Architecture

Swift Concurrency

REST/JSON

XCTest/XCUITest

Git

CI/CD

Keychain/Security

Core Data/SQLite

Education

Bachelor's degree or equivalent in CS/IT/SE

Tools

URLSession/Alamofire

XCTest/XCUITest

GraphQL

Job description

Key Responsibilities

• Design, develop and maintain native iOS applications using Swift, SwiftUI and UIKit.
• Build scalable applications using MVVM and Clean Architecture principles.
• Develop secure integrations with REST/GraphQL APIs, including authentication, caching and error handling.
• Implement secure mobile practices including Keychain, biometric authentication, SSL/TLS and secure token storage.
• Develop unit and UI tests using XCTest and XCUITest.
• Support CI/CD processes, production troubleshooting and application performance optimization.
• Work with cross-functional teams to deliver reliable and high-quality mobile applications.
• Identify and resolve application issues related to memory management, performance and the iOS application lifecycle.

Mandatory Skills

• Strong proficiency in Swift and iOS SDK.
• Hands-on experience with SwiftUI and UIKit.
• Experience with MVVM / Clean Architecture.
• Strong knowledge of Swift Concurrency, including async/await, GCD and Actors.
• Experience with REST APIs, JSON, URLSession or Alamofire.
• Experience with XCTest and XCUITest.
• Knowledge of Git and CI/CD.
• Experience with Keychain, biometric authentication and SSL pinning.
• Experience with Core Data / SQLite.
• Strong understanding of iOS lifecycle, ARC, memory management and performance optimization.

Preferred Skills

• Objective-C
• Combine
• Fastlane
• GraphQL
• Experience developing banking, financial services or fintech mobile applications.

Qualifications

• Bachelor's degree or equivalent qualification in Computer Science, Information Technology, Software Engineering or a related field.
• Minimum 5 years of relevant experience in iOS application development.

EA Number : 11C4879