Senior iOS Developer

apar technologies pte. ltd.; Shenton Way; On-site; SGD 90,000 - 120,000; Full time

Job summary

apar technologies pte. ltd. in Singapore is seeking an experienced iOS Engineer to design, develop and maintain native iOS applications using Swift, SwiftUI and UIKit. You will implement MVVM/Clean Architecture, integrate REST/GraphQL APIs and ensure secure, scalable mobile solutions.

The role emphasizes performance, memory management and testing with XCTest/XCUITest, plus CI/CD and collaboration with cross-functional teams to deliver high-quality apps in a fintech context.

Qualifications

• Bachelor's degree in Computer Science, IT, Software Engineering or related field.
• Minimum 5 years of iOS app development experience.
• Strong proficiency in Swift and iOS SDK.
• Hands-on experience with SwiftUI, UIKit and MVVM/Clean Architecture.
• Knowledge of Swift Concurrency and memory management best practices.
• Experience with REST APIs, JSON and networking libraries (URLSession/Alamofire).
• Familiarity with Core Data/SQLite and iOS security practices.

Responsibilities

• Design, develop and maintain native iOS apps using Swift, SwiftUI and UIKit.
• Apply MVVM and Clean Architecture for scalable codebases.
• Integrate secure REST/GraphQL APIs including auth, caching and error handling.
• Implement secure data storage with Keychain, biometric authentication and SSL pinning.
• Write unit and UI tests with XCTest and XCUITest.
• Support CI/CD processes and production troubleshooting.
• Optimize performance and memory management across the iOS lifecycle.
• Collaborate with cross-functional teams to deliver high-quality mobile applications.

Skills

Swift

iOS SDK

SwiftUI

UIKit

MVVM

Clean Architecture

Swift Concurrency

REST APIs

JSON

URLSession

Alamofire

XCTest

XCUITest

Git

CI/CD

Keychain

Biometric authentication

SSL pinning

Core Data

SQLite

ARC

memory management

performance optimization

Education

Bachelor's degree or equivalent in Computer Science/IT/Software Engineering

Tools

Combine

GraphQL

Fastlane

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