Senior iOS Engineer — SwiftUI, MVVM, Secure Apps

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

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.