iOS Developer

INFINITE COMPUTER SOLUTIONS PTE LTD; Singapore; On-site; SGD 150,000 - 210,000; Full time

Job summary

INFINITE COMPUTER SOLUTIONS PTE LTD is seeking an experienced iOS Developer to design, develop, and maintain enterprise-grade iOS apps. You will work with Swift, Objective-C, UIKit, and SwiftUI to implement scalable mobile solutions.

You will collaborate with cross-functional teams on features, optimize performance, and ensure security. The role requires strong coding practices, testing, and App Store deployment expertise.

Qualifications

• 5+ years of iOS application development experience.
• Strong proficiency in Swift and Objective-C.
• Hands-on UIKit, SwiftUI, Auto Layout, and Xcode skills.
• Strong understanding of iOS SDK, app lifecycle, and design patterns (MVC, MVVM, VIPER).
• Experience with REST APIs, JSON parsing, and networking (URLSession, Alamofire).
• Knowledge of Core Data, SQLite, Realm, and local storage.
• Familiarity with Git, Bitbucket, GitHub, and CI/CD pipelines.
• Experience with XCTest unit testing.
• Understanding of mobile security, OAuth, JWT, and Keychain.
• Experience in App Store deployment.

Responsibilities

• Design, develop, test, and maintain native iOS apps using Swift and Objective-C.
• Build reusable, scalable, and maintainable code.
• Collaborate with product, design, architecture, and backend teams to implement features.
• Integrate RESTful APIs and third-party SDKs; work with cloud services.
• Optimize performance, memory usage, and battery efficiency.
• Implement secure coding practices and mobile security standards.
• Write unit tests and UI tests; participate in code reviews.
• Troubleshoot production issues and defects.
• Publish and maintain apps on the Apple App Store.
• Stay updated with emerging iOS technologies and best practices.

Skills

Swift

Objective-C

UIKit

SwiftUI

Auto Layout

Xcode

iOS SDK

MVC

MVVM

VIPER

REST APIs

JSON parsing

URLSession

Alamofire

Core Data

SQLite

Realm

Git

GitHub

Bitbucket

CI/CD

XCTest

OAuth

JWT

Keychain

App Store

Education

Bachelor's degree in Computer Science

Tools

Cowork tools

Job description

Job Summary

We are seeking a highly skilled iOS Developer with 5+ years of experience in designing, developing, and maintaining enterprise-grade mobile applications for Apple devices. The ideal candidate should have strong expertise in Swift, Objective-C, iOS SDK, UIKit, SwiftUI, and mobile application architecture. The candidate will collaborate with cross-functional teams to deliver high-quality, scalable, and secure mobile solutions.

Key Responsibilities

• Design, develop, test, and maintain native iOS applications using Swift and Objective-C.
• Build reusable and maintainable code for scalable mobile solutions.
• Collaborate with product managers, designers, architects, and backend teams to define and implement new features.
• Integrate RESTful APIs, third-party SDKs, and cloud services.
• Optimize application performance, memory usage, and battery efficiency.
• Implement secure coding practices and mobile security standards.
• Write unit tests, UI tests, and participate in code reviews.
• Troubleshoot and resolve production issues and application defects.
• Publish and maintain applications on the Apple App Store.
• Stay updated with emerging iOS technologies and best practices.

Required Skills

• 5+ years of experience in iOS application development.
• Strong proficiency in Swift and Objective-C.
• Hands-on experience with UIKit, SwiftUI, Auto Layout, and Xcode.
• Strong understanding of iOS SDK, application lifecycle, and design patterns (MVC, MVVM, VIPER).
• Experience with REST APIs, JSON parsing, and network frameworks (URLSession, Alamofire).
• Knowledge of Core Data, SQLite, Realm, and local data storage mechanisms.
• Familiarity with Git, Bitbucket, GitHub, and CI/CD pipelines.
• Experience with unit testing frameworks such as XCTest.
• Understanding of mobile security, authentication mechanisms, OAuth, JWT, and Keychain.
• Experience in app deployment through Apple App Store.
• Strong debugging and performance tuning skills.

Preferred Skills

• Experience with SwiftUI and Combine framework.
• Knowledge of Firebase, Crashlytics, Analytics, and Push Notifications.
• Experience with Agile/Scrum methodologies.
• Exposure to cloud platforms such as AWS, Azure, or Google Cloud.
• Experience integrating payment gateways, maps, and location-based services.
• Knowledge of React Native or Flutter is an added advantage.

Education

• Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or related field.