Mobile & Web Developer (iOS | Android | React)

Quantum infotech Solutions; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Quantum infotech Solutions is seeking a talented Mobile & Web Application Developer to design, develop, and maintain high-quality applications across iOS, Android, and Web platforms. You will work on scalable, performance-driven products while collaborating with cross-functional teams to deliver exceptional user experiences.

If you're passionate about building modern applications and enjoy working across multiple technologies, we'd love to hear from you.

Qualifications

• 6+ years of experience in mobile and web application development.
• Strong expertise in Swift, SwiftUI, Objective-C, and Java.
• Hands-on experience with ReactJS, TypeScript, JavaScript, HTML, and CSS.
• Experience integrating RESTful APIs.
• Knowledge of MySQL, SQLite, Firebase, and Realm.
• Experience with Xcode, Fastlane, Git, GitHub, Bitbucket, and SVN.
• Familiarity with XCTest, XCUITest, and Jest.
• Experience implementing CI/CD using Jenkins and GitHub Actions.
• Proven experience deploying applications to the Apple App Store and Google Play Store.

Responsibilities

• Design, develop, and maintain native iOS applications and web/mobile solutions.
• Integrate RESTful APIs and collaborate with backend teams.
• Build reusable UI components and ensure cross-browser compatibility.
• Write unit tests and optimize performance across platforms.
• Manage source control and CI/CD pipelines.

Skills

Swift

SwiftUI

Objective-C

Java

ReactJS

TypeScript

JavaScript

HTML

CSS

Tools

Xcode

Fastlane

Git

GitHub

Bitbucket

SVN

Jenkins

GitHub Actions

Jest

Job description

About the Role

We are looking for a talentedMobile & Web Application Developerto join our engineering team. In this role, you will design, develop, and maintain high-quality applications acrossiOS, Android, and Web platforms. You will work on scalable, performance-driven products while collaborating with cross-functional teams to deliver exceptional user experiences.

If you're passionate about building modern applications and enjoy working across multiple technologies, we'd love to hear from you.

Key Responsibilities

iOS Development

• Design, develop, and maintain native iOS applications usingSwift, SwiftUI, and Objective-C.
• Build intuitive, responsive user interfaces and integrate RESTful APIs.
• Perform debugging, testing, and performance optimization usingXcode, XCTest, and XCUITest.
• Manage App Store releases, versioning, and deployment usingFastlane.

Android Development

• Develop and maintain Android applications usingJava.
• Publish and maintain applications on the Google Play Store.
• Integrate Firebase services and manage local storage usingSQLiteorRealm.

Web Development

• Develop responsive web applications usingReactJS, TypeScript, JavaScript, HTML, and CSS.
• Build reusable UI components and ensure cross-browser compatibility.
• Write unit tests usingJestand optimize application performance.

Engineering & Collaboration

• Integrate REST APIs and collaborate with backend teams.
• Manage source code usingGit, GitHub, Bitbucket, or SVN.
• Build and maintain CI/CD pipelines usingJenkinsandGitHub Actions.
• Follow Agile methodologies, code review practices, and software development best practices.
• Ensure application accessibility, localization, security, and high performance.

Required Skills & Qualifications

• 6+ years of experience in mobile and web application development.
• Strong expertise inSwift, SwiftUI, Objective-C, and Java.
• Hands-on experience withReactJS, TypeScript, JavaScript, HTML, and CSS.
• Experience integrating RESTful APIs.
• Knowledge ofMySQL, SQLite, Firebase, and Realm.
• Experience withXcode, Fastlane, Git, GitHub, Bitbucket, and SVN.
• Familiarity withXCTest, XCUITest, and Jest.
• Experience implementing CI/CD usingJenkinsandGitHub Actions.
• Proven experience deploying applications to theApple App StoreandGoogle Play Store.
• Strong debugging, profiling, and performance optimization skills.

Preferred Qualifications

• Experience with Firebase Authentication, Cloud Messaging, and Analytics.
• Knowledge of software architecture patterns such asMVVM.
• Familiarity withTest-Driven Development (TDD)and Continuous Integration.
• Understanding of accessibility, localization, and internationalization.
• Experience working in Agile/Scrum environments.