Senior iOS Engineer — Swift, SwiftUI & Pixel-Perfect UX

CSI Interfusion; Kuala Lumpur; On-site; MYR 120,000 - 210,000; Full time

Job summary

CSI Interfusion in Kuala Lumpur is seeking an experienced iOS Engineer to design, build and extend consumer-facing mobile apps with Swift, SwiftUI and UIKit. You will collaborate across Product, UX/UI and Backend teams to deliver high-quality releases and robust user experiences.

The role requires strong CS fundamentals, 3+ years of mobile development, hands-on experience with CI/CD, RESTful APIs, and a pixel-perfect UI mindset, plus ownership and teamwork.

Qualifications

• Degree in computer science, software engineering, information technology or related field.
• Strong knowledge of modern iOS development with Swift, SwiftUI and UIKit.
• Experience with CI/CD, RESTful APIs and Git.

Responsibilities

• Design, build and extend consumer and partner-facing products.
• Build reusable iOS components.
• Collaborate with QA on CI/CD and testing to ensure high-quality releases.
• Monitor live app performance and continuously improve code and UX.
• Engage in code reviews and knowledge sharing across teams (pair programming possible).
• Evaluate new mobile methodologies and technologies.

Skills

Swift

iOS Development

SwiftUI/UIKit

CI/CD

REST APIs

Git

Unit Testing

Performance

CS Fundamentals

Team Collaboration

Education

Bachelor's degree in Computer Science

Tools

Swift Package Manager

XCTest/XCUITest

Git

Job description

CSI Interfusion in Kuala Lumpur is seeking an experienced iOS Engineer to design, build and extend consumer-facing mobile apps with Swift, SwiftUI and UIKit. You will collaborate across Product, UX/UI and Backend teams to deliver high-quality releases and robust user experiences.

The role requires strong CS fundamentals, 3+ years of mobile development, hands-on experience with CI/CD, RESTful APIs, and a pixel-perfect UI mindset, plus ownership and teamwork.