Senior Mobile Engineer - Android & iOS Ownership

Rainbow Care Pte Ltd; Singapore; Hybrid; SGD 120,000 - 160,000; Full time

Benefits offered by this job

Real ownership of two production apps

Hybrid working arrangement

Hardware and AI tool access from day 1

Job summary

Rainbow Care Pte Ltd, a Singapore-based health-tech company, is developing BEEMS, a system that monitors sleep and breathing through a sensor-backed mobile app. You will own the Android and iOS apps end to end, shape features from requirements to store release, and design screens within an established design system.

Lead features with a strong test suite and a mock backend, collaborating with backend teams.

Qualifications

• 5+ years building native mobile apps with production releases on Android and iOS.
• Deep knowledge of Kotlin/Compose or Swift/SwiftUI, and able to be productive in the other.
• Strong understanding of state management and unidirectional data flow.
• Experience with release engineering, CI, and store consoles.
• Comfort reading OpenAPI contracts and using a design system.

Responsibilities

• Build and ship features on Android, iOS, and Web.
• Review mobile PRs to uphold architecture and code quality.
• Own the release process: signing, CI, beta distribution, Play/App Store submissions.
• Collaborate with backend on API contracts and integration.
• Maintain the mock backend and automated test coverage.
• Design new screens and flows within the design system using AI-assisted tools.
• Use AI coding tools as part of daily development with rigorous review.

Skills

Kotlin/Compose

Swift/SwiftUI

CI/CD

OpenAPI

UI design

AI coding tools

Written communication

Education

Degree in Computer Science

Tools

CI/CD tooling

Job description

Rainbow Care Pte Ltd, a Singapore-based health-tech company, is developing BEEMS, a system that monitors sleep and breathing through a sensor-backed mobile app. You will own the Android and iOS apps end to end, shape features from requirements to store release, and design screens within an established design system.

Lead features with a strong test suite and a mock backend, collaborating with backend teams.