Senior iOS Platform Engineer (SDKs, Bridges, APIs)

Grab; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Term Life Insurance

Medical Insurance

GrabFlex

Parental leave

Birthday leave

LASA volunteering leave

Grabber Assistance Programme

FlexWork

Job summary

Grab is seeking a Senior Full Stack Engineer focusing on iOS to design and evolve platform capabilities that streamline Partner Apps onboarding, configuration, review, release and operation. You’ll influence architecture decisions and mentor the team to deliver reliable self-service experiences.

You will report to the Software Engineering Manager II and collaborate with backend, QA, product, and partner teams to translate requirements into scalable mobile platform solutions.

Qualifications

• At least 5 years of professional iOS development experience with Swift and iOS SDK.
• Experience designing or maintaining mobile SDKs, frameworks, libraries used by multiple teams.
• Knowledge of iOS architecture, lifecycle, concurrency, networking and performance.
• Experience with WKWebView integrations, JavaScript bridges, RESTful APIs, and secure client-server communication.
• Understanding API design, versioning, testing, and release management.
• Hands-on XCTest, unit/integration testing, and CI/CD for iOS.
• Diagnose production issues using logs, metrics, traces, Instruments, and debugging techniques.
• Collaborate across mobile, backend, QA, product, and partner teams.
• Experience mentoring engineers and influencing technical direction.
• Experience with UIKit, SwiftUI, mobile security, observability, developer tooling, or large-scale ecosystems is a plus.

Responsibilities

• Design, build, and maintain iOS SDKs, entry points, JS bridges, and reusable APIs for Partner Apps.
• Improve SDK reliability, performance, security, observability, and backward compatibility.
• Define cross‑platform contracts to achieve iOS parity and consistent developer experiences.
• Collaborate with backend engineers on authentication, APIs, telemetry, and platform integrations.
• Create automated tests, release tools, sample apps, and docs to speed partner integration.
• Investigate production issues and strengthen monitoring and incident response.
• Work with product/design/QA/partners to translate requirements into scalable mobile solutions.
• Provide technical leadership via architecture/code reviews and mentoring.

Skills

iOS development

Swift

UIKit/SwiftUI

JavaScript bridges

RESTful APIs

XCTest

CI/CD

Architectural design

Debugging

Mentoring

Tools

WKWebView

iOS SDK

Git

Instruments

Observability tools

Job description

Grab is seeking a Senior Full Stack Engineer focusing on iOS to design and evolve platform capabilities that streamline Partner Apps onboarding, configuration, review, release and operation. You’ll influence architecture decisions and mentor the team to deliver reliable self-service experiences.

You will report to the Software Engineering Manager II and collaborate with backend, QA, product, and partner teams to translate requirements into scalable mobile platform solutions.