Senior Software Engineer, iOS

PLT engineering GmbH; Singapore; On-site; SGD 110,000 - 180,000; Full time

Job summary

Grab’s Partner Apps Platform team seeks a Senior Full Stack Engineer to shape and build platform capabilities that simplify how Partner apps are onboarded, configured, reviewed and operated. You will work across the developer portal, webview javascript-bridge and backend services, and influence critical technical decisions.

You will be reporting to Software Engineering manager II. The role emphasizes mentoring, architecture reviews, and delivering reliable, scalable mobile platform solutions for

Qualifications

• Senior Full Stack Engineer role focusing on mobile platform capabilities.
• Involves iOS SDKs, native entry points, and cross-platform contracts.

Responsibilities

• Design, build, and maintain iOS SDK capabilities, native entry points, JavaScript bridges, and reusable APIs for Partner Apps.
• Improve SDK reliability, performance, security, observability, and backward compatibility across Grab app releases.
• Drive iOS capability parity by defining clear cross-platform contracts and consistent developer experiences.
• Partner with backend engineers on authentication, API, SDK scopes, transaction capabilities, telemetry, and other platform integrations.
• Build automated tests, release tooling, sample applications, and technical documentation that make partner integrations faster and safer.
• Investigate production issues, strengthen monitoring and failure handling, and contribute to incident response and post-incident improvements.
• Collaborate with product, design, QA, and partner teams to translate requirements into scalable mobile platform solutions.
• Provide technical leadership through architecture reviews, code reviews, mentoring, and continuous improvement of engineering standards.

Skills

iOS development

SDK design

JavaScript bridges

Backend services

APIs

Testing/QA/CI

Observability/Monitoring

Mentoring/leadership

Cross-functional collaboration

Job description

Get to Know the Team

The Partner Apps Platform team enables internal and external teams to create, onboard, operate and scale web apps across Grab. We own the developer tooling, self-service capabilities, developer portal, backend platform and reliability foundations that make PArtner Apps delivery safe, observable and efficient.

Get to Know the Role

As a Senior Full Stack Engineer, you will shape and build platform capabilities that simplify how Partner apps are onboarded, configured, reviewed, released and operated. You will work across the developer portal, webview javascript-bridge and backend services, lead technical decisions and help the team turn complex platform workflows into reliable self-service experiences.

You will be reporting to Software Engineering manager II

The Critical Tasks You Will Perform

• Design, build, and maintain iOS SDK capabilities, native entry points, JavaScript bridges, and reusable APIs for Partner Apps.
• Improve SDK reliability, performance, security, observability, and backward compatibility across Grab app releases.
• Drive iOS capability parity by defining clear cross-platform contracts and consistent developer experiences.
• Partner with backend engineers on authentication, API, SDK scopes, transaction capabilities, telemetry, and other platform integrations.
• Build automated tests, release tooling, sample applications, and technical documentation that make partner integrations faster and safer.
• Investigate production issues, strengthen monitoring and failure handling, and contribute to incident response and post-incident improvements.
• Collaborate with product, design, QA, and partner teams to translate requirements into scalable mobile platform solutions.
• Provide technical leadership through architecture reviews, code reviews, mentoring, and continuous improvement of engineering standards.