Lead Software Engineer, Mobile (iOS)

Key skills

• LLMs
• Swift

Job description

About Grab and Our Workplace

Grab is Southeast Asia's leading superapp. From getting your favourite meals delivered to helping you manage your finances and getting around town hassle-free, we've got your back with everything. In Grab, purpose gives us joy and habits build excellence, while harnessing the power of Technology and AI to deliver the mission of driving Southeast Asia forward by economically empowering everyone, with heart, hunger, honour, and humility.

Lead the technical direction of the PAX iOS app, including architecture, modularisation, and coding principles that enable engineers and AI agents to extend the app safely.

Design and develop reliable, measurable AI primitives - such as context, tooling, guardrails, and evaluation - for mobile development at scale.

Improve adoption across feature teams through RFCs, migration plans, guidelines, and enablement, with accountability for sustainable outcomes.

Collaborate with design platform, mobile platform, and cross-functional stakeholders to align technical strategy and resolve complex business, legal, and product needs.

Strengthen engineering quality and through risk management, on-call and incident response, code and design reviews, mentorship, knowledge sharing, and continuous improvement.

7+ years of software engineering experience, including at least 5 years of iOS development, with expertise in Swift and Objective-C and experience working in large, long-lived codebases.

Strong command of AI fundamentals for software engineering is essential, including context engineering, tool use, and function calling. Agentic workflows, retrieval, evaluation, and common failure modes are also crucial. Additionally, hands-on experience building, deploying, measuring, and safeguarding LLM-powered tools or product capabilities is required.

Experience selecting, evolving, and guiding architectural approaches such as MVVM or VIPER, alongside a strong understanding of large-scale application operations, system internals, crash analytics, remote debugging, observability, and phased rollouts.

Experience creating detailed technical documentation, with the ability to explain system health, growth opportunities, updates, and resolutions clearly to customers and cross-functional partners.

Experience mentoring engineers and improving team processes, engineering standards, and ways of working.

We have your back with Term Life Insurance and comprehensive Medical Insurance.

With GrabFlex, create a benefits package that suits your needs and aspirations.

Celebrate moments that matter in life with loved ones through Parental and Birthday leave, and give back to your communities through Love-all-Serve-all (LASA) volunteering leave

We have a confidential Grabber Assistance Programme to guide and uplift you and your loved ones through life's challenges.

Balancing personal commitments and life's demands are made easier with our FlexWork arrangements such as differentiated hours

Apply on the official Grab careers page

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