Airwallex

Staff Mobile Engineer, Spend Foundation

Airwallex
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5 months ago
Singapore, SingaporeStaff+

Responsibilities

  • Define and evolve shared native mobile architecture across iOS and Android, including navigation, state management, networking, offline strategies, error handling, and modularisation.
  • Own shared mobile libraries and frameworks for design systems, analytics, feature flags, experimentation, authentication, payments, and observability.
  • Own application authentication and authorization mechanisms and ensure shared components are stable, documented, adoptable, and extensible.
  • Drive mobile security improvements such as anti-tampering measures, certificate pinning, and security best practices.
  • Define and track platform metrics including crash-free sessions, ANRs, app start-up time, bundle size, and network performance.
  • Strengthen mobile observability through logging, metrics, tracing, and crash reporting, using data to guide priorities.
  • Own and improve mobile CI/CD pipelines, developer tooling, templates, documentation, and automation.
  • Own the end-to-end iOS and Android release process and lead the on-call rotation for critical platform-level incidents.
  • Define and enforce mobile engineering best practices for code quality and platform consistency.
  • Lead cross-squad technical initiatives from problem definition through rollout and adoption, aligning engineering, product, design, and backend/platform stakeholders.
  • Write clean, testable, well-structured code on iOS or Android while setting standards across both platforms.
  • Mentor senior and mid-level engineers through design reviews, pairing, and coaching, and contribute to hiring, onboarding, and community growth.

Requirements

  • 8–10+ years of experience building native mobile applications on iOS or Android, including at least 3+ years operating at a Senior or Staff level.
  • Deep expertise in Swift, SwiftUI, Combine, and async/await for iOS, or Kotlin, AndroidX, Jetpack, Coroutines, and Hilt for Android, with commercial knowledge of both platforms.
  • Proven experience leading cross-team technical initiatives and evolving mobile architectures, including modularisation, design systems, networking, or offline support.
  • Strong focus on code quality, reliability, testability, maintainability, automated testing, and meaningful use of coverage.
  • Experience owning and improving mobile CI/CD pipelines, including build optimisation, test stability, and release workflows.
  • Ability to influence without authority, align engineers, product managers, and designers, and make pragmatic technical trade-offs.
  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
  • Experience defining and driving a mobile platform roadmap.
  • Prior ownership of shared mobile libraries or frameworks used by multiple product teams at scale.
  • Hands-on experience with mobile design systems, component libraries, analytics, experimentation, feature flagging, and observability tooling such as Crashlytics or Sentry.
  • Experience in payments, fintech, or B2B SaaS domains, particularly where reliability, security, and regulatory requirements are important.
  • Experience mentoring senior engineers and contributing to hiring and mobile team growth.
  • Contributions to the mobile community or evidence of thought leadership in mobile architecture and foundations.

Benefits

  • Role can be based in Singapore or Melbourne.
  • Equal opportunity employer with accommodation available for applicants with disabilities or special needs.

Tech Stack

GitHub ActionsKotlinSwiftSwiftUI

Categories

Mobile
Airwallex

About Airwallex

1,001-5,000 employees

Airwallex builds a global payments and financial operations platform for businesses, offering payment acceptance, multi-currency accounts, FX and transfers, card issuing, treasury and spend management via APIs and web apps. It monetizes through transaction and foreign-exchange fees and related account services. Founded in Melbourne in 2015 and privately held, the company serves customers worldwide, with notable users including Brex, Canva and Qantas.

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