Airwallex

Staff Mobile Engineer, Spend Foundation

Airwallex
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4 months ago
Singapore, SingaporeStaff+
H1B Sponsor

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

Airwallex

About Airwallex

1,001-5,000 employees

Airwallex is a leading global payments and financial platform for modern businesses, offering trusted solutions to manage everything from business account, payments, treasury, and spend management to embedded finance. With our proprietary infrastructure, Airwallex takes the friction out of global payments and financial operations, empowering businesses of all sizes to unlock new opportunities and grow beyond borders. Proudly founded in Melbourne, Airwallex supports over 150,000 businesses globally and is trusted by brands such as Brex, Canva, Rippling, Navan, Qantas, SHEIN and many more. For more information, visit http://www.airwallex.com