(Senior/Staff)Android Engineer, Payments Team (Card, POS), SG

Airwallex6 months ago

Location

SG - Singapore

Type

Full Time

Level

Senior

Role

Android Engineer

Posted

Aug 30, 2025

Full TimeSenior

The role

Summary

Airwallex is seeking a Senior Android Engineer to join their global Payments Team, focusing on developing POS applications and SDKs for seamless payment experiences. The role involves building enterprise-grade mobile solutions using modern Android technologies, working with cross-functional teams to power international payment methods for 200,000+ businesses worldwide.

What you'll do

Android Application Development: Design and implement enterprise-grade Android applications and libraries

POS Solutions Development: Build cutting-edge Point of Sale applications and SDKs enabling global payment acceptance

Cross-functional Collaboration: Work with internal business teams and product management to define requirements and develop technical specifications

Full-cycle Product Ownership: Serve as core contributor owning complete product development lifecycle from conception to deployment

Code Architecture and Optimization: Collaborate with architects to refactor code and design for optimal maintainability, extensibility, and reusability

Payment Integration: Develop solutions supporting diverse international and local payment methods for merchants worldwide

Quality Assurance: Ensure applications are secure, reliable, sustainable, and developer-friendly

Feature Development: Bring new features and different levels of integration experiences to payment solutions

Community Contribution: Actively contribute to Airwallex's engineering community and business growth initiatives

What we look for

Technical

Android Development Experience5+ years of production Android application development experience

Kotlin ProficiencyStrong proficiency in Kotlin programming language

Java Code ComprehensionAbility to read and understand existing Java codebases

Software Design PrinciplesStrong foundation in software design principles and design patterns for mobile development

Android Architecture ComponentsDeep knowledge of Android architecture components and Jetpack libraries

Modern Development ApproachesExperience with Compose, MVVM, Coroutines, Flow, and other modern Android development patterns

Code Quality StandardsExperience promoting robust and maintainable code with high test coverage

CI/CD Pipeline ManagementAbility to maintain automation pipelines for continuous integration and deployment

Education

Computer Science DegreeBachelor's or Master's degree in Computer Science or equivalent technical majors

Experience

Independent and Team WorkDemonstrated ability to work both independently and collaboratively within team environments

English ProficiencyFluent English communication skills for global team collaboration

Skills

Required skills

Kotlin ProgrammingStrong proficiency in Kotlin with 5+ years Android development experience

Android Architecture ComponentsDeep knowledge of modern Android architecture and Jetpack libraries

Software Design PatternsStrong foundation in design principles and patterns for mobile development

Modern Android DevelopmentExperience with Compose, MVVM, Coroutines, and Flow

Code Quality and TestingPromoting robust code with high test coverage and automation pipelines

Java Code UnderstandingAbility to read and maintain existing Java codebases

Nice to have

SDK DevelopmentExperience developing and maintaining Android SDK libraries or frameworks

Cross-platform TechnologiesFamiliarity with React Native or Flutter development

Payment Industry ExperiencePrevious working experience in the financial technology or payment processing industry

iOS Platform KnowledgeUnderstanding of both Android and iOS platforms for comprehensive mobile development

Compensation & benefits

Benefits

Global Team Collaboration

Work with over 2,000 innovative professionals across 26 global offices

Career Growth Opportunities

Accelerated learning and true ownership in a rapidly growing fintech unicorn

Impact-Driven Work

Contribute to solutions powering 200,000+ businesses worldwide including major brands

Innovation Culture

Work at the intersection of innovation and practicality with cutting-edge payment technologies

Professional Development

Opportunity to contribute to engineering community growth and business strategy

Equal Opportunity Employment

Inclusive workplace committed to diversity and equal opportunity for all candidates

Interview process

1
Application Review — Initial screening of resume and portfolio through careers.airwallex.com
2
Technical Phone Screen — Remote technical discussion covering Android development experience and problem-solving approach
3
Technical Deep Dive — In-depth technical interview focusing on Android architecture, Kotlin proficiency, and system design
4
Behavioral Interview — Assessment of cultural fit, collaboration skills, and alignment with Airwallex values
5
Final Interview Panel — Meeting with senior team members and stakeholders to discuss role expectations and career goals