Senior Android engineer - payments team Job at Airwallex (Singapore)

Senior Android Engineer - Payments Team (Card & POS)

As a Senior Mobile Engineer, you'll play a pivotal role in our Payment Team, dev...

Location

Singapore

Salary:

Not provided

Airwallex

Expiration Date

Until further notice

Requirements

BS / MS degree in Computer Science or equivalent majors
Strong proficiency with Kotlin, with ability to read and understand Java codebases, including 5+ years of Android development experience building production applications
Strong foundation in software design principles and design patterns for mobile development
Deep knowledge of Android architecture components, Jetpack libraries, and modern development approaches (Compose, MVVM, Coroutines, Flow, etc.)
Promote robust and maintainable code with high test coverage, and can maintain automation pipelines for CI/CD
Ability to work independently as well as with a team
Fluently in English

Job Responsibility

Responsible for the design & implementation of enterprise applications and libraries for Android
Work with internal business teams and product management to define requirements and develop technical specifications
Serve as core contributor owning full-cycle product development
Work with Architect and re-factor code and design for optimal maintainability, extensibility and reusability

Fulltime

Staff Engineer (Android)

The Staff Engineer (Android) is the senior technical authority for Android engin...

Location

United Kingdom

Salary:

Not provided

Admiral Group Plc

Expiration Date

Until further notice

Requirements

Deep expert-level knowledge of Android development, Kotlin, Android SDK, and Jetpack libraries
Proven experience designing and evolving large-scale, customer-facing mobile applications
Strong architectural expertise (Clean Architecture, modularisation, MVVM/MVI)
Advanced understanding of mobile performance, security, and reliability
Ability to influence senior stakeholders and make strategic technical decisions
Comfortable operating in ambiguity with minimal direction

Job Responsibility

Define and own the Android platform architecture aligned to Admiral’s long-term business and technology strategy
Lead the design of scalable, modular, secure Android solutions supporting customer acquisition, onboarding, policy management, and payments
Act as the final technical authority for Android-related architectural decisions
Identify and manage technical risk, debt, and dependencies across teams
Design and implement highly complex Android features with significant customer and business impact
Solve ambiguous, systemic problems (performance, reliability, scalability, platform evolution)
Lead investigations into major incidents, root causes, and long-term fixes
Balance short-term delivery with long-term platform health
Define Android engineering standards, best practices, and development guidelines
Ensure strong adoption of testing, CI/CD, observability, and performance monitoring

What we offer

up to £3,600 of free shares each year after one year of service
33 days holiday (including bank holidays) when joining, increasing up to a maximum of 38 days (including bank holidays)
option to buy or sell up to an additional five days of annual leave
Disability Confident Leader scheme
work-life balance support
flexible working
24-Hour Ecare
Cycle to Work Scheme
Simply Health
Private Health Cover

Fulltime

Senior Software Engineer - Android

Adyen is looking for a full-time Senior Android Engineer to help us conquer the ...

Location

Netherlands , Amsterdam

Salary:

Not provided

Adyen

Expiration Date

Until further notice

Requirements

A minimum of 5 years of experience writing code in Kotlin
A minimum of 8 years of experience building software for the Android platform
Experience in development of enterprise level SDKs
Expert level knowledge of Kotlin, Android SDK, Jetpack Compose, Gradle, Coroutines, Dependency Injection
Experience writing and maintaining a comprehensive suite of automated unit and integration tests
A high level of personal accountability and a blend of strong technical skills, creative problem-solving, and a collaborative spirit
Ability and desire to mentor and grow other engineers through code reviews, design reviews, and over-the-shoulder debugging
Excellent verbal and written communication skills in English

Job Responsibility

Help us conquer the world of mobile payments
Working in a new and motivated team with room to start new initiatives and take ownership
Collaborate with other engineers, product designers, and business stakeholders
Provide reliable and clearly understandable code
Identify and resolve issues over a full stack environment
Proactive in bringing great ideas to improve our solution
Investigate new technical possibilities, yet able to work within existing frameworks
Work at a fast pace while managing and prioritizing goals

Fulltime

Full Stack Developer

FULL STCK DEVELOPER! Permanent Position / Direct Hire!

Location

United States , Malvern, PA

Salary:

87485.00 - 87490.00 USD / Year

SAR Tech

Expiration Date

Until further notice

Requirements

Require a minimum of Bachelor’s Degree in Computer Science, Electrical, Electronics or related field
strong knowledge of Typescript, Javascript, Google AngularJS, Jenkins and Github
strong automation experience on mobile applications including tools like Appium, UI Automator, Selenium
Agile tools like Buganizer
SQL and DB query skills is a must
MS Access, MS office
Experience in Mobile payments domain, and understanding of how payments ecosystem works
Experience in Buganizer
Experience in building automation suites for both Android and iOS applications
Knowledge of tools like Android Studio, Android Debug Bridge, XCode

Job Responsibility

Translate design and technical requirements into software implementations
Involved in the creation of data mappings, ETL, process automation and data integration solutions using various tools
Perform unit and system testing using Junit, Cucumber for multiple components of the software application and troubleshoot any issues encountered
Collaborate with Business and Engineering Teams to implement new features and enhancements
Involved in the development of NGA (New Generation Applications) using Java, Spring, AWS cloud services
Work with databases including Oracle and Microsoft SQL using tools like SQL developer
Analyze the business requirements to design or update existing design for the application software components
Involved in working with the Agile development process which includes daily standups, story refining, sprint planning, and retrospectives
Perform a critical analysis of information consolidated from multiple sources, identify and resolve conflicts
Work with JIRA for bug tracking, Confluence for documentation, SVN, Bitbucket to ensure version control and Jenkins for build generation

Fulltime

Senior Kotlin Engineer

Adyen is looking for full-time Kotlin Engineers to help develop their in-person ...

Location

United States , Chicago

Salary:

154000.00 - 200000.00 USD / Year

Adyen

Expiration Date

Until further notice

Requirements

5+ years of cumulative development experience in Android/Kotlin
5+ years of experience in software design and development in Kotlin
Knowledge on databases (Postgresql, SQLite)
Able to communicate fluently in English

Job Responsibility

Work on solutions for payment terminals featuring capabilities such as accepting payments using credit cards and debit cards, Apple Pay or Google Pay on mobile phones or accepting payments through QR codes
Communication with the Adyen backend to achieve one platform solution
Integration with a variety of cash registers using state of the art standards
Develop main business logic in Kotlin for deployment on Android and Linux based payment terminals and backend
Test code using a variety of testing methods from unit testing to complete product testing via automated programmable robots
Propose improvements and new solutions for team and platform
Work on projects that bring innovation
Take ownership of features from design, implementation, testing and monitoring to ensure a sustainable and secure solution

Fulltime

Senior React Native Developer - Payments & Banking

The Senior React Native Developer will play a crucial role in designing and main...

Location

United States , Atlanta

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Minimum 5+ years of overall software development experience
Minimum 4+ years of hands-on React Native development experience
Strong proficiency in JavaScript (ES6+), TypeScript, React Native lifecycle, hooks, and state management (Redux, Context API, or similar)
Experience integrating mobile apps with RESTful APIs and microservices
Solid understanding of mobile architecture, performance optimization, and cross-platform development (iOS & Android)
Prior experience in the payments, banking, or financial services industry
Experience building or supporting transaction-based systems (card processing, digital payments, wallets, billing platforms)
Demonstrated experience working in PCI-DSS compliant environments
Strong understanding of secure coding practices for financial applications
Experience with Git and CI/CD pipelines

Job Responsibility

Design, develop, and maintain high-performance mobile applications using React Native for payment and banking platforms
Build secure, scalable, and reusable mobile components supporting card payments, digital wallets, billing, and transaction workflows
Integrate mobile applications with RESTful APIs and backend payment services
Implement secure authentication and authorization mechanisms (OAuth2, JWT, MFA, biometrics)
Ensure applications comply with PCI-DSS and financial industry security standards, including encryption and secure data handling
Optimize application performance for high-volume transaction systems
Collaborate with backend engineers, product owners, UX/UI designers, and QA teams in an Agile environment
Participate in code reviews, architecture discussions, sprint planning, and production support
Troubleshoot production issues in real-time transaction and financial systems
Work on-site in the Atlanta office 3 days per week to support collaboration and agile ceremonies

Fulltime

Senior Mobile Engineer (React Native)

I’m working with one of the fastest-growing consumer fintech platforms in the US...

Location

United States , New York

Salary:

180000.00 - 220000.00 USD / Year

Orbis Consultants

Expiration Date

Until further notice

Requirements

React Native
TypeScript / JavaScript
Mobile architecture and performance
Building polished consumer mobile experiences

Job Responsibility

Build and evolve the mobile application used by members to manage payments, rewards, and financial activity
Work closely with product, design, and backend teams to ship features used by a rapidly growing user base across iOS and Android

What we offer

significant equity
cash bonus

Fulltime

Senior Product Manager, Mobile

Canary Technologies is hiring a Senior Product Manager, Mobile to lead and scale...

Location

United States , New York; San Francisco

Salary:

160000.00 - 220000.00 USD / Year

Canary Technologies

Expiration Date

Until further notice

Requirements

6+ years in Product Management
3+ years working on native mobile apps and/or SDKs
Proven track record shipping high-quality iOS and/or Android features end-to-end with measurable impact
Experience defining and delivering developer SDKs or mobile frameworks with strong docs, samples, and semantic versioning
Familiarity with modern mobile architectures, tooling, and telemetry (e.g., Swift/SwiftUI, Kotlin/Jetpack, Gradle, Xcode, Play Console, TestFlight, Crashlytics)
Strong product sense for mobile UX including performance, accessibility, and offline-first design
Comfort working through mobile platform constraints such as background execution, push notifications, permissions, and app store policies
Ability to create clear API contracts, run RFCs with Engineering, and manage deprecation paths
Data fluency
can instrument event schemas and define KPIs for adoption, stability, and engagement

Job Responsibility

Steward and scale our mobile portfolio: native guest app, Staff App, and developer SDKs, with a clear multi-quarter roadmap
Evolve our SDKs to be even easier to adopt, well-documented, versioned, and observable for reliability
Lead execution on our guest and staff-facing mobile capabilities including authentication, messaging, payments, offline support, and notifications
Partner with Design and Eng to establish mobile UI patterns, accessibility standards, and performance budgets (startup time, bundle size, battery/CPU)
Set quality bars for mobile releases including telemetry, alerting, and crash-free thresholds
partner with QA to scale automated test coverage
Collaborate with Platform, Payments, and Integrations teams to unlock mobile-first experiences powered by Canary’s core services
Drive rollout plans, experimentation, and measurement to improve activation, engagement, retention, and app store ratings
Champion security, privacy, and compliance across mobile (PII handling, PCI concerns, secure storage, secrets, and transport)

What we offer

Canary Days: company wide days off each month
Self Improvement Club: budget for personal goals
Professional Development Chats: budget for cross functional professional development
Travel Reimbursement: stipend for visiting offices in New York, San Francisco or Dallas
Personal Travel Reimbursement: credit for stays at hotels Canary works with
Opportunity to earn a discretionary bonus and/or equity

Fulltime

Select Country

Senior Android engineer - payments team

Airwallex

Location:
Singapore , Singapore

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 21, 2026

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