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

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

Senior Android Developer

The Digital S/W Engineer Sr Analyst is a seasoned professional role. Applies in-...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

7+ years of professional experience in native mobile application development
5+ years of hands-on experience with Kotlin (strong preference for Kotlin-first development
Java familiarity a plus)
5+ years of experience building and shipping enterprise-grade native Android applications at scale
Deep understanding of the Android SDK, platform lifecycle, and Google ecosystem (Jetpack, Android Runtime, etc.)
Strong understanding of Android internals — memory management, process lifecycle, activity/fragment back stack, and app lifecycle at a low level
Experience with networking layers, Retrofit, OkHttp, and custom network stack implementations
Proficiency with data persistence strategies (Room, SQLite, DataStore, SharedPreferences, EncryptedSharedPreferences)
Solid understanding of security best practices at the OS level (certificate pinning, Android Keystore, data encryption, ProGuard/R8 obfuscation)
Familiarity with performance profiling and optimization using Android Studio Profiler (memory leaks, CPU usage, rendering bottlenecks, battery impact)

Job Responsibility

Accountable for executing and driving mid-size feature application design and development efforts to completion, serving as a development lead on medium-scale projects and supporting the execution of larger efforts
Proficient at operating with considerable autonomy and discretion as you will significantly influence the way an application is designed and developed by providing subject specific expertise and an advanced level of understanding of application programming principles
Sought after due to ability to analyze and troubleshoot coding, application performance and design challenges
Capable of research in root cause of development and performance concerns as well as the resolution of defects
Have a deep understanding of the technical requirements for the solutions being built
Understand engineering needs including those required to build, maintain, and operate the system through all phases of its life
Proficient in information modeling, data structures and algorithms
Understand maintenance characteristics, runtime properties and dependencies that exist in support of your system’s software. These dependencies will include but not limited to: hardware, platform, operating system, performance and load requirements, as well as contingencies with upstream and downstream systems
Demonstrate an advanced understanding of supported main system flows and possess a comprehensive understanding of how the system and others (i.e. architecture or infrastructure) collectively integrate to contribute towards achieving business objectives. Using this expertise, assist with the development of standards for coding, testing, debugging and implementation. This will ensure application design adheres to the overall architecture blueprint
Participate in design discussions as a Development Lead and as such will play the part of a key decision maker in driving design decisions. This is evidenced by your knowledge of the application code details and your experience with the technology and teams engaged

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 Mobile Engineer

Forage is building the modern payments stack that powers inclusive commerce. Our...

Location

United States , New York

Salary:

185000.00 - 200000.00 USD / Year

Helpcare AI

Expiration Date

Until further notice

Requirements

3+ years of mobile engineering experience building end-to-end user solutions
Experience in React Native, especially having built an app from scratch
Demonstrated experience leading technical initiatives within your team, mentoring engineers through design and delivery, contributing meaningfully to roadmap discussions, and independently driving complex projects from design through execution

Job Responsibility

Lead large multi-engineer projects for the Forage EBT Shopper app
Balance business priorities, user experience, and technical sustainability in trade offs when balancing new feature requests and necessary engineering improvements
Influence frontend development at Forage by sharing technical vision and providing guidance
Make teammates at Forage more effective through better frontend infrastructure and tooling
Mentor teammates and others around frontend best practices
Come into the New York office 2+ times a week

What we offer

100% of Medical, Dental and Vision premium coverage for yourself and dependents
Regular team lunches
A fun and caring environment that prioritizes transparency, growth, and ownership
A talented, high-achieving, and humble team with diverse backgrounds and viewpoints

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 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

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Senior Android engineer - payments team

Job Description

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