Airwallex

Software Engineer II, Issuing Platform

Airwallex2 months ago
Location

SG - Singapore

Type

Full Time

Level

Mid

Role

Backend Engineer

Posted

Jan 14, 2026

Full TimeMid

The role

Summary

Airwallex is seeking a Software Engineer II for their Issuing Platform team in Singapore to build backend services for card issuing, transaction processing, and settlement at global scale. The role requires 3+ years of backend development experience with Java/Kotlin/Go/Python, cloud infrastructure knowledge (GCP/AWS), and distributed systems exposure.

What you'll do

Backend Service Development: Implement backend features and services that support issuing, transactions, and settlement workflows
Code Quality Assurance: Deliver well-tested, maintainable code that meets functional and non-functional requirements
API Development: Build and extend RESTful APIs under the guidance of senior engineers
Production System Operations: Contribute to running production systems, including monitoring, debugging, and incident response
Cross-functional Collaboration: Work effectively within a cross-functional, multi-region team
Code Review Participation: Participate in code reviews, design discussions, and sprint ceremonies
System Reliability Improvement: Help improve observability and system reliability over time
Technical Learning: Develop strong understanding of issuing domain, system architecture, and engineering best practices

What we look for

Technical

Backend DevelopmentExperience building backend services using Java, Kotlin, Go, or Python
Computer Science FundamentalsStrong foundations in computer science and object-oriented programming
Distributed SystemsExposure to distributed systems and event-driven architectures
API DevelopmentExperience working with RESTful APIs
Cloud PlatformsCloud experience with GCP (preferred) or AWS, including Docker and Kubernetes
Observability ToolsFamiliarity with observability tooling such as Splunk, Grafana, Prometheus, or similar

Education

Bachelor's DegreeBachelor degree or above in computer science or software engineering related majors

Experience

Professional Experience3+ years of professional software engineering experience
Fintech ExperiencePreferred: Experience in payments, fintech, or other high-scale backend systems
JVM Framework ExperiencePreferred: Experience with JVM-based frameworks such as Spring or Spring Boot

Skills

Required skills

JavaBackend service development using Java programming language
KotlinJVM-compatible programming for backend services
GoHigh-performance backend development
PythonBackend service development and scripting
Object-Oriented ProgrammingStrong foundations in OOP principles and design patterns
Distributed SystemsUnderstanding of distributed system architecture and patterns
RESTful APIsAPI design, development, and integration
DockerContainer technology for application deployment
KubernetesContainer orchestration and management
Cloud PlatformsGoogle Cloud Platform or Amazon Web Services
ObservabilityMonitoring and logging tools like Splunk, Grafana, Prometheus

Nice to have

Spring FrameworkEnterprise Java application development framework
Spring BootMicroservices development with Spring Boot
Fintech ExperiencePayment systems, financial services, or high-scale backend systems
Event-driven ArchitectureExperience with event-driven system design patterns
Google Cloud PlatformPreferred cloud platform for infrastructure and services

Compensation & benefits

Benefits

Global Scale Impact

Work on mission-critical platforms that underpin Airwallex's issuing products serving 200,000+ businesses worldwide

Technical Growth

Learn and develop expertise in issuing domain, system architecture, and engineering best practices

Mentorship

Work closely with and learn from senior engineers in a collaborative environment

Equal Opportunity

Diverse and inclusive workplace that values merit, qualifications, competence and talent

Disability Accommodation

Accommodation support for employees with disabilities or special needs


Interview process

  1. 1
    Application Review Initial screening of resume and application materials focusing on backend development experience and technical qualifications
  2. 2
    Technical Phone Screen Remote technical interview covering programming fundamentals, system design concepts, and experience with backend technologies
  3. 3
    Coding Assessment Hands-on coding evaluation focusing on backend development skills, API design, and problem-solving abilities
  4. 4
    System Design Interview Discussion of distributed systems, scalability, and architecture design relevant to payment processing systems
  5. 5
    Team Interview Meet with issuing platform team members to assess cultural fit, collaboration skills, and technical communication
  6. 6
    Final Interview Senior leadership interview focusing on career goals, motivation, and alignment with Airwallex's mission and values

Apply for this position

You'll be redirected to the company's application page


Airwallex

Airwallex

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Airwallex is a Singapore-based financial technology company specializing in cross-border payments and financial services for businesses.

SingaporeFounded 2015airwallex.com

Tech Stack

Languages
JavaKotlinGoPython
Frameworks
Spring BootSpring Framework
Databases
Distributed Databases
Tools
DockerKubernetesSplunkGrafanaPrometheus
Other
Google Cloud PlatformAmazon Web ServicesRESTful APIsEvent-driven Architecture
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