Airwallex

Staff Software Engineer, GTPN Platform

Airwallex
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7 days ago
Seoul, Korea, SouthStaff+

Responsibilities

  • Architect and evolve distributed payment infrastructure for local clearing, SWIFT, and proprietary treasury routing across 150+ countries.
  • Build idempotent, fault-tolerant systems for multi-currency reconciliation, asynchronous settlement, compensation logic, and failure recovery.
  • Own reliability and observability by defining SLAs, designing graceful degradation, leading incident response, and building real-time payment health monitoring.
  • Use payment telemetry to optimize routing, identify bottlenecks, and measure settlement speed and conversion.
  • Set technical direction across multiple teams through design reviews, RFCs, and architecture decisions.
  • Collaborate with engineering teams across the US, Singapore, Hong Kong, and Shanghai.

Requirements

  • 7+ years of experience building and operating production software, including distributed systems at scale.
  • Strong system architecture experience with fault tolerance, idempotency, asynchronous workflows, reconciliation, settlement, and failure recovery.
  • Experience owning reliability for critical systems, including SLAs, graceful degradation, observability, and incident response.
  • Strong programming or scripting skills in Java, Kotlin, C++, Python, or a similar language.
  • Bachelor’s degree in Computer Science, Software Engineering, or a related field.
  • Experience setting technical direction across multiple teams through design reviews, RFCs, and architecture decisions.
  • Strong analytical skills using operational and product data to guide technical decisions.
  • Preferred: experience in fintech, payments, or regulated financial domains.
  • Preferred: deep experience with JVM ecosystems, including Java or Kotlin with Spring or Spring Boot.
  • Preferred: experience leading teams responsible for high-availability, low-latency systems.

Benefits

  • Work from the Seoul office five days per week.
  • Collaborate with a distributed global engineering team across multiple countries and time zones.

Tech Stack

C++JavaKotlinPythonSpring BootSwift

Categories

Airwallex

About Airwallex

1,001-5,000 employees

Airwallex builds a global payments and financial operations platform for businesses, offering payment acceptance, multi-currency accounts, FX and transfers, card issuing, treasury and spend management via APIs and web apps. It monetizes through transaction and foreign-exchange fees and related account services. Founded in Melbourne in 2015 and privately held, the company serves customers worldwide, with notable users including Brex, Canva and Qantas.

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