Software Engineer, Business Accounts

The role

You will build backend services that connect Cash, Yield, Lending, and other product surfaces into a unified financial experience. You will deliver core financial workflows including moving funds, optimising liquidity, and responding to activity across payments, card spend, and collections.

What you will do

• Build reliable financial infrastructure such as reconciliation controls, unit registries, investment ledgers, and integration rails.
• Write high-quality, testable code.
• Contribute to observability, API design, and maintainable engineering practices.
• Partner with Product, Infrastructure, Design, and other engineering teams.
• Contribute to the delivery of backend services and financial workflows from design through production.

Required qualifications

• Professional experience building and shipping software, ideally in a backend or full-stack engineering role.
• Experience with a backend programming language and an interest in learning Kotlin.
• Understanding of distributed systems concepts such as scalability, consistency, latency, and reliability.
• Experience writing automated tests and contributing to software quality.
• Familiarity with cloud technologies such as AWS or GCP, plus Docker and Kubernetes.
• Experience working with observability tooling such as Prometheus, Grafana, New Relic, or Splunk.
• Ability to collaborate effectively with Product, Infrastructure, Design, and engineering stakeholders.

Nice to have

• Experience with Kotlin, Vert.x, Temporal, or Kafka.
• Experience integrating with external service providers or building API-based systems.
• Experience in financial services, lending, payments, credit, or another regulated environment.
• Experience building SaaS products or platforms.

About the company

Airwallex is an AI-native financial operating system for a real-time, intelligent economy. It provides financial infrastructure for global commerce and is co-headquartered in San Francisco and Singapore.