Software Engineer, Business Accounts (Fintech)

Location: Sydney, Australia; hybrid work from the Sydney office on Monday, Thursday, and Friday

Company

Airwallex builds AI-native financial infrastructure for global payments and business financial operations, serving more than 675,000 businesses across a global network.

What you will do

• Build backend services connecting Cash, Yield, Lending, payments, card spend, and collections into a unified financial experience.
• Develop financial infrastructure including reconciliation controls, unit registries, investment ledgers, and integration rails.
• Deliver reliable financial workflows for moving funds, optimizing liquidity, and responding to account activity.
• Write testable code and contribute to observability, API design, and maintainable engineering practices.
• Collaborate with Product, Infrastructure, Design, and engineering teams from system design through production delivery.

Requirements

• Professional experience building and shipping software, ideally in backend or full-stack engineering.
• Experience with a backend programming language and interest in learning Kotlin.
• Understanding of distributed systems concepts including scalability, consistency, latency, and reliability.
• Experience writing automated tests and contributing to software quality.
• Familiarity with cloud technologies such as AWS or GCP, Docker, and Kubernetes.
• Experience with observability tools 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 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.

Culture & Benefits

• Work as part of a global team across multiple countries and time zones, with occasional flexibility in working hours.
• Make decisions with incomplete information, take ownership of outcomes, and simplify complex problems.
• Join a brand-new, early-stage Business Accounts team and shape the technical foundations of a core platform.
• Employment is full time with regular Sydney office attendance three days per week.

Hiring process

• Apply only through the official Airwallex careers site or official LinkedIn page.
• Official communication comes from an @airwallex.com email address; no payment, bank details, or sensitive identification numbers are requested.
• Unsolicited resumes from search firms or recruiters are not accepted.