Senior Backend Engineer - Business Accounts Orchestration

Airwallex; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Airwallex in Sydney is seeking a Senior Software Engineer for the Business Accounts team to help build the intelligent orchestration layer linking Cash, Yield, Lending, and other product surfaces into a unified financial experience for businesses.

You'll own end-to-end delivery of core investment workflows, define engineering strategy, and work with Product, Infrastructure, Design, and external providers to deliver robust integration rails and observability.

Qualifications

• 5+ years of professional software engineering experience.
• A bachelor’s degree or above in computer science, software engineering, or a related field.
• Experience solving distributed systems challenges, including scalability, consistency, and latency.
• Strong backend engineering experience. Our current stack includes Kotlin, Vert.x, Temporal, and Kafka.
• Experience with automated testing and quality control processes.
• Experience with cloud technologies such as GCP or AWS, including Docker and Kubernetes.
• Experience integrating observability tooling such as Splunk, New Relic, Prometheus, or Grafana.

Responsibilities

• Shape the architecture and long-term technical vision of backend systems for the Yield squad.
• Deliver core investment workflows end to end, including client signup, investment, and redemption.
• Build financial infrastructure such as reconciliation controls, unit registries, and investment ledgers.
• Improve reliability and maintainability through automated testing, observability, API design, and robust integration rails.
• Partner with Product, Infrastructure, Design, and external investment providers to deliver seamless financial experiences for businesses.

Skills

Distributed systems

Backend engineering

Code testing

Cloud technologies

Education

Bachelor's degree in CS or related field

Tools

Kotlin

Vert.x

Temporal

Kafka

Docker

Kubernetes

GCP

AWS

Prometheus

Grafana

Splunk

New Relic

Job description

Airwallex in Sydney is seeking a Senior Software Engineer for the Business Accounts team to help build the intelligent orchestration layer linking Cash, Yield, Lending, and other product surfaces into a unified financial experience for businesses.

You'll own end-to-end delivery of core investment workflows, define engineering strategy, and work with Product, Infrastructure, Design, and external providers to deliver robust integration rails and observability.