Staff Java AWS Engineer — Lead Microservices & Security

CommBank; Sydney; Hybrid; AUD 180,000 - 260,000; Full time

Job summary

CommBank in Sydney is seeking a Staff Software Engineer to lead backend and integration services for a secure, scalable identity and compliance platform. You will design and build Java microservices and REST APIs on AWS and EKS, guiding engineers across Australia and India to modernise the platform with robust security and reliability.

You will apply full-cycle engineering practices, mentor teams, and collaborate with product and business stakeholders to translate complex needs into practical

Qualifications

• Strong Java software engineering and system design required.

Responsibilities

• Lead the technical design and delivery of backend and integration services.
• Design, build and operate Java microservices and REST APIs on AWS and Amazon EKS.
• Help shape event-driven solutions that integrate Customer Lifecycle Management capabilities with bank channels.
• Apply full-cycle engineering practices across design, build, challenge and run.
• Embed DevSecOps, automated testing, observability and reliable CI/CD practices.
• Provide technical direction, unblock delivery and help the squad make sound engineering decisions.
• Mentor software and senior software engineers, strengthening quality, consistency and engineering capability.
• Collaborate with product, business and technology stakeholders to translate complex needs into practical solutions.

Skills

Java

Microservices

REST APIs

AWS

Amazon EKS

CI/CD

GitHub Actions

DevSecOps

Automated testing

Code review

Observability

Leadership / mentoring

AI-assisted engineering tools

Kafka

Event-driven architecture

NoSQL databases

Financial services experience

Tools

AWS

Amazon EKS

CI/CD tooling

Job description

CommBank in Sydney is seeking a Staff Software Engineer to lead backend and integration services for a secure, scalable identity and compliance platform. You will design and build Java microservices and REST APIs on AWS and EKS, guiding engineers across Australia and India to modernise the platform with robust security and reliability.

You will apply full-cycle engineering practices, mentor teams, and collaborate with product and business stakeholders to translate complex needs into practical