Staff Software Engineer

CommBank; Sydney; On-site; AUD 180,000 - 260,000; Full time

Job summary

CommBank is seeking a Staff Software Engineer for Payments Technology in Sydney/Melbourne. You will lead end-to-end design and delivery of secure, scalable payment platforms and APIs. The role focuses on cloud-native, event-driven architectures and AI-enabled engineering practices to support Australia’s largest bank.

You’ll mentor engineers, shape technical direction and collaborate with Product, Security and Operations to ensure reliable customer experiences at scale.

Qualifications

• Experienced software engineer with a track record delivering complex systems.
• Deep expertise across modern backend stacks, cloud-native engineering and distributed architectures.
• Ability to learn quickly and influence engineering direction across multiple teams.

Responsibilities

• Provide technical leadership across teams, influencing engineering direction, architecture and standards.
• Design, build and evolve secure, scalable and resilient software platforms and distributed systems.
• Lead architecture decisions and modernise platforms using cloud-native and event-driven approaches.
• Champion engineering excellence across software quality, testing, observability, security, resilience and operational excellence.
• Foster a strong DevSecOps culture by taking ownership from design through to production operations and continuous improvement.
• Mentor engineers, grow technical capability and promote AI-enabled engineering practices.

Skills

Java / Spring Boot

Node.js

TypeScript

AWS

Kubernetes

Kafka

CI/CD

DevSecOps

Mentoring

Architectural leadership

Job description

Staff Software Engineer – Payments Technology

Sydney or Melbourne location

• Shape the technical direction of secure, scalable payment platforms at CommBank.
• Solve complex engineering challenges that positively impact millions of customers.
• Work with modern cloud, API and AI-enabled engineering practices to help shape the future of Payments.

Do Work That Matters

Payments is one of the largest and most critical technology domains at CommBank. Every day, our platforms move billions of dollars securely and reliably for millions of customers across Australia and around the world.

As a Staff Software Engineer, you’ll provide technical leadership, influence engineering strategy across teams and help build resilient, scalable platforms that power Australia’s largest bank.

You’ll have the opportunity to solve complex engineering challenges, mentor other engineers and help raise engineering standards while shaping the future of our Payments technology.

See yourself in our team

You’ll join the API Customer Experience Squad within the Domestic Payments Crew.

The squad is building end‑to‑end capabilities that enable customers to self‑onboard to CommBank’s Payment API products and services. Our goal is to create a first‑class experience where customers can discover services, test integrations and complete onboarding independently, supported by an AI companion.

You’ll work alongside engineers, Product, Architecture, Security and Operations to build secure and reliable customer experiences at scale.

What you’ll do

As a Staff Software Engineer, you’ll:

• Provide technical leadership across teams, influencing engineering direction, architecture and technical standards.
• Design, build and evolve secure, scalable and resilient software platforms and distributed systems.
• Lead architecture and design decisions and help modernise our platforms using cloud‑native and event‑driven approaches.
• Champion engineering excellence across software quality, testing, observability, security, resilience and operational excellence.
• Foster a strong DevSecOps culture by taking ownership of solutions from design and development through to deployment, production operations and continuous improvement.
• Mentor engineers, grow technical capability and support the adoption of modern and AI‑enabled engineering practices.

We’re interested in hearing from people who

You’re an experienced software engineer who enjoys solving complex technical problems, influencing engineering direction and helping teams deliver great technology.

You’ll bring deep expertise across several areas of modern software engineering, together with curiosity and the ability to learn and adapt. Experience across every technology in our environment isn’t required.

We’re particularly interested in experience across:

• Modern software engineering using backend technologies such as Java and Spring Boot, Node.js and TypeScript.
• Building APIs, microservices and secure, high‑performance distributed applications.
• Cloud‑native engineering using AWS, Kubernetes, containerisation and Infrastructure as Code.
• Event‑driven architecture and messaging technologies such as Kafka.
• CI/CD, DevSecOps, observability, resilience and owning software throughout its production lifecycle.
• Providing technical leadership, making architectural decisions, mentoring engineers and influencing engineering standards across teams.

Working with us

At CommBank, we’re committed to creating an accessible, inclusive and respectful workplace. If you require support or adjustments, please let us know. We welcome applications from people of all backgrounds and we’re particularly committed to making a positive difference for Aboriginal and/or Torres Strait Islander Peoples. For support please contact 1800 989 ***.