Staff Software Engineer

Commonwealth Bank of Australia; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Commonwealth Bank of Australia seeks a Staff Software Engineer for Payments Technology to guide secure, scalable platforms. You will influence engineering strategy, drive API and microservice design, and work with cloud-native, AI-enabled practices to advance payments experiences.

You will collaborate with engineers, product, architecture and security to deliver resilient systems used by millions of customers across Australia and beyond.

Qualifications

• Senior software engineer with backend focus and system design expertise.
• Experience delivering APIs, microservices and distributed systems.
• Proficient with cloud-native platforms and DevSecOps practices.
• Proven ability to mentor engineers and influence technical direction.

Responsibilities

• Provide technical leadership across teams, architecture and standards.
• Design, build and evolve secure, scalable platforms and services.
• Lead architecture decisions and modernise with cloud-native approaches.
• Champion quality, observability, security, resilience and ops.
• Foster a DevSecOps culture from design to production and improvement.
• Mentor engineers and promote AI-enabled engineering practices.

Skills

Java

Spring Boot

Node.js

TypeScript

APIs

Microservices

AWS

Kubernetes

Kafka

CI/CD

Education

Bachelor's degree in Computer Science

Tools

Docker

Terraform

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 989 696.

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Advertising End Date: 30/10/2026