Do work that matters
At CommBank, we're building the technology that powers how the organisation delivers outcomes at scale.
Within Digitisation & Enablement, we're transforming how platforms, systems, and capabilities are designed, built, and delivered across the enterprise. Our focus is on enabling faster, simpler, and more resilient technology outcomes that directly support business objectives, while contributing to helping the Australian community grow and thrive.
As a Principal Software Engineer, you'll shape technology strategy and architecture across multiple teams, helping define how modern platforms are built, scaled, and evolved in a complex enterprise environment.
This is an opportunity to influence engineering at scale, drive meaningful transformation, and play a key role in evolving how technology supports business outcomes.
See yourself in our team
You'll join a high-impact engineering environment focused on building and evolving enterprise platforms and capabilities.
Working across multiple squads, you'll connect the dots across systems, guide architectural decisions, and ensure we're building scalable, secure, and resilient solutions that meet long-term needs.
Partnering with senior engineering leaders, architects, product leaders, and engineering managers, you'll align technical direction to strategy; while staying close enough to delivery to influence outcomes where it matters most.
What you'll do
Technical Strategy & Architecture
Co-create and evolve technology strategy and roadmaps aligned to business objectives
Define architectural direction across platforms, services, and systems
Ensure solutions meet long-term scalability,



reliability, security, and operability goals
Guide modernisation of enterprise systems and platform evolution
Cross-Team Technical Leadership
Provide technical leadership across multiple squads and domains
Identify opportunities for reuse, simplification, and standardisation
Resolve complex cross-domain engineering challenges
Influence engineering roadmaps and investment decisions
Engineering Excellence
Champion engineering standards, patterns, and best practices
Drive improvements in quality, observability, automation, and reliability
Lead architecture reviews and governance practices
Enable teams to move independently while maintaining platform consistency
Leadership & Influence
Mentor Staff Engineers and senior engineers across the organisation
Build engineering capability through coaching and knowledge sharing
Partner with product, architecture, and business stakeholders
Act as a trusted advisor to senior engineering leadership
We're looking for people who
Have significant experience leading large-scale platforms and distributed systems
Have proven success driving technical strategy across multiple teams
Bring deep expertise in cloud-native architecture and up-to-date engineering practices




Can balance immediate delivery with long-term platform evolution
Influence through technical credibility rather than authority
Have experience building shared platforms, reusable services, or enterprise
Capabilities
Technical capability
You don't need expertise in everything we use, but strong fundamentals and depth in modern engineering are essential.
Core Engineering
Java / Spring Boot
Distributed systems and API-driven architectures
Workflow & Orchestration
Temporal (or similar platforms)
Enterprise workflow and integration patterns
Cloud & Platform
AWS (including Lambda and cloud-native architectures)
Scalable, resilient platform design
Emerging & Intelligent Systems
Python
Agentic AI patterns and frameworks
Agent SDKs and orchestration tools (e.g. LangGraph or similar)
Engineering Environment
GitHub (CI/CD, collaboration, and delivery pipelines)
Modern DevOps and automation practices
Why this role is different
You won't just influence a single team, you'll shape how engineering is done across the organisation.
You'll play a critical role in defining technology direction, influencing strategy, and enabling step-change improvements in how platforms are built, scaled, and operated using modern tooling, AI, and evolving architectural approaches.
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Advertising End Date: 14/09/2026
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📌 Principal Software Engineer- Digitisation And Enablement (Sydney)
🏢 Commonwealth Bank
📍 Sydney