Principal Software Engineer

1 week ago

Australia Commonwealth Bank Full time

Join to apply for the
Principal Software Engineer
role at
Commonwealth Bank
Location: Sydney or Melbourne
Overview
We're building tomorrow's bank today, which means we need creative and diverse engineers to redefine what customers expect from a bank. This role is within the Banker Assisted Lending crew in Business Banking, accountable for delivering differentiated experiences and the roadmap of the future.
Responsibilities
Work as a Principal Engineer to shape the future of Engineering at Commonwealth Bank, championing cutting-edge solutions and fostering innovation that drives real-world impact.
Provide technical leadership to address complex challenges while ensuring scalability, security, and reliability in all deliverables.
Decompose monoliths or build microservices at scale, data-intensive APIs, and event-driven applications; operate microservices in a DevSecOps model.
Design and implement solutions to complex problems, including onboarding and migrating to new tooling and retiring obsolete systems and code.
Champion risk-taking and constructive challenge of the status quo while influencing stakeholders and building diverse and inclusive teams.
Qualifications & Skills
Experience decomposing monoliths, building microservices at scale, building data-intensive APIs, or building event-driven applications.
Real-world experience operating microservices in a DevSecOps model.
Experience addressing technical debt with a commercially focused and pragmatic approach.
Experience building high-performing engineering teams and upskilling lower-performing teams.
Ability to identify, gain support for, and execute technical direction and strategy for the business.
Designs and implements solutions to complex problems, including onboarding/migration to tooling and removal of obsolete systems.
Encourages risk-taking and challenges the status quo while influencing stakeholders and building diverse teams.
Technical & Tooling Proficiencies
Cloud: AWS, Serverless, Containers, VM Hosting
Databases: AWS Aurora/RDS, Redis, ElastiCache, Oracle
Languages: C#, .NET or Java
Eventing: SQS, SNS, EventBridge, Kafka
CI/CD & Infra: GitHub, GitHub Actions, Terraform, Artifactory
Observability: OpenTelemetry, Prometheus, Grafana, CloudWatch
Security: AWS Secrets Manager, Parameter Store, AWS Certificate Manager, Vault
Design, Testing (TDD/BDD), API & System Design for data-intensive and microservices architectures
AI in engineering concepts (e.g., GenAI, RAG) and related tooling
Certifications (preferred): AWS Solutions Architect & DevOps Engineer Professional; AI Practitioner & Machine Learning Specialty
Containers: CK?/CKD
Other details
Employment type: Full-time
Job function: Engineering and Information Technology
Seniority level: Mid-Senior level
We support our people with the flexibility to balance where work is done, with at least half your time each month in the office.
Advertising End Date: 24/09/2025
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