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Principal software engineer

Sydney
Commonwealth Bank
Software Engineer
Posted: 22 January
Offer description

Overview

We're embarking on an engineering transformation with the key focus on CIAM & ID&V across Full Stack Engineering. You have knowledge that spans both development and operations, including coding, infrastructure management, system admin/engineering and DevOps Toolchains. Together we will build tomorrow's bank today, using world-leading engineering, technology, and innovation.


Responsibilities

* Architect end-to-end CIAM and Identity Verification solutions where modern software engineering meets advanced security—defining target-state patterns, solution designs, and architecture that safeguard millions of customers.
* Design and build full-stack identity capabilities using React, Next.js, .NET, REST/GraphQL APIs, and microservices—integrating frictionless front-end experiences with high-performance backend identity services.
* Engineer scalable data-driven identity platforms across Oracle, MySQL, PostgreSQL, MS SQL Server, and NoSQL stores like MongoDB, Redis, and Elasticsearch to power real-time decisioning and verification workflows.
* Create cloud-native ID&V workflows including orchestration engines, biometric liveness checks, OCR/NFC document validation, scorecards, and AI-assisted fraud detection—all deployed on event-driven and serverless architectures.
* Leverage industry-leading identity technologies such as PingFederate, PingDirectory, PingAuthorize, FIDO, OAuth2/OIDC, SAML, and Daon IdentityX to enable secure authentication, authorization, and verification flows.
* Drive full-cycle engineering and DevSecOps excellence, automating pipelines, embedding observability, enforcing secure-by-design patterns, and ensuring platforms are reliable, scalable, and continuously improving.
* Lead technical strategy and influence at scale, guiding architects, squads, and senior executives to align on modern identity patterns, architectural direction, and uplifted security capabilities.
* Translate complex business, cyber, and regulatory needs into elegant, production-ready architecture, delivering identity solutions that elevate customer experience while strengthening fraud prevention and security controls.


Tech Skills

We don't expect you to know everything, but experience in several of the following will set you up for success:

* Identity, Authentication & Security: OAuth2, OIDC, SAML, FIDO2/WebAuthn, FIDO UAF, biometric verification (face/voice), liveness detection, document authenticity, CIAM architectures, multi-tenancy, risk-based authentication, Daon, IDVerse, GreenID, Equifax, Home Affairs/DVS.
* Full Stack Engineering: React.js, Next.js, C#, .NET / .NET Core, REST & GraphQL APIs, modern front-end patterns, high-scale backend services.
* Cloud & Platform: AWS Lambda, ECS/EKS, API Gateway, DynamoDB, Aurora, S3, CloudWatch, serverless and container-native architectures.
* Containers & Orchestration: Docker, Kubernetes, microservices design, scalable deployment patterns.
* DevOps & SRE: GitHub Actions, TeamCity, Terraform, CloudFormation, Prometheus, Grafana, Splunk, ObServe, automated CI/CD pipelines, observability and reliability engineering.
* Data & Integrations: PostgreSQL, Oracle, Kafka, SNS/SQS, event-driven architectures, API gateways, distributed systems integration.
* AI & Engineering Tools: GitHub Copilot, Cline, Figma AI, Roode, familiarity with LLMs and machine learning concepts for intelligent workflows.
* Bonus: Experience with BioCatch, Agentic AI Security, or emerging behavioural security technologies.

Advertising End Date: 12/02/2026

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