Principal Software Engineer - Full Stack in Melbourne

Principal Software Engineer - Full Stack in Melbourne

Melbourne Full-Time 72000 - 88000 $ / year (est.) On-site
C

At a Glance

  • Tasks: Lead the transformation of assisted banking with AI-powered full-stack engineering.
  • Company: Join a forward-thinking tech company revolutionising customer service.
  • Benefits: Enjoy competitive pay, flexible work options, and growth opportunities.
  • Other info: Collaborative team environment focused on solving complex problems.
  • Why this job: Make a real impact by shaping the future of banking technology.
  • Qualifications: Expertise in React, Next.js, Node.js, TypeScript, .NET, and cloud technologies.

The predicted salary is between 72000 - 88000 $ per year.

  • We’re transforming assisted banking through AI-powered, full-stack engineering at scale.
  • You have Principal-level expertise across React, Next. js, Node. js, Type Script, . NET and cloud.
  • Together we will reimagine how branch colleagues serve customers with intelligent technology.
  • We’re transforming assisted banking through AI-powered, full-stack engineering at scale.
  • You have Principal-level expertise across React, Next. js, Node. js, Type Script, . NET and cloud.
  • Together we will reimagine how branch colleagues serve customers with intelligent technology.
  • Do work that matters
  • As a

Principal Software Engineer - Full Stack , you'll shape the next generation of assisted technology, modernising the platforms behind critical branch, customer and colleague experiences.

This is a ground-up transformation where

AI, agentic capabilities and LLM-powered services are part of the engineering strategy , not an afterthought. You'll bring deep full-stack expertise across

Type Script, React, Next. js, Node. js, APIs, . NET and cloud to define architecture, simplify complexity and build modern services at scale.

You’ll operate with genuine technical and strategic ownership , looking beyond today’s requirements to anticipate what customers, colleagues and engineering teams will need next.

You'll uncover problems before they become problems, identify opportunities before they become requirements, and turn uncertainty into action.

Customer obsessed and comfortable challenging convention, you'll influence across teams, mentor engineers and own the health and direction of the broader technology landscape.

  • See yourself in our team
  • You'll join our

Customer Service Network team , working within Assisted Technology to reimagine how our branch colleagues support customers.

We're bringing together engineering, customer journeys and colleague experiences to move beyond disconnected technology and create simpler, more connected ways to serve customers.

Our team is building capabilities including intelligent concierge experiences, agentic appointment booking, customer-intent capture, skills matching and smarter branch operations, all with the ambition of helping colleagues serve customers faster and reducing the time customers spend waiting.

We're a team that enjoys solving complex problems together and shaping solutions where the answers aren't always obvious.

With significant greenfield engineering ahead of us, you'll work across

Type Script, Next. js, APIs, .

NET and AI-enabled engineering , while helping influence our architecture, engineering practices and technical direction.

You'll have the space to challenge ideas, share your expertise and help us build experiences that make a meaningful difference for both our customers and the colleagues who serve them.

  • We're interested in hearing from people who
  • Bring deep systems-thinking and end-to-end architecture experience, connecting complex customer journeys, platforms, data, dependencies and technical requirements across highly interconnected environments.
  • Have genuine full-stack engineering breadth, ideally across Type Script, React, Next. js and Node. js and has the ability to support legacy technologies where customer or business outcomes require it.
  • Have designed and delivered cloud-native, distributed systems end to end, spanning APIs, event-driven architectures, SDKs, data, CI/CD, infrastructure as code, observability, resilience and complex integrations.
  • Can turn ambiguous business and domain problems into clear technical options and architecture, making pragmatic product-first trade-offs and establishing technical direction across multiple engineering teams.
  • Have led safe, large-scale modernisation of interconnected legacy environments, simplifying complexity and technical debt while protecting reliability, customer experience and delivery momentum through the transition.
  • Bring strong integration engineering experience, particularly across complex APIs and capabilities such as authentication, identity, biometrics, NFC or hardware-to-software integration.
  • Use AI-powered engineering and agentic tools practically across the software lifecycle, accelerating discovery, reverse engineering, requirements definition, development, testing, modernisation and delivery rather than treating AI as a standalone capability.
  • Engineer for production from day one, applying secure-by-design principles, resilience patterns, performance optimisation, strong observability and operational ownership from discovery and build through deployment and ongoing optimisation.
  • Demonstrate Principal Engineer-level technical leadership and influence, mentoring Staff, Senior and Software Engineers, constructively challenging decisions, raising design and engineering standards, and balancing hands-on technical credibility with long-term architectural stewardship.
  • Tech Skills

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

  • Back-End Engineering: Node. js, Express, . NET Core C#, microservices, Web APIs
  • Front-End Engineering: React, Next. js, Type Script
  • Architecture & Solution Design: Enterprise system design, scalable architecture patterns, distributed systems
  • Event-Driven Architecture: Apache Kafka, event streaming, asynchronous architectures, real-time data processing
  • Databases & Data Engineering: Oracle PL/SQL, Mongo DB, AWS No SQL services, high-availability and performance-optimised data layers
  • Cloud Engineering: AWS, cloud-native services, scalable and secure cloud infrastructure
  • Infrastructure as Code (Ia C): AWS CDK, Terraform, AWS Cloud Formation
  • Dev Sec Ops & CI/CD: Git Hub Actions, CI/CD pipelines, security automation, continuous delivery
  • Quality Engineering & Test Automation: Unit testing, component testing, integration testing, end-to-end testing, Specmatic API contract testing
  • Source Code & Repository Strategy: Git Hub, advanced Git workflows, branching strategies, monorepo architecture, Turbo Repo
  • AI-Assisted & Agentic Development: Generative AI, agentic software development, Roo Code, Cline, Claude Code, Git Hub Copilot
  • Observability & Site Reliability Engineering: Observe, Prometheus, Grafana, Pager Duty, monitoring, alerting, operational reliability

We're aware of some accessibility issues on this site, particularly for screen reader users.

We want to make finding your dream job as easy as possible, so if you require additional support please contact HR Direct on 1800 989 696.

  • Advertising End Date: 22/11/2026
  • #J-18808-Ljbffr

Principal Software Engineer - Full Stack in Melbourne employer: Commonwealth Bank

Commonwealth Bank is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. As a Staff Data Engineer, you'll have the opportunity to lead cutting-edge projects in a supportive environment that prioritises employee growth and development, with access to ongoing training and mentorship. Located in a vibrant city, the bank provides unique advantages such as flexible working arrangements and a commitment to work-life balance, making it an ideal place for those seeking meaningful and rewarding employment.

C

Contact Details:

Commonwealth Bank Recruitment Team

We think you need these skills to ace Principal Software Engineer - Full Stack in Melbourne

React
Next.js
Node.js
TypeScript
.NET
Cloud Engineering
APIs