Principal Software Engineer - Full Stack (React, Next.js, Node.js, .Net)

Commonwealth BankSydneyRemoteFull-time2 weeks ago

Principal Software Engineer – Full Stack role at Commonwealth Bank Group's Customer Service Network team in Sydney, transforming assisted banking through AI-powered, full-stack engineering. Requires Principal-level expertise across React, Next.js, Node.js, TypeScript, .NET and cloud to define architecture and build modern services at scale.

What you'll do

Shape the next generation of assisted technology, modernising platforms behind branch, customer and colleague experiences
Define architecture, simplify complexity and build modern services at scale
Operate with technical and strategic ownership, anticipating future needs
Influence across teams and mentor engineers
Own the health and direction of the broader technology landscape
Build capabilities including intelligent concierge experiences, agentic appointment booking, customer-intent capture, skills matching and smarter branch operations
Influence architecture, engineering practices and technical direction
Turn ambiguous business and domain problems into clear technical options and architecture
Lead safe, large-scale modernisation of interconnected legacy environments
Engineer for production from day one applying secure-by-design principles

What you need

Must-have

TypeScriptReactNext.jsNode.js.NET.NET CoreC#Express

Soft skills

Systems-thinkingTechnical leadershipMentoringInfluenceProblem solvingCustomer obsessionChallenging convention

Principal Software EngineerFull StackFinancial ServicesAIBankingReactNext.jsNode.js.NETCloud

/What you'll do

/What you need

Must-have

Soft skills

What you'll do

What you need