Senior Software Engineer - Customer Acquisition Unloan (React, Typescript)

Commonwealth Bank Of Australia; City of Melbourne; On-site; AUD 140,000 - 190,000; Full time

Job summary

Commonwealth Bank Of Australia’s Unloan startup in Melbourne seeks a Senior Software Engineer for the Customer Acquisition squad. You’ll design, architect and build customer-facing experiences that support the home lending journey, owning solutions end to end from implementation to production support.

You’ll work in an AI-first environment with modern platforms, harnesses and models, collaborating across frontend and backend using TypeScript, React, Next.js, Node.js, GraphQL and PostgreSQL.

Qualifications

• Strong TypeScript/React/Next.js experience.
• Experience designing and consuming GraphQL/REST APIs.
• Solid PostgreSQL modelling, migrations and optimisation.

Responsibilities

• Design, architect and build customer-facing experiences that support the home lending journey, owning solutions end to end from implementation to production support.
• Leverage AI-first platforms, orchestrators and models to accelerate delivery and improve quality.
• Collaborate across frontend/backend teams, ensure secure, well-tested production code.

Skills

TypeScript

React

Next.js

GraphQL

REST APIs

PostgreSQL

Distributed systems

Full-cycle engineering

AI-first workflows

Agentic AI workflows

Tools

Storybook

Azure

Docker

Terraform

Bicep

GitHub Actions

CI/CD pipelines

Monorepo tooling

Job description

We're creating AI-powered lending experiences at scale.

• We're creating AI-powered lending experiences at scale.

• You have the drive to build skills for the future of tech.

• Together we make a real difference

Do work that matters:

We're Unloan, a start-up inside Australia's largest bank, combining the speed, autonomy and close-knit culture of a tech start-up with the scale, trust and stability of Commonwealth Bank.

As a Senior Software Engineer in our Acquisition Squad, you'll design, architect and build customer-facing experiences that support every stage of the home lending journey, owning solutions end to end, from implementation and testing through to deployment and production support.

Working at the forefront of AI-enabled software engineering, you'll leverage orchestrators, harnesses and models to accelerate delivery, improve quality and help shape the future of how software is built, bringing strong technical fundamentals, curiosity, pragmatism and a bias for delivery to everything you do.

See yourself in our team:

Join the Customer Acquisition Crew at Unloan, where we're simplifying and transforming the lending experience through technology.

Working in a startup-minded environment, you'll be part of a micro squad with the autonomy to solve meaningful problems, influence decisions and directly shape customer outcomes.

As an AI-first business, engineers have access to modern AI platforms, significant AI capability investment, substantial token allocation across leading AI models and tooling, and practical experience with agentic solutions that will shape the next decade of technology careers.

You'll join a collaborative team that values ownership, continuous improvement and practical innovation to solve real customer problems.

We're interested in hearing from people who:

• Have strong TypeScript, React, Next.js and Node.js development experience.
• Can design, build and consume GraphQL and REST APIs.
• Bring solid PostgreSQL expertise across modelling, migrations and optimisation.
• Understand scalable system design, distributed services and integrations.
• Write clean, secure, well-tested and maintainable production code.
• Have a strong full-cycle engineering mindset. You own what you build in production.
• Work in an AI-first way and can direct, review and refine AI-generated code.
• Understand how to leverage agentic workflows and apply sound engineering judgement.
• Balance engineering excellence with pragmatism, speed and collaboration.

We're an AI-first business. We don't expect you to know everything here, but experience with some of it, or the equivalents, will set you up for success.

• Front end: TypeScript, React, Next.js, Storybook
• Back end: Node.js, GraphQL, REST APIs
• Database: PostgreSQL
• Cloud & Infrastructure: Azure, Cloudflare, Docker, Infrastructure as Code (Bicep, Terraform)
• DevOps & CI/CD: GitHub, GitHub Actions, CI/CD pipelines, Monorepo tooling
• Testing & Quality: Jest, Playwright
• Monitoring & Observability: Application Insights
• Architecture: Distributed systems, System design
• Engineering Practices: Full-cycle engineering, Incident response
• AI & Developer Productivity: Claude Code, GitHub Copilot, Agentic AI workflows, AI-assisted code generation, testing and debugging, Prompting and context management

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Advertising End Date: 29/09/2026

Senior Software Engineer - Customer Acquisition Unloan (React, TypeScript) Melbourne, VIC, AU