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

Commonwealth Bank Of Australia; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Commonwealth Bank of Australia’s Unloan unit seeks a Senior Software Engineer in the Acquisition Squad. You will design and build customer-facing experiences for the home lending journey, owning end-to-end solutions from implementation to production support. Join an AI-first team leveraging modern platforms and tooling to accelerate delivery.

Bring strong TS/React/Next.js skills, API design experience, and solid PostgreSQL knowledge to ship scalable fintech features in Sydney's CBD.

Qualifications

• Strong TypeScript, React, Next.js and Node.js development experience.
• Design, build and consume GraphQL and REST APIs.
• PostgreSQL modelling, migrations and optimisation.
• Understand scalable system design, distributed services and integrations.
• Write clean, secure, well-tested, production-ready code.
• Full-cycle engineering mindset; own what you ship in production.
• Experience with AI-first tooling and agentic code workflows.

Responsibilities

• Design and build customer-facing experiences for the home lending journey.
• Own features end-to-end from implementation to production support.
• Collaborate with AI platforms and tooling to accelerate delivery.
• Review and refine AI-generated code and ensure quality.
• Contribute to scalable, reliable backend and frontend services.

Skills

TypeScript

React

Next.js

Node.js

GraphQL

REST APIs

PostgreSQL

AI platforms

Agentic AI workflows

Cloud concepts

Tools

Azure

Docker

Terraform

Bicep

Terraform

GitHub Actions

Jest

Playwright

Application Insights

Job description

Senior Software Engineer - Customer Acquisition Unloan (React, TypeScript) Commonwealth Bank of Australia Sydney CBD, NSW, AU

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.

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

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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