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

CommBank; City of Melbourne; On-site; AUD 150,000 - 190,000; Full time

Job summary

Unloan, a start-up inside Commonwealth Bank, seeks a Senior Software Engineer to build customer-facing experiences for the home lending journey. You will own solutions end-to-end from design to production, leveraging AI platforms and modern tooling to accelerate delivery.

Strong TS/React/Next.js, GraphQL/REST, and PostgreSQL expertise are essential for this role. You will join a fast-moving, collaborative squad with autonomy to influence decisions and deliver impactful customer outcomes in an

Qualifications

• Strong TypeScript, React, Next.js and Node.js development experience.
• Ability to design, build and consume GraphQL and REST APIs.
• Solid PostgreSQL experience with modeling, migrations and optimisation.
• Understanding of scalable system design and distributed services.

Responsibilities

• Design, architect and build customer-facing experiences for home lending journeys.
• Own end-to-end solutions from implementation to production support.
• Leverage AI platforms and tooling to accelerate delivery and quality.
• Write clean, secure, well-tested production code and review AI-generated code.

Skills

TypeScript

React

Next.js

Node.js

GraphQL

REST APIs

PostgreSQL

Distributed systems

Testing

AI-first software

Tools

GitHub

Docker

Terraform

Bicep

Azure

Cloudflare

Monorepo tooling

Playwright

Jest

Job description

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

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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