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

cba; City of Melbourne; Hybrid; AUD 120,000 - 180,000; Full time

Job summary

Unloan, an AI-first startup inside Commonwealth Bank, is seeking an experienced engineer to design, architect and build customer-facing experiences across the home lending journey, owning solutions end to end from implementation and testing through deployment and production support.

Join a startup-minded team with autonomy to solve meaningful problems, influence decisions and shape customer outcomes while leveraging modern AI platforms and tooling.

Qualifications

• Strong TypeScript, React, Next.js and Node.js development experience.
• Can design, build and consume GraphQL and REST APIs.
• 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 full-cycle engineering mindset and own what you build in production.
• Work in an AI-first way and review/refine AI-generated code.

Responsibilities

• Own features end-to-end from design to production support.
• Build customer-facing experiences across the home lending journey.
• Collaborate with AI platforms and engineering teams to accelerate delivery.
• Ensure code quality, security and observability across services.

Skills

TypeScript

React

Next.js

Node.js

Tools

GraphQL

REST APIs

PostgreSQL

Job description

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.

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 f orefront 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.

Tech skills

• 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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