Senior Software Engineer - Typescript, Expo, React, Node.js, Graphql

Senior Software Engineer (Full Stack)

We're seeking a Senior Software Engineer (Full Stack) to drive innovation and build world-class products using Typescript, Expo, React, Node.js and GraphQL.

You have deep technical expertise, a passion for innovation (GenAI), and the drive to deliver exceptional user experiences.

Together we will build tomorrow's bank today, using world-leading engineering, technology, and innovation.

Do work that matters:

We're Unloan – a forward-thinking business looking to revolutionize the lending industry. We're a modern, agile, standalone brand backed by the Commonwealth Bank and we're building the future of digital home lending.

As the Senior Software Engineer working for Unloan at CBA, you will help drive business growth by driving innovation at the intersection of technology, security, and intelligent automation. You will help in supporting the strategic design and architecture of Unloan's platform, delivering complex, high-performance services and products that redefine digital lending.

Operating in a modern full-stack, full-cycle engineering environment, you will build complex and highly scalable designs working with Typescript, Expo, React, Node.js and GraphQL, ensuring secure, scalable, and reliable solutions from inception to production. Reporting to one of Unloans Chapter Lead you will drive Agentic AI and automation to streamline operations, enhance decision-making, and accelerate delivery. Through technical leadership and a deep systems mindset, they help shape a smarter, safer, and more autonomous future for digital finance.

See yourself in our team:

CBA's Technology unit delivers world-class digital banking and safeguards the bank's systems through leadership in data, infrastructure, cyber security, and resilience. It also empowers over 53,000 employees with cutting-edge workplace technology and tools to enhance collaboration and customer outcomes.

Join the Unloan technology team, part of CBA's wider Digital and Technology Home Buying division within the Digital Technology function, where we're redefining home lending from the ground up. Unloan is a digital-first platform built like a startup but backed by the scale and trust of CommBank. We're transforming a traditionally slow, complex process into a seamless, transparent, and empowering experience for our customers.

Our technology is cloud-native, GraphQL-driven, data-informed, and secure by design, enabling faster decisions, smarter automation, and continuous innovation. Every design and engineering choice supports our mission to make home loans fairer, simpler, and more rewarding, from effortless applications to our automatic loyalty discount that lowers rates every year.

At Unloan, innovation meets impact. You'll work with a tight-knit, high-performing team of engineers, designers, and product thinkers who believe technology can make banking better. We combine the agility of a startup with the strength and stability of Australia's largest bank, moving fast, experimenting boldly, and shipping meaningful features that change how Australians experience home ownership. Unloan is where modern engineering creates real-world impact.

We're interested in hearing from people who:

• Build exceptional cross-platform experiences using Typescript, Expo, React, Node.js and GraphQL, taking advantage of Expo's open-source power to ship faster, reduce native complexity and deliver world-class mobile and web journeys.
• Shape Unloan's technology direction by designing scalable React Native architectures, aligning engineering decisions to business and customer goals and leading complex, cross-team initiatives from concept to delivery.
• Stay hands-on across the modern JavaScript ecosystem, applying deep expertise in Expo, TypeScript, Node.js and GraphQL to build high-performing platforms and solve challenging technical problems.
• Own cloud-native engineering by deploying in Azure or AWS, using Docker (bonus for Kubernetes) and driving modern CI/CD pipelines with GitHub Actions, TeamCity or Octopus Deploy.
• Champion innovation, quality and speed through strong observability, automated testing (e.g., Playwright) and a pragmatic approach that delivers fast while maintaining engineering excellence.
• Lift the entire team by mentoring engineers, setting high technical standards and fostering curiosity, creativity and a passion for solving hard problems in FinTech and home lending.

Tech skills

• Mobile & Frontend Excellence: Proven Expo expertise with React Native, delivering high-quality mobile experiences supported by strong GraphQL and REST integration.
• Modern JavaScript Engineering: Advanced React, TypeScript, Node.js, Expo, and GraphQL skills, bringing curiosity, experimentation, and emerging-tech adoption into day-to-day delivery.
• Cloud & Microservices Mastery: Hands-on experience designing and building Node.js microservices on Azure or AWS, with solid understanding of cloud architecture and distributed systems.
• DevOps, CI/CD & Containers: Skilled in Docker (Kubernetes a bonus), modern pipelines, and tooling such as GitHub Actions, TeamCity, and Octopus Deploy to enable reliable, automated delivery.
• AI, Quality & Observability: Exposure to Generative and agentic AI; strong quality mindset using Playwright for automation, plus observability practices that ensure performance, insight, and scalability.
• Collaboration & Craftsmanship: Active mentor and coach, uplifting teams, guiding junior engineers, sharing best practices, and contributing to a high-performing engineering culture.