Full-Stack Engineer – React Native, Node.js & AWS

CoStar Group; City of Melbourne; On-site; AUD 120,000 - 150,000; Full time

Job summary

CoStar Group, the global leader in commercial real estate information and analytics, is seeking a Software Engineer to contribute to Homepass and related platforms. You will own features end-to-end—from design to production support—utilising TypeScript, React Native, Node.js, and AWS in a fast-paced environment.

You will design scalable architectures, implement progressive migrations, and enforce engineering patterns across teams.

Qualifications

• Strong TypeScript across both frontend and backend.
• Experience with React Native or React.
• Node.js backend development, including REST and GraphQL APIs.
• MongoDB or other document databases, including query and index design.
• AWS: dashboards, deployment pipelines, and infrastructure reasoning (CDK/EKS a plus).
• Solid testing discipline: unit, integration, and end-to-end testing in CI pipelines.
• Familiar with async messaging patterns (SQS, event-driven architecture).
• Familiar with application security practices (OWASP).
• AWS Certification.
• Degree in Computer Science / Software Engineering related field.

Responsibilities

• Own and execute the full lifecycle of small to medium-sized projects: design, development, testing, deployment, production support, and continuous improvement.
• Architect and implement scalable and reliable solutions that meet current and future needs.
• Ship incrementally, with clear judgement about which decisions are reversible and which carry real risk or blast radius.
• Ensure high-quality outputs through solid testing practices, peer code reviews, and meaningful test coverage.
• Set technical patterns through code review, design docs, and pairing — raise the bar rather than just maintain it.
• Lead legacy modernisation work incrementally, making progress without destabilising what's already running.
• Experience working in cross-functional teams alongside Product and Design.
• Experience building and operating backend services in production, including APIs, async workers, and integrations with third-party systems.
• Experience working in Agile delivery environments.

Skills

TypeScript

React Native

React

Node.js

MongoDB

AWS

Testing

CI/CD

Security

Cloud Certification

Education

Degree in Computer Science / Software Engineering related field

Tools

GraphQL

REST APIs

SQS

AWS CDK

EKS

Job description

CoStar Group, the global leader in commercial real estate information and analytics, is seeking a Software Engineer to contribute to Homepass and related platforms. You will own features end-to-end—from design to production support—utilising TypeScript, React Native, Node.js, and AWS in a fast-paced environment.

You will design scalable architectures, implement progressive migrations, and enforce engineering patterns across teams.