Job Description

Senior Engineer - Business Technology n

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- Location: Sydney (AU) – Pitt St
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- Contract: Full time
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- Salary: R39967
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Build AI-powered tools and automations that are transforming how Domain operates.

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We're looking for a Senior Software Engineer to join our Integration & Automation Squad , where you'll develop the platforms, integrations and intelligent automation capabilities that power our products and internal systems.

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Working with C#, .NET and TypeScript , you'll help create scalable, event-driven solutions that connect systems, unlock data and enable AI-driven experiences across the business.

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What You'll Do

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- Build AI-powered tools, automations and platform capabilities used across Domain.
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- Design, develop and support scalable software solutions from concept through to production.
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- Create real-time integrations using APIs, messaging and event-driven architecture.
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- Build and maintain cloud-native microservices and distributed systems.
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- Solve complex technical challenges across a large and evolving technology landscape.
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- Collaborate closely with Product, Design and Engineering teams to deliver customer value.
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- Drive code quality, security, performance and engineering best practices.
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- Mentor engineers and contribute to a culture of continuous improvement.
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- Influence architecture, technical standards and long-term platform strategy.
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Ideally You'll Have

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- Strong commercial experience with C#, .NET and TypeScript .
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- Experience building scalable APIs, integrations and distributed systems.
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- Expertise with microservices and event-driven architectures.
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- Experience with AWS,



Azure or GCP.
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- A strong understanding of cloud-native design patterns and software architecture.
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- Experience designing solutions for scale, reliability and maintainability.
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- Knowledge of modern testing practices including TDD, BDD and shift-left testing.
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- A security-first mindset and experience with secure coding practices.
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- Experience working in Agile, cross-functional product teams.
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- Previous experience mentoring engineers and helping teams grow.
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Why Join Us?

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This is an opportunity to work on high-impact engineering challenges while building AI-powered tools and intelligent automations that are used across Domain's platforms and business operations.

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You'l join a collaborative team, work on up-to-date cloud technologies, and have the opportunity to influence both the technical direction of the platform and the future of AI-enabled products within the business.

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If you enjoy solving complex integration challenges, building scalable systems and creating AI-driven solutions that have real-world impact, we'd love to hear from you.

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What’s in it for you

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Working at CoStar Group means you'll enjoy a culture of collaboration and innovation that attracts the best and brightest across a broad range of disciplines. We offer you generous compensation and performance-based incentives. As well as having an outstanding working environment, other perks include extra days of annual leave, leadership development programs, LinkedIn Learning, Perkbox discounts and much more!

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About Domain (part of the CoStar Group)

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Domain is a leading property technology

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📌 Senior Engineer - Business Technology (Sydney)
🏢 Domain
📍 Sydney