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Senior MarTech Platform Engineer

Sydney, New South Wales, AustraliaOnsitePosted Oct 8, 2026

Job description

Senior Mar. Tech Platform Engineer Job Description Senior Mar. Tech Platform Engineer About the Role At Domain (part of the Co. Star Group), we're looking for a Senior Mar. Tech Platform Engineer to help build and evolve the technology that powers our customer engagement and marketing capabilities. Working across Marketing, Product, Data, and Engineering, you'll design and support integrations, customer data solutions, and marketing platforms that enable personalised customer experiences at scale.

This is a hands-on engineering role focused on platform implementation, system integration, automation, and customer data enablement.

What You'll Do

Build and support integrations across Domain's Mar. Tech ecosystem. Implement and enhance Customer Data Platform (CDP) capabilities. Develop APIs, services, and event-driven solutions that connect customer, marketing, and data platforms. Enable reliable customer data flows across the business. Support audience segmentation, personalisation, and lifecycle marketing initiatives.

Partner with Marketing, Product, Data, and Engineering teams to deliver business outcomes. Contribute to platform architecture, technical design, and engineering best practices. Identify opportunities to improve automation, scalability, and reliability.

What You'll Bring

Mar. Tech Experience Experience working with Mar. Tech platforms and customer data solutions, including exposure to technologies such as: Customer Data Platforms (CDPs) Tealium Braze GA4 Mixpanel Snowflake Marketing Automation and Lifecycle Marketing platforms Technical Experience Strong software engineering and integration experience, including: C#/.

NET, TypeScript, or Java API development and system integrations Cloud platforms and services Event-driven architectures Data and platform integration projects Modern software engineering practices About You Strong problem-solving and analytical skills. Comfortable working with both technical and non-technical stakeholders.

Able to balance business needs with technical solutions. Ownership mindset with a focus on outcomes. Collaborative, adaptable, and eager to learn. Passionate about building scalable technology that delivers great customer experiences. About Domain (part of the Co. Star Group) Domain is a leading property technology and services marketplace that is home to one of the largest portfolios of property brands in Australia, including the Domain, Allhomes and Commercial Real Estate (CRE) platforms.

In 2025, Domain became part of Co. Star Group - a global leader in commercial real estate information, analytics, online marketplaces and 3D digital twin technology. We are dedicated to digitising the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives Co. Star Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

Description copied from CoStar Group's careers page. Read the full posting before you apply.

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