Job Description
Senior MarTech Platform Engineer
About the Role
At Domain (part of the CoStar Group), we're looking for a Senior MarTech 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 MarTech 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
MarTech Experience
Experience working with MarTech 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 CoStar 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 CoStar 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
CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing
Skills Required
- Experience working with MarTech platforms and customer data solutions
- Experience with Customer Data Platforms
- Experience with marketing automation and lifecycle marketing platforms
- Experience with C#/.NET, TypeScript, or Java
- API development and system integration experience
- Experience with cloud platforms and services
- Experience with event-driven architectures
- Experience with data and platform integration projects
- Strong problem-solving and analytical skills
- Ability to work with technical and non-technical stakeholders
CoStar Group Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CoStar Group and has not been reviewed or approved by CoStar Group.
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Healthcare Strength — Healthcare coverage is described as extensive, spanning medical, dental, vision, and prescription plans, with additional life and supplementary insurance options. Mental health counseling and wellness incentives are also part of the package, reinforcing the sense of strong health support.
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Wellbeing & Lifestyle Benefits — Lifestyle perks include commuter and gym reimbursements and daily lunch, alongside office snacks/drinks and company social events. Fitness stipends and wellness programs add to the perceived day-to-day value of the rewards package.
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Equity Value & Accessibility — Opportunities to become a shareholder via stock-related programs are highlighted as a meaningful element of total rewards. Equity and employee stock purchase options are positioned as an additional path to value beyond base pay.
CoStar Group Insights
What We Do
CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom.
