Senior Data Engineer

Senior Data Engineer - Domain - Sydney

Company Overview: CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. We are listed in the S&P 500 and the NASDAQ 100. We aim to digitize the world's real estate, empowering people to discover properties, insights, and connections that improve their businesses and lives.

About Domain: Domain is a leading property marketplace reaching 7 million Australians each month, operating Allhomes and CRE platforms and providing products and solutions to consumers, agents, government, and enterprise to digitise the property journey.

About the Role: We are seeking a Senior Data Engineer to design and implement robust, scalable data solutions in a dynamic environment. You will develop scalable data ingestion pipelines for property data assets, establishing them as the authoritative source for property-related decisions across Domain Group products and business units. You will help build reliable and insightful data solutions that fuel product innovation and drive business growth, including automated workflows with agentic AI solutions.

Why Join Us: Flexible hybrid working, mentoring and leadership programs, learning and development tools, parental leave, and regular events such as Innovation Days.

What you can expect in a typical day: You will collaborate across the organization to lead the design and architecture of innovative data solutions that enhance the property ecosystem.

Responsibilities

• Design and architect innovative data solutions that enhance every aspect of the property ecosystem.
• Develop scalable data ingestion pipelines and establish them as the authoritative data sources for property-related decisions.
• Create automated workflows and data assets to enable rapid extraction of insights across products and units.
• Collaborate with cross-functional teams to drive product innovation and business growth.

What we're looking for

• Demonstrated experience in leading the design, architecture, and end-to-end implementation of complex, high-performance, scalable data pipelines and infrastructure.
• Strong background in data modeling and architecting data warehousing/lakehouse solutions to meet evolving business needs.
• Experience implementing data quality frameworks and contributing to data governance from an engineering perspective.
• Ability to optimize performance, reliability, and cost-effectiveness of data storage, retrieval, and processing at scale.
• Technical leadership, mentorship, and guidance to junior/mid-level data engineers.
• Ability to automate data engineering processes and improve tooling for efficiency and reliability.
• Experience collaborating with data architects, platform engineers, and data consumers to define requirements and integrate robust data solutions.

Our Ideal Person

• ESSENTIALS: 4+ years of proven experience as a Senior Data Engineer in commercial/business environments.
• Expert-level SQL with advanced data modeling, query optimization, and warehousing concepts.
• Hands-on experience on a modern cloud data platform (Snowflake or BigQuery).
• Experience with data orchestration frameworks and pipelines (e.g., Apache Airflow, DBT).
• Proficiency in Python for building data applications and automation.
• Experience with AWS (preferred) and/or GCP/Azure; version control (Git) and CI/CD for data engineering.
• Excellent communication and technical leadership skills for mentoring and cross-functional collaboration.

Nice to Haves

• Knowledge of the real estate industry and its data challenges.
• Experience with streaming data frameworks and real-time processing.
• Understanding of Infrastructure as Code (IaC) with CDK, CloudFormation, or Terraform.
• Familiarity with ETL tools and services (e.g., SSIS, Fivetran, Stitch, Talend, Airbyte, Matillion).
• Hands-on experience with major cloud platforms (AWS preferred; GCP/Azure valued).
• Strong problem-solving skills and ability to optimize data infrastructure for performance and scalability.
• Excellent collaboration and communication with cross-functional teams.
• Experience with AI-led automation workflows is a plus.

Equity, Diversity & Inclusion

Domain Group is committed to fostering an equitable, inclusive work culture. We welcome candidates from all backgrounds, including Aboriginal and Torres Strait Islander peoples, and provide accommodations during the application process upon request. If you require adjustments, contact our Equity, Diversity and Inclusion team at or

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and conduct pre-employment substance abuse testing. CoStar Group respects all qualified applicants without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or citizenship status. If you require reasonable accommodations to use or access , please contact or call

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