Senior Software Engineer - CRE

Job Description

Senior Software Engineer - CRE Step into a pivotal role on a tight-knit development team managing Domain's Commercial Real Estate (CRE) platform. We create customer-centric products powered by Domain's market-leading data assets to solve genuine problems for our users. As a Senior Software Engineer, you'll play a key role in designing, building, and evolving the technology that powers Domain’s commercial property marketplace. Working closely with Product, Design, and Engineering peers, you'll help deliver scalable, performant and reliable solutions while contributing to technical direction, engineering excellence, and continuous improvement across the platform.

What You'll Do

- Work collaboratively within a cross-functional team to deliver high-quality software solutions.
- Design, develop, and maintain scalable applications and services.
- Build clean, maintainable, and rigorously tested code.
- Deliver impactful features and essential fixes directly to production.
- Contribute to system architecture, technical design, and engineering best practices.
- Mentor engineers and champion high standards for code quality, testing, and delivery.
- Identify opportunities to improve performance, reliability, and developer experience.
- Help drive continuous improvement across the team and platform.

What You'll Bring

- Strong experience shipping production-grade software and making critical architectural trade-offs.
- Expertise in .NET/C# development.
- Experience building and supporting cloud-native applications within AWS.
- Strong understanding of modern front-end technologies including React, Next.js, TypeScript, and JavaScript.
- Experience with relational databases and distributed systems.
- Knowledge of CI/CD, Test Driven Development (TDD), and software engineering best practices.
- Strong problem-solving skills and an ownership mindset.




- Ability to collaborate effectively with both technical and non-technical stakeholders.

Tech Stack

- .NET / C#
- AWS (Lambda, ECS, EKS, DynamoDB)
- OpenSearch
- PostgreSQL, MySQL, SQL Server
- TypeScript / JavaScript
- React & Next.js
- CI/CD
- Test Driven Development

Why Join Us?

Commercial Real Estate is a key part of Domain's portfolio, helping thousands of agencies and property professionals connect with buyers, sellers, tenants, and investors across Australia. You'll join a cooperative team working on meaningful products, modern technologies, and real customer problems while having the opportunity to make a significant impact on the future of the platform.

Equity, Diversity and Inclusion at Domain

Domain is enthusiastically and unapologetically committed to fostering an equitable, inclusive work culture which reflects our customers and communities. We are proactively looking for candidates from all lived experiences, including people with disability, and people of all ages, ethnicities, cultures (including Aboriginal and Torres Strait Islander Peoples), faiths, sexual orientations, and gender identities (including trans and non-binary people). We are committed to providing an equitable recruitment process for people with disability. If you require adjustments during the process we're here to support. If you wish to receive this job advertisement in an accessible format, or have a confidential chat about workplace adjustments, please contact our Equity, Diversity and Inclusion team at or leave a message on and we will get back to you.





CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P; 500 Index, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 37 years, giving us the perspective to create truly unique and valuable products and services. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry and for our customers. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

CoStar Group is committed to creating a diverse environment and is proud to be an equal opportunity workplace and affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. CoStar Group is also committed to compliance with all fair employment practices regarding citizenship and immigration status. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access as a result of your disability. You can request reasonable accommodations by sending an email to

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📌 Senior Software Engineer - CRE (Australia)
🏢 Costar Group
📍 Australia