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

📌 Senior Software Engineer - Cre (Sydney)
🏢 CoStar Group
📍 Sydney