Senior Software Engineer - CRE

CoStar Group; Sydney; On-site; AUD 140,000 - 190,000; Full time

Job summary

Domain is seeking a Senior Software Engineer to design, build and evolve the CRE platform, collaborating with product, design and engineering to deliver scalable, reliable software powering Domain's commercial property marketplace.

You will mentor engineers, shape system architecture, and advocate best practices across CI/CD, TDD and testing, while delivering production-grade solutions on AWS using .NET/C#, React and modern frontend tech.

Qualifications

• Proven experience shipping production-grade software.
• Expertise in .NET/C# development and cloud-native apps on AWS.
• Strong frontend skills with React/Next.js/TypeScript.
• Good knowledge of relational databases and distributed systems.

Responsibilities

• Collaborate within a cross-functional team to deliver software solutions.
• Design, develop, and maintain scalable applications and services.
• Write clean, maintainable, well-tested code.
• Deliver features and fixes directly to production.
• Contribute to system architecture and engineering best practices.
• Mentor engineers and advocate for high standards in testing and delivery.
• Identify opportunities to improve performance and reliability.
• Drive continuous improvement across the platform.

Skills

.NET / C#

AWS Cloud

React / Next.js / TS

Relational databases

CI/CD / TDD

Team collaboration

Tools

OpenSearch

PostgreSQL

MySQL

SQL Server

Job description

Senior Software Engineer - CRE

Job Description

Senior Software Engineer - CREStep 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 collaborative 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 [e-mail] or leave a message on 1300 858 356 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.