Technical Lead

Technical Lead Job Description About CoStar Group 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 and the NASDAQ 100, 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 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed, and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. 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. About Domain 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 (NASDAQ: CSGP), a global leader in commercial real estate information, analytics, online marketplaces and 3D digital twin technology. Together, Domain and CoStar Group is dedicated to digitising the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. The role: The role of a Tech Lead is pivotal in supporting the delivery of our Domain Strategy by driving innovation and ensuring the development of high-quality software solutions. By leveraging advanced technical skills and a deep understanding of software engineering principles, leads and contributes to creating robust, scalable, and efficient applications that align with our strategic goals. This role involves writing and reviewing code, as well as architecting solutions that meet current and future business needs, ensuring that Software Solutions supports the overall Domain vision. In addition to technical expertise, the Tech Lead is crucial in fostering a culture of continuous improvement and Engineering excellence. By leading by example and providing support, this role helps build a robust and cohesive team capable of tackling complex challenges and delivering high-quality software products. The Tech Lead is pivotal to the development team’s success through: Working with stakeholders to guide delivery Coaching and mentoring their people Hand‑on coding at least 50% of the time Be a champion for and drive best‑practice engineering Driving and shaping technical implementation The Off‑Network team is responsible for Domain Group’s digital marketing innovation, powering the next generation of property advertising beyond our own platforms. We are the engine behind Domain’s off‑network products. Think high‑impact campaigns on Facebook, Instagram, Google, and other leading digital channels. Our mission is to make every off‑network campaign smarter, more transparent, and more effective for our customers. What Success Looks Like A cohesive and consistent user experience across all products, even under Drive technical excellence and innovation by building scalable, reliable solutions, championing engineering best practices, and continuously improving system health, delivery efficiency, and developer experience. Own delivery and planning across short‑term sprints and long‑term roadmaps, guiding solution design, feature development, deployment, and hypercare. Provide people leadership and mentorship, supporting performance, career development, and growth of engineers while building strong product and domain understanding. Collaborate and manage stakeholders by partnering closely with Product and Design, and aligning with broader business and technology teams to deliver against roadmaps and OKRs. Ensure operational excellence through incident response, on‑call support, system maintenance, and proactive improvements to reduce incidents over time. Experience Deep expertise in C# / .Net Experience with JavaScript and TypeScript Experience designing global software solutions for scale Experience working with Tech leads to optimise engineering practices and processes Experience working with one of the common Cloud Platforms such as AWS, Azure, and/or GCP Experience implementing DevOps practices and CI/CD Experience working in Agile environments Experience with Microservices architecture Experience with relational and non‑relational DBs Understands shift‑left testing and how to implement it in practice Experience with direct people leadership responsibility, including performance management, coaching and career development. Bonus: Familiar with Cloud Design patterns Familiar with TDD, BDD and Domain Driven design Familiar with modern Application Security Practices (OWASP) Familiar with Document and Relational data persistence models Familiar with Functional and Object Oriented programming Social Media APIs integration i.e. Meta and Google Degree in Computer Science / Software Engineering related field Why join us? We’re the kind of place you can make a real impact, with a workplace culture where you can be you. It’s a fun, safe space where you’ll always feel you belong. Perks of the role include: Hybrid working; First‑rate parental leave; Continuous opportunities to leap, learn and grow in a team that values creativity and innovation; We don’t just talk, we do. Every day we solve property problems for Australians and beyond. We encourage our people to see the possibilities, and turn them into realities. What’s next? We'll give your application the thoughtful attention it deserves and get back to you as soon as possible. If there's a match, one of our recruitment consultants will reach out so keep your phone handy We're genuinely excited about the chance to work together and make a meaningful impact. 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 #J-18808-Ljbffr