Senior Application Security Engineer

CoStar Realty Information, Inc.
📍 Sydney, Australia, Australia 💼 Full-time 🕒 Posted February 21, 2026

Job Description

Senior Application Security Engineer







Job Description











**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 work...

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Job Details

  • Location Sydney, Australia
  • Job Type Full-time
  • Category other-general
  • Posted Date February 21, 2026
  • Application Deadline March 26, 2026