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Senior Software Engineer (C#/.NET)

CoStar Group · US-VA Arlington · On-site

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About the role

As a Senior Software Engineer on the Platform Development team, you will play a key role in expanding the data platform that supports all of CoStar Group’s largest brands including CoStar Suite, LoopNet, Homes.com and Apartments.com. You will deeply understand what drives the business for which you are building software. We firmly believe that what separates a good developer from a great one is a deep understanding of the business that they are supporting.

What they're looking for

  • Build big, distributed, API-driven systems for tens of thousands of users
  • Design and implement AI-powered software solutions that enhance the customer experience, improve platform intelligence, and unlock new product capabilities across CoStar brands
  • Build and integrate AI skills, agents, tools, and intelligent workflows into internal systems and customer-facing applications
  • Produce bullet-proof code that is robust, efficient, and maintainable, our primary tools are C#, .NET Framework, SQL Server, AWS
  • Utilize AI models to enhance monitoring, replayability, observability, and diagnostic capabilities to improve system reliability, accelerate problem resolution, and reduce operational risk
  • Implement telemetry-driven solutions that proactively identify anomalies, performance bottlenecks, and potential customer-impacting issues
More about this role

Senior Software Engineer (C#/.NET)

Job Description

Overview

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 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.

As a Senior Software Engineer on the Platform Development team, you will play a key role in expanding the data...

Read the full posting on CoStar Group's site ↗

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