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Lead Software Engineer- CoStar Suite- Arlington, VA

CoStar Group · US-VA Arlington · On-site

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About the role

As CoStar’s next Lead Software Engineer, you will lead the build of a greenfield, enterprise-scale web application infused with AI , leveraging modern technologies and frontier models. Drive the development of AI-powered product experiences while shaping AI-first engineering workflows that redefine how software is built. This is a high-impact role to architect, innovate, and influence the future of intelligent applications at scale. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • Architect scalable, resilient distributed systems — defining service boundaries, data contracts, and cross-team API standards for an enterprise-scale platform
  • Build responsive, high-performance applications using React, Node.js, Tailwind, etc
  • Work with cloud-native services (Azure/AWS/GCP), containers, and microservices
  • Optimize for performance, observability, and developer productivity
  • Leverage AI Tooling & Automation (CI/Cd, code generation, test generation)
  • Influence and establish AI-first engineering practice (vibe coding, human-in-the-loop, debugging)
More about this role

Lead Software Engineer- CoStar Suite- Arlington, VA

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.

CoStar

CoStar is the global leader in commercial real estate information, analytics and news....

Read the full posting on CoStar Group's site ↗

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