Lead Software Engineer, CoStar Suite

CoStar Group

Confirmed live today High trust
Hybrid

Quick summary

Work type
Hybrid
Location
Arlington, VA
Salary
$145,000–$222,000 / yr
Employment
Full-time
Posted
5 days ago
Freshness
Confirmed live today

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $178k
This role $184k
$121k $233k
below market most similar roles pay here above market

This role pays more than 50% of similar roles. Most pay $142,450–$214,500 — the blue band above. At the midpoint, this role pays about $184k versus about $178k for comparable roles.

Based on 240 similar postings.

Employer

About CoStar Group

CoStar Group is the leading provider of commercial real estate information, analytics, and online marketplaces, including CoStar, Apartments.com, and LoopNet platforms. Industry: Commercial Real Estate Data & Analytics

CoStar Group currently has 59 open roles on FindRole.

Listed pay typically runs $133,000–$190,000 across 59 roles with salary data.

Most-posted roles

View all roles at CoStar Group

At a glance

TL;DR · Lead Software Engineer, CoStar Suite

Lead Software Engineer- CoStar Suite- Arlington, VA will lead the development of a greenfield, enterprise-scale web application infused with AI. This role involves architecting scalable, resilient distributed systems, defining service boundaries, and establishing cross-team API standards. The engineer will build high-performance applications using React, Node.js, Tailwind, TypeScript, C#, .Net, OpenSearch, Kafka, SQL, and NoSQL. Key responsibilities include managing cloud-native services across Azure, AWS, and GCP, while optimizing for observability and developer productivity. The position requires establishing AI-first engineering practices, including vibe coding, human-in-the-loop debugging, and automated test generation. The work focuses on creating intelligent applications for the commercial real estate industry, requiring a deep understanding of the business model and the ability to mentor developers while managing large enterprise codebases.

What you'll do

  • Architect scalable, resilient distributed systems including service boundaries, data contracts, and cross-team API standards.
  • Build high-performance web applications using React, Node.js, and Tailwind.
  • Deploy and manage cloud-native services, containers, and microservices across Azure, AWS, or GCP.
  • Develop AI-powered product experiences and build agents using modern AI patterns.
  • Establish AI-first engineering practices including automated code generation, testing, and "vibe coding" workflows.
  • Mentor developers on team upskilling, lifecycle redefinition, and building technical consensus.
  • Evaluate emerging technologies to identify trends and best practices for the enterprise technology platform.

What we're looking for

  • Bachelor’s Degree from an accredited, not for profit, in-person university or college.
  • 8+ years of production development experience in modern technologies like React, Vue, TypeScript, NodeJS, C#, .Net, OpenSearch, Kafka, SQL, and NoSQL.
  • Demonstrable track record of building and launching successful products and platforms.
  • Experience designing for high availability, horizontal scalability, and production observability at enterprise scale.
  • Experience with cloud technologies like AWS and Cloud Managed Services.
  • Experience in Agile/Scrum processes and Continuous delivery practices.
  • Experience in unit, performance, and automation testing.
  • Experience managing a large Enterprise level code base, code quality, and dependencies (preferred).

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