Lead Software Engineer

CoStar Group
📍 Arlington, Virginia, United States 💼 Full time 🕒 Posted March 01, 2026

Job Description

Responsibilities

  • Design and develop high performance web applications used by thousands of users globally

  • Drive continuous improvement by focusing on engineering excellence 

  • Influence CI/CD pipeline improvements

  • Collaborate closely with other Software Engineers across the organization.

  • Mentor junior developers, review code and architecture, and promote software development best practices

  • Continually evaluate emerging technologies to identify opportunities, trends and best practices that can be used to strengthen CoStar’s technology platform and development practices 

  • Develop and maintain an in-depth working knowledge of the CRE Industry and CoStar’s business model / technology

  • Basic Qualifications

  • Bachelor’s Degree required from an accredited, not for profit university or college.

  • A track record of commitment to prior employers 

  • Ready to Apply?

    Submit your application today and join our talented team at CoStar Group.

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    Job Details

    • Location Arlington, Virginia
    • Job Type Full time
    • Category Computer Occupations
    • Posted Date March 01, 2026
    • Application Deadline April 10, 2026