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Senior Software Engineer - AI-Driven Cloud; C#​/AWS

Job in Irvine, Orange County, California, 92713, USA
Listing for: CoStar Group
Full Time position Listed on 2026-11-13
Job specializations:
Salary/Wage Range or Industry Benchmark: 124000 - 187000 USD Yearly USD 124000.00 187000.00 YEAR

Job Description & How to Apply Below

Position: Senior Software Engineer - AI-Driven Cloud (C#/AWS)

CoStar Group’s Loop Net brand in Irvine, CA seeks a Senior Software Engineer with deep expertise in C#/.NET, AWS, and AI coding tools to build scalable backend systems across  and other brands. You will contribute to architecture decisions and mentor engineers while delivering high-quality software.

This role is hybrid with four days onsite and one day remote. A Bachelor's degree and 6+ years of experience required; strong API design, testing, and backend knowledge.

The Senior Software Engineer - AI-Driven Cloud (C#/AWS) role at CoStar Group is now open for applications in Irvine, CA, United States.

We would love to welcome a new Senior Software Engineer - AI-Driven Cloud (C#/AWS) to our organisation in Irvine, CA, United States.

For the Senior Software Engineer - AI-Driven Cloud (C#/AWS) position at CoStar Group, we are reviewing applications now.

Position Requirements

10+ Years work experience
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