Senior Software Engineer

Sorry, this job was removed at 02:11 a.m. (CST) on Saturday, Aug 23, 2025
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2 Locations
In-Office
176K-187K Annually
Information Technology • Real Estate • Analytics
The Role
Senior Software Engineer


Job Description


CoStar Realty Information, Inc. seeks a Senior Software Engineer to identify and solve the causes of software problems using C#, relational data, and non-relational data. Design, develop, implement, and maintain high-performance, reliable APIs that deliver data to different tiers of CoStar’s applications on a daily basis. Leverage experience with Microsoft technology stack, including C#, SQL Server, Visual Studio, and Azure DevOps, to build highly scalable services. Explore emerging technologies to identify opportunities, trends, and best practices that can be used to strengthen CoStar’s technology platform and development practices. #LI-DNI

Position requires a Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related STEM field, followed by 5 years of progressively responsible experience with software design, development, testing, and implementation. Experience must include a minimum of: 5 years of experience with C# and .NET Framework; 5 years of experience with SQL and No-SQL data stores; 5 years of experience with RESTful APIs; 5 years of experience with relational data models; 5 years of experience with Agile/Scrum processes; and 5 years of experience with caching, eventing, messaging, and queuing technologies. Part-time telecommuting may be permitted.

Job location: Irvine, CA. RATE OF PAY: $176,134.00 - $187,000.00 per year. To apply, please visit https://www.costargroup.com/careers and enter Job Code R36610 when prompted.  Alternatively, please send your résumé, cover letter, and a copy of the ad to: CoStar, Attn: I. Anderson, CoStar, 17600 Laguna Canyon Road, Irvine, CA 92618.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing.


CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

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The Company
Arlington, VA
6,500 Employees
Year Founded: 1987

What We Do

CoStar Group (NASDAQ: CSGP) is the provider of commercial real estate information, analytics and marketing services.

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