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Senior Software Engineer; C#​/.NET - Hybrid in Arlington

CoStar Group, Inc.
Full TimeseniorHybrid
Arlington, Virginia, US$80k – $100kPosted February 27, 2026

Job Description

Position: Senior Software Engineer (C#/.NET) - Hybrid in Arlington

A leading real estate data company is seeking a Senior Software Engineer to join their Platform Development team in Arlington, VA. This role involves building large, distributed systems that serve millions of users. Ideal candidates should have over 5 years of experience with C# and .NET Framework, along with a strong understanding of cloud-based platforms like AWS or Azure. The position offers a hybrid work model with in-office days from Monday to Thursday, fostering innovation while supporting real estate technology advancements.

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