Senior Full-Stack Engineer - Hybrid (Real Estate Tech)

CoStar Group, Inc. in Irvine, CA, seeks a Senior Software Engineer to join Apartments.com, delivering multi‑brand web applications used by millions.

You will design, implement, test, and optimize full‑stack solutions using C#/.NET and modern front‑end frameworks, while shaping architecture across products. You’ll contribute to an Agile environment, collaborate with cross‑functional teams, and mentor peers, with a hybrid onsite/remote work arrangement in Irvine.