Senior Software Engineer (C#/.NET/AWS)

CoStar Group, a leading provider of real estate information and analytics listed on NASDAQ (CSGP), is seeking a Senior Software Engineer to join their Product Data Services team. This role offers an exciting opportunity to work on backend services that power major brands like Apartments.com, Homes.com, and CoStar.

The position is based in La Jolla, San Diego, with a hybrid work arrangement (4 days onsite, 1 day remote). As a Senior Software Engineer, you'll be responsible for building distributed, API-driven systems that serve tens of thousands of users, using technologies like C#, .NET Framework, SQL Server, and AWS.

The role requires 5+ years of .NET development experience and strong expertise in database design and T-SQL programming. You'll be working on solving problems of scale, consistency, and performance, making a tangible impact on thousands of end users across multiple major real estate platforms.

CoStar Group offers a competitive compensation package with a base salary range of $124,000 – $211,000, plus comprehensive benefits including healthcare coverage, 401(k) matching, stock purchase plan, and various wellness perks. The company maintains a collaborative and innovative culture, investing in employee growth through training and tuition reimbursement programs.

This is an excellent opportunity for a senior developer who wants to work on large-scale, mission-critical applications while contributing to the digital transformation of the real estate industry. The role offers both technical challenges and leadership opportunities, including mentoring other developers and driving software design standards.