Description
CoStar Group is hiring a Senior Full Stack Engineer for its Platform Development team in Arlington, Virginia. The role builds distributed, API-driven systems and customer-facing web applications using TypeScript, C#, .NET, SQL Server, AWS, and React, while integrating AI agents, workflows, monitoring, observability, and diagnostic capabilities. The position requires a bachelor’s degree, at least three years of .NET development experience, three years of React experience, five years of TypeScript experience, and familiarity with infrastructure as code, cloud platforms, large-scale distributed systems, and data quality. The role is in the office Monday through Thursday with work from home on Friday, offers a base salary of $143,000 to $187,000 annually, and does not provide visa sponsorship.
