Senior Full Stack Engineer
Core
Build distributed API-driven systems and customer-facing web applications for CoStar's real estate data platform, integrating AI agents and workflows to enhance platform intelligence.
Role type
Senior Full Stack Engineer (Platform Development)
Builds
Large-scale distributed systems, web applications, and AI-integrated workflows for CoStar Suite, LoopNet, Homes.com, and Apartments.com.
Domain
Real Estate Information & Analytics
Deliverable
production ML models | product features
Required skills
.NET (C#), TypeScript, React, AWS, TypeScript, SQL Server, Terraform, LLMs, observability tools
Preferred skills
React Router, Effect, Kafka, DynamoDB, SQS, Kubernetes (EKS/ECS), MCP clients/servers, AI-assisted development
Technologies
TypeScript, C#, .NET, SQL Server, AWS, React, Terraform, Datadog, Kafka, DynamoDB, SQS, Kubernetes
Responsibilities
Build big, distributed, API-driven systems; integrate AI skills and intelligent workflows; produce robust, efficient code; build and maintain web applications; utilize AI models for monitoring and diagnostics; drive software design and code review standards; collaborate on AI-driven automation opportunities.
Seniority
Senior, hands-on IC