About this role

CoStar Group is seeking a Senior Software Engineer to design, build, and maintain scalable, cloud-native solutions on AWS using C#/.NET. This role emphasizes leveraging AI tools like Claude to accelerate development and improve code quality, with a hybrid work schedule of 4 days onsite and 1 day remote.

What we are looking for

6

Design, build, and maintain production applications using C# and .NET
Leverage AI tools like Claude for code generation and analysis
Build and operate cloud-based solutions on AWS
Collaborate with product, architecture, and engineering teams
Improve application performance, scalability, and reliability
Mentor engineers and contribute to engineering best practices

Skills mentioned

3

AWSTerraformCI/CD

Work authorization

No visa sponsorship is available.
Must be authorized to work without sponsorship.