Costar
Senior Software Engineer
US-CA San Diego · Senior · Full-time
Work authorization required$124k-$187kDetected 5 days ago
C#.NETDistributed SystemsBackend DevelopmentCode ReviewGitDynamoDBDatabricksAWSTerraformCI/CDDevOps
About the role
- CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces.
- Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover, insights and connections that improve their businesses and lives.
- We've continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors.
Responsibilities
- Design, build, and maintain production applications using C# and.NET
- Build and operate cloud-based solutions on AWS
- Collaborate with product, architecture, and engineering teams
- Participate in system design, code reviews, and technical decision-making
- Experience building APIs and backend services
- Solid understanding of software design principles
Requirements
- Bachelor's degree required from an accredited, not-for-profit, in-person college/university
- A track record of commitment to prior employers.
- Strong experience with C# and.NET /.NET Core
- Experience with Git-based workflows
Nice to have
- Practical experience using Claude for coding or code review
- Experience with Databricks
- Microservices or distributed systems experience
- CI/CD pipelines and DevOps practices
- Infrastructure-as-Code (Terraform, CloudFormation, CDK)
- Experience with additional AI coding tools
- What's in it for you?
- Life, legal, and supplementary insurance
Compensation
- We offer you generous compensation and performance-based incentives.
Benefits
- Virtual and in person mental health counseling services for individuals and family
- Commuter and parking benefits
- 401(K) retirement plan with matching contributions
- Employee stock purchase plan
- Tuition reimbursement
- On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
Company info
- We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers.
Visa & Work Authorization
- However, please note that CoStar Group is not able to provide visa sponsorship for this position.
This listing is sourced directly from Costar's careers page and normalized into a canonical job model.