
Costar Group
Provides commercial real estate data, analytics, and marketing services.
Software Engineer
Build large-scale distributed, API-driven systems using C#, .NET, AWS, and SQL Server
Job Highlights
About the Role
• Build big, distributed, API‑driven systems for tens of thousands of users • Produce robust, efficient, maintainable code using C#, .NET Framework, AWS (Dynamo/S3/Lambda), and SQL Server • Drive and lead software design, development standards, and code reviews • Continually evaluate emerging technologies to improve CoStar’s platform • Architect, design, and build large‑scale distributed, service‑oriented systems and web applications in an agile environment • Data modeling from conceptual, logical, and physical designs
Key Responsibilities
- ▸api systems
- ▸c# development
- ▸aws cloud
- ▸code review
- ▸architecture design
- ▸data modeling
What You Bring
• Bachelor’s degree from an accredited, nonprofit university or college • 3+ years of experience in C# and .NET Framework • 3+ years of experience with MS SQL Server or T‑SQL database design and performance tuning • Data modeling experience • Demonstrated commitment to previous employers • 3+ years of experience in JavaScript, React, C# and .NET Core • Experience with RESTful web services • Familiarity with Postman, Swagger, and API testing best practices • Advanced SQL querying skills • Power BI for advanced reporting and dashboards • Strong communication skills with both business and technical partners • Experience with Databricks for data engineering workflows • Knowledge of cloud platforms such as Azure or AWS
Requirements
- ▸bachelor’s degree
- ▸c#/.net
- ▸sql server
- ▸react
- ▸power bi
- ▸azure
Benefits
This position is located in our Richmond, VA office and offers a schedule of Monday‑Thursday in office and Friday work from home. When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer generous compensation and performance‑based incentives. CoStar Group also invests in your professional and academic growth with internal training and tuition reimbursement. Our benefits package includes comprehensive healthcare coverage, life and legal insurance, mental health counseling, commuter benefits, a 401(k) retirement plan with matching contributions, an employee stock purchase plan, paid time off, tuition reimbursement, on‑site fitness facilities, diversity & inclusion employee resource groups, and complimentary snacks.
Work Environment
Office Full-Time