Senior Software Engineer (C#/SQL)

Senior Software Engineer (C#/SQL)

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Job Description

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Senior Software Engineer 

 

Job Description 

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 and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.  

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.  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.  We continue that effort today and are always working to improve and drive innovation.  This is how we deliver for our customers, our employees, and investors.  By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.    

We are seeking an accomplished Senior Full-Stack Software Engineer who excels at designing and architecting modern web applications. This engineer would support our Web Enterprise team in building the software tools that power our proprietary CRM platform and support our sales and research teams across Homes.com, Costar.com, Apartments.com, LoopNet.com, and more. 

 

This position is located in our Richmond, VA office and offers a schedule of Monday-Thursday in office and Friday remote.  

 

Responsibilities 

• Lead technical discussions and make critical architectural decisions aligned with business goals. 

• Design, develop, and maintain robust and scalable applications using the Microsoft .NET technology stack (.NET Core, ASP.NET Core, C#, MSSQL). 

• Implement and optimize SQL queries, stored procedures, and database schemas for performance. 

• Implement solutions using modern architecture paradigms including microservices, domain-driven design (DDD), and event-driven systems. 

• Guide teams in adopting best practices in .NET Core, C# and SQL. 

• Ensure adherence to SOLID principles, design patterns, and clean coding standards. 

• Develop proof-of-concepts (POCs) to evaluate new tools and frameworks. 

• Collaborate with cross-functional teams, participate in code reviews, and mentor junior developers. 

• Analyze business requirements and translate them into technical designs and development-ready specifications. 

• Apply secure coding practices, including integration of OAuth, OpenID Connect, and other authentication/authorization frameworks. 

• Use Git, TFS, Azure DevOps, and CI/CD pipelines for version control and deployment. 

• Participate in Agile/Scrum ceremonies and contribute to incremental delivery and continuous improvement. 

 

Qualifications 

• Bachelor’s Degree required from an accredited, not for profit university or college