Senior Software Engineer (C#/.NET/React) 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. As a CoStar Software Engineer on the Data Automation team, you will play a key role in expanding the data platform that supports all of CoStar Group's largest brands including, CoStar Suite, LoopNet and Homes.com. You will deeply understand what drives the business for which you are building software. We firmly believe that what separates a good developer from a great one is a deep understanding of the business that they are supporting. This position is located in Richmond, VA and the work schedule will be 4 days onsite with 1 day remote. Responsibilities Build big, distributed, API-driven systems for tens of thousands of users Produce bullet-proof code that is robust, efficient and maintainable; our primary tools are React JS, C#, .NET Framework, AWS (Dynamo/S3/Lambda), SQL Server Drive and lead software design, development standards, code reviews. Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar's technology platform and develop practices. Qualifications Bachelor's Degree 4+ years of experience in React JS, JavaScript 4+ years of experience in C#, .NET Framework & Web API 2.0 Development 3+ years of experience in MS SQL Server OR Database Design in T-SQL programming/performance tuning Experience in architecting, designing and building large scale distributed, services-oriented systems and web applications in an agile environment Data modeling experience Preferred Qualifications Strong communication skills (to both business and technical partners) Knowledge of cloud platforms (Azure or AWS) Advanced SQL Querying Data modeling experience from conceptual, logical and physical designs Experience with RESTful web services What's in it for you? 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 you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, tuition reimbursement, and an inter-office exchange program. Our benefits package includes (but is not limited to): Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug, Life, legal, and supplementary insurance, 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, Paid time off, Tuition reimbursement, On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes, Access to CoStar Group's Diversity, Equity, & Inclusion Employee Resource Groups, Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position. CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing