Software Engineer II, Data Management
About The Position
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. CoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. Successful candidates will demonstrate a willingness to learn, adopt, and apply AI technologies responsibly to solve complex business and engineering challenges. This position is located in Richmond, VA and the work schedule will be 4 days onsite with 1 day remote.
Requirements
- Bachelor’s Degree from an accredited, not for profit, in person university or college
- 4+ years of full stack software development experience building web applications using React.js, JavaScript, C#, .NET Framework/Web API 2.0, and relational databases (Microsoft SQL Server and/or PostgreSQL), including database design, SQL development, and performance tuning.
- Experience in designing and building large-scale distributed, services-oriented systems and web applications in an agile environment
- Understanding of AI technologies and hands-on experience leveraging AI tooling in development (Claude Code, GitHub Copilot, Cursor, Gemini, Grok).
- Data modeling experience
- Familiarity with large language models (LLMs), prompt engineering, or agent-based architectures.
- Experience working with monitoring, telemetry, observability, or automated diagnostics platforms.
- Understanding of data quality principles, data governance concepts, and data-centric application design.
- Track record of commitment to prior employers
Nice To Haves
- Strong communication skills (to both business and technical partners)
- Knowledge of cloud platforms (Azure or AWS)
- Advanced SQL Querying
- Experience with RESTful web services
- Data modeling experience from conceptual, logical, and physical designs.
- Experience implementing AI agents, workflow automation platforms, or intelligent search solutions.
- Experience applying AI-assisted software development practices to improve engineering productivity and code quality.
- Experience leveraging ML technologies in production systems (Azure Machine Learning, AWS SageMaker, etc.)
- Experience implementing LLM technologies into production systems (Azure AI Foundry, AWS Bedrock, etc.)
Responsibilities
- Build big, distributed, API-driven systems for tens of thousands of users
- Design and implement AI-powered software solutions that enhance the customer experience, improve platform intelligence, and unlock new product capabilities across CoStar brands.
- Build and integrate AI skills, agents, tools, and intelligent workflows into internal systems and customer-facing applications.
- Utilize AI models to enhance monitoring, replayability, observability, and diagnostic capabilities to improve system reliability, accelerate problem resolution, and reduce operational risk.
- Implement telemetry-driven solutions that proactively identify anomalies, performance bottlenecks, and potential customer-impacting issues.
- Build intelligent automation solutions that streamline research workflows, improve information discovery, and increase operational efficiency across business functions.
- Collaborate with Product, Research, and Data teams to identify opportunities where AI-driven automation can create business value and improve decision-making.
- 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 strength CoStar’s technology platform and develop practices.
Benefits
- Generous compensation and performance-based incentives
- Internal training
- Tuition reimbursement
- Inter-office exchange program
- 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
- 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 Employee Resource Groups
- Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
