Software Engineer II, Data Management

Job Description

Overview

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information analytics and online marketplaces. Includedin the S&P 500 Index CoStar Group is on a mission to digitize the worlds real estate empowering all peopletodiscoverpropertiesinsightsand 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 offeringstoour customers. Weve 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 customer 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 Groups largest brands including CoStar Suite LoopNet and . 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 offers a schedule of Monday to Thursday in office and the option to work from home on Friday.

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 areReact 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 CoStars technology platform and develop practices.

Qualifications

• Bachelors Degree from an accredited not for profit in person university or college
• 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 or PostgreSQL programming/performance tuning
• Experience in architecting 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
• Track record of commitment to prior employers

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
• 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.)

Whats in it for you

When you join CoStar Group youll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.

professionaland academic growth with internal training and tuition reimbursement.

Ourbenefitspackageincludes(butisnotlimitedto):

• Comprehensivehealthcarecoverage:Medical/Vision/Dental/PrescriptionDrug

• Lifelegalandsupplementaryinsurance

• Virtualandinpersonmentalhealthcounselingservicesforindividualsandfamily

• Commuterandparkingbenefits

• 401(K)retirementplanwithmatchingcontributions

• Employeestockpurchaseplan

• Paidtimeoff

• Tuitionreimbursement

• On-sitefitnesscenterand/orreimbursedfitnesscentermembershipcosts(locationdependent)

• AccesstoCoStarGroupsEmployeeResourceGroups

• Complimentarygourmetcoffeeteahotchocolatefreshfruitandotherhealthysnacks

The final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors including but not limited to geographic location skills and competencies.

BaseCompensation:$108000 - $140000 annually

We welcome all qualified candidates who are currently eligible to work full-time in the United States to please note that CoStar Group is not able to provide visa sponsorship for this position.

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CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing