Job Description

Overview

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 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.

Weofferyougenerouscompensationandperformance-basedincentives.CoStarGroupalsoinvestsinyour professionaland academic growth with internal training and tuition reimbursement.

Ourbenefitspackageincludes(butisnotlimitedto):

• Comprehensivehealthcarecoverage: 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)

• Access to CoStar Groups Employee Resource Groups

• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

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: $108,000 - $140,000 annually

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.

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