Software Engineer II - Sales Development
Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 8, 2026. CoStar Group scores B on the Alion truth index.
Job Description
Company Overview
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, 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.
Position Overview
As a Software Engineer II on the Sales Development team, you will be responsible for building software that supports CoStar Group’s sales teams, with a particular focus on high profile AI initiatives. Our team is building AI solutions that prep sales representatives to have well-informed and highly-tailored conversations with prospects and customers. You will help solve real business problems end to end, contributing across the full software development lifecycle from requirements and design through development and production.
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 offers a schedule of Monday to Thursday in office and the option to work from home on Friday.
Responsibilities
- Build customer-facing web applications using React and TypeScript.
- Contribute to design discussions and code reviews, and help keep our engineering standards high.
- Build AI-powered capabilities, such as agents, skills, and tools, that streamline workflows for our sales teams.
- Partner with Product, Sales, and Data teams to turn real business problems into shipped solutions.
- Use AI-assisted development and testing to deliver quickly while owning the quality and reliability of what you ship.
Basic Qualifications
- Bachelor’s Degree required from an accredited, not-for-profit, in-person college / university
- 3+ years of professional software development experience using modern engineering practices, including Git and CI/CD.
- Experience building web applications and RESTful APIs using C#/.NET and React/TypeScript.
- Experience working with relational and/or search-based data platforms, such as SQL Server and OpenSearch, including data modeling and query optimization.
- Exposure to AI-assisted development or AI-powered applications, including tools and technologies such as AI coding assistants, large language models (LLMs), or prompt engineering.
- A track record of commitment to prior employers
Preferred Qualifications and Skills
- Strong communication skills with both business and technical partners
- Familiarity with AWS services such as Lambda, DynamoDB, and SQS
- Experience implementing AI agents, workflow automation platforms, or intelligent search solutions
- Experience with CRM or sales-facing products
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 and tuition reimbursement.
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)
- Access to CoStar Group’s 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.
Base Compensation: $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.
CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing