Software Engineer II

- Software Engineer II

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. With over 35 years of experience, we create unique and valuable offerings for our customers, continuously innovating to drive industry standards.

The Land team is seeking a full‑time Software Engineer to develop and maintain new systems and implement improvements to existing systems and processes. The position is located in Austin, TX and offers a schedule of Monday to Thursday in the office and the option to work from home on Friday.

• Maintain and improve existing systems
• Develop and maintain database design and SQL scripts
• Apply software design patterns, sound quality management methods, tools, and techniques to create and support defect‑free application software that meets the needs of the organization with high reusability and maintainability
• Leverage AI‑Assisted development tools to accelerate implementation, refactoring, and test creation, while ensuring correctness, security, and maintainability through strong engineering judgment
• Write thorough unit tests to ensure the quality of the software you own

• Bachelor’s degree in Computer Science or related field from an accredited, not‑for‑profit, in‑person college/university
• 3+ years of development experience in a production environment
• Strong proficiency using C#, .NET Development
• Deep understanding and experience using SQL
• Experience with software testing (Unit, Integration, Functional, Performance)
• String grasp of AI‑assisted coding tools (e.g., Microsoft CoPilot or similar) to improve developer productivity
• Experience working within an Agile team environment
• Understanding and knowledge of SOLID principles and design patterns
• Ability to clearly communicate thoughts and ideas within and across teams
• Ability to work well with other developers and management

• Experience with Visual Studio, SSMS, and Azure Dev Ops or Git
• Experience with AWS and Open Search/Elasticsearch
• Experience architecting systems using C#, .NET Development

• 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 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.