Software Engineer II: AI-Driven .NET Web Apps; Remote
Austin, Travis County, Texas, 78716, USA
Listed on 2026-05-28
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Software Development
Software Engineer, Full Stack Developer
- 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.
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.
About
CoStar is the owner of , Land Watch, Land and Farm, and Acre Value and is the leading operator of online marketplaces that support the sale and purchase of farms, ranches, country homes, and rural land. Our customers include real-estate brokers, real-estate agents, owners, and investors who need internet listing services and information to help them sell/purchase properties and track competitive trends.
About the Role:
The Land team is seeking a full-time Software Engineer to develop and maintain new systems and implement improvements to existing systems and processes. As an ideal candidate, you will have multiple years of experience developing and maintaining highly performant web applications that will be beneficial in driving the growth of our Land business unit.
This 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.
Responsibilities:
- 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 tool 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
Basic Qualifications:
- Bachelor’s degree in Computer Science or related field from an accredited, not-for-profit, in-person college/university
- A track record of commitment to prior employers.
- 3+ years of development experience in 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
Preferred Qualifications:
- 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.
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…
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