CoStar Group - Senior Software Engineer (Front-End/React)

Austin, TX US
SQL Azure CSS JavaScript TypeScript HTML C# .NET Git React ASP.NET
Description - Senior Software Engineer (Front-End/React)


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. 

CoStar is the owner of Lands of America, Land and Farm, Land Watch and 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.

CoStar is currently seeking a full-time Senior Software Engineer in our Austin, TX office where you will be responsible for designing, developing, and troubleshooting high performance and high availability web applications that drive the growth of our Land business unit. 

This position is located in Austin, Texas and offers the following hybrid schedule of 3 days onsite and 2 days remote per week.


  • Analyze technical requirements and design new components, web pages and controls to meet functional, performance and availability requirements.

  • Design ASP.NET Core MVC based applications using React, Typescript, HTML5, CSS, and JavaScript that are highly performant, maintainable and reusable.

  • Design and develop using software design patterns to attain high reusability and maintainability.

  • 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.

  • Develop database performant queries and SQL scripts.

  • Maintain and support existing products.

Basic Qualifications

  • Bachelor's degree from an accredited, not-for-profit university or college

  • Track record of commitment to prior employers

  • 5+ years of software development experience in a production environment

  • Demonstrated knowledge of JavaScript ES6 or Typescript or HTML5/CSS

  • Experience working within an Agile team environment

  • Demonstrated knowledge of SOLID principals and design patterns

  • Working knowledge of C#, .NET Development

Preferred Qualifications

  • Demonstrated knowledge of SQL and performant query development

  • Experience with software testing (Unit, Integration, Functional, Performance)

  • Experience with Visual Studio or Azure DevOps or Git

  • Ability to clearly communicate thoughts and ideas within and across teams

  • Ability to work well with other developers and management

  • Ability to juggle priorities and work with minimal supervision or assistance to complete tasks

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, tuition reimbursement, and an inter-office exchange program.

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), with yoga studio, Pelotons, personal training, group exercise classes

  • Access to CoStar Group’s Diversity, Equity, & Inclusion 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

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