CoStar Group Sr. Software Developer in San Francisco, California

Sr. Software Developer

Job Description

Are you passionate about web and mobile web application development? Are you a “can do” person with a drive to get things done? Are you constantly pushing yourself to learn new technologies to build better, faster and more efficient code? Then CoStar is the place for you. Everyone at CoStar is deeply committed to delivering high-performing applications that serve our customers’ needs. We are THE leading data and marketing services provider to the commercial real estate and business for sale industries. Every day customers use our data and marketplace products to make multi-million dollar investment decisions. We are growing rapidly and searching for a Software Engineer in our Business-for-Sale division. Are you up for the challenge?


You will be an integral part of our Business-for-Sale engineering team located in San Francisco, CA. You will work closely with our experienced, talented, and geographically-distributed team of engineers and architects to develop new web based products and features for our Business-for-Sale projects.

You will be responsible for full lifecycle software development required to build well-designed, testable, efficient, and high performance code. You will also be required to troubleshoot and debug our current code where necessary.


  • 8+ years of experience with consumer facing web development, including HTML5, JavaScript, and CSS3
  • Expert knowledge on client side development and experience in building responsive and single page applications using either Angular or React
  • Proficiency in web-based technologies, preferably Microsoft development tools, especially C#, ASP.NET, SQL Server, and IIS
  • Experience with MySQL is a plus
  • Strong analytical and problem solving skills
  • Ability to prioritize and multi-task while working well with a team
  • Ability to mentor and lead Software Engineers during development
  • BS degree in computer science or related field is required

More about the Business-for-Sale division of CoStar Group

The Business-for-Sale division of CoStar includes the leading internet listing service (ILS) marketplaces in the small business sector. and (#1 and #2, respectively, in their industry) – serve entrepreneurs, small business owners, business brokers and franchisors in the exciting business-for-sale market where owners realize the value of what they’ve built and entrepreneurs find the right business to fulfill their professional dreams.

CoStar Group, Inc. (NASDAQ - CSGP) – is commercial real estate's leading provider of information, marketing and analytic services. For more information, visit


CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

  • Posted 3 Days Ago
  • Full time
  • R18167