Full Time
Lead Mobile Developer

Job Description

CoStar delivers real-time, verified commercial real estate data that helps clients confidently spot great opportunities and make smart choices ahead of competitors. By combining the power of CoStar’s independent research organization – the industry’s largest – with global data delivery, software, and application solutions, clients can act on opportunities with confidence.

CoStar’s software developers build products that facilitate 86% of commercial real estate transactions in the United States. These transactions range from a small business owner leasing their first office space to a large multi-national buying a new headquarters campus. On any given day our developers are building products that manage nearly a trillion dollars of potential real estate transactions.

Mobile Team Lead

RESPONSIBILITIES (Bullet points outlining top requirements of the role)

  • Lead a team of software developers in building applications and platforms using the Mobile Technologies (Swift, iOS SDK, Android SDK)
  • You will develop applications that scale and reach 30,000+ users per day
  • Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be used to strengthen CoStar’s technology platform and development practices
  • Develop mobile applications for HTML 5, Android devices, iOS Devices.


  • You hold a Bachelor’s degree in computer science or related field (or comparable experience)
  • You are an expert with the following technologies; Swift, Android SDK , iOS SDK, Cocoa Framework, XCode IDE, Interface Builder, Git (for source control), Autolayout (using interface builder and APIs)
  • You have 6 years experience with mission critical, high volume, mobile apps and/or web-based systems
  • You are proficient in writing Unit Tests and/or Test Driven Development (TDD)
  • You consider yourself an expert with Object Oriented Programming and design patterns, MVC, and MVVM


  • Demonstrate excellent analytical and logical thinking as well as problem solving and analytical skills
  • You have knowledge/experience with Android, iOS, Unit Tests and Test Driven Development


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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Lead Mobile Developer