Senior iOS Engineer; SwiftUI

- Senior iOS Engineer (SwiftUI)

CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, 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 continue that effort today and are always working to improve and drive innovation.  is a CoStar Group company with 20+ years’ experience in leading and growing digital marketplaces.

• Develop iOS applications that scale to reach millions of users.
• Continuously evaluate emerging technologies to identify opportunities, trends, and best practices that can be used to strengthen CoStar’s technology platform and development practices.
• Work with the team to create user interface layouts for customers and interfaces to backend web services.
• Design and develop systems and libraries that are highly reusable and maintainable.
• Understand CoStar’s product architecture and frameworks and bring ideas to the table.
• Collaborate with different teams and other iOS developers to exchange new ideas and improvements.

• Bachelor’s Degree required from an accredited, not for profit university or college.
• 5+ years’ experience in developing iOS applications.
• Expert in Objective C, SwiftUI/Swift, Cocoa Framework, XCode IDE, and Interface Builder, with a strong interest in learning and sharing skills.
• Proficient with common object‑oriented programming and design patterns, MVC, MVVM, Dependency Injection, and more.
• A track record of commitment to prior employers.

• Loves mobile applications and knows how to make them engaging.
• Can turn ideas and code into a perfect customer experience.

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 generous compensation and performance-based incentives, professional and academic growth opportunities, and a comprehensive benefits package.

• Comprehensive healthcare coverage:
  Medical / Vision / Dental / Prescription Drug.
• Life, legal, and supplementary insurance.
• Virtual and in‑person mental health counseling services for individuals and families.
• 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), including yoga studio, Peloton, 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.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug‑free workplace and perform pre‑employment substance abuse testing. CoStar Group is committed to creating a diverse environment and is proud to be an equal opportunity workplace and affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

CoStar Group also complies with all fair employment practices regarding citizenship and immigration status. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access  You can request reasonable accommodations by sending an email to re