Android Engineer; Kotlin

- Android Engineer (Kotlin)

is the nation’s #1 rental marketplace for property owners, managers, and renters, reaching millions of users every month. Our platform powers the industry’s most comprehensive digital ecosystem—helping property professionals market their listings, manage reputation, and attract high-quality renters through innovative technology and data‑driven insights. We’re seeking an accomplished Android Engineer to join our growing mobile development team in Irvine, CA.

In this role, you’ll have a direct impact on building brand new features and enhancing the  mobile experience used by millions of renters nationwide.

You’ll work at the intersection of innovation and scale, using the latest Android technologies to create fast, intuitive, and beautiful experiences that help renters find their next home effortlessly. As part of a collaborative Agile team, you’ll design and develop high‑quality Android applications using Kotlin, Jetpack Compose, and modern architectural patterns. You’ll collaborate closely with designers, backend engineers, and product managers to deliver clean, maintainable, and performant code.

Your work will help shape the future of ’s mobile ecosystem, driving customer engagement and satisfaction through continuous improvement and experimentation.

• Develop Android applications that scale to reach millions of users.
• Continuously evaluate emerging technologies to identify opportunities, trends, and best practices that can 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 contribute ideas to improve them.
• Collaborate with different teams and other Android developers to exchange new ideas and improvements.

• 4+ years of experience developing Android applications.
• Bachelor’s Degree required from an accredited, not‑for‑profit, in‑person college/university.
• Track record of commitment to prior employers.
• Expertise in Android (Java, Kotlin, Android SDK, Android Studio, Layout Editor).
• Strong understanding of Object‑Oriented Programming and design patterns, including MVC, MVVM, and Dependency Injection.

• Passion for mobile applications and delivering engaging user experiences.
• Ability to translate ideas and code into an optimal customer experience.

This position offers a base salary range of $98,000–$164,000, based on relevant skills and experience, plus a generous benefits plan.

• 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 (location dependent) with yoga studio, Peloton, 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.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug‑free workplace and perform pre‑employment substance abuse testing. CoStar Group (NASDAQ: CSGP) 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 is also committed to compliance 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  as a result of your disability. You can request reasonable accommodations by calling or by sending an email to