Principal Android Engineer - Search and Recommendations

Principal Android Engineer – Search and Recommendations Experience

We design and build innovative mobile experiences across Expedia Group’s travel platforms. This role leads native Android search and discovery efforts for the Search and Recommendations Experience team.

• Architect, design, and deliver advanced Android mobile solutions, ensuring scalability, performance, and maintainability across Expedia Group’s travel platforms.
• Lead technical direction for multi‑service and cross‑domain initiatives, influencing architectural decisions and setting coding standards.
• Develop system designs, low‑level designs (LLD), robust APIs, and data models that support seamless integration with internal and external services.
• Mentor and guide mobile engineers across teams, fostering technical excellence, code quality, and knowledge sharing.
• Safely integrate and operate AI/ML‑enabled solutions that improve mobile user experiences and business outcomes.
• Collaborate with product, design, and engineering stakeholders to deliver innovative mobile features and drive technical strategy across the organization.

• Bachelor’s degree in Computer Science or a related technical field; or equivalent professional experience.
• 12+ years of relevant professional experience.
• Proven expertise in designing and delivering complex Android mobile applications at scale, including system and API design.

• Strong proficiency in Kotlin.
• Advanced proficiency with Jetpack components/Jetpack Compose, Android UI/UX best practices, and performance optimization.
• Deep understanding of Android app architecture patterns (e.g., MVVM, MVI, MVP).
• Prior experience in the search domain or travel industry, such as building or scaling search, discovery in consumer mobile apps.
• Experience establishing technical strategy, best practices, and operational excellence for organizational mobile platforms.
• Advanced knowledge of integrating AI/ML capabilities into mobile products to enhance functionality and user engagement.
• Demonstrated experience collaborating within large, globally dispersed development teams.
• Expertise in cross‑platform or multi‑domain engineering, contributing to broad technical initiatives.

If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team.

All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.