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EX
Expedia

Principal Android Engineer - Search and Recommendations Experience

LocationUK - London
Work modeon-site
Typefull-time
DepartmentEngineering
Company size10,000+ people
First seen1w ago
Last seen3d ago
About the company
At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.
Here, you’ll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.
Introduction to Team
Our Technology Team partners with teams across Expedia Group to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction
This Principal Android Engineer sits within the Search and Recommendations Experience team which owns the end-to-end search and recommendations experience, including search entry, results, maps, filters, and recommendations across multiple lines of business such as lodging, cars, activities, flights and packages. In this role, you will provide technical leadership for native search and discovery experiences, setting architectural direction, influencing engineering standards, and shaping the evolution of AI-enabled capabilities across the mobile platform.
In this role, you will:
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Architect, design, and deliver advanced Android mobile solutions, ensuring scalability, performance, and maintainability across Expedia Group’s travel platforms.
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Lead technical direction for multi-service and cross-domain initiatives, influencing architectural decisions and setting coding standards.
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Develop system designs, low-level designs (LLD), robust APIs, and data models that support seamless integration with internal and external services.
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Mentor and guide mobile engineers across teams, fostering technical excellence, code quality, and knowledge sharing.
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Safely integrate and operate AI/ML-enabled solutions that improve mobile user experiences and business outcomes.
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Collaborate with product, design, and engineering stakeholders to deliver innovative mobile features and drive technical strategy across the organization.
Minimum Qualifications:
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Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.
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12+ years of relevant professional experience.
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Proven expertise in designing and delivering complex Android mobile applications at scale, including system and API design.
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Extensive experience leading architecture and technical direction for multi-service, cross-domain, or organizational mobile initiatives.
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Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.
Preferred Qualifications:
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Strong proficiency in Kotlin
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Advanced proficiency with Jetpack components/Jetpack Compose, Android UI/UX best practices, and performance optimization
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Deep understanding of Android app architecture patterns (e.g., MVVM, MVI, MVP)
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Prior experience in the search domain or travel industry, such as building or scaling search, discovery in consumer mobile apps.
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Experience establishing technical strategy, best practices, and operational excellence for organizational mobile platforms.
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Advanced knowledge of integrating AI/ML capabilities into mobile products to enhance functionality and user engagement.
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Demonstrated experience collaborating within large, globally dispersed development teams
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Expertise in cross-platform or multi-domain engineering, contributing to broad technical initiatives
Accommodation requests
Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation.
About Expedia Group
Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.
Important notice
Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.
Equal Opportunity
Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.
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