Expedia Group Logo

Expedia Group

Principal Android Engineer - Search and Recommendations Experience

Reposted 3 Days Ago
Be an Early Applicant
Hybrid
London, Greater London, England
Expert/Leader
Hybrid
London, Greater London, England
Expert/Leader
Lead architecture and delivery of scalable Android search and recommendations experiences. Set technical direction, design systems and APIs, integrate AI/ML, mentor mobile engineers, and collaborate with product and design to drive mobile strategy.
The summary above was generated by AI

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:

  • 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.

Minimum Qualifications:

  • Bachelor’s degree in Computer Science or a related technical field; or equivalent related 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.

  • Extensive experience leading architecture and technical direction for multi-service, cross-domain, or organizational mobile initiatives.

  • Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.

Preferred Qualifications:

  • 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

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.

Similar Jobs at Expedia Group

9 Hours Ago
Hybrid
Mid level
Mid level
AdTech • eCommerce • Information Technology • Software • Travel • Generative AI
Own vendor performance, governance, and strategic management for a portfolio supporting Strategic Partnerships & Affiliates. Drive vendor governance, metrics, continuous improvement, automation-enabled transformation, risk mitigation, and cross-functional stakeholder alignment to ensure scalable, compliant, and high-quality service delivery.
3 Days Ago
Hybrid
Entry level
Entry level
AdTech • eCommerce • Information Technology • Software • Travel • Generative AI
Own and grow a portfolio of airline and transport advertising partners across EMEA. Drive new business, revenue growth, pipeline forecasting, and consultative advertising sales. Build senior stakeholder relationships, develop media proposals, collaborate on campaign delivery, represent the company at industry events, and provide market intelligence to improve advertising products and go-to-market strategies.
Top Skills: Co-Op MarketingCRMDigital AdvertisingDisplay AdvertisingProgrammatic AdvertisingSalesforceSponsored Listings
3 Days Ago
Hybrid
Entry level
Entry level
AdTech • eCommerce • Information Technology • Software • Travel • Generative AI
Build, enhance, test, and maintain native Android applications using Kotlin for Expedia Group’s travel brands. Design mobile features, APIs, data models, and integrations with backend services. Apply engineering best practices for reliability, performance, security, accessibility, and continuous delivery. Collaborate with product, design, and engineering teams to deliver customer-focused experiences, operate AI/ML-enabled solutions responsibly, and troubleshoot production issues.
Top Skills: Ai/MlAndroidAndroid StudioAPIsContinuous DeliveryContinuous IntegrationCoroutinesFlowsGradleIntegration TestingJetpackJetpack ComposeKotlinMicroservicesSnapshot TestingUi TestingUnit Testing

What you need to know about the Bristol Tech Scene

Along with Gloucester, Swindon and Bath, Bristol is part of the "Silicon Gorge" tech hub, a region in the U.K. renowned for its high-tech and research-driven industries, with a particular emphasis on sustainability and reducing environmental impact. As the European Green Capital, Bristol is home to 25,000 cleantech companies, including Baker Hughes and unicorn Ovo Energy. The city has committed to achieving net-zero emissions within the next decade.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account