Mobile Engineer II (Android)

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 the 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.

Expedia Global Payments (EGP) is looking for top engineering talent to help drive the development of our payment platform, seamlessly roll out new payment methods, and continuously improve on our operational excellence and engineering practices. We offer a highly dynamic set of services that enable customers from all over the world to pay for travel in a variety of ways. We build, operate, and improve payment services for Expedia Group's brands, our suppliers (hoteliers, airlines, vacation rental owners/agencies, etc.), and our corporate needs. We do this accurately and at scale, processing over $100 billion payments in 55+ currencies in over 155 countries every year, and across a diverse set of payment options! This opportunity presents great technical challenges and the ability to have a tremendous business impact.

This position is focused on building the native payment experience for Expedia brands where you’ll work on exciting new features that make the payment experience seamless for users—adding new forms of payment, new capabilities, improving the current experience, monitoring and improving page performance, building alerting and monitoring for key metrics, and expanding the native payment experience to support multiple lines of business and points of sale.

In this role, you will:

• Deliver high-quality Android features and enhancements using Kotlin, Android SDK, and modern Android frameworks, contributing to customer-facing mobile experiences across multiple product domains.

• Design and implement robust client-side architectures, including clean low-level designs, modular components, and reusable UI patterns that integrate with backend APIs and data models.

• Collaborate with product, design, and backend engineering to define mobile requirements, refine API contracts, and ensure performant, resilient integrations with services and data sources.

• Write reliable, maintainable code with comprehensive unit and instrumentation tests, participate in code reviews, and use metrics and experimentation to validate and iterate on solutions.

• Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.

• Proactively debug, profile, and optimize Android applications for performance, stability, accessibility, and scalability across a wide range of devices and OS versions.

Minimum Qualifications:

• Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.

• 2+ years of relevant professional experience.

• Professional experience developing Android applications using Kotlin and Android SDK, including building and shipping features in production environments.

• Hands-on experience consuming RESTful APIs, working with structured data models, and implementing clean client-side architectures that integrate with multiple services.

• Practical knowledge of Android development tools and practices such as Android Studio, Gradle, version control, automated testing, and continuous integration for mobile apps.

Preferred Qualifications:

• Experience designing scalable Android app architectures, including modularization, clear API boundaries, and patterns that enable reuse across multiple products or domains.

• Track record of improving app performance and reliability through profiling, monitoring, experimentation, and data-driven decision making at scale.

• Exposure to AI/ML capabilities relevant to mobile (such as on-device intelligence, personalized experiences, or AI-assisted workflows) and safely integrating these into user-facing features.

• Familiarity with advanced Android concepts such as offline-first patterns, background processing, security best practices, and accessibility to ensure robust, inclusive experiences.

• Familiarity with AI-driven systems, tools, or workflows used in mobile development, and interest in leveraging emerging AI capabilities to enhance Android user experiences.

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.