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Job Details

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Principal Mobile Engineer

The Growth and Loyalty technology organization is responsible for three distinct areas of Expedia Group Traveler Experiences. Growth, which is focused on bringing engaged users into our brands with relevant and intelligent experiences. This includes all landing pages, including homepage and dateless product details pages, the Search Form and Navigation experiences as well as the home screen and notification strategies on the app. Discovery and Personalisation, which are our platform capabilities for personalization, incentives and recommendations. Identity and Loyalty Experiences, focused on the sign in/up, profile experiences as well as all the loyalty related experiences across the traveller journey.

This puts us at the heart of Expedia Groups strategy, driving growth through smart traffic acquisition, driving customers to sign in, increase loyalty program membership, while ensuring contextual, personalized and cohesive experience for all platforms, and brands.

As a Principal Mobile Engineer within this organization, you will be pivotal to our ambition of having a best-in-class mobile app experience, crafting solutions and providing technical leadership to engineering teams across these areas while contributing to the more foundational elements of the Mobile platform.

What you will do:

  • Establish relationships with leaders across the organization to understand and address business problems through the lens of technology.

  • Advocate crafting stable, scalable, resilient, composable and extendable software solutions.

  • Guide and mentor individuals when evaluating the impact of a solution to ensure linkages between structure, people, process and technology.

  • Support EG technologists in communities of practice and provide stewardship to the teams.

  • Keep up with industry practices and develop methods to implement them for our ecosystem.

  • Go beyond organization structures to deliver on technology and architectural initiatives that span the whole traveler and partner experience.

  • Work directly with other architects to ensure delivery of a cohesive developer and customer experience across all platforms.

  • Possess a recognized ability to fill in for peer engineering director as the need arises in setting technical next steps in co-ordination with engineering management.

  • Develop north star vision for domains in which you are focused on

Who you are:

  • Bachelor's degree in a related technical field, or equivalent experience

  • Have a strong UX Software Engineering experience

  • Experienced in standard software engineering practices & methodologies enabling the full software development process, including establishing coding standards, code reviews, source control management, build processes and testing

  • Possess a strong understanding of business need, help us translate vague business requirements to solutions, and lead their execution

  • Understand systems being crafted across Expedia Group and how our business units can integrate with them

  • Strong understanding of best practices around experimentation, analytics and observability so that large problems can be solved iteratively. Like us, you care deeply about customers, and are open to a continuous feedback loop: We ship. We learn. We improve. We change! · You also care about our developers and their experience working with the platform. Engage with them, gather feedback and work across organizational boundaries to drive change as needed to increase productivity.

  • Proficient in interactions, transitions, animations, and motion behaviors.

  • Proficient with layout and screen flow, and crafting apps for accessibility

  • Hard-working and influential individual contributor, who sets an example, mentors colleagues, and is hands-on where needed

  • Communicates and collaborates with technical and non-technical leadership within EG, across many subject areas


  • Experience with end-to-end developing and publishing multiple native apps, preferably across platforms

  • Well versed in API technologies, understanding of Server Driven UI approaches, API-first design methodologies, including GraphQL

  • Strong grasp of object-oriented concepts, client/server architecture, high-performant design

  • Conversant with Kotlin/Java and Swift/ObjC, Android Studio/Jetbrains IDE and Xcode

  • Ability to evaluate trade-offs of memory, power, connectivity, performance, and other constraints in embedded systems

  • Hands on experience building native UX with modern declarative systems: Jetpack Compose/Flow and SwiftUI/Combine, can have a preference to a platform but navigates both

  • Practices Test Driven Development, and has experience with testing frameworks

  • Familiarity with Continuous Development/Integration tools like Github Actions, Spinnaker

  • Deep understanding of MVVM and other design patterns e.g., SOLID, and how to create testable and debuggable code

  • Experience working with multi-module projects, shared libraries

  • Previous experience building adaptable, ML powered experiences desirable

The total cash range for this position in Austin is $221,000 to $309,500. Employees in this role have the potential to increase their pay up to $353,500, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

The total cash range for this position in Chicago is $202,500 to $283,500. Employees in this role have the potential to increase their pay up to $324,000, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

The total cash range for this position in Seattle is $221,000.00 to $309,500.00. Employees in this role have the potential to increase their pay up to $353,500.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.

Expedia Group is proud to offer a wide range of benefits to support employees and their families, including medical/dental/vision, paid time off, and an Employee Assistance Program. To fuel each employee’s passion for travel, we offer a wellness & travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership.View our full list of benefits.

About Expedia Group

Expedia Group (NASDAQ: EXPE) powers travel for everyone, everywhere through our global platform. Driven by the core belief that travel is a force for good, we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success, while facilitating memorable experiences for travelers. Expedia Group's family of brands includes: Brand Expedia®, Hotels.com®, Expedia® Partner Solutions, Vrbo®, trivago®, Orbitz®, Travelocity®, Hotwire®, Wotif®, ebookers®, CheapTickets®, Expedia Group™ Media Solutions, Expedia Local Expert®, CarRentals.com™, and Expedia Cruises™.

© 2021 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals to whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.

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, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.
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Principal Mobile Engineer
I'm Interested