Principal Mobile Engineer

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 organisational boundaries to drive change as needed to increase productivity

Proficient in interactions, transitions, animations, and motion behaviours

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

Skillsets :

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