Mobile Engineering Intern - 2027 - London

Location: UK - London

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.

By joining the Expedia Group 2027 Global Summer Internship Program as a Mobile Engineering Intern you’ll fully integrate into our inclusive community and gain a well-rounded experience of life at Expedia Group. Our global program offers an exciting opportunity to contribute to business-critical projects by developing your skills through tailored learning and training, providing ongoing support, and offering insightful intern-specific events to build knowledge and community. We’re building a more open world. Join us.

Internship Program Highlights

Start strong from day one: Your first week is designed to help you build connections, settle in quickly, and get set up for success through cohort orientation, support, and structured onboarding.

Learn the skills that matter: You will take part in role-specific technical and professional skills learning, delivered through a mix of in-person and virtual sessions, to help you build confidence and capability from the start.

Work on meaningful projects: Interns join Expedia Group teams and contribute to real business priorities and workstreams. At the end of the internship, you will showcase your work to team members and senior leaders.

Grow beyond your day job: Our Learning Series includes interactive workshops focused on professional development and workplace skills, with topics such as personal branding, communication, and presentation skills.

Gain exposure to leaders: Through our Leadership Series, interns take part in exclusive events with Travel Leadership Team leaders to hear about their career journeys, learn more about the business, and ask questions directly.

Build your network and community: You will join an intern cohort and take part in regular social events designed to help you build relationships, experience Expedia Group culture, and have fun along the way.

Receive dedicated mentorship: Every intern is paired with a mentor to support development, learning, and career exploration throughout the program, while also helping expand your network across Expedia Group.

Feel supported throughout the experience: Interns receive ongoing coaching and guidance from managers, team navigators, and a dedicated Emerging Talent & Careers contact, so there is always a strong support system in place.

In this role you will

At Expedia, we develop next-generation technologies for which we have become world-renowned, and through which we are revolutionizing travel. We use top technology talent to innovate and build state of the art mobile and web applications. As a Mobile Engineer at Expedia, you will design and implement high-volume, fault-tolerant, scalable solutions. You will work with the team to design, implement and iterate on features quickly and efficiently.  We’re looking for an engineer to work on mobile applications used by hundreds of thousands of our travelers and partners around the world and localized to multiple   languages.   Our   engineers   are   involved   in   every   aspect   of   the application lifecycle. We release our apps to production multiple times per month and measure how our applications perform, so we can keep improving our features and our underlying platform. This is a unique opportunity to join the largest online travel company in the world and help shape the future of our work.

Design, develop, and test mobile application components and services under the guidance of more experienced engineers, contributing to well-scoped features and improvements across iOS and/or Android platforms.

Implement clean, maintainable mobile code using standard software engineering practices, including unit testing, code reviews, and basic debugging, while following platform and framework best practices.

Participate in low-level system design, API design, and data modeling for assigned mobile features, learning how to translate product and UX requirements into performant, reliable technical solutions.

Collaborate with peers, mentors, designers, and cross-functional partners to understand requirements, break down work into incremental deliverables, and ensure a high-quality mobile user experience.

Apply fundamental data structures, algorithms, and problem-solving techniques to improve mobile app quality, performance, and reliability, including basic monitoring and issue resolution.

Learn to work with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products, including safely integrating and operating AI/ML‑enabled solutions that improve outcomes within defined guidance and scope.

Minimum Qualifications

Must be available to commit to the full program dates: 21st June – 27th August 2027

Must be graduating with an undergraduate or master’s degree in a technical subject (e.g. Computer Science, Information Technology) between December 2027 and July 2028

Must be willing to relocate to the city of the job location if outside commuting distance and be graduating from a university in the same country as the internship location.

Must have no more than 2 years of professional experience in a similar role.

Preferred Qualifications

Helpful to be familiar with basic concepts of automated tests

Helpful to have knowledge of data structures, algorit