Mobile Engineer III - Android

Traveltechessentialist; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading travel technology company in London is seeking an experienced Mobile Engineer III - Android to enhance their design systems and contribute to user-centric solutions. This role requires 5+ years of experience in software development, strong Kotlin skills, and the ability to collaborate effectively with design and engineering teams. Comprehensive benefits and a commitment to a diverse work culture are offered.

Benefits

Exciting travel perks

Generous time-off

Parental leave

Flexible work model

Career development resources

Qualifications

• 5+ years of professional software development experience.
• Strong proficiency with Kotlin, Jetpack Compose, and Android Studio.
• Experience writing unit tests and debugging issues.

Responsibilities

• Improve existing systems and lead complex projects.
• Work with UX designers and product managers to enhance user experiences.
• Develop and test software applications to meet design requirements.
• Apply software design principles to write clean and maintainable code.
• Continuously seek new technical skills and share knowledge with the team.

Skills

Kotlin

Jetpack Compose

Android Studio

Unit Testing

User-Centric Design

Tools

Git

Job description

Mobile Engineer III - Android

• United Kingdom - London
• Technology
• Full-Time Regular
• 11/21/2025
• ID # R-99456

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Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.

Why Join Us?

To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and we know that when one of us wins, we all win.

We provide a full benefits package, including exciting travel perks, generous time‑off, parental leave, a flexible work model (with some pretty cool offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.

Expedia Technology teams partner with our Product teams to create innovative products, services, and tools to deliver high‑quality experiences for travellers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalised experiences that drive loyalty and traveller satisfaction.

The Android Engineer III role sits within the Expedia Group Design System (EGDS) team, part of the Expedia Platform Engineering organization. The EGDS team is responsible for maintaining and evolving the Expedia Group Design System and working closely with design and engineering teams across Expedia Group to help deliver high quality experiences and UI patterns for travelers and suppliers.

In this role, you will:

• Apply technical Android engineering knowledge and principles to improve existing systems, lead complex, well defined projects and advocate for the value engineers can add to the design lifecycle.
• Proactively team up with UX designers, engineers, and product managers across Expedia Group to build an understanding of cross dependencies and identify and develop solutions for new and improved user experiences and interactions.
• Develop and test complex or non‑routine software applications and related programs and procedures to ensure they meet design requirements.
• Apply software design principles, data structures, design patterns and computer science fundamentals to write code that is clean, maintainable, optimised and modular with good naming conventions.
• Continually seek new technical skills in an engineering area and share new skills and knowledge with others on the team to increase effectiveness.
• Compile and report on major operational or technical initiatives (like Root Cause Analysis) to larger groups via written and/or oral means.
• Develop prototypes to impact strategy, not just execution and advise on technical limitations.

Required Qualifications:

• 5+ years of professional software development experience.
• Strong proficiency with Kotlin, Jetpack Compose, and Android Studio.
• Experience writing unit tests, creating testable code, and debugging issues using monitoring tools.
• A track record of successful collaboration with designers and engineers to create accessible and user‑centric solutions.

Preferred Qualifications:

• Experience contributing to a design system and helping others understand the value a design system provides.
• Experience implementing sophisticated UI interactions, animations, and transitions on Android.
• Solid understanding of Android app design patterns such as MVC, MVVM, or MVP.
• A dedication to knowledge sharing and continuous personal skill development.
• Proficiency with version control systems, such as Git.

Accommodation requests

If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognised for award‑winning culture by organisations such as Forbes, TIME, Disability:IN, and others.

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™. © 2024 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 with 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, religion, gender, sexual orientation, national origin, disability or age.