Senior Full Stack Software Development Engineer in 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.

The team: As a Fullstack engineer in the Product Experience team, you will be responsible for building and maintaining our high-availability, high-transactional Property Detail Pages on the app. You will be part of a multi-functional team of Product Managers, TPMs, Engineering Managers, and Software Engineers based in Gurgaon, Bangalore, London, and Madrid. We prioritise building high-quality software with a focus on availability, performance, scalability, and system resiliency. Our London team is looking for curious, empathetic, and creative problem solvers with a growth mindset. We value our team culture and work together from the office three times a week.

In this role, you will:

• Design, build, and maintain robust full stack applications and scalable services across multiple domains, applying deep technical expertise and architectural skills.
• Lead the end-to-end development process, including system design, API design, and data modelling, ensuring quality and maintainability of solutions.
• Collaborate across engineering, product, and business teams to define requirements, deliver impactful features, and drive technology strategy.
• Mentor and guide engineers, fostering best practices in coding, testing, and operational excellence within and across teams.
• Safely integrate and operate AI/ML-enabled solutions to improve business and customer outcomes, ensuring secure and ethical adoption.
• Demonstrate adaptability by contributing to projects spanning different technical stacks, domains, and platforms.

Minimum Qualifications:

• Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.
• 8+ years of relevant professional experience.
• Strong engineering skills and curiosity to push what’s possible with modern tech, regardless of stack.
• Ability to break down complex problems and ship simple, innovative solutions with a cross‑functional team.
• Proven experience building scalable, user‑centric products that power great user experiences.
• Clear, concise communication skills, translating technical details for both technical and non‑technical audiences.
• Growth‑minded and data‑driven, always learning, experimenting, and raising the bar for how we build products and experiences.
• Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.

Preferred Qualifications:

• Hands‑on experience with multiple system architectures (e.g. microservices, event‑driven, composable) and the ability to evaluate and communicate the trade‑offs between them for scale, reliability, and speed of delivery.
• Hands-on experience with Kotlin for server side, or/and React and Typescript for the frontend.
• Proven track record of refactoring and modernising legacy codebases and architectures, improving performance and maintainability while minimising risk and customer impact.
• Track record of integrating and optimizing AI/ML-enabled features or workflows within production systems.

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.

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.

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.

Summary Location: UK - London Type: Full time