Senior Software Engineer

Expedia Group
London

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 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.

About the team:

Expedia Group Advertising is redefining how travel brands connect with global audiences. Our Publishing Team owns the end-to-end delivery of display and travel ads across Expedia’s white-label and partner platforms. We’re building the next generation of video ad infrastructure , AI-powered tooling , and Rapid API integrations to deliver smarter, more engaging ad experiences.

In this role, you will:

  • Design, implement, and evolve high-quality software services and components, including system design, low-level design, API design, and data modeling to support scalable, reliable products.

  • Lead end-to-end delivery of complex technical features across services or domains, including requirements clarification, solution design, development, testing, deployment, and ongoing operational support.

  • Collaborate closely with product, architecture, and cross-functional engineering teams to define technical direction, align on standards, and ensure solutions meet business and customer needs.

  • Improve the reliability, performance, security, and observability of services through robust engineering practices, including code reviews, automated testing, CI/CD, and production monitoring.

  • Mentor and support other engineers through technical guidance, design reviews, and knowledge sharing, helping to raise the overall technical bar across the team and adjacent teams.

  • Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products in alignment with Expedia Group standards.

Minimum Qualifications:

  • Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.

  • Professional software engineering experience that includes ownership of significant services or components within a multi-service or domain environment.

  • Proven proficiency in designing and building backend or full-stack systems, including RESTful or similar APIs, data models, and integration patterns using industry-standard languages, frameworks, and tooling.

  • Experience applying sound software engineering practices such as object-oriented or functional design, automated testing, code review, source control, and continuous integration/continuous delivery for production systems.

  • Hands-on experience supporting services in production, including monitoring, troubleshooting, and resolving issues to maintain availability and performance, with familiarity using or integrating AI-driven tools in development or operations workflows.

Preferred Qualifications:

  • Experience designing and evolving distributed, high-traffic or large-scale systems, including making architectural tradeoffs related to performance, reliability, and cost within a service or domain.

  • Demonstrated leadership in driving technical design for complex initiatives, such as defining APIs, data contracts, and low-level designs that are extensible and maintainable across multiple services or teams.

  • Strong focus on operational excellence, including building observability, resiliency patterns, and automation into services, and using data and metrics to guide technical decisions and continuous improvement.

  • Familiarity 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 customer or business outcomes.

  • Experience serving as a technical mentor or lead for projects, enabling cross-team collaboration, guiding implementation quality, and contributing to or influencing engineering standards and best practices.

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 recognized for award-winning culture by organizations like 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.
Posted 2026-03-06

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