National AI Awards 2025Discover AI's trailblazers! Join us to celebrate innovation and nominate industry leaders.

Nominate & Attend

Director, Machine Learning Science - Recommendations & Relevance...

Expedia, Inc.
London
1 day ago
Create job alert

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.

Introduction to the team

Private Label Solutions (PLS) is the B2B powerhouse within Expedia Group, delivering cutting-edge travel technology and distribution solutions to a diverse global partner network. Our partners span financial institutions, corporate travel managers, offline travel agencies, and global travel suppliers—including major airlines.

We are seeking a visionary Director of Machine Learning Science to lead our Recommendations and Relevance team within Private Label Solutions (PLS), Expedia Group's Business-to-business (B2B) division. As a global leader in B2B travel technology, PLS serves thousands of partners across diverse markets and travel segments. This role will tackle the unique challenge of recommending optimal travel products for our partners' diverse traveler base.

In this pivotal role, you'll spearhead the creation and evolution of cutting-edge Machine Learning and AI solutions, enhancing our partners' user experiences and optimising their product offerings. As we refine our existing capabilities and ambitiously expand into new business areas, you'll have a unique opportunity to define the future of ML at PLS. We're looking for a leader who thrives on large-scale challenges, can guide a talented full-stack ML team, coach people managers within their organisation, and is committed to delivering exceptional products. Your work will be instrumental in driving growth for our partners, PLS, and Expedia Group as a whole.

In this role you will:

  • Lead and inspire a cross functional, full stack team of Machine Learning Scientists and Machine Learning Engineers fostering personal growth and creating accountability.
  • Develop and execute a comprehensive strategy for applying advanced ML techniques to the recommendations and relevance space that is aligned with business strategy.
  • Collaborate with cross-functional teams to identify high-impact opportunities for enhancing partner recommendations and relevance using AI & ML technologies.
  • Work with your peers to identify and develop common capabilities that can improve efficiency across domains.
  • Oversee the development, maintenance and operation of scalable ML infrastructure and pipelines.
  • Stay at the forefront of relevant advancements in machine learning and drive innovation by encouraging your team to explore and implementing novel approaches.
  • Effectively communicate complex technical concepts and project outcomes to both technical and non-technical stakeholders.
  • Establish best-in-class development practices, guidelines, and processes within your team.

    Experience and Qualifications:

  • 10+ years for Master's (7+ years for PhD) experience in applied machine learning with at least 4 years in a leadership/management role
  • Ph.D. or master’s degree in computer science, Machine Learning, Information Retrieval, Mathematics/Statistics or another related field of science.
  • Depth of expertise and experience in developing and deploying to production machine learning models for recommendations, personalisation, or search relevance.
  • Comprehensive knowledge of machine learning algorithms, particularly in ranking and recommendation systems, coupled with the agility to rapidly grasp and apply emerging techniques.
  • Proven track record of leading and mentoring high-performing technical teams
  • Excellent communication and interpersonal skills, with the ability to collaborate effectively across departments
  • Strong project management and organisational skills
  • Proficiency in programming languages such as Python, Java, or Scala, and experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn
  • Experience with large-scale distributed systems and big data technologies (e.g., Spark, Hadoop, Kafka)

    #LI-SJ2

    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.
    #J-18808-Ljbffr

Related Jobs

View all jobs

Director, Machine Learning Science - Recommendations & Relevance

Director, Machine Learning Science - Recommendations & Relevance

Western Europe Practice Head - Data Science (Machine Learning/Artificial Intelligence (ML/AI) (Basé à London)

Western Europe Practice Head - Data Science (Machine Learning/Artificial Intelligence (ML/AI)

Associate Director, Data Science & AI Initiative (Basé à London)

Associate Director, Data Science & AI Initiative (Basé à London)

National AI Awards 2025

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

AI Jobs Salary Calculator 2025: Work Out Your Market Value in Seconds

Why your 2024 salary data is already outdated “Am I being paid what I’m worth?” It is the question that creeps in whenever you update your CV, see a former colleague announce a punchy pay rise on LinkedIn, or notice a recruiter slide into your inbox with a role that looks eerily similar to your current one—only advertised at £20k more. Artificial intelligence moves faster than any other hiring market. New frameworks are open‑sourced overnight, venture capital floods specific niches without warning, & entire job titles—Prompt Engineer, LLM Ops Specialist—appear in the time it takes most industries to schedule a meeting. In that environment, salary guides published only a year ago already look like historical curiosities. To give AI professionals an up‑to‑the‑minute benchmark, ArtificialIntelligenceJobs.co.uk has built a simple yet powerful salary‑calculation formula. By combining three variables—role, UK region, & seniority—you can estimate a realistic 2025 salary band in less than a minute. This article explains that formula, unpacks the latest trends driving pay, & offers concrete steps to boost your personal market value over the next 90 days.

How to Present AI Models to Non-Technical Audiences: A Public Speaking Guide for Job Seekers

In today’s competitive job market, AI professionals are expected to do more than just build brilliant algorithms—they must also explain them clearly to stakeholders who may have no technical background. Whether you're applying for a role as a machine learning engineer, data scientist, or AI consultant, your ability to articulate complex models in simple terms is fast becoming one of the most valued soft skills in interviews and on the job. This guide will help you master the art of public speaking for AI roles, offering tips on structuring presentations, designing effective slides, and using storytelling to make your work resonate with any audience.

AI Jobs UK 2025: 50 Companies Hiring Now

Bookmark this guide – we refresh it every quarter so you always know who’s really scaling their artificial‑intelligence teams. Artificial intelligence hiring has roared back in 2025. The UK’s boosted National AI Strategy funding, record‑breaking private investment (£18.1 billion so far) & a fresh wave of generative‑AI product launches mean employers are jockeying for data scientists, ML engineers, MLOps specialists, AI product managers, prompt engineers & applied researchers. Below are 50 organisations that have advertised UK‑based AI vacancies in the past eight weeks or formally announced growth plans. They’re grouped into five easy‑scan categories so you can jump straight to the kind of employer – & culture – that suits you. For each company you’ll find: Main UK hub Example live or recent vacancy Why it’s worth a look (tech stack, culture, mission) Use the internal links to browse current vacancies on ArtificialIntelligenceJobs.co.uk – or set up a free job alert so fresh roles land in your inbox.