Senior Machine Learning Scientist (Recommender Systems) - Viator

London, England, United KingdomViator, a Tripadvisor company, is the leading marketplace for travel experiences. We believethat making memories is what travel is all about. And with 300,000+ travel experiences toexplore—everything from simple tours to extreme adventures (and all the niche, interesting stuffin between)—making memories that will last a lifetime has never been easier. One app, 300,000+ travel experiences you’ll remember.Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonus.-“Viator takes a remote-friendly approach to collaboration across a worldwide team, with the option to join on-site as often as you’d like.- Flexible schedule. Work-life balance is ingrained in our culture by design. Use it on travel, wellness, or whatever suits you.- Travel perks. We believe that travel is employee development, so we provide discounts and more.- Employee assistance program. We’re here for you with resources and programs to help you through life’s challenges.- Tap into your talent, ambition, and knowledge to bring us – and you – to new heights.At Tripadvisor, we want you to bring your unique identities, abilities, and experiences, so we can collectively revolutionize travel and together find the good out there.Collaborate with product managers and various business stakeholders to ensure top-quality outcomes to meet internal objectives.5+ years of hands-on data science experience.- In-depth knowledge of AI/ML/DL, Statistics, and related open-source libraries.- Previous experience of working on industrial grade recommendation systems and ideally familiarity with offline evaluation techniques.- Awareness of current ML techniques, keen on self-improvement and striving to solve real-world data challenges.- Strong skills in SQL and at least one programming language.- To be comfortable in code reviews, discussing architecture, and collaborating with a multidisciplinary team for regular model deployments.- Experience in deploying online solutions and analysing real-time results through A/B testing.- To be passionate about mentoring junior members of the team, and have a strong desire to help us perform to the best of our ability.- Leadership qualities, autonomy, and team collaboration skills.- Actively involved in business networking and able to communicate complex ideas across the business simply and effectively.

Master''s or PhD in Computer Science, Operations Research, Statistics, or related quantitative disciplines.Knowledge in (any or all) User Modelling, Representation Learning, Large Language Models (LLM)Prior experience in e-commerce or at an Online Travel Agency.Job Location:

This role can be on-site hybrid or a remote position in the UK, Poland or Portugal. Occasional travel to company offices as necessary.If you need a reasonable accommodation or support during the application or the recruiting process due to a medical condition or disability, please reach out to your individual recruiter or send an email toAccessibleRecruiting@Tripadvisor.LI-Hybridindicates a required fieldPhone