Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and implement cutting-edge recommender systems to enhance user experiences.
- Company: Join Viator, a leading travel marketplace under Tripadvisor.
- Benefits: Enjoy competitive pay, flexible work options, and generous travel perks.
- Why this job: Make a real impact in the travel industry with innovative AI solutions.
- Qualifications: 5+ years in data science with strong AI/ML skills and coding experience.
- Other info: Collaborative culture with opportunities for mentorship and career growth.
The predicted salary is between 48000 - 72000 ÂŁ per year.
About Viator
Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. And with 300,000+ travel experiences to explore—everything from simple tours to extreme adventures (and all the niche, interesting stuff in between)—making memories that will last a lifetime has never been easier.
Perks of Working at Viator
- Competitive compensation packages, including base salary and annual bonus.
- “Work your way” with flexibility to suit your lifestyle.
- Flexible schedule. Work-life balance is ingrained in our culture by design.
- Donation matching. We match qualifying charitable donations annually.
- Tuition assistance. Receive annual support for qualified programs.
- Lifestyle benefit. An annual benefit to spend on yourself.
- Travel perks. We provide discounts and more.
- Employee assistance program. Resources and programs to help you through life’s challenges.
- Health benefits. Great coverage and competitive premiums.
Our Values
- We aspire to lead.
- We’re relentlessly curious.
- We’re better together.
- We serve our customers, always.
- We strive for better, not perfect.
- Our workplace is for everyone.
You will work on:
- The Recommender Systems group is tasked with delivering highly relevant, personalised product ranking and recommendations to users across the entire Viator product.
- Further improving our product rankings with state of the art approaches.
- Get to work on a variety of Recsys modalities using a modern tech stack.
- Design, code, experiment and implement models and algorithms to enhance customer satisfaction.
- Collaborate with product managers and various business stakeholders.
- Investigate and adopt innovative concepts that offer tangible benefits.
To be successful in the role, you'll need:
- 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.
- Awareness of current ML techniques.
- Strong skills in SQL and at least one programming language.
- Experience in deploying online solutions and analysing real-time results through A/B testing.
- Passionate about mentoring junior members of the team.
- Leadership qualities, autonomy, and team collaboration skills.
- Clear communication skills and proactive sharing of findings.
Desired qualifications:
- Master's or PhD in Computer Science, Operations Research, Statistics, or related quantitative disciplines.
- Knowledge in 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.
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.
Senior Machine Learning Scientist (Recommender Systems) - Viator in City of London employer: TripAdvisor LLC
Contact Detail:
TripAdvisor LLC Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Machine Learning Scientist (Recommender Systems) - Viator in City of London
✨Tip Number 1
Network like a pro! Reach out to people in the industry, especially those at Viator. A friendly chat can open doors that applications alone can't.
✨Tip Number 2
Show off your skills! Prepare a portfolio or a project that highlights your experience with recommender systems. This is your chance to shine and demonstrate what you can bring to the table.
✨Tip Number 3
Ace the interview! Research common questions for machine learning roles and practice your responses. Be ready to discuss your past projects and how they relate to Viator's goals.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are genuinely interested in joining our team.
We think you need these skills to ace Senior Machine Learning Scientist (Recommender Systems) - Viator in City of London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Machine Learning Scientist role. Highlight your experience with recommender systems and any relevant projects you've worked on. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to tell us why you're passionate about travel and how your background in AI/ML can contribute to our mission at Viator. Keep it engaging and personal – we love a good story!
Showcase Your Projects: If you've worked on any interesting projects, especially those involving recommendation systems or machine learning, make sure to mention them. We’re keen to see your hands-on experience and how you’ve tackled real-world challenges.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us that you’re genuinely interested in joining our team at Viator!
How to prepare for a job interview at TripAdvisor LLC
✨Know Your Stuff
Make sure you brush up on your knowledge of AI, ML, and DL, especially as it relates to recommender systems. Be ready to discuss your hands-on experience and any specific projects you've worked on that showcase your skills in these areas.
✨Showcase Your Problem-Solving Skills
Prepare to talk about real-world data challenges you've faced and how you approached solving them. Viator values curiosity and innovation, so think of examples where you went beyond the usual methods to find a solution.
✨Collaboration is Key
Since you'll be working with product managers and various stakeholders, be ready to discuss how you've successfully collaborated in the past. Highlight your communication skills and any experiences where you had to explain complex ideas simply.
✨Be Ready for Technical Questions
Expect some technical questions related to SQL and programming languages. Brush up on your coding skills and be prepared to discuss your approach to code reviews and model deployments, as these are crucial for the role.
