Senior Machine Learning Scientist (Recommender Systems)

Summary

Join Viator, a Tripadvisor company, and become a key member of the Recommender Systems group, focusing on enhancing product ranking and recommendations. You will leverage cutting-edge AI/ML/DL techniques to improve customer satisfaction, increase supplier value, and optimize business results. This role involves designing, coding, and implementing models and algorithms, collaborating with product managers and stakeholders, and investigating innovative concepts. The position offers a flexible work arrangement, allowing for remote work or a hybrid on-site/remote approach in the UK, Poland, or Portugal. Viator provides a competitive compensation package, including a base salary, annual bonus, and various benefits.

Requirements

• 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
• Clear communication skills, awareness of the audience, and proactive sharing of findings. Actively involved in business networking and able to communicate complex ideas across the business simply and effectively

Responsibilities

• Get to work on a variety of Recsys modalities using a modern tech stack with a freedom to explore modelling approaches to find the optimal solution
• Design, code, experiment and implement models and algorithms to enhance customer satisfaction, increase supplier value, optimize business results, and ensure infrastructure efficiency
• Collaborate with product managers and various business stakeholders to ensure top-quality outcomes to meet internal objectives
• Investigate and adopt innovative concepts that offer tangible benefits

Preferred Qualifications

• 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

Benefits

• Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonus
• ���Work your way” with flexibility to suit your lifestyle. 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. Trust and accountability make it work
• Donation matching. Give back? Give more! We match qualifying charitable donations annually
• Tuition assistance. Want to level up your career? We love to hear it! Receive annual support for qualified programs
• Lifestyle benefit. An annual benefit to spend on yourself. 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
• Health benefits. We offer great coverage and competitive premiums