Senior Machine Learning Scientist

Summary

Join Viator, a Tripadvisor company, and become a key member of the Representation Learning team. You will work on embedding latent representations of entities across the platform, tackling challenges like embedding entities to understand user behavior. Your responsibilities include developing knowledge graph embeddings, auto-encoders, and attention mechanisms. You will design, code, and implement models to enhance customer satisfaction and optimize business results. Collaboration with product managers and stakeholders is crucial. This remote role (UK, Poland, or Portugal) offers competitive compensation, flexible scheduling, 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
• 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 Knowledge Graph Embeddings, Auto-Encoders, Attention etc to enable representing Users and Experiences in a common latent space with application across multiple downstream tasks like Search, Ranking, Notifications etc
• 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, RecSys,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, annual bonus, and equity
• ���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
• Donation matching
• Tuition assistance
• 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
• Health benefits. We offer great coverage and competitive premiums