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TripAdvisor Australia Cover

Machine Learning Scientist- Mid-Level

TripAdvisor Australia
London, UK Full Time Negotiable Sep 17, 2026

About the Job

The Tripadvisor Group Machine Learning Team is looking for an experienced individual to join a dynamic and fast-paced team to help support our Marketing efforts. As an ML II Scientist, you will apply your modeling skills to a wide variety of problem spaces including, but not limited to bidding for online advertising...

Tripadvisor Group comprises Tripadvisor, the world's leading travel information site, and Viator, the leading marketplace for travel experiences.. The ML Team creates systems that influence the travel decisions of millions of people per day. We apply cutting edge machine learning techniques to a wide variety of area...

Key Responsibilities

Tripadvisor Group comprises Tripadvisor, the world's leading travel information site, and Viator, the leading marketplace for travel experiences.. The ML Team creates systems that influence the travel decisions of millions of people per day. We apply cutting edge machine learning techniques to a wide variety of areas. To ensure continued success, Tripadvisor promotes a culture of personal development, including social activities, journal clubs, memberships in online learning resources, and participation in industry conferences. Have a great time while shaping the future of travel!
 
We are looking for someone who is independent, curious, and motivated, who likes discussing ideas and will bring something new to the table. You will be working in a diverse environment where you’ll collaborate with a broad multidisciplinary team of data scientists, analysts, software engineers, and product managers. You’ll be encouraged to take ownership of your projects and to find new opportunities and problems where machine learning could be applied to improve the business. 
Use machine learning models to solve a variety of core business problems across marketing.
Seek out new opportunities to apply data science and machine learning in the marketing space across all channels (e.g.,paid, organic, search, demand creation, affiliates, CRM…)
Automate ETL pipelines
Prototype, evaluate, deploy and maintain new ML models in production
Design AB tests and analyze their results
Discover new ways to analyze and interpret the data
Communicate progress and interpretation of experimental results to technical and business stakeholders

 

Required Skills & Abilities

Team player
Loves to learn
Great communication skills with both technical and non-technical partners
Gets things done on time and on specification
Genuinely interested in AI — you've played with AI tools yourself, and you're excited to grow your skills in that space rather than waiting for it to be handed to you

 
PhD or Masters in Computer Science, Engineering, Statistics, or related field preferred (or masters with 2+ years of practical experience)
Knowledge of AB test design and analysis
Strong background in machine learning and statistics
Solid foundation on data structures and algorithms
Proficiency in Python for numerical/statistical programming (our group relies heavily on Numpy/Pandas/Scikit-learn)
Ability to interpret and write complex SQL queries
Experience with big data technologies, such as Hive and Spark
Track record of leading the deployment and maintenance of models
Hands-on experience with AI-powered tools 

 
 
We strive to create an accessible and inclusive experience for all candidates. If you need a

Qualifications

Education: Postgraduate

Apply now

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