Principal ML Scientist — Travel Discovery & Ranking

tripadvisor; Greater London; Hybrid; GBP 120,000 - 160,000; Full time

Benefits offered by this job

Remote-friendly collaboration

On-site option

Annual bonuses

Tuition assistance

Travel perks

Health benefits

Referral program

Donation matching

Job summary

Tripadvisor is seeking a Principal Machine Learning Scientist to lead the ML strategy for our core discovery engine. You will shape architectures for search, ranking, and recommendations, while mentoring a high-performing team of scientists.

You will bridge cutting-edge AI research with production systems, collaborating with product and engineering leaders to deliver multi-objective business outcomes across a global travel platform.

Qualifications

• 8+ years of industry experience deploying production ML models.
• Experience shipping systems at scale to millions of users.
• PhD or Master's in CS/ML.

Responsibilities

• Lead ML strategy for core discovery engine.
• Design scalable ML architectures for search, ranking, and recommendations.
• Mentor and coach scientists; drive MLOps and A/B testing.

Skills

Leadership

Production ML

Python

TensorFlow

PyTorch

Distributed systems

Education

PhD or MS in CS/ML

Tools

TensorFlow

PyTorch

Spark

Ray

AWS

GCP

Job description

Tripadvisor is seeking a Principal Machine Learning Scientist to lead the ML strategy for our core discovery engine. You will shape architectures for search, ranking, and recommendations, while mentoring a high-performing team of scientists.

You will bridge cutting-edge AI research with production systems, collaborating with product and engineering leaders to deliver multi-objective business outcomes across a global travel platform.