Machine Learning Scientist III

Expedia Expedia · Hospitality · Bangalore, India

Machine Learning Scientist III at Expedia Group focused on developing and implementing advanced ML models, particularly LLMs and NLP techniques, for marketing content optimization and personalized traveler experiences. The role involves processing large datasets, exploring text and image domains, designing experiments, and collaborating with cross-functional teams. Experience with production LLMs and statistical algorithms is required.

What you'd actually do

  1. Develop and implement advanced machine learning models (including Large Language Models) and statistical algorithms, processing massive datasets to build scalable prototypes.
  2. Explore new content opportunities in text and image domains to create personalized traveler experiences with high business impact.
  3. Design and run experiments (A/B testing, multi-variate, factorial design, stratified sampling) to measure the effectiveness of campaigns and new initiatives.
  4. Collaborate with cross-functional teams, including Machine Learning Science, Marketing, and Engineering, and present findings to executives and stakeholders to drive strategic decisions.
  5. Contribute to the success of Expedia's ML community by mentoring team members, fostering a collaborative culture, and sharing best practices with other ML teams.

Skills

Required

  • Python
  • Java
  • R
  • NLP
  • LLMs
  • Bayesian Methods
  • Clustering
  • Decision Trees
  • Latent Dirichlet Allocation
  • NER
  • Random Forests
  • A/B testing
  • multi-variate testing
  • factorial design
  • stratified sampling

Nice to have

  • Master’s Degree or PhD
  • image domain

What the JD emphasized

  • end to end ownership
  • applications of machine learning
  • advanced machine learning models
  • LLMs
  • NLP techniques
  • LLMs in production

Other signals

  • Develop and implement advanced machine learning models (including Large Language Models)
  • Explore new content opportunities in text and image domains
  • Proven experience applying NLP techniques and LLMs in production