Machine Learning Scientist III

Key Skills

Java Programming, Python Programming, SQL, A/B Testing, Keras software library, NumPy, Pandas, PyTorch, SciPy, TensorFlow, Scikit-learn, matplotlib, SPARK Programming

Job Description

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Machine Learning Scientist III - 12 month FTC

Are you up for your next challenge where you can really flex your skills in Data Science and Machine Learning? Would you like to work in the fast-paced, traveller focused and data-rich world of travel technology, and power travel for millions of people?

If you are passionate in using Data Science and ML to build data powered products, tackle ambitious problems and are seeking a high-profile role in which you’ll be able to directly impact millions of our customers and partners around the world, this could be the role for you!

Our team focuses on Personalisation and Recommendations across all Expedia Group brands such as Expedia.com, Hotels.com and Vrbo.

We help millions of travellers worldwide having a more personalised experience by creating algorithms for Traveler Intent prediction, filter ranking and Customer Experience AI. We’re also responsible for Recommendations algorithms including properties, destinations, cars and activities to help our travellers finding their dream holiday more quickly.

This key role involves building ML algorithms to solve high-impact, sophisticated problems using cutting-edge technology and approaches while working in a diverse team. You will also mentor the team and help ensure the timely delivery of key projects.

What you'll do:

• Build, deploy and optimise ML models for traveller intent prediction, filter ranking, customer experience AI, relevance and recommendations
• Mentor and provide technical support to more junior members of the team
• Work in close partnership with Product, Data and Technology teams to identify new opportunities and ensure that key projects that are carried out in the team are delivered in a timely fashion
• Develop a deep understanding of our data and ML infrastructure and champion infrastructure development needs which will help the whole team work more effectively

Who you are:

• MSc or PhD degree in: ML or Computer Science, computer vision, mathematics, or a science field with strong data/ML component; or Equivalent related professional experience
• 2+ years hands on experience with ML in a commercial environment, building datasets, selecting and engineering features, building and optimizing algorithms
• Experience in several of the following domains: Recommender Systems, Deep Learning, Learn-to-Rank, Regression, Classification, Clustering
• Experience with ML packages such as TensorFlow, PyTorch, Keras, Python (scikit-learn, pandas, numpy, scipy, Matplotlib), Spark MLlib, etc
• Experience with distributed data on Spark, Hadoop or similar platform highly preferred
• Good data manipulation skills required including cleaning and managing data
• Good programming practices, ability to write readable, fast code
• Intellectual curiosity and desire to learn new things, techniques and technologies

Nice to have:

• Knowledge of test design, implementation and evaluation, with website A/B testing experience a plus
• Experience with data visualization tools and packages