Machine Learning Scientist II

Machine Learning Scientist II – Expedia Group B2B

We are looking for a Machine Learning Scientist II to join the Expedia Group B2B Machine Learning Science team. In this role, you will build end‑to‑end ML solutions for personalized recommendations, learning to rank, and relevance optimization, driving substantial value for our partners and Expedia Group.

• Develop and implement ML models for recommendations and relevance at scale that can handle high-throughput, low-latency personalized recommendations across diverse partner segments.
• Contribute to building and enhancing end-to-end ML solutions, from data preprocessing to production deployment.
• Design and run A/B tests and experiments to continuously improve algorithm performance.
• Stay current with the latest ML techniques and contribute to the team’s technical capabilities.
• Collaborate with cross‑functional teams to translate business needs into technical solutions.
• Communicate methodologies and results clearly to both technical and non-technical audiences and deploy models across the tech stack.

• Ph.D. (preferred) or master’s degree in computer science, machine learning, mathematics/statistics, or another related field.
• 2 years of industry experience in applying ML to real‑world problems (desirable but not required).
• Proficiency in Python, with experience using PySpark and common machine learning libraries and frameworks such as scikit‑learn, Tensor Flow, and Keras.
• Familiarity with big data technologies (e.g., Hadoop, Spark) and cloud computing platforms (AWS, GCP).
• Solid understanding of common machine learning algorithms.
• Knowledge of statistics and probability theory.
• Excellent problem‑solving skills and ability to learn new concepts quickly.
• Strong communication skills and ability to explain complex technical concepts to non‑technical stakeholders.
• Enthusiasm for tackling challenging problems and contributing to innovative solutions.

If you need assistance with any part of the application or recruiting process due to a disability or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request.

Expedia Group is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.