Expedia is the global leader in travel. From the practical matters of booking flights, cars, hotels, packages, local activities, or vacation rentals to the realization of dreams and bucket lists, we cover the entire breadth of this deep and varied relationship. We team up with our partners to provide outstanding offers to our customers. Some of our partners are huge brands, and some are individuals with a studio apartment to rent. Our customers are diverse, and we seek to deliver value and a great experience. Our technical challenges are endlessly complex and yet meaningful and exciting.

Expedia Group is seeking a Principal Data Scientist in its conversational AI team. In this role, you will work on unique challenges from both a product and research perspective in the conversational experience space, including Natural Language Understanding, Natural Language Generation, Question & Answering, Dialog Management, etc.

What You'll Do

• You will apply solid coding skills, strong analytical and innovative thinking, AI/ML experience, quickly turn new ideas into working solutions, drive proof of concepts and pilots to accelerate the on boarding of new technologies and solutions to solve practical business problems;

• You will conduct research to advance the state-of-the-art in neural networks especially in the context of Dialog Systems and utilize that research to develop and deploy scalable neural network models into production to impact billions of people using Expedia for their travel needs;

• You will adapt machine learning and neural network algorithms for training competitive, state-of-the-art models while make the best use of modern parallel environments (e.g. distributed clusters, GPU);

• You will collaborate across Product Management, Architecture and Engineering teams to provide technical direction and architectural input into product development road maps;

• You will provide technical coaching and mentorship across engineering and architecture teams, cultivating an environment of innovation and collaboration;

• You will grow professionally; be a thought leader; drive innovation throughout Expedia; expand your skills and curiosity; be creative; help others become their best.

Who You Are

• M.S. or Ph.D. in Computer Science or a related engineering or quantitative field (e.g., statistics, mathematics, operation research);

• 8+ years of experience working with real big data in business context;

• Deep expertise in Natural Language Processing;

• Extensive coding expertise in Python, Spark, R, etc.;

• Vast experience in product-facing software development environment; comfortable with software best practices, version control, software reliability, devOps, Agile methodologies, etc.;

• Solid knowledge of Machine Learning techniques such as Bayesian methods, clustering, decision trees, random forests, NLP, etc., with experience in feature selection and engineering, modeling, cleaning and preparing data, data mining, visualization, etc.; excellent grasp of statistical concepts and methods;

• Ability to explain complex concepts in simple terms and work with various business partners to gather and share information, understand issues, evangelize, relate, and reach consensus;

• Passion in solving problems and finding patterns and insights within structured and unstructured data.

Why Join Us

Expedia Group recognizes our success is dependent on the success of our people. We are the world's travel platform, made up of the most knowledgeable, passionate, and creative people in our business. Our brands recognize the power of travel to break down barriers and make people's lives better – that responsibility inspires us to be the place where exceptional people want to do their best work, and to provide them to tools to do so. Whether you're applying to work in engineering or customer support, marketing or lodging supply, at Expedia Group we act as one team, working towards a common goal; to bring the world within reach. We relentlessly strive for better, but not at the cost of the customer. We act with humility and optimism, respecting ideas big and small. We value diversity and voices of all volumes.

 We are a global organization but keep our feet on the ground so we can act fast and stay simple. Our teams also have the chance to give back on a local level and make a difference through our corporate social responsibility program, Expedia Cares. Our family of travel brands includes: Brand Expedia®, Hotels.com®, Expedia® Partner Solutions, Egencia®, trivago®, HomeAway®, Orbitz®, Travelocity®, Wotif®, lastminute.com.au®, ebookers®, CheapTickets®, Hotwire®, Classic Vacations®, Expedia® Media Solutions, CarRentals.com™, Expedia Local Expert®, Expedia® CruiseShipCenters®, SilverRail Technologies, Inc., ALICE and Traveldoo®.

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.

Expedia is committed to creating an inclusive work environment with a diverse workforce.   All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.