Machine Learning Scientist III

· Remote

Location

Remote

Type

Full Time

Job Description

Machine Learning Scientist III

Reposted An Hour Ago
Be an Early Applicant
2 Locations
Hybrid
138K-239K Annually
Senior level
AdTech • eCommerce • Information Technology • Travel • Generative AI
Powering global travel for everyone everywhere.
The Role
The role involves developing machine learning algorithms to enhance customer experience. Responsibilities include end-to-end ML lifecycle management validating models and collaborating with teams to address complex problems.
Summary Generated by Built In

Expedia Group brands power global travel for everyone everywhere. We design cutting-edge tech to make travel smoother and more memorable and we create groundbreaking solutions for our partners. Our diverse vibrant and welcoming community is essential in driving our success.

Why Join Us?

To shape the future of travel people must come first. Guided by our Values and Leadership Agreements we foster an open culture where everyone belongs differences are celebrated and know that when one of us wins we all win.

We provide a full benefits package including exciting travel perks generous time-off parental leave a flexible work model (with some pretty cool offices) and career development resources all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.

Introduction to team:

Are you passionate about using machine learning to improve Customer Experience? Would you like to work in the fast-paced competitive customer-focused and data-rich world of online travel? 

Our Machine Learning and Data Science team are growing! We are looking to hire researchers and data scientists interested in breaking new ground to tackle some of the most complex customer experience problems in the travel domain. The focus of your job will be on developing state-of-the-art machine learning algorithms to power and enhance the customer experience across highly complex post-booking recommendations customer service and trip management use cases. You will tackle substantial technical challenges from inference problems arising from long-tail traveler data to multi-objective optimization problems in the highly dynamic operationally complex environment of customer service. Your passion for the craft of ML and AI will unlock tangible growth for our business by exploiting these rich data sets and building effective solutions for travelers and our partners. 

This is your opportunity to build the core algorithms that help Expedia Group's Post Booking organization bring context and intelligence to every step of the traveler journey and redefine what service excellence in travel can be. We are looking for a hands-on scientist who is passionate about applying machine learning to complex prediction and optimization problems that drive an ecosystem that anticipates traveler needs personalizes dynamic add-ons and upsells and improves service experiences making travel more seamless for millions of customers and partners worldwide.  

What You'll Do:

  • Design & Implement ML Solutions: Take ownership of the end-to-end ML lifecycle for your projects from ideation and research to deployment and monitoring.  

  • Test Learn and Iterate: Design and analyze tests to validate your models and quantify their business impact and design future iterations.  

  • Collaborate and Communicate: Partner closely with product managers engineers and business stakeholders to understand requirements define problems and communicate your findings and results effectively.  

Who you are:

Experience & Education  

  • PhD or MS in a quantitative field (e.g. Computer Science Economics Statistics Physics).  

  • 3+ years of hands-on industry experience building and deploying machine learning models to solve real-world problems.  

Functional & Technical Skills  

  • Expertise in applied ML: Deep practical knowledge of machine learning theory (supervised/unsupervised learning deep learning) and statistical modeling and a strong command of experimental design (A/B testing) and causal inference to accurately measure impact. Able to design end-to-end ML solutions: framing the problem choosing data sources selecting algorithms and defining evaluation strategy. Experience with the machine learning software development lifecycle including experimentation deployment monitoring and iteration in production. Strong programming skills in at least one major ML language (e.g. Python Scala Java) plus SQL; writes clean modular maintainable code.

  • Technical Fluency: Strong programming skills in Python and its data science ecosystem (e.g. pandas scikit-learn pySpark) plus proficiency in SQL. Follow software engineering best practices and contribute to the team's shared codebase. 

  • First-Principles Problem Solver: Skilled at dissecting ambiguous problems and clearly communicating complex technical ideas. 

Highly Desired Experience  

  • Domain knowledge in customer service recommendation systems operational applications of ML and/or e-commerce 

  • Experience with reinforcement learning or other advanced ML techniques is a plus

  • Experience building and deploying models using GenAI/LLM technologies 

  • Experience translating research and academic papers into improved model designs and techniques

Minimum Qualifications:

  • Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.

  • 5+ years of relevant professional experience.

  • Proven ability to design end-to-end ML solutions including problem formulation identification and preparation of data sources algorithm selection feature engineering evaluation strategy and production deployment and monitoring.

  • Strong programming skills in Python and its data science ecosystem (such as pandas scikit-learn PySpark) and proficiency in SQL with experience following software engineering best practices and contributing to shared codebases.

  • Familiarity with AI-driven systems tools or workflows and applying AI/ML concepts to real world products including experience with the machine learning software development lifecycle from experimentation through operational monitoring.

Preferred Qualifications:

  • MS or PhD in a quantitative field such as Computer Science Economics Statistics Physics or a related discipline.

  • 3+ years of hands-on industry experience building deploying and iterating on machine learning models that solve real-world problems in production environments.

  • Proven ability to design end-to-end ML solutions including problem formulation identification and preparation of data sources algorithm selection feature engineering evaluation strategy and production deployment and monitoring.

  • Strong programming skills in Python and its data science ecosystem (such as pandas scikit-learn PySpark) and proficiency in SQL with experience following software engineering best practices and contributing to shared codebases.

  • Familiarity with AI-driven systems tools or workflows and applying AI/ML concepts to real world products including experience with the machine learning software development lifecycle from experimentation through operational monitoring.

Expedia Group is proud to offer a wide range of benefits to support employees and their families including medical/dental/vision paid time off and an Employee Assistance Program. To fuel each employee’s passion for travel we offer a wellness & travel reimbursement travel discounts and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits. 

The total cash range for this position in Seattle is $137500.00 to $192500.00. Employees in this role have the potential to increase their pay up to $220000.00 which is the top of the range based on ongoing demonstrated and sustained performance in the role.

The total cash range for this position in San Jose is $149000.00 to $208500.00. Employees in this role have the potential to increase their pay up to $238500.00 which is the top of the range based on ongoing demonstrated and sustained performance in the role.

Starting pay for this role will vary based on multiple factors including location available budget and an individual’s knowledge skills and experience. Pay ranges may be modified in the future.

Expedia Group is proud to offer a wide range of benefits to support employees and their families including medical/dental/vision paid time off and an Employee Assistance Program. To fuel each employee’s passion for travel we offer a wellness & travel reimbursement travel discounts and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits.

Accommodation requests

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.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes TIME Disability:IN and others.

Expedia Group's family of brands includes: Brand Expedia® Hotels.com® Expedia® Partner Solutions Vrbo® trivago® Orbitz® Travelocity® Hotwire® Wotif® ebookers® CheapTickets® Expedia Group™ Media Solutions Expedia Local Expert® CarRentals.com™ and Expedia Cruises™. © 2024 Expedia Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.

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.

Top Skills

Java
Pandas
Pyspark
Python
Scala
Scikit-Learn
SQL
Am I A Good Fit?
beta
Expert contributor network
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Seattle WA
16000 Employees
Year Founded: 1996

What We Do

Expedia Group powers travel for everyone everywhere through our global platform. Driven by the core belief that travel is a force for good we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success while facilitating memorable experiences for travelers. Expedia Group's family of brands includes: Brand Expedia® Hotels.com® Expedia® Partner Solutions Vrbo® trivago® Orbitz® Travelocity® Hotwire® Wotif® ebookers® CheapTickets® Expedia Group™ Media Solutions Expedia Local Expert® CarRentals.com™ and Expedia Cruises™.

Why Work With Us

As travelers and technologists we are passionate about making travel more seamless accessible and memorable. We embrace different perspectives celebrate new ideas and empower every Expedian to drive meaningful change. The experiences we create bridge divides and broaden horizons – helping create unforgettable memories through travel.

Gallery

Similar Jobs

Expedia Group

Scientist

AdTech • eCommerce • Information Technology • Travel • Generative AI
Hybrid
2 Locations
16000 Employees
138K-220K Annually

StackAdapt

Scientist

AdTech • Marketing Tech
In-Office or Remote
12 Locations
371 Employees

Zscaler

Business Systems Analyst

Cloud • Information Technology • Security • Software • Cybersecurity
Easy Apply
Hybrid
2 Locations
8697 Employees
105K-150K Annually

CoreWeave

Systems Engineer

Cloud • Information Technology • Machine Learning
In-Office
5 Locations
1450 Employees
139K-204K Annually

Similar Companies Hiring

Artificial Intelligence • eCommerce • Fintech • Payments • Retail • Software • Analytics
US
35 Employees
Artificial Intelligence • Machine Learning • Business Intelligence • Generative AI
Chicago IL
20 Employees
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo California
178 Employees
Apply Now

Date Posted

04/23/2026

Views

0

Back to Job Listings Add To Job List Company Profile View Company Reviews
Neutral
Subjectivity Score: 0

Similar Jobs

Data Scientist -

Views in the last 30 days - 0

View Details

Senior UX Designer -

Views in the last 30 days - 0

View Details

Senior Product Manager -

Views in the last 30 days - 0

View Details

© 2026 Job Transparency. All rights reserved.