Senior ML Engineer - Scale Global Travel ML Platforms

Expedia Group; Seattle (WA); On-site; USD 185,000 - 258,000; Full time

Benefits offered by this job

Health benefits

Paid time off

Employee assistance

Wellness benefits

Travel discounts

IATAN membership

Job summary

Expedia Group in Seattle seeks a Senior Machine Learning Engineer to design, deploy, and scale robust ML systems powering travel distribution and supply. You will own end‑to‑end ML features, collaborating with product and engineering teams to translate problems into production solutions.

The role emphasizes observability, security, and operational excellence across ML services. Minimum qualifications include a CS degree or equivalent, 8+ years of experience, and strong Python/Java skills with

Qualifications

• Bachelor’s degree in Computer Science or related field; or Equivalent related professional experience.
• 8+ years of relevant professional experience.
• Strong proficiency in at least one modern programming language commonly used at Expedia Group for ML (such as Python or Java), with deep understanding of core software engineering concepts, system design (LLD), API design, data modeling, and ML fundamentals including model training, evaluation, and deployment.
• Proven experience working with service‑oriented or microservice architectures to integrate ML capabilities into production systems, including building and consuming APIs, working with large‑scale data pipelines, and ensuring reliability, scalability, and security of ML‑backed services.
• Hands‑on experience operating ML workflows in production environments, including monitoring model and data health, responding to incidents, and improving systems based on experimental results and operational feedback.

Responsibilities

• Design, build, and evolve robust, scalable machine learning systems and services, including system design (LLD), API design, and data modeling to power complex product capabilities across multiple domains.
• Own end‑to‑end delivery of machine learning features and platforms, from problem framing, data sourcing, feature engineering, and model development and evaluation through implementation, testing, deployment, monitoring, and ongoing operational support.
• Collaborate with product, data, and engineering teams to translate ambiguous business and customer problems into clear ML‑driven solutions, selecting appropriate modeling approaches and integrating them into production services and applications.
• Improve model and system quality, reliability, and performance by driving best practices in experimentation, validation, observability, security, and operational excellence for the ML services you own.
• Mentor and support other engineers and data practitioners through technical design discussions, review of modeling and code work, and knowledge sharing, helping to elevate ML engineering practices across teams and domains.
• Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, with familiarity with AI‑driven systems, tools, or workflows and applying AI/ML concepts to real world products.

Skills

Python

Java

Education

Bachelor’s degree in Computer Science or related field

Job description

Expedia Group in Seattle seeks a Senior Machine Learning Engineer to design, deploy, and scale robust ML systems powering travel distribution and supply. You will own end‑to‑end ML features, collaborating with product and engineering teams to translate problems into production solutions.

The role emphasizes observability, security, and operational excellence across ML services. Minimum qualifications include a CS degree or equivalent, 8+ years of experience, and strong Python/Java skills with