About this role
Principal AI Engineer will lead AI-driven data platform initiatives powering Expedia Group's Customer Data Platform, delivering scalable, low-latency AI-enabled capabilities, and mentoring engineers across teams.
Key Responsibilities
- Define and drive AI platform architecture
- Lead end-to-end delivery of AI features
- Mentor engineers across teams
- Collaborate with product and data science to translate problems
- Safely deploy AI/ML in production
Technical Overview
Role requires expert system design, data modeling, and API contracts for AI-powered services; hands-on development with ML systems, data pipelines, feature stores, and online inference at global scale.
Ideal Candidate
The ideal candidate is a senior AI/ML systems architect with 12+ years building distributed backend data platforms, hands-on with APIs/gRPC/Protobuf, and experience deploying AI-powered features at global scale.
Must-Have Skills
Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience12+ years of relevant professional experienceExtensive experience designingbuildingand operating large-scale distributed backend or full-stack servicesExpertise in system design (including component and low-level design)API designand data modelingAbility to own and drive technical direction across multiple services or domainsStrong software engineering skills in one or more modern programming languages
Nice-to-Have Skills
Advanced degree in Computer ScienceMLor relatedArchitectures for AI-powered platforms with data pipelinesfeature storesonline inferenceExperience leading cross-functional technical initiativesReliabilityperformancesecurityand cost optimization in AI-intensive systemsFamiliarity with responsible AI use and safe deployment practices
Tools & Platforms
APIsgRPCProtobufApache SparkDatabricksPySpark
Required Skills
Bachelor's degree in Computer Science or related field; 12+ years of distributed backend experience; API design; data modeling; gRPC; Protobuf; ML/AI; data pipelines; feature stores; online inference; production deployment; distributed systems; leadership
Hard Skills
AIMLData modelingAPIsgRPCProtobufDistributed systemsAPIsData pipelinesFeature storesOnline inferenceProblem framingModel integrationProduction deploymentAgentic systemsGenerative AI
Soft Skills
LeadershipMentoringCross-functional collaborationCommunicationStrategic thinking
Keywords for Your Resume
principal ai engineercustomer data platformaimlmachine learningdata pipelinesfeature storesonline inferenceagentic systemsgenerative aiapisgRPCprotobufdistributed backendbackend servicesproduction deploymentresearch and designdata modelingreal-time personalizationdistributed systems
Deal Breakers
12+ years of experience, Advanced degree preferred, Seattle on-site capability
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