✦ Luna Orbit — Software Engineering

Software Development Engineer III, Advertising Technology

at Expedia Group

📍 Washington - Seattle Campus Unknown 💰 $146K – $204K USD / year Posted March 13, 2026
Salary $146K – $204K USD / year
Type Not Specified
Experience senior
Exp. Years 5+ years
Education Bachelor's degree in Computer Science or a related technical field
Category Software Engineering

This role involves developing backend APIs and services for advertising platforms, leveraging AI and machine learning to optimize ad relevance, targeting, and campaign management at Expedia Group.

  • Optimize auction and ad retrieval
  • Implement backend APIs
  • Build scalable services
  • Improve system reliability
  • Collaborate with ML teams

Focus on backend API development, AI/ML integration, distributed systems, and ad technology stack within a travel and advertising environment.

The ideal candidate is a senior software engineer with at least 5 years of experience in backend development, AI, and machine learning, particularly in ad tech or related fields. They should be skilled in building scalable distributed systems and integrating AI solutions.

Software DevelopmentAPIsBackend servicesAIML
Large Language ModelsGenerative AIDistributed SystemsAd Tech
None specified
Software DevelopmentAPIsBackend servicesAIMLLarge Language ModelsGenerative AIDistributed SystemsAd TechAd Retrieval
Software DevelopmentAPIsBackend servicesAIMLLarge Language ModelsGenerative AIDistributed SystemsAd TechAd RetrievalAuction Optimization
CollaborationProblem-solvingCommunicationTeamworkMentoring

Required

None specified

Preferred

None specified
Industry Travel/Technology
Job Function Develop scalable backend services for advertising technology
Software DevelopmentAPIsBackend servicesAIMLLarge Language ModelsGenerative AIDistributed SystemsAd TechAd RetrievalAuction OptimizationRelevance optimizationAd servingCampaign managementScalabilityLatencyAutomationData scientistsML engineers

Lack of experience with backend API development, No AI or ML experience, No experience in ad technology

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