✦ Luna Orbit — Software Engineering

Senior Software Development Engineer

at Expedia Group

📍 Washington - Seattle Campus Unknown 💰 $184K – $258K USD / year Posted March 21, 2026
Salary $184K – $258K USD / year
Type Not Specified
Experience senior
Exp. Years 8+ years or Master's with 6+ years
Education Bachelor's in Computer Science or related field
Category Software Engineering

This role involves designing and optimizing high-performance, low-latency backend systems for real-time ad auctions at Expedia Group, collaborating with cross-functional teams to enhance marketplace efficiency.

  • Design backend services for ad auctions
  • Optimize system latency and reliability
  • Collaborate with Data Science and ML teams
  • Implement AI/ML solutions including generative AI
  • Drive operational excellence

The technical environment includes backend system design, AI and machine learning integration, real-time data processing, and operational reliability for ad tech platforms.

The ideal candidate is a senior software engineer with extensive experience in backend systems, ad tech, and AI/ML, capable of designing high-performance, low-latency systems for real-time ad auctions. They should have a strong background in system design, data analysis, and operational excellence.

Bachelor's degree in Computer Science or a related technical field8+ years of experience or Master's with 6+ yearsBackend system designAd auction and bidding systemsOperational reliabilityData analysisExperimentationAI/ML implementation
LLMsGenerative AIReal-time systemsAd techPerformance optimization
JiraGitCloud platforms (unspecified)
JavaPythonMachine LearningAILow-latency systemsBackend servicesRelevance optimizationGenerative AIData ScienceSystem design
JavaPythonMachine LearningAILow-latency systemsBackend servicesRelevance optimizationGenerative AIData ScienceSystem design
LeadershipCollaborationProblem-solvingCommunicationMentoringOperational excellence
Industry Travel & Hospitality
Job Function Developing and optimizing real-time ad auction systems with AI integration
Role Subtype Software Engineer
Tech Domains Python, Java, Machine Learning, AI
Senior Software Development EngineerJavaPythonAIMachine LearningBackend servicesLow-latency systemsAd auctionBidding systemsOperational excellenceData analysisGenerative AIRelevance optimizationSystem designReal-time systemsAd techsoftware engineerbackend developmentad auction systemsmachine learninggenerative ailow latencysystem designdata analysisoperational reliabilityai engineering

Lack of 8+ years experience or Master's with 6+ years, No background in ad tech or real-time systems, No experience with backend system design

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