✦ Luna Orbit — Software Engineering

Principal Software Development Engineer - Platform & Infrastructure

at Expedia Group

📍 USA - California - San Jose Unknown 💰 $249K – $348K USD / year Posted March 13, 2026
Salary $249K – $348K USD / year
Type Not Specified
Experience senior
Exp. Years Not specified
Education Not specified
Category Software Engineering

Develop and enhance backend APIs and distributed services for Expedia's advertising platform, leveraging AI and generative models to improve ad delivery and optimization.

  • Design backend APIs
  • Implement distributed services
  • Integrate AI and generative models
  • Collaborate with data science teams
  • Ensure operational excellence

Focus on building scalable backend systems, integrating AI/ML models, and ensuring operational excellence in advertising technology infrastructure.

The ideal candidate is a senior software engineer with expertise in backend API development, distributed systems, and AI, particularly generative AI and large language models. They have experience leading projects that integrate AI into scalable backend services.

Backend APIsDistributed SystemsAIGenerative AILarge Language ModelsPythonMicroservices
Data ScienceOperational ExcellenceCampaign ManagementOptimizationML Engineering
APIsPythonML frameworksData Science tools
Backend APIsDistributed SystemsAIGenerative AILarge Language ModelsPythonMicroservicesData ScienceOperational Excellence
Backend APIsDistributed SystemsAIGenerative AILarge Language ModelsMLCampaign ManagementOptimizationMicroservicesAPIsPythonData ScienceOperational Excellence
LeadershipCollaborationMentorshipProblem-solvingCommunicationTeamwork
Industry Advertising & Marketing Technology
Job Function Build scalable backend services with AI integration for advertising
Senior Software Development EngineerBackend APIsDistributed SystemsAIGenerative AILarge Language ModelsMLPythonMicroservicesData ScienceOperational ExcellenceCampaign ManagementOptimization

Lack of experience with distributed systems or AI, No background in backend API development, Unable to work in a collaborative, fast-paced environment

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