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Expedia Group

Software Development Engineer III, Advertising Technology

Expedia Group

full time · Senior

$136,000 – $190,500

Listed on Expedia Group’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role builds and operates real-time ad delivery systems that power ad ranking, auctions, and bidding for a global travel advertising platform. It suits experienced backend engineers who want to work on high-throughput, low-latency systems while collaborating with ML and product teams.

Our summary, not Expedia Group’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • Bachelor's or Master's degree in Computer Science or related technical field
  • 5+ years of backend software development
  • Experience with data-driven systems, ML-powered features, or A/B experimentation platforms
  • Strong proficiency in Java or Kotlin
  • Experience building and deploying backend APIs and streaming or batch data processing services in cloud environments
  • Solid understanding of distributed systems, data flows, and operational best practices

Nice to have

  • Experience with search and retrieval systems, including relevance ranking, vector databases, embeddings, or AI/semantic search
  • Experience designing and implementing agent-to-agent and multi-agent AI systems
  • Background in ads, marketplaces, e-commerce, or travel platforms

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