Expedia

Principal Software Development Engineer, ML-Powered Flight Search

Expedia
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1 day ago

Responsibilities

  • Lead the architectural vision, design, and delivery of complex software solutions across multiple technical domains.
  • Drive system design, API development, and data modeling for secure, maintainable, and high-performing platforms.
  • Guide and mentor engineering teams while fostering technical excellence and innovation.
  • Integrate and operate AI/ML-enabled solutions using responsible AI practices.
  • Improve operational excellence through robust software development practices and scalable engineering processes.
  • Collaborate with product, analytics, connectivity, and other cross-functional partners to deliver resilient technology solutions.
  • Build and deploy neural search, embedding-based retrieval, ranking, personalization, and real-time inference systems.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field, or equivalent related professional experience.
  • 12+ years of relevant professional experience.
  • Expertise in large-scale system architecture, technical decision-making, and delivery of complex multi-domain solutions.
  • Proven ability to design and operate secure, high-quality, scalable software systems.
  • Familiarity with AI-driven systems, tools, workflows, and real-world AI/ML applications.
  • Experience leading architectural transformation and modernization initiatives for large distributed systems.
  • Experience guiding engineering organizations through significant growth, change, or complexity.
  • Full-stack engineering expertise across multiple technical domains and platforms.
  • Experience with neural search, embedding-based retrieval, vector databases, semantic search, and large-scale similarity search with sub-100ms latency requirements.
  • Strong experience with PyTorch or TensorFlow for production ML systems, including ranking models, personalization engines, real-time inference pipelines, model serving, and online/offline evaluation.

Benefits

  • Medical, dental, and vision coverage.
  • Paid time off and an Employee Assistance Program.
  • Wellness and travel reimbursement.
  • Travel discounts and International Airlines Travel Agent Network (IATAN) membership.
  • The position is based in Seattle, with the listed pay range varying based on location, budget, knowledge, skills, and experience.

Tech Stack

PyTorchTensorFlow
Expedia

About Expedia

10,000+ employees

Expedia Group builds a global online travel marketplace where consumers book flights, hotels, vacation rentals, cars, and activities, and partners distribute and market inventory across its platform. It monetizes through commissions, merchant/agency models, and advertising via brands including Expedia, Hotels.com, and Vrbo. Founded in 1996 and headquartered in Seattle, the public company (NASDAQ: EXPE) serves travelers and partners in more than 70 countries with B2C, B2B, and ad tech offerings.

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