Senior Agentic AI & Full-Stack Engineer

Expedia; Washington; On-site; USD 180,000 - 240,000; Full time

Job summary

Expedia Group’s Layla AI team seeks a Senior Full Stack Agentic AI Engineer to build proactive travel-planning experiences. You’ll work across agent orchestration, backend services, data and retrieval systems, and user-facing product surfaces.

This high-autonomy role connects product intent with architecture, with ownership from framing problems to live deployment. The role emphasizes curious, capable engineers who ship reliable experiences at global travel scale and collaborate across Product,

Responsibilities

• Design, build, and operate agentic AI experiences that support travel discovery, itinerary planning, personalization, and booking-related workflows.
• Develop reliable agent orchestration patterns, including planning, tool use, routing, state management, memory, retries, guardrails, and human confirmation where appropriate.
• Build and evolve backend services, APIs, data models, integrations, and event-driven workflows that connect agent experiences to Expedia Group and Layla capabilities.
• Build user-facing experiences that make AI behavior clear, useful, and actionable across web and other relevant product surfaces.
• Integrate retrieval, knowledge, and recommendation capabilities using appropriate data contracts, embeddings, search, ranking, and grounding strategies.
• Establish evaluation and observability practices for agentic systems, including quality, task completion, latency, cost, safety, failure modes, and user impact.
• Take shared ownership of a meaningful product surface, from framing the problem and exploring solutions through implementation, launch, measurement, and iteration.
• Translate ambiguous product opportunities into thin, testable increments and ship quickly while preserving operational and architectural quality.

Job description

Expedia Group’s Layla AI team seeks a Senior Full Stack Agentic AI Engineer to build proactive travel-planning experiences. You’ll work across agent orchestration, backend services, data and retrieval systems, and user-facing product surfaces.

This high-autonomy role connects product intent with architecture, with ownership from framing problems to live deployment. The role emphasizes curious, capable engineers who ship reliable experiences at global travel scale and collaborate across Product,