Senior Agentic AI Engineer – Full-Stack Travel Tech

Expedia; Seattle (WA); On-site; USD 185,000 - 295,000; Full time

Benefits offered by this job

Medical/dental/vision

Paid time off

Employee Assistance Program

Wellness & travel reimbursement

Travel discounts

IATAN membership

Pay increase potential

Job summary

Expedia Group's Layla AI team seeks an experienced software engineer to build agentic AI travel-planning experiences and end-to-end product surfaces across APIs, data models, and frontend interfaces.

You will design robust orchestration, integration patterns, and observability, while collaborating with product, design, data, and engineering teams to deliver scalable, safe AI-powered travel tools.

Qualifications

• Bachelor's degree in CS, Engineering, or related field, or equivalent.
• 6+ years of professional software engineering delivering production systems.
• Experience building full-stack apps with backend services and modern UI.
• Professional experience integrating LLMs/AI into production products.
• Strong knowledge of agentic patterns and tool use.
• Proficient in Python, Java, Kotlin, Go, or TypeScript with frontend basics.
• Experience designing APIs, services, data models, integrations, tests, and monitoring.
• Ability to communicate tradeoffs with product, design, data, and engineering teams.

Responsibilities

• Design, build, and operate agentic AI experiences for travel discovery, itinerary planning, personalization, and booking workflows.
• Develop reliable agent orchestration patterns including planning, tool use, routing, state management, memory, retries, guardrails, and human confirmation.
• Build and evolve backend services, APIs, data models, integrations, and event-driven workflows.
• Create user-facing experiences that make AI behavior clear, useful, and actionable across web surfaces.
• Integrate retrieval, knowledge, and recommendation using data contracts, embeddings, search, ranking, and grounding strategies.
• Establish evaluation and observability for agentic systems covering quality, latency, cost, safety, failure modes, and impact.
• Own end-to-end product surface: framing, exploration, implementation, launch, measurement, iteration.
• Turn ambiguous opportunities into thin, testable increments and ship quickly with quality.

Skills

Software engineering

Full-stack apps

LLMs/AI

Agentic patterns

Backend languages

API design

Observability/Monitoring

Frontend stack

Education

Bachelor's degree

Tools

LangGraph

LangChain

LlamaIndex

Semantic Kernel

OpenAI tooling

Anthropic tooling

React

Next.js

GraphQL

FastAPI

Job description

Expedia Group's Layla AI team seeks an experienced software engineer to build agentic AI travel-planning experiences and end-to-end product surfaces across APIs, data models, and frontend interfaces.

You will design robust orchestration, integration patterns, and observability, while collaborating with product, design, data, and engineering teams to deliver scalable, safe AI-powered travel tools.