Drimva

Expedia

Senior Software Development Engineer - GenAI

$172K–$274K

USA - Illinois - Chicago · Senior · Full-time · Posted Oct 12, 2026

Experience
8+ years of relevant professional experience.
Education
Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.

About the job

Leads the design, delivery, and operation of Expedia’s shared GenAI platform, including scalable services and multi-agent infrastructure used by product and ML teams.

What you'll do

  • Design and deliver platform services, APIs, and data models; own implementation, release, and production operations.
  • Develop platform capabilities and AI asset grading standards with partner teams, including safety, quality, reliability, and readiness guardrails.
  • Work with LLM Inference and use-case teams on intelligent routing, model deployments, fine-tuning, and adoption of platform capabilities.

What they ask for

  • Bachelor’s degree in Computer Science or a related technical field, or equivalent related professional experience.
  • 8+ years of relevant professional experience, including building and operating backend services and APIs with end-to-end ownership.
  • Proficiency in Python and experience building production-grade web services with FastAPI or similar frameworks.
  • Experience running backend APIs in public or hybrid cloud environments, with hands-on exposure to cloud services and at least one data store technology.

Nice to have

  • Deep experience operating Python backend APIs at scale on AWS or similar cloud providers.
  • Hands-on RAG, vector store, evaluation/observability, or multi-agent orchestration experience.

Pay

$171,500.00 to $240,000.00 USD total cash; up to $274,500.00 USD total cash (top of range)

Tools

Python, FastAPI, Flask, Django, AWS, Aurora PostgreSQL, Elasticsearch, LangChain

AI focus

Builds and operates shared GenAI platform services and multi-agent infrastructure; supports AI asset grading, LLM routing and deployments, fine-tuning, and safe AI-enabled products.

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 4, 2026 (UTC)