# Senior Software Development Engineer - GenAI Platform

Hiring organization: [Expedia Group](https://career.thegoodapps.co/organizations/expedia-group)

Canonical page: https://career.thegoodapps.co/jobs/24d1be83-b8e3-4ddf-aeec-f1c137d95e76

Listed on Expedia Group's own careers site. Applications go to them directly.

- Employment type: full time
- Seniority: Senior
- Location: Chicago, IL
- Salary: 171500 – 240000 USD per year

## Summary

This Senior Software Engineer role focuses on building and operating generative AI platform services at Expedia Group, including backend APIs, RAG systems, and multi-agent infrastructure. The position suits experienced backend engineers interested in AI/ML infrastructure who want to shape how a large travel company safely scales GenAI capabilities across product teams.

_Our summary, not Expedia Group's wording._

## Skills named

Amazon Web Services (AWS), Elasticsearch, FastAPI, LangChain, LangGraph, LlamaIndex, n8n, PostgreSQL, Python

## Required

- Bachelor's degree in Computer Science or related technical field, or equivalent professional experience
- 8+ years of professional experience building and operating backend services and APIs
- Production-grade proficiency in Python and FastAPI or similar modern async frameworks
- Experience building and running backend APIs in public or hybrid cloud environments with hands-on cloud services exposure
- Familiarity with AI-driven systems, LLM-powered capabilities, embeddings, or RAG patterns

## Nice to have

- Deep experience building and operating Python-based backend APIs at scale on AWS with performance tuning and resilience patterns
- Hands-on experience with RAG and vector store tooling like LangChain, LlamaIndex, LangGraph
- Experience integrating and optimizing end-to-end LLM-powered systems including prompt design and embeddings management
- Background building internal platforms and SDKs adopted by multiple product teams with strong documentation practices
- Experience designing workflow and agent orchestration solutions using tools like n8n or Flowise

Apply on Expedia Group's site: https://expedia.wd108.myworkdayjobs.com/en-US/search/job/USA---Illinois---Chicago/Senior-Software-Development-Engineer---GenAI-Platform_R-104200-1