Senior Python AI Engineer - Backend & LLM Platforms

eBay; Arizona; On-site; USD 119,000 - 206,000; Full time

Job summary

eBay’s Nexpart engineering team seeks a Senior Python Engineer, AI, to design, develop, and maintain scalable backend services and platform capabilities that power critical workflows.

You will build asynchronous, API-driven microservices (FastAPI, asyncio), implement observability, and collaborate across teams to deliver reliable, AI-enabled features including LLM integration and multi-step task orchestration.

Qualifications

• BA/BS in Computer Science or related field.
• 5+ years of Python development in production environments.
• Experience building asynchronous microservices with API-first design.

Responsibilities

• Define technical requirements with product, business, and engineering stakeholders.
• Design, develop, and maintain Python-based applications and services powering core platform workflows.
• Build and integrate scalable APIs and microservices for internal and external use.
• Own backend system design for reliability, scalability, and maintainability.
• Optimize performance with distributed patterns like caching and messaging.
• Implement robust observability and troubleshoot production issues.

Skills

Python backend

Async microservices

FastAPI

REST APIs

CI/CD

Git

English communication

Education

BA/BS in Computer Science

Tools

FastAPI

Asyncio

Docker

Kubernetes

GitHub Actions

Job description

eBay’s Nexpart engineering team seeks a Senior Python Engineer, AI, to design, develop, and maintain scalable backend services and platform capabilities that power critical workflows.

You will build asynchronous, API-driven microservices (FastAPI, asyncio), implement observability, and collaborate across teams to deliver reliable, AI-enabled features including LLM integration and multi-step task orchestration.