Senior Python AI Engineer: Scalable Backend & LLM

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

Benefits offered by this job

Competitive compensation

Comprehensive benefits

Job summary

eBay’s Nexpart engineering team is seeking a Senior Python Engineer, AI to design, develop, and maintain scalable backend services and platform capabilities that support critical business workflows and AI-enabled features.

You will work with cross-functional partners to deliver high-quality releases, improve performance, and ensure reliability of core systems in a fast-paced environment.

Qualifications

• 5+ years of professional Python development in production environments.
• Strong experience building asynchronous, API-driven microservices (e.g., FastAPI, asyncio).
• Solid understanding of scalable backend architectures and service-to-service integrations.
• Experience with distributed systems patterns (queues, caching, pub/sub, background processing).

Responsibilities

• Define technical requirements in partnership with product, business, and engineering stakeholders.
• Design, develop, and maintain Python-based applications & services that power core platform workflows.
• Build and integrate scalable APIs and microservices for internal and external consumers.
• Own backend system design for service reliability, scalability, maintainability, and operational excellence.
• Optimize performance using distributed technologies (e.g., caching, message queues, event-driven architectures).
• Implement robust observability (logging, tracing, metrics), troubleshoot production issues, and improve system resiliency.
• Participate in code reviews as both a contributor and reviewer; contribute to engineering standards and best practices.
• Collaborate closely with development, QA, and business teams to deliver high-quality releases.
• Create and maintain system and technical documentation as needed.
• Leverage AI-powered development tools to improve productivity, code quality, and delivery speed.

Skills

Python development

Async microservices

REST APIs

CI/CD

Git

English

Education

Bachelor's in Computer Science

Tools

FastAPI

AsyncIO

Job description

eBay’s Nexpart engineering team is seeking a Senior Python Engineer, AI to design, develop, and maintain scalable backend services and platform capabilities that support critical business workflows and AI-enabled features.

You will work with cross-functional partners to deliver high-quality releases, improve performance, and ensure reliability of core systems in a fast-paced environment.