Senior Python Engineer - AI for Scalable Backend and LLM

eBay; New Mexico; 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 AI-enabled features for the Nexpart marketplace. You will work with cross-functional partners to deliver reliable, high-performance workflows and robust API ecosystems.

You will apply expertise in asynchronous microservices, AI tooling, and system observability while collaborating on responsible AI practices and scalable architecture.

Qualifications

• 5+ years of professional Python development experience in production environments.
• Experience building asynchronous, API-driven microservices (e.g., FastAPI, asyncio).
• Strong understanding of scalable backend architectures and service-to-service integrations.

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

Asynchronous API

REST APIs

FastAPI

CI/CD

Git

English communication

Education

BA/BS in Computer Science

Tools

Docker

Kubernetes

Job description

eBay’s Nexpart engineering team seeks a Senior Python Engineer, AI to design, develop, and maintain scalable backend services and AI-enabled features for the Nexpart marketplace. You will work with cross-functional partners to deliver reliable, high-performance workflows and robust API ecosystems.

You will apply expertise in asynchronous microservices, AI tooling, and system observability while collaborating on responsible AI practices and scalable architecture.