Senior Python Engineer, AI

Job not on LinkedIn

🕒 July 28

🏄 California – Remote

🏄 California – Remote

💵 $118.8k - $205.6k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

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eBay

WebsiteLinkedInAll Job Openings

10,000+ employees

🛍️ eCommerce

🏪 Marketplace

💰 $1.1G Post-IPO Debt - eBay on 2022-11

eCommerce • Marketplace

eBay is a global online marketplace that connects buyers and sellers through auctions and fixed-price listings. The platform hosts consumer-to-consumer and business-to-consumer transactions across a wide range of categories, including collectibles and live-streamed commerce (eBay Live). eBay runs promotional events and charity auctions, maintains a worldwide office footprint with hybrid work options, and emphasizes community and economic opportunity for its users.

📋 Description

• 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 • Build and productionalize LLM-enabled features (e.g., workflow automation, intelligent routing, summarization, extraction) • Design tool/function-calling services and orchestration layers for multi-step tasks • Implement RAG-style retrieval patterns (embeddings, vector search, ranking) where it improves reliability and accuracy • Develop evaluation and quality frameworks for AI outputs (offline evals, regression tests, safety/reliability checks) • Collaborate on responsible AI practices: guardrails, data handling, deterministic behaviors, and auditability

🎯 Requirements

• BA/BS in Computer Science or a related field, or equivalent practical experience • 5+ years of professional Python development experience 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) • Strong understanding of REST APIs, authentication/authorization, and secure system design • Experience with CI/CD pipelines and containerized deployment workflows • Strong familiarity with Git and modern version control workflows • Excellent English communication skills, both written and verbal • Ability to work effectively in cross-functional, fast-paced environments

🏖️ Benefits

• Competitive compensation and comprehensive benefits • Medical, financial, and/or other benefits • 401(k) eligibility • Paid time off benefits such as PTO and parental leave