AI Engineer (Hybrid @ Bellevue, WA or Remote @ Florida)
OfferUpBellevue, Washington, United States • Florida, United States
Posted March 20, 2026
140000 - 160000 USD
Full Time
About the Company
OfferUp is dedicated to creating the simplest and most trusted way for people to buy, sell, and connect in their local communities.
Job Description
AI Engineer role to build and deploy AI systems that drive results across Search & Discovery, Trust & Safety, Advertising, and core Personalization, with a focus on agentic workflows, RAG pipelines, and LLM integrations.
Requirements
- 2-4 years building and deploying AI/ML systems in production
- 2+ years professional Python development
- Hands-on experience with agentic frameworks (LangChain, LangGraph, or similar) including function calling and tool-use design
- Practical experience building RAG systems (vector search, semantic chunking, rerankers)
- Experience with LLM APIs, prompt engineering, and structured outputs
- Proficiency with async Python (asyncio, streaming) and Pydantic
- Strong SQL skills for large-scale data systems
- Bachelor's in CS, Math, Statistics, or related field (or equivalent experience)
- Collaborative mindset and strong communication skills
Benefits
- Health insurance
- Healthcare savings and spending accounts
- Retirement savings benefits (401(k) plan with match)
- Basic and voluntary life insurance
- Disability benefits
- Paid time off for sick leave, family and/or medical leave, vacation, and 12 company holidays
