Build AI systems that drive results across Search & Discovery, Trust & Safety, Advertising, and core Personalization.
Work with agentic frameworks (LangChain, LangGraph), RAG architectures, and LLM APIs to solve real marketplace problems.
Build, ship, and own AI features end-to-end, from design through deployment.

In this Role, You Will:

Deliver the next generation of Search, Personalization, and Trust & Safety features powered by reliable, production-quality AI systems.
Directly contribute to key business KPIs (conversion, retention, fraud reduction) by turning data science insights into shipped capabilities.
Production RAG pipelines for intelligent discovery.

You’ll Thrive in This Role If You Have:

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.

OfferUp

OfferUp is dedicated to creating the simplest and most trusted way for people to buy, sell, and connect in their local communities. OfferUp used by more than 1 in 6 adults in the U.S. in 2024.

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