
Topsort
Topsort builds retail media infrastructure for omni-channel retailers, marketplaces, and delivery apps, providing ad serving, auctions, and sponsored product/search tools to monetize onsite and offsite inventory. The privately held company, founded in 2021 and headquartered in San Francisco, sells its platform and APIs to power retailers’ self-serve advertising programs. Customers include Petco and Poshmark, and it raised a Series A in 2024.
Open Positions at Topsort
1 open position
Santiago, ChileSenior
Join Topsort’s T-Brain team as an AI Engineer building and deploying machine learning models for predictions, recommendations, and intelligent commerce applications. You’ll combine experimentation, data science, and software engineering to deliver scalable production ML systems.