Own and scale a live production backend supporting real-time communication between apps, animation models, and LLM providers. Design APIs, WebSockets, data storage for companion memory and conversation state, and Cloudflare Workers infrastructure. Improve latency, throughput, cost, observability, alerting, incident response, and documentation while collaborating with the team to ship features end to end.

Owns paid user acquisition from the ground up for a mobile AI companion app. Responsibilities include channel strategy, media planning, budget allocation, geo and creative testing, attribution and MMP setup, cohort analysis, CAC, ROAS, LTV, creative direction, and platform moderation. The role targets US, Japanese, and Korean markets, works directly with founders, and will eventually help build the acquisition team.

This is an open application where candidates can express their interest in joining the team, regardless of current openings.