Senior PM, E‑Commerce Platform & Growth (Remote)

Liftoff is seeking a senior Product Manager to own a new e-commerce advertising platform from zero to one. You will define the business case, manage the experimentation roadmap, and own identity and attribution architecture, while representing Liftoff with customers and partners. You will drive unit economics, surface-area scoping, and decisions on when to scale or pivot. You will collaborate with GTM, sales, and partnerships to shape ICPs and GTM strategies, ensuring robust measurement and