Growth Marketing Lead, Performance

the client is hiring a Growth Marketing Lead, Performance to own paid acquisition end-to-end as the company scales past its Series A. This is a hands-on role — you'll set the strategy and run the campaigns yourself, as the person directly accountable for pipeline, revenue growth, and CAC efficiency across every paid channel. Responsibilities: - Own the client's entire paid acquisition strategy and execution across paid social, paid search, and emerging channels — direct accountability for pipeline, revenue growth, and CAC efficiency - Scale acquisition efficiently, balancing growth targets with marketplace health as channels mature - Develop hypotheses, test constantly, iterate fast — landing page tests, creative performance analysis, new acquisition channels - Measure rigorously (incrementality, multi-touch attribution, test design) while acting intuitively when data is incomplete - Work cross-functionally with Sales, Product, Ops, and Marketing to unlock growth levers beyond paid acquisition (CRO, partnerships, web experiments) - Direct high-velocity creative testing — brief creative teams, hold strong opinions on what drives conversion About the client: the client is an AI-powered marketplace for essential vehicles and equipment (fire trucks, ambulances, heavy machinery, private sanitation equipment) — think eBay for public-safety vehicles. Founded 2023, ~37 employees, NYC HQ. $18.5M raised (Series A $13.5M last summer) from Y Combinator, Initialized Capital, Infinity Ventures, FJ Labs. Revenue grew 10x last year; live in all 50 states.