Senior Product Manager

About the role

Join Alt, a high-velocity marketplace at an inflection point. As a Senior Product Manager, you will own the growth engine, driving measurable business outcomes through product experimentation and iteration. You will work closely with Engineering, Data, and leadership to build a compounding growth engine and improve marketplace health. Key missions: Own the end-to-end seller journey from first submission to high-frequency, high-value seller, identifying and closing drop-off points across onboarding, Snap to Sell, quote acceptance, vault intake, and resubmission.. Drive search-to-bid conversion through better ranking, filtering, recommendations, and real-time Alt Value pricing context, and surface the right cards to the right buyers at the right moment.. Define and run a disciplined experimentation roadmap across all buyer-facing discovery surfaces, owning the experimentation framework across the platform — hypothesis definition, test design, metric selection, and decision rules. Profile: - Demonstrated track record of driving measurable business outcomes through product experimentation and iteration - Deep understanding of two-sided marketplace dynamics - 5-8+ years of Product Management experience with clear ownership of a growth surface, marketplace funnel, or PLG motion - Strong data fluency — Amplitude, Mixpanel, or similar, plus SQL or Python - Experience partnering directly with Engineering and Data to build growth infrastructure, not just features - Scrappy, high-ownership operator who communicates with precision and moves without hand-holding - Experience in collectibles, luxury goods, financial assets, or other high-value trust-sensitive marketplaces - Familiarity with lifecycle tooling and how product and lifecycle intersect - Background in operationally complex environments where physical and digital systems connect - Experience with AI-assisted personalization, recommendation systems, or search ranking