Principal Product Manager, PSA Liquidity Platform

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. They are seeking a Principal Product Manager to own the PSA Liquidity product suite, focusing on enhancing buyer and seller experiences through strategic product vision and execution.

Responsibilities:

• Own the product vision and strategy end-to-end
• Build powerful buyer tooling
• Optimize the matching engine
• Elevate the seller experience
• Drive cross-functional execution
• Instrument and iterate
• Connect the ecosystem
• Communicate with clarity at every level

Requirements:

• 10+ years in product management, with a track record of shipping and scaling 0→1 products that have measurable business impact
• Senior IC experience at a high-growth company or a scaled consumer platform
• Ad tech fluency meets marketplace instincts. You understand systems involving targeting, ranking, pricing, and supply/demand matching
• You've worked on two-sided platforms where you know the levers that move liquidity, conversion, and GMV
• Expert in instrumentation, A/B testing, cohort analysis, and lifecycle optimization
• You pair product intuition with quantitative rigor
• Comfortable untangling multi-system flows, including payments, logistics, and risk, and turning them into clean, intuitive customer experiences
• You align executives, engineering leads, and external partners without direct authority
• You make crisp, high-conviction calls and bring people with you
• You thrive in a fast-moving, self-directed environment
• You set the bar, hold it, and take full accountability for outcomes
• Passion for collecting is a plus