Client Onboarding Manager (Amazon or comparable e-commerce Marketplace)

The Client Onboarding Manager at Luminize owns the end-to-end onboarding and activation of newly signed brands, serving as the primary point of contact from late-stage sales handoff through full transition to the Brand Management team. This role involves reconciling sales commitments with onboarding deliverables, managing client expectations, and leading structured handoff meetings to ensure a stable account transition. The position requires building and refining the company's onboarding playbook while navigating complex Amazon marketplace requirements and internal cross-functional teams.