Supplier Business Development Manager (Jewelry)

TL;DR

Supplier Business Development Manager (Jewelry): Growing and managing supplier partnerships for a B2B diamond and gemstone marketplace with an accent on supplier acquisition, account development, and product-market alignment. Focus on analyzing performance data, optimizing pricing and inventory, improving quality, and building trusted supplier relationships through regular in-person engagement in New York City.

Location: Hybrid in Manhattan, New York, United States; regular face-to-face meetings with local and prospective suppliers are required.

Company

A global B2B diamond and gemstone marketplace that connects jewelry retailers with competitive suppliers while improving transparency, selection, pricing, and supply-chain efficiency.

What you will do

• Identify, acquire, and onboard high-quality diamond and gemstone suppliers.
• Build consultative supplier relationships and act as the primary contact for growth, performance, and issue resolution.
• Analyze supplier, CRM, and marketplace data to identify opportunities across selection, pricing, availability, and quality.
• Drive revenue growth by improving product assortment, inventory levels, pricing strategies, express stock, and delivery performance.
• Coordinate with technology, operations, customer support, category management, product, and marketing teams.
• Develop supplier training and guidance on listing optimization, quality control, and performance improvement.

Requirements

• 7+ years of experience in sales, business development, or account management in jewelry, luxury goods, or a jewelry and luxury marketplace.
• Commercially sharp, strategic, self-directed, and comfortable operating with ambiguity.
• Experience acquiring new business while nurturing and expanding existing supplier relationships.
• Strong relationship-building skills with business owners, decision-makers, senior stakeholders, and small business owners.
• Data-driven account management experience using CRM and platform data to prioritize activity.
• Professional communication in English is required.

Nice to have

• Background in a high-growth marketplace or platform business with an enterprise or SMB sales culture.
• Familiarity with wholesale buying patterns, inventory-led businesses, or supply-chain dynamics.
• Proven revenue growth through partner or supplier relationships.

Culture & Benefits

• Collaborative, empowering, low-hierarchy environment focused on continuous learning and measurable impact.
• Flexible working hours and a hybrid working environment.
• Medical, dental, and vision benefits.
• 401(k) benefit and unlimited holiday allowance.
• Growth and learning opportunities within a rapidly expanding company.