Job Description

Marketplace Inventory Planner – Apparel (Seller Central & Vendor Central)

Overview

Komar, a global leader in the design, sourcing, manufacturing, and distribution of high-quality sleepwear, layering, and intimates is seeking a detail-oriented and data-driven Marketplace Inventory Planner to manage forecasting, replenishment, and inventory health for our Amazon business across both Seller Central (3P/FBA) and Vendor Central (1P) .

This role will balance art and science — combining strong analytical forecasting with an understanding of fashion, seasonality, and consumer trends. The Inventory Planner will ensure optimal inventory levels by SKU, size, and color, supporting sales growth while maintaining profitability and operational efficiency.

Key Responsibilities

Forecasting & Demand Planning

• Develop and maintain SKU-level demand forecasts across multiple apparel categories, factoring in historical sales, size/color performance, new launches, promotions, and seasonality.
• Analyze sales velocity and sell-through by style, color, and size curve to optimize future buy quantities and minimize residual inventory.
• Incorporate trend, lifecycle, and replenishment planning to distinguish between core basics and seasonal/limited-edition styles .
• Leverage Amazon data (ARA Premium, Brand Analytics, Business Reports) to track category trends, conversion rates, and product-level demand shifts.
• Continuously monitor forecast accuracy, sell-through %, and weeks of supply by size and color variant, adjusting plans in response to real-time performance.

Inventory Management & Replenishment

• Oversee inventory flow for both 1P and 3P channels, ensuring in-stock performance while minimizing overstocks, aged inventory, and end-of-season liabilities.
• For Vendor Central (1P) :
• Manage replenishment against Amazon purchase orders, monitor fill rates and OTIF (On-Time In-Full) compliance, and align replenishment with Net PPM (Pure Product Margin) goals.
• Partner with internal operations and Amazon Retail teams to improve in-stock availability and minimize chargebacks or shortage deductions.
• For Seller Central (3P/FBA) :
• Plan and manage FBA shipments, tracking restock limits, capacity usage, and inbound performance.
• Maintain healthy IPI (Inventory Performance Index) scores by managing aged inventory %, sell-through , and storage utilization .
• Execute inventory transfers and balancing between fulfillment centers to optimize regional demand coverage.

Analytics & Reporting

• Build and maintain reporting tools and dashboards that highlight key performance indicators across both channels — including Net PPM , IPI , aged inventory , sell-through by style and size , and gross margin by ASIN .
• Track and analyze performance trends at the style-color-size level to identify bestsellers, slow movers, and emerging trends.
• Collaborate with merchandising to inform buy quantities, color assortment decisions, and replenishment strategies based on data-driven insights.
• Evaluate the success of product launches, capsule collections, and promotional events through post-mortem inventory analysis.
• Monitor seasonal sell-down progress and recommend markdown or liquidation strategies where appropriate to optimize cash flow and margin recovery.

Cross-Functional Collaboration

• Partner with merchandising, production, logistics, finance, and marketing teams to align inventory plans with business goals, ensuring seamless execution from factory to Amazon.
• Collaborate with design and merchandising to translate trend and lifecycle information into actionable inventory plans.
• Work with operations and 3PL teams to ensure on-time inbound shipments, accurate labeling, and packaging compliance with Amazon requirements.
• Coordinate with the Amazon account management team to capitalize on promotional opportunities (Prime Day, seasonal events) while maintaining healthy inventory levels.

Qualifications

• Bachelor’s degree in Supply Chain Management, Business, Merchandising, or related field.
• 3-5 years of experience in inventory planning, demand forecasting, or supply chain management — preferably within apparel, footwear, or fashion .
• At least 2 years of hands-on experience managing both Amazon Vendor Central and Seller Central operations.
• Proficiency in Excel (pivot tables, VLOOKUPs, basic modeling required; Power Query or VBA a plus).
• Deep understanding of apparel inventory dynamics — including size curves, color trends, seasonal buying cycles, and product lifecycle management .
• Excellent communication skills and ability to collaborate cross-functionally.
• High attention to detail, with strong organizational skills and a proactive approach to problem-solving.

What Makes This Role Unique

• Direct ownership of the Amazon inventory strategy across both Vendor Central (1P) and Seller Central (3P/FBA).
• Opportunity to merge fashion insight with analytical forecasting , managing metrics like Net PPM, IPI, sell-through, aged inventory %, and style-level margin performance .
• Influence assortment strategy by analyzing customer preferences and product performance by size, color, and season.
• Key contributor to business growth — ensuring we meet consumer demand, protect margins, and deliver the right product mix at the right time.

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