Demand Planner | Temporary

Our client is a leading global sports brand looking for a Senior Assortment Planner to join its Planning team. In this role, you will develop and optimize seasonal assortment plans to meet consumer demand, support business growth, and achieve financial targets across multiple marketplaces and sales channels.
You will work closely with Merchandising, Finance, Marketplace Planning, Business Planning, and Supply & Inventory Management teams to ensure effective product, demand, and inventory planning.Your responsibilities will include:

• Developing and influencing seasonal assortment plans, including revenue, margin, product receipts, and inventory targets.
• Using statistical forecasting, sales data, market trends, and consumer insights to improve forecast accuracy and support data-driven decisions.
• Developing product strategies that support brand objectives, financial targets, and marketplace needs.
• Monitoring in-season sales, forecasts, and inventory performance to identify risks and opportunities, develop action plans, and drive follow-up where needed.
• Managing inventory health across product categories and marketplaces to optimize product availability and overall business performance.
• Analyzing product performance and identifying opportunities to improve sales, profitability, and inventory efficiency.
• Supporting pricing, trading, and product allocation decisions based on sales performance, consumer demand, and marketplace insights.
• Working with Merchandising teams to optimize product assortments in line with business priorities and marketplace strategies.
• Presenting assortment plans and data-driven recommendations to cross-functional stakeholders and leadership teams.
• Leading projects independently, prioritizing deliverables, and ensuring timely communication and collaboration across teams.

Requirements

• At least 5 years of direct experience in assortment planning, demand planning, merchandise planning or inventory planning.
• Strong understanding of financial planning, product performance, inventory management, and seasonal assortment planning.
• Experience with forecasting, sales analysis, and data-driven planning techniques.
• Ability to analyze complex data, identify business risks and opportunities, and translate findings into actionable recommendations.
• Strong commercial awareness and the ability to assess product potential, consumer demand, and marketplace performance.
• Experience working with cross-functional teams and influencing stakeholders through clear, data-driven communication.
• Strong problem-solving skills, strategic thinking, and the ability to work independently.
• Ability to manage multiple projects and priorities while delivering high-quality results.
• A proactive mindset, with an interest in continuous improvement, data science, and new planning methods.
• Ability to embrace change, value different perspectives, promote clarity and accountability, and take a strategic, end-to-end approach to planning.
• Currently residing in Hilversum or the surrounding area.

BenefitsContract via Undutchables and competitive secondary benefits.Est. Start Date: 02/11/2026Est. End Date: 01/06/2027Visa sponsorship will not be provided for this position Application ProcedureIf you are interested in this vacancy, you can apply by clicking on the button above. By clicking on apply, you agree to our privacy commitment and terms and conditions. Your application will be sent directly to the recruiter in charge. IMPORTANT: if you are not yet registered with Undutchables we kindly ask you to do so. Your information will be handled in the strictest confidence and your CV will not be sent to a company unless you have given prior permission. Curious about how the recruitment process works within Undutchables, click here to read more.