E-Commerce Demand Planner

Metyis is growing! We are looking for an E-Commerce Demand Planner, to join our Digital Commerce team, based in our Porto Digital Campus.

Who we are

We are Metyis, a forward-thinking, global company that develops and delivers solutions around Big Data, Digital Commerce, Marketing and Design and provides Advisory services. We have offices in 15 locations with a talent pool of 1000+ employees and more than 50 nationalities, dedicated to creating long-lasting impact and growth for our business partners and clients.

What we offer

• Opportunity to accelerate the pace of digitalisation & eCommerce growth through advanced technology, business intelligence, and analytics. 

• Driving high-impact insights enhancing decision-making across the entire organisation. 

• Driving brand equity and digital sales through enhanced digital experiences.

• Interaction with senior business and eCommerce leaders on regular basis to drive their business towards impactful change.

• Become part of a fast-growing international and diverse team.

• Work in a strategic partnership with a world-renowned industry leader.

What you will do

As an E-Commerce Demand Planner, you will be responsible for developing accurate demand forecasts and implementing inventory strategies to support sales targets across key marketplaces. You’ll play a pivotal role in aligning product availability with consumer demand, leveraging marketplace data, business insights, and cross-functional collaboration. This is an exciting opportunity for a commercially minded planner with a strong background in retail and fashion, particularly in digital and marketplace environments.

Your main responsibilities will include:

• Define inventory requirements to meet sales targets and optimize stock availability across digital channels.

• Develop and maintain detailed demand forecasts (weekly/monthly) at SKU, category, and channel level.

• Analyse marketplace performance data to identify demand patterns, growth opportunities, and risks.

• Collaborate with commercial teams (buying, merchandising, marketing) to align forecasts with assortment, promotions, and product lifecycle strategies.

• Integrate marketplace insights, marketing activity, and pricing strategy into forecasting models.

• Monitor key performance indicators such as sell-through rate, stock coverage, turnover, and availability.

• Partner with supply chain teams to ensure timely replenishment and minimize stockouts or excess inventory.

• Provide actionable, data-driven insights to improve overall planning effectiveness and marketplace performance.

• Collaborate with the BI team to continuously enhance existing reports, ensuring they are accessible and actionable for the broader team to drive informed decision-making.

• Optimize inventory statuses across multiple locations, aligning stock allocation with platform performance and customer demand to maximize availability and sales potential.

• Track and report on core e-commerce KPIs and business metrics.

What you’ll bring

• Minimum of 2-3 years of working experience in demand planning, e-commerce, or merchandise planning within retail, fashion, or consumer goods.

• Completed a relevant degree in Economics, Engineering, Supply Chain, Fashion Merchandising, or related field.

• Strong knowledge of e-commerce and online marketplace platforms (e.g., Zalando, About You, Amazon).

• Advanced Excel skills and proficiency with BI tools such as Power BI.

• Strong analytical capabilities paired with commercial awareness.

• Deep understanding of retail seasonality, fashion trends, and fast-paced marketplace environments.

• Excellent cross-functional collaboration and communication skills.

• Fluent in English, with strong written and verbal communication.

• Experience in international, consulting, or high growth/start-up environments is a strong plus.