Market Development Manager

Sellpy

Market Development Manager at Sellpy driving growth in Poland. Combining data, market insights, and hands-on execution for a sustainable circular economy.

Posted 5/30/2026full-timeBerlin • 🇩🇪 GermanyMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Drive growth in one of Sellpy’s fastest-growing markets
Analyse market performance and identify opportunities across acquisition, retention and customer experience
Monitor key commercial KPIs and turn insights into actionable recommendations
Define, brief, and execute local growth initiatives, campaigns and market activations in collaboration with central channel teams and local partners
Improve seller acquisition, retention and assortment quality through data-driven initiatives
Support demand-side growth by improving assortment visibility and local customer engagement
Collaborate with cross-functional teams to improve the buyer and seller experience
Represent the Polish market and bring local insights into cross-functional discussions and decision-making

Requirements

What you’ll need

3–5 years of experience in Marketing, Commercial, Growth or a similar role
Bachelor's or Master's degree in Business, Marketing, Economics or a related field
Strong analytical skills and experience working with KPIs, business performance and commercial decision-making
Positive energy and motivation to try new approaches and tackle things head-on
Proven ability to drive projects independently and collaborate across teams
Experience translating data and insights into business actions
Fluent Polish, both written and spoken
Written and spoken fluency in English, as this is our company language

Benefits

Comp & perks

30 vacation days per year
Sellpy credits and staff discounts at Sellpy and the H&M brands (Arket, COS, Other Stories, Weekday and more)
Engagement in Sellpy’s social traditions with game nights, interactive planning days, guest speakers and other activities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

data analysisKPI monitoringmarket performance analysiscampaign executiondata-driven initiativesbusiness performancecommercial decision-making

Soft Skills

analytical skillscollaborationproject managementpositive energymotivationadaptability

Certifications

Bachelor's degreeMaster's degree