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October 6, 2026
Planning Manager
Senior • On-site
Poznań, Poland
Quick Facts
Focus: retail/e-commerce planning and demand forecasting
Key work: forecasts, inventory planning, assortment recommendations
Description
You will build and manage sales forecast and product planning for an e-commerce channel, including analysis of margins, profitability, sales performance, and inventory levels (with safe stock). The role includes working with large datasets to prepare reports and business recommendations, monitoring trends and deviations, and implementing planning processes for a new online sales channel.
Responsibilities
Create sales and product forecasts for e-commerce
Analyze margin, profitability, achievement of sales goals, and business results
Plan inventory positions, stock levels (safe stock), and optimize stocking
Analyze product rotation and recommend online assortment
Prepare reports, analyses, and business recommendations from large datasets
Monitor sales results, identify trends, deviations, and improvement areas
Co-create and implement planning processes for the new e-commerce channel
Coordinate with logistics, warehouse, purchasing, marketing, and external partners
Support the project to launch online sales; identify risks and improvements
Support decisions on assortment, promotions, and inventory levels
Requirements
Minimum 5 years of experience in planning, supply chain, demand planning, merchandise planning, or commercial planning
E-commerce experience
Very good MS Excel skills
Experience working with large volumes of data
Practical knowledge of sales and demand forecasting
Experience analyzing sales, margins, and warehouse inventory
Strong analytical skills and ability to translate data into business decisions
Ability to independently build processes and recommendations
Very good English
Bonus: experience in developing an e-commerce channel, business analysis, project management, and logistics processes
Benefits
Full-time contract with employment form options (UoP/B2B)
Industry conferences, trainings, workshops, and integration meetings
Courses and certification opportunities
Relocation possibility within ALTEN Poland local offices
Private medical care (Medicover)
Private dental care (Medicover)
Medicover Benefits purchasing platform / sports card
Employee referral program (ALTEN Talenty)
Baby starter kit for new employees’ children
Group life insurance
Participation in an employee retirement program
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