Key Account Manager with German/Dutch

• Manage the full order process from system entry to shipment and post-sales support
• Actively support the sales team and participate in the sales process
• Collaborate closely with internal departments: design, purchasing, production, and finance
• Serve as the main point of contact for assigned clients and maintain strong, long-term relationships
• Onboard new clients and guide them through our logistics platform and internal processes
• Work with ERP and CRM systems to ensure data accuracy and workflow efficiency
• Monitor order status, anticipate potential issues, and proactively resolve them
• Analyze client needs and propose tailored solutions to maximize satisfaction and retention
• Prepare and present regular status updates, reports, and performance metrics for key accounts
• Ensure timely and accurate communication between clients and internal teams
• Identify opportunities to upsell or cross-sell products/services based on client needs
• Gather feedback from clients and collaborate with internal teams to improve service delivery
• Fully manage client orders, ensuring smooth coordination across all departments
• Maintain high customer satisfaction through responsive, solution-oriented service

• Stable full-time employment based on an employment contract (umowa o pracę)
• Competitive salary with a clear performance-based bonus system
• A supportive and friendly team always willing to help and share knowledge
• Attractive social benefits, including Christmas and holiday bonuses
• A high level of ownership and independence in managing your work and clients
• The opportunity to work with well-known global brands on exciting projects

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance
• flexible working time
• integration events
• mobile phone available for private use
• coffee / tea
• parking space for employees
• holiday funds

SUNDAY helps brands create, manage, and deliver high-quality custom merchandise with ease. We take care of the entire process, including design, production, storage, and global shipping, so our clients can focus on building great relationships with their communities.

Through our smart platform, companies can track orders, automate logistics, and manage their merch in one place. Whether it’s for onboarding kits, events, or team swag, we make branded merch simple, scalable, and actually fun.

Trusted by brands like HubSpot, Deel, and Cloudflare, we’re proud to support thousands of teams around the world with merch that people actually want to wear.