Smartness is hiring a Customer Success Manager to drive revenue growth by maximizing value for customers and expanding accounts. You will lead upselling/cross-selling initiatives, manage high volumes of customer interactions, and collaborate with sales and product teams to improve the customer journey. The role requires 3–5 years in a SaaS setting with a data-driven mindset, strong CRM skills, and English proficiency at C1 level; German as a mother tongue is highly valued, with additional