(Junior) Key Account Manager (m/w/d)

Conduct strategic account development for selected existing clients by analyzing business models, needs, and decision structures. Identify cross-selling and up-selling opportunities to develop and execute individual customer strategies. Collaborate with internal departments, vendors, and partners throughout the process from requirement clarification to contract renewal. Present software, licensing, and service concepts tailored to the target audience through personal and digital channels. Provide structured market feedback to sales, marketing, and executive leadership while contributing to offer improvements. Support selected campaigns, customer events, and vendor actions focused on existing accounts.