The role of Senior UX Designer at IONOS SE is pivotal as it involves crafting the user experience for a new AI Agent platform aimed at small and medium-sized businesses. The designer will be responsible for enhancing user journeys, creating high-fidelity prototypes, and developing intuitive UI/UX designs. Candidates should have over 5 years of experience in UX/UI design, particularly with complex web applications, along with proficiency in major design tools.