The Senior Developer R-Shiny & React role at functionHR GmbH is focused on developing R-Shiny applications and enhancing the user experience of their software solutions. The responsibilities include designing and implementing frontends, creating data visualizations, and optimizing software interfaces across devices. Candidates should possess a strong background in R, R-Shiny, React, and related technologies, with at least three years of relevant experience. functionHR offers a flexible remote wo