The Senior Quantum Device Theorist will develop and guide research on quantum information technologies by creating models and simulations of semiconductor devices. Responsibilities include working with teams on device design, fabrication, and data analysis, and contributing to business development efforts.

The Senior Quantitative Modeler at Cash App will develop statistical and machine learning models to forecast business outcomes, utilizing time series analysis and novel statistical methods. This role involves collaboration with various teams to deliver insights that influence company strategy, requiring excellent communication skills to present findings to executives.