This document provides an overview of careers in quantitative finance from the perspective of Ashwin Rao, who has worked as a VP of quant strategies at Goldman Sachs and managing director of modeling at Morgan Stanley. It defines quantitative finance as roles requiring advanced math, stats, and computer science skills. Examples of roles include derivatives traders, strategists, modelers, and algorithmic trading quants. The document offers advice for students, such as developing coding skills, and warns that much learning will happen on the job. It also describes evaluating candidates' abilities during interviews and the company ZLemma's tools for algorithmic career guidance.