Book excerpt: Financial technology is revolutionizing the field of finance, allowing customers to pay bills and send money more easily than in the past and giving them the tools they need to manage their own finances. And all of that is made possible through coding. This careers guide gives readers a thorough look at the different ways that they can apply coding to the field of finance, whether it�s through an existing career path or by coming up with a brand-new, revolutionary piece of code or program.