Here are 6 simple steps in writing a resignation letter to a job that you hate: 1. Keep it short and sweet.Just resign, with a stated final date. Use one of our resignation letter templates. Resignation letters are professional courtesies that extend your professionalism, even in the last days of current employment. Ulysses S. Grant was the 18th president of the United States, serving from 1869 to 1877. Tech titans go nuclear.