The book "Programmer Career" is based on the author's practical participation in many interviews conducted by the best companies. It is the essence of hundreds of interviews with many candidates, the result of answers to thousands of questions asked by candidates and interviewers at the world's leading corporations. Out of thousands of possible tasks and questions, 189 of the most interesting and significant were selected for the book. The sixth edition of this global bestseller will help you best prepare for an interview when hiring a programmer or manager in a large IT organization or a promising startup. The bulk of the book consists of answers to technical questions and tasks that applicants usually receive during interviews at companies such as Google, Microsoft, Apple, Amazon and others. The typical mistakes that candidates make, as well as effective techniques for preparing for an interview, are discussed. Using the material in this book, you can easily prepare for a job at Google, Microsoft, or any other leading IT company.