Bookkeepers record financial transactions and maintain accurate financial ledgers. They may also oversee accounts payable and receivable, process payroll, and track financial transactions. To become a bookkeeper, you'll want strong math skills, a keen attention to detail, and strong organizational skills. A diploma in a bookkeeping can provide a strong foundation in basic payroll accounting and skills needed to help you find an entry-level job. The programs often take less than a year and can be completed online.