Translators and interpreters are in high demand and work flexible hours from home. The U.S. Department of Labor says that the career field for certified translators can expect 40 percent job growth through 2024, with an average starting salary of $20 an hour. As a proficient Spanish-English bilingual, develop the knowledge and skills necessary for translation. To participate, you must possess a high level of proficiency in both languages. This course covers the knowledge needed to take the state certification test. $30 materials fee.