1. A job or employment undertaken in addition to one's primary job, typically to earn extra income
She took a second job at a restaurant to pay for her daughter's tuition.
Ela arrumou um segundo emprego em um restaurante para pagar a mensalidade da filha.
2. Additional work or side work done alongside a main occupation
Many freelancers use their second job as a stepping stone to full-time independence.
Muitos freelancers usam seu segundo emprego como trampolim para a independência em tempo integral.