Acting swiftly in declining a job offer ideally within 24 to 48 hours of receiving it is crucial. If you are wondering how to go about this issue without burning bridges, we have some tips.1. Let your employer know as soon as possible. Avoid letting your employer wait too long. The easiest way is with gratitude. If the employer offered you a job, say, "Thank you for this offer. Respond to a job offer within 24 to 48 hours of receiving it. Waiting longer than two days can reflect poorly and disrupt their recruitment process.