After the offer, the applicant feels more secure and knows that he can join the job, and the original company knows that it doesn't matter if he is looking for a job.
Before joining the company, the company felt very safe. If there is really a problem with the back tone, it is still more troublesome to dismiss after joining the company.
HR can actively communicate with candidates, try to gain their understanding and answer their questions in time. For example, the resignation resume should be reversed first, and the on-the-job resume should not be reversed temporarily.
There are also special circumstances, such as before the offer, it is generally done by an unprofessional HR/ company. For example, this position is in a hurry, you should join it immediately, and then change your mind. This is also the case. Special treatment for other special circumstances.
Therefore, whether you do background checks before or after joining the company, you must ensure that the information provided to the company is true. Usually there is a statement on the OFFER. Only when the resume is true and the information provided is true can the OFFER be considered valid. Work experience is generally within three months. You should know that professional third-party background investigation companies can directly contact HR of various enterprises. It's easy to find your previous employment information, so don't take chances.