In general, applying for multiple jobs at once is a good idea, especially if you're unemployed and need to work fast. However, there is a right way to do it. If you plan to send your resume to multiple job offers, make sure to do so with respect and in a way that doesn't overwhelm you. You may be applying for jobs at several different companies.
Be sure to adapt your resume to each job you apply for. This shows employers how you are prepared for the position and how you can meet their specific needs. You can apply for multiple jobs at the same company, depending on the type of positions you're looking for. It's common for companies to have several positions available at once that you might qualify for.
But you shouldn't apply for more than two positions in the same company. If you apply for several jobs that are all very different, your application won't attract recruiters. They will see this as desperation to work and not as a desire to work for the company. However, if you are applying for two positions with similar skills and qualification requirements, you can explain in your cover letter that you meet either position.
You should also mention what you know about the company and why you would like to work for it. You shouldn't apply for more than 15 jobs in a week because that way you'll lose track of your job applications. Selling yourself to recruiters will depend on how you present your talents and work experience in your job application. Taking this step is vital for hiring managers to see that you're not only desperate to find a job, but that you're investing both in the company and in specific job opportunities.
While you don't have to meet all of the requirements in a job description, you must have some of the skills needed to do the job. Applying for multiple jobs at the same time increases the chances of receiving interviews and job offers sooner. In addition, focusing on jobs that are in the same category or similar categories for which a person is qualified will improve their chances of getting the job.