There are various levels of certifications available at Salesforce.com.
To name a few, there are Certified Administrator & Advanced Administrator, Certified Platform Developer and Advanced Developer, Salesforce Certified App Builder, Certified Sales & Service cloud consultant, Certified Solution Architect, and many more (Please visit Salesforce website to view complete list)
Since it is the resume which speaks first to the companies; if the hiring manager likes a resume, only then decision of personal interview is made.
In order to maximize the chances of getting interviewed one must have an appealing resume that clearly highlights the skills and stands out. Certifications are one such things that when mentioned on a resume, grabs the attention of the recruiters.
This increases chances of short listing as certified professionals are the preferred choice for any organization.
If you are starting your training from the scratch, JanBask Salesforce Training Program is capable of equipping you to acquire complete knowledge of Administrator, Developer as well as App builder.
After completing program you may plan to get at least these two to three basic level of certification(s).
And subsequently as you gain more learning you can progress and add more senior level certifications.