If you are looking for a job, and have a Linked In account, it helps to have some activity in your account.
You don’t need to be a Linked-in influencer, but if there is no activity (or the last thing is very old), then I would assume that person doesn’t even use Linked In. When I’m looking for developers, I skip those profiles because it doesn’t look to me like they want to be contacted. If you are open to being contacted, create some activity—all you need is a few comments and reposts.
If you are looking for something to post, just post that you are looking for a job and what specifically you are looking for. Be specific. Build a Job Statement, and then use that.
I suspect that Linked-in will put you higher in search results as well.