I found my current job on a niche job site called swissdevjobs so I’d say it’s definitely worth looking outside linkedin. There are a ton of other job boards out there, some of them pretty huge like indeed, dice, glassdoor, builtin.
I’m actually working on a tool that can scrape jobs from 10+ sites and notify you when something new pops up. You can give it a try here https://first2apply.com/
The job market is terrible right now, a lot of people competings for few job openings. My wife has also been looking for a junior FE role for almost a year and still no luck.
You just have to push through, keep applying to as many jobs as you can find, it’s a numbers game in the end.
I’m actually building a tool that can scrape job listings from ~15 sites. If it finds anything new then it sends a notification so that you can apply as soon as possible. If anyone wants to give it a try https://first2apply.com/