It is not easy to find a legitimate job online, though there are many but scammers are using those legitimate sites to their advantage by making a replica website. The process can be long but it worth it if you find one. You have to keep every detail to the job you are applying for and if ever you encounter any suspecting transaction such as, the site is asking money that has no relevance on the job then be ware.
I know that it can be much process finding a good job in the internet, but make sure that every company you tried to apply; you make a good research with it before you finally decide that it is the one. If you are applying for a permanent job, then that could mean an even longer process, you have to search for company that is dedicated in giving you a long term career.