Slí Nua Careers is where you can hire professionals to help with CV writing, intrerview preparation, or career planning: https://slinuacareers.com/ firstname.lastname@example.org +353 94 95 42965
Onetonline.org is a website made by work psychologists. This site has details on various jobs so you can be informed if it's the right job for you.
https://www.levels.fyi has information such as salaries on various jobs with major companies and promotes salary transparency
Some companies use software to filter through CVs. Some software can find it difficult to process tables so be careful if you're considering using them to format information in software like Microsoft Word.