health website authority bulding and backlinking

I currently have a health website that is of low authority. My main objective for this project is to increase website traffic by building authority and backlinking. To do this, I need to achieve my objectives within the timeline of 1-3 months. Therefore, I am looking for expert help to provide me with the best strategies to help me reach my goal as soon as possible. I am looking for an experienced freelancer to take on this project.