A metric on Upwork indicating a freelancer's overall reputation and client satisfaction based on past project outcomes.

Detailed Explanation

A high JSS (typically 90% or above) makes a freelancer eligible for Top Rated status. However, even with a lower JSS, a perfectly crafted, highly personalized cover letter can convince a client to hire you. Highlighting specific, tangible results in your proposal is the best way to overcome a sub-optimal Job Success Score.