The key to a winning job proposal is to tailor your approach, highlight your skills, and understand client needs. Read on to learn more.Want to write a proposal, but not sure where to start? Here are some easy examples to read through and get an idea of how to write a proposal for Upwork. Your proposal is your elevator pitch, it is your cover letter, it is your first impression, it is the first thing a potential client will see. Here's the structure I'll follow in each job. Keep them short and sweet. One sentence about who you are, one sentence reiterating the project using their words from the post. How do I fill this out? Here's an Upwork proposal sample and proven fundamental rules to write Upwork proposals.