The key to a winning job proposal is to tailor your approach, highlight your skills, and understand client needs. Read on to learn more.The first 2 sentences in the UpWork proposal are the real meat to get the client's attention. Here are 7 Hooks that can be performed really Good for you. Discover easy to use freelance proposal samples for UpWork, and learn about the best tips for writing a proposal that works. 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. These notes are based on what the client sees when receiving proposals. The job I posted was for a frontend developer listed as US only as hourly job.