The key to a winning job proposal is to tailor your approach, highlight your skills, and understand client needs. Read on to learn more.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. Here's an Upwork proposal sample and proven fundamental rules to write Upwork proposals. Hire the best Project Proposal professionals. Check out Project Proposal professionals with the skills you need for your next job. 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. Learn how to write up work proposals that win you those freelance jobs.