Need help drafting a job offer letter? A job offer letter isn't a contract.It doesn't require a signature and, as you've experienced, a signature doesn't guarantee a job. Can I back out of it if I receive a better offer from another company? No. It's different from a formal "Contract" of employment. Those become legal and binding upon joint signatures. Here's a step-by-step guide to creating an offer letter that conveys your company culture and will help to create a smooth onboarding process. It is fine to ask for an "unsigned" copy of the contract and offer letter before accepting the job. Electronic submission of your application through a CalCareer Account certifies your application in place of a signature and date signed. Download the "Parent Asset Informative"(PDF) form below.