ResumeBuild is an AI-driven career assistant focused on creating, refining, and customizing resumes and cover letters for job seekers. It provides real-time content analysis and applicant tracking system (ATS) optimization to enhance the visibility of applications. The tool also includes features for rewriting bullet points, targeting keywords effectively, and preparing users through mock interviews. Additionally, ResumeBuild can generate resignation letters, supporting users throughout various stages of their job application journey. It is designed for individuals looking to improve their job application materials with data-backed best practices.