I'm seeking a skilled developer to create a web-based performance management tool. This tool is essential for streamlining our appraisal process and enhancing employee feedback mechanisms. Key features must include: - Increment scales - Manager rating - Normalisation - Increment percentage correction - Feedback letters to employees post-appraisal User Roles: - Employees - Managers - HR Administrators User Authentication: Email and password Ideal Skills and Experience: - Experience in developing web applications - Strong understanding of performance management systems - Proficient in implementing secure authentication methods - UI/UX design skills for a user-friendly interface - Background in HR tech solutions is a plus Please provide a portfolio with relevant projects.