As an accomplished mobile and web developer, I possess the skills and experience needed to excel in this full-stack project. Over my 7-year career, I have designed, developed, and delivered a wide range of innovative applications using PHP, CSS, and HTML--all key components of your project. Most crucially, I've worked extensively on integrating databases into web-based applications. Combining this with my knack for creating secure, hijack-proof authentication systems makes me a strong candidate for your user login/authentication feature.
Moreover, my in-depth knowledge of HTML will allow me to effectively structure your HTML as per the design provided. During my career, I have optimized numerous design mock-ups into actualized websites, ensuring quality through semantic HTML implementation essential for search engine-optimization and future-proofing. Hollistically, my skills in version control using Git would ensure streamlined collaboration throughout the development process.
My strong portfolio highlights successful completion of projects similar to yours - business websites featuring image/file uploads, seamless database integration for robust application's backend (HTML/CSS frontend), and an unwavering commitment to timely delivery that aligns with your needs are clearly demonstrated in these works. With me on-board, I'm confident we can build you a finely-tuned full-stack PHP/CSS/HTML masterpiece