I've read your requirements & I am confident that I have the right skills and experience that would make me the perfect candidate for this project & I would be grateful for the opportunity to discuss this further with you.
My extensive experience with designing and developing websites using PHP, JavaScript and Python on Rails matches well with your requirements. In addition, my background with working in large development teams has given me the skills to adjust to the changing dynamics and processes of those environments while meeting scheduled milestones and deliverables.
For the past 5 years I have been working as a full stack developer. During this time I gained extensive experience in front-end & back-end development, mobile app development, designing UI/UX, debugging and fixing website, mobile app and software issues, optimising website and their database, managing Cloud/Server & deployment of web and mobile apps.
I am confident in my ability to create high-quality and well-functioning websites, web applications, mobile applications, softwares & UI/UX.