Having spent a considerable time working with Python and Django, my expertise aligns perfectly with your requirements. I have a solid experience in implementing third-party open-source applications like Polr, understanding their intricacies and tailoring them to fit client needs. My familiarity with Graphene and Django-REST-Framework will come especially handy in creating URL Bookmarklets and tracking click statistics effectively.
I can appreciate the significance of SEO optimization and link sharing simplicity in today's digital landscape. By leveraging my skills in JavaScript, HTML as well as SEO/Digital Marketing, I can assure you not only a solid system for shortening URLs but also an improved SEO ranking for your domain.
Lastly, being well-versed with AWS, DigitalOcean, Azure, GCP, I understand how critical it is to maintain the high standard and robustness of any application. This goes hand in hand with the core value you seek - attention to detail. My dedication to quality craftsmanship coupled with your project vision will undoubtedly lead us to success. Let me streamline this process for you and deliver beyond your expectation!