As a seasoned full-stack developer with deep iOS app development experience, I'm confident in my ability to enhance your current application and provide those necessary features you're asking for. I'm well-versed in using Swift and have leveraged Firestore for multiple projects, making me proficient in integrating a signup functionality into your existing code. In addition, my command over iOS development will enable me to seamlessly build the profile page and implement the user search and friend list feature that you need.
Drawing from my vast range of technical skills that span across HTML5, CSS3, JavaScript, React.js and Node.js among others, I’m well-equipped to understand your project requirements holistically. As a result, I not only deliver robust yet efficient solutions but ensure that they align perfectly with your vision. My code is clean, scalable and performs seamlessly because I believe that every bit of detail matters and can elevate an application's overall performance.
Moreover, user experience forms a crucial aspect of any digital product and with my additional proficiency in graphic design, I would be able to craft an appealing profile interface translating to a seamless experience for your users. Let's work together to enrich your application! Keeping our lines of communication open throughout the process, I assure you quality work within timelines. Let's start bringing your ideas to life!