Hey There,
With a respectable nine-plus years in the tech industry, I, Shubham, am a seasoned full-stack developer who has honed his skills by executing over 550 mobile and web projects to clients' utmost satisfaction. I think my proficiency and experience make me a strong fit for creating an app like WhatsApp but with Twitter's flavor just as you require. I possess hands-on expertise in the tools that will be paramount for your app's development, such as React Native, Node.js, and Laravel among others, including android, iPhone mobile app development.
Furthermore, I'm well-versed in integrating third-party APIs into applications and designing enterprise websites and web-services which would play a pivotal role in implementing crucial features like group chats, voice & video calls, and file sharing - the pillars of your envisioned app. Besides technical qualifications, I believe my reliability, honesty, ability to work both independently and as a team player would be beneficial for this project given its progressive nature.
Counting on my proactive attitude and an accuracy rate of approximately 98% - 100%, I am confident that with me on board, the journey from concept to execution of this project will be one marked by transparency, quality service and commendable work satisfaction. Let's connect further to discuss your project requirements in detail.