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I've checked your job posting carefully and I know what you want to do. As a senior Mobile developer, I've developed Mobile apps for IOS and Android platform using Swift, Java, React Native, Flutter since 2017 and have deep knowledge in developing backend api using Node.js and Express.js. And also I'm very familiar with Third Party Integration, Restful API Integration, Firebase, and GraphQL. I'm very interested in this position and I wanna discuss it with you in more detail. Through this project, I would contribute a lot to your company's growth and success with my all, but also I can complete my professional career perfectly. I sincerely hope to long term relationship with your company. I'm looking forward to hearing from you Kind Regards Hello Dear my name is and I have checked your job requirement carefully now. As I senior iOS app developer, I have developed a lot of iOS apps from scratch architecture to launch since 2017. 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