Sandeep John

Experience

• 

  Saeed & Mohammed Al Naboodah Group

  Aug 2020 - Sept 2020

  IT intern
• 

  Invygo

  Feb 2021 - now

  Software Engineer

  - Led the development of the company’s current mobile application using React Native (TypeScript), adhering to industry standards. This application now drives over $100 million in annual recurring revenue.- Maintained exceptional app performance, achieving crash rates below 0.4% on both iOS and Android platforms.- Optimized user experience by keeping Application Not Responding (ANR) rates under 0.06%.- Ensured mobile application security by making it PCI compliant, successfully obtaining certification.- Developed a SaaS website for supplier integration using React, resulting in improved customer acceptance rate efficiency.- Implemented a BFF (Backend for Frontend) layer to optimize data fetching for frontend applications, preventing over-fetching and under-fetching.- Built streamlined CI/CD pipelines for mobile development, enhancing deployment efficiency.- Responsible for maintaining certificates and publishing the application to both the Apple App Store and Google Play Store.- Maintained and enhanced internal portals by adding new features and ensuring smooth operations.- Contributed to the company’s branding by building the landing page and website, ensuring a seamless user experience عرض أقل