React Native Developer

I have been guiding the development of an innovative social networking app from scratch. This experience has greatly enhanced my understanding of the app development lifecycle. Spearheaded real-time chat infrastructure using SignalR, slashing message latency to <100ms and increasing daily active users. Developed a video trimmer with compression features, reducing video file sizes by 20% without compromising quality. Established a comprehensive documentation process, reducing onboarding time for new developers. Successfully launched the mobile application on the Google Play Store and Apple App Store. Facilitated a culture of learning and growth within the team by organizing weekly tech talks. Amplified user engagement by implementing fully customizable push notifications through Firebase messaging with Notifee.

Advertising and programming company. In the role, close collaboration with development team on various applications, including dating application with over 1M+ downloads. Built live chat and video call features with smooth animations, achieving 60fps performance and enabling camera switching, muting, and call status updates. Leveraged performance profiling tools such as React Native Debugger to reduce start times for video calls delayed due to excessive CPU usage and blocking of the main thread. Engineered a Tinder-style swipe algorithm using Memoization and React Native FlashList, achieving smoother scroll performance for user profiles. Guided and trained 3 newly hired developers, increasing productivity and reducing the learning curve. Identified and applied a more effective approach to displaying ads, leading to a 15% increase in ad views by showing ads effectively in the most used parts of the app.

The company influences web applications' culture. Collaborated with a professional team to meet customers, understand businesses, and develop apps from scratch, Uphold the overall quality of the codebase. Built complex animations using Reanimated, Animated, and shared transitions to create a visually engaging interface without frame drop at 60fps that reduced app load time. Adopted Watermelon DB as a local database to enable offline-first functionality, resulting in reduction in API requests and elevated app performance. Implemented App Center over-the-air updates that allowing seamless functionality changes without visiting the app store. Utilized geolocation and map-based services to create and deploy five online delivery shops, which improved customer retention and raised sales.