Anshu Kumari

Results-driven React Native Developer with 5 years of experience building scalable, high-performance mobile applications for iOS and Android. Strong expertise in React Native, TypeScript, JavaScript, Redux, REST APIs, WebSockets, real-time streaming, and Firebase. Experienced in developing production-ready applications, optimizing performance, and delivering smooth, reliable user experiences.

React Native Developer - SkillUp Online - Remote

(2026-07)

• Developing a real-time mobile learning application for SkillUp Online, enabling students to seamlessly attend live classes, access course content, and interact with instructors.
• Integrating Zoom SDK for high-quality live classes, supporting real-time video/audio, screen sharing, classroom interactions, and reliable session management.
• Optimizing mobile app performance by minimizing unnecessary re-renders, improving API handling, and efficiently managing real-time class data and application state.

React Native Developer - API Dots Private Limited - Mohali, India

(2024-07 - 2026-06)

• Developed a real-time flight tracking application monitoring 70,000+ live U.S. flights, implementing ultra-optimized map rendering and low-latency WebSocket streaming.
• Achieved 30-40% improvement in UI rendering speed by executing JS thread load balancing, interaction throttling, and background task optimization.
• Optimized large-scale data visualization using marker clustering, list virtualization, dynamic batching, and render-priority scheduling to remove frame drops.

React Native Developer - The Brihaspati Infotech - Mohali, India

(2021-12 - 2024-07)

• Reduced UI load times by 30-40% through systematic performance profiling, state architecture refactoring, and advanced memoization implementation.
• Improved application responsiveness under high user concurrency by optimizing React component lifecycle, reducing unnecessary re-renders, and streamlining state synchronization across screens.
• Strengthened application reliability by implementing comprehensive error handling, offline data persistence, and automatic network recovery mechanisms for uninterrupted user experience.

Bachelor of Technology (B.Tech) - Punjabi University (2016 - 2020) Patiala, India

Higher Secondary Education (XII) - GKJD College (2013 - 2015)