Zankhna Mayani

Developed SafeZone React Native mobile application with offline incident reporting, Redux state management, camera/image capture, and AWS S3 upload, delivering a cross-platform field tool that increased agent efficiency by 42%. Built Admin Analytics Dashboard using React.js, Redux, and Chart.js with dynamic data filtering, RBAC-based UI rendering, and export tools, enabling managers to make decisions 38% faster. Engineered 15+ reusable React.js components with Redux Toolkit for global state management and React Query for server-state synchronization, reducing UI development time by 31% and ensuring consistent design patterns. Developed RESTful API endpoints using Node.js and Express.js with PostgreSQL (AWS RDS) and MongoDB Atlas, optimizing queries and indexing to reach 33% faster responses for 500+ concurrent users. Integrated OAuth 2.0 and JWT authentication on frontend (protected routes, session handling, RBAC-driven UI) and backend (AWS Cognito, Firebase Auth), achieving 95% compli

Built and maintained AngularJS frontend modules including dynamic forms, data grids, and reusable directives for enterprise web applications, improving platform responsiveness by 33% for 1,200+ active users. Developed React Native Android applications with Redux state management, React Navigation (stack/tab), and responsive layouts, increasing mobile user engagement by 15% across all user segments. Created Chart.js-powered data visualization dashboards within React.js and AngularJS frontends, translating backend data into interactive KPI cards, trend graphs, and drill-down reporting views. Designed and deployed Node.js/Express.js RESTful APIs and WebSocket-based real-time communication services, reducing data latency by 36% for live operational dashboards and high-frequency workflows. Optimized PostgreSQL, MySQL, and MongoDB queries through indexing, query restructuring, and connection pooling, reducing execution time by 27% for analytics and reporting modules. Implemented automated te