__Its_zeeshan

Senior Flutter and iOS Developer with over 5 years of experience delivering scalable, enterprise-grade mobile applications across fintech, logistics, and consumer sectors. Expertise includes payment gateway integrations, Firebase, WebSockets, performance optimization using Flutter DevTools. In-depth knowledge of state management architectures and native Swift integrations, ensuring robust, efficient, and high-quality cross-platform mobile solutions.

Skilled in driving innovation and enhancing user experience through cutting-edge mobile technologies.

Senior Mobile Developer at Radiansys Technologies Pvt. Ltd (2022-03 – Present)

• Eliminated unnecessary rebuild cycles and implemented ListView.builder and RepaintBoundary, to reducing load times.
• Engineered a WhatsApp-style real-time messaging system leveraging WebSocket and Firebase, incorporating grouped threads, emoji reactions, typing indicators, and APNs silent push notifications.
• Developed native Swift platform channel integrations for Face ID/Touch ID (LAContext) and Apple Pay (PassKit), decreasing authentication time by 60% and extending iOS functionalities beyond existing Flutter plugins.
• Delivered an enterprise GPS tracking solution for a logistics client using Google Maps SDK, Geofencing, and polygon boundary drawing features.
• Strengthened enterprise app security by architecting OAuth 2.0 and JWT-based social login with biometric fallback and secure Keychain token storage.
• Deployed security solutions across six production apps, achieving zero security incidents post-launch.
• Led state management standardization across six concurrent Flutter projects using BLoC, Provider, Redux, and MobX and mentored junior developers, increasing delivery velocity by 30%.
• Developed and maintained native iOS UI components using SwiftUI and UIKit.

Flutter Developer at Xcrino Business Solutions (2021-03 – 2022-03)

• Launched 3 cross-platform Flutter applications from zero to production integrating Firebase (Firestore, Auth, Storage), real-time chat, and OAuth social login.
• Implemented Razorpay payment gateway integrations with webhook handling and refactored state management using Provider and GetX to enhance maintainability.
• Applied efficient state management patterns and optimized app performance, improving responsiveness by 20% and reducing load times by 15%.
• Reduced REST API integration time per feature by 40% via a reusable HTTP client with retry logic and offline caching.

MCA in Computers – Jaipur Engineering College & Research Centre, Jaipur (2023)

B.C.A. in Computer Applications (General) – L S College, Muzaffarpur (2020)