Ajay Hadiya

Experienced React Native Developer with 4 years of expertise in building scalable, high-performance, and user-centric mobile applications. Proficient in React Native, Redux Toolkit, React Navigation, and TypeScript with strong skills in API integration, app performance optimization, secure SDK integration and offline data handling. Passionate about delivering clean, maintainable code and collaborating in Agile environments to drive innovation and product excellence.

Possess solid experience in application performance optimization, memory management, and offline data handling using local storage and synchronization strategies to ensure seamless user experiences even in low-network conditions. Adept at collaborating with cross-functional teams including designers, backend developers, and QA engineers to translate business requirements into high-quality mobile applications.

Mobile Application Developer - Platter Management

(2026-01)

• Worked on GraphQL APIs using TanStack Query (React Query) for efficient data fetching, caching, and state synchronization in mobile applications.
• Feature Enhancements & Bug Fixes – Developed new features, optimized existing components and resolved bugs to improve app performance

React Native Developer - Siya Infotech Solution

(2024-05 - 2025-12)

• Designed and developed POS user interface from scratch in both platform Android and IOS.
• Built custom native modules (Android/iOS) to integrate PAX Payment SDK and other device-specific functionalities into React Native applications.
• Collaborated in Agile sprints with designers and senior developers, contributing to feature enhancements, bug fixes, and code reviews.
• Developed UI from Scratch – Designed and implemented a fully responsive, user-friendly, and intuitive UI for a seamless POS experience.
• Managed Offline Data with Realm – Implemented Realm for local database storage, enabling offline data handling and synchronization when online.
• State Management with Redux Toolkit – Utilized Redux Toolkit to efficiently manage global state, API calls, and data flow across the application.
• Push Notifications with Firebase – Integrated Firebase Cloud Messaging (FCM) to deliver instant notifications to users.
• Printer Integration – Connected and managed printing functionalities for receipts and invoices using compatible SDKs.
• PAX SDK :- Built custom native bridges (Android/iOS) to connect PAX SDK with React Native components.
• Custom Hooks & Reusable Components – Developed hooks for API handling, state persistence, and component logic reuse.

Jr. Developer - Optimum Financial Solution

(2022-08 - 2023-11)

• Designed and developed Mutual Fund and SIP mobile application features from scratch using React Native.
• Implemented secure authentication mechanisms including Biometric login and Two-Factor Authentication (2FA) to enhance user security.
• Collaborated in Agile sprints with designers and senior developers, contributing to feature enhancements, bug fixes, and code reviews.
• UI Development from Scratch – Designed and developed a fully responsive and intuitive user interface for mobile applications.
• Performance Optimization – Enhanced app efficiency by optimizing rendering, reducing API load, and managing memory effectively.
• API Integration & Data Management – Implemented and managed API calls efficiently to ensure smooth data flow and user interactions.
• Integrated APIs and managed seamless data flow between native components and WebView content.
• Implemented Two-Factor Authentication (2FA) to enhance user security and comply with financial standards.
• Fingerprint Authentication – Implemented biometric authentication for secure user access.

Web Developer - ultraneous Technologies

(2022-01 - 2022-08)

• Assisted in developing responsive web applications using React.js and modern JavaScript (ES6+).
• Built basic reusable UI components and implemented layouts based on design requirements.
• Integrated REST APIs to display dynamic data in the application.
• Supported backend development using Node.js and Express.js for creating simple APIs.

Bachelor of Technology - B.Tech - Kamdhenu University (2016 - 2020)

12th - HSC - P.P.SAVANI (2014 - 2020)

10th - SSC - Devka Vidhyapith (2013 - 2014)