Packia Sabarish J

• Developed the DMS Onboarding Portal using React.js, designing a scalable architecture with reusable components, Ant Design UI library, and custom hooks to streamline distributor onboarding workflows.
• Managed global state using Redux, implemented JWT authentication for secure route access, and used React Router for dynamic client-side routing and navigation across multistep forms with robust validation.
• Optimized app performance with lazy loading, React.memo, and code splitting; integrated RESTful APIs via Axios and ensured responsive design using CSS Modules and Flexbox.
• Built and maintained retailer-facing mobile app using React Native for clients like Amul, Atomberg, and Dabur, improving user engagement and enabling real-time sales tracking with a responsive and modular architecture using React Hooks, Axios, and React Navigation.
• Utilized React Native Encrypted Storage and AsyncStorage for secure, persistent data storage, and implemented i18next to support dynamic multilingual content and localization across regions.

Frontend Development

• Worked on the front-end of web applications for TYMEPLUS, HASHCHING, TRACTASK using React.js, implementing reusable components, React Hooks, and React Router for dynamic navigation and improved maintainability.
• Implemented global state management using Redux, enabling predictable data flow and efficient handling of shared state across complex UI components and application modules.
• Integrated payment gateway (Stripe API) for secure transaction flows and enhanced user experience.
• Built real-time video calling features using the Twilio SDK, improving user interactivity and aligning with accessibility standards.
• Collaborated closely with backend developers to structure and consume RESTful APIs, ensuring optimized and scalable data workflows.

Backend & AWS Development

• Developed backend services using Node.js and Express, building RESTful APIs, handling authentication/authorization with JWT, and optimizing server-side performance.
• Designed and deployed serverless applications with AWS Lambda and API Gateway, ensuring high scalability and reduced infrastructure overhead.
• Worked with Amazon DynamoDB for efficient NoSQL data storage and retrieval, including query optimization and schema design.
• Implemented file storage and retrieval with Amazon S3, applying secure access policies and lifecycle management.
• Leveraged AWS EventBridge for event-driven architecture to automate workflows and integrate microservices.
• Monitored and maintained applications using Amazon CloudWatch for logging, metrics, and performance alerts.
• Collaborated with cross-functional teams to integrate frontend and backend systems, delivering end-to-end solutions in Agile environments.