JAYASRIRAAM
என் சிறுபொழுது நாயகியே
Work Experience
Junior Software Developer
PPV Technology Pvt Ltd
Dec 2024 – Present • Chennai, Tamil Nadu, India
React.jsNode.jsThree.jsTailwind CSSZustandIonicCapacitorFirebase
Key Responsibilities:
- Engineered and deployed 10+ production-grade web and mobile applications using React.js, Ionic, and Capacitor, ensuring cross-platform stability and scalability.
- Architected a reusable UI component system using React and Tailwind CSS, enforcing consistent design language and reducing redundant styling across multiple projects.
- Built interactive 3D dashboards using Three.js to visualize complex real-time data, improving data interpretability for end users.
- Designed and integrated REST and MQTT API pipelines for real-time data synchronization across PPV's connected device ecosystem, achieving a 35–40% reduction in API response time.
- Implemented scalable client-side state management using Zustand, streamlining data flow and reducing component re-render overhead across large-scale applications.
- Integrated Firebase services including Authentication, Realtime Database, and Cloud Messaging (FCM) to enable secure user sessions, live data sync, and targeted push notifications.
- Leveraged Capacitor's native APIs to implement device-level features including camera access, GPS tracking, and push notifications for cross-platform mobile applications.
- Executed a comprehensive performance overhaul — implementing lazy loading, code splitting, and strategic caching — resulting in 35–40% faster page load times and a 30% reduction in bundle size.
- Enforced code quality standards through structured code reviews, established best practices, and maintained CI/CD pipelines for consistent and reliable deployments.
- Partnered with backend engineers and UI/UX designers in an agile workflow to deliver end-to-end, production-ready features with a focus on maintainability and technical precision.
Junior Developer
Akkenam Technologies
May 2023 – Dec 2024 • Dindigul, Tamil Nadu, India
React.jsNext.jsNode.jsExpress.jsGraphQL YogaMongoDBRedisSocket.ioJWTTailwind CSSBootstrap
Key Responsibilities:
- Architected and maintained RESTful and GraphQL Yoga APIs using Node.js and Express.js, serving as the primary data layer for ERP systems and admin dashboards.
- Designed and implemented JWT-based authentication and role-based access control (RBAC) systems, securing API endpoints and managing granular user permissions across multiple applications.
- Integrated Socket.io to engineer real-time bidirectional communication features, enabling live data updates and event-driven interactions across web applications.
- Implemented Redis caching strategies for frequently accessed data and session management, reducing database load and achieving 20–30% improvement in API response times.
- Modeled and optimized MongoDB schemas for complex ERP and dashboard data structures, writing efficient aggregation pipelines to handle large-scale data queries.
- Engineered Express.js middleware layers for centralized error handling, request validation, and structured logging — improving API reliability and reducing debugging overhead across services.
- Built responsive, modular frontends using React.js and Next.js, leveraging SSR and SSG strategies to improve SEO performance and reduce initial page load times.
- Integrated REST and GraphQL APIs on the frontend using Axios interceptors and Apollo Client, implementing centralized error handling and optimistic UI updates for seamless UX.
- Contributed to an internal UI component library using React, Tailwind CSS, and Bootstrap — standardizing reusable patterns across projects and reducing frontend development time by 30%.
- Managed application deployments and environment configurations across development and production pipelines, ensuring zero-downtime releases and maintaining CI/CD best practices within the team.
Freelance Frontend Developer
Independent Projects
Jan 2022 – May 2023 • Dindigul, Tamil Nadu, India
HTMLCSSBootstrapTailwind CSSJavaScriptReact.js
Key Responsibilities:
- Built responsive landing pages and SEO-optimized websites for local clients.
- Delivered clean, semantic HTML and modular CSS for maintainable web experiences.
- Ensured high accessibility standards (WCAG) and mobile-first performance.
Featured Work
Roles & Responsibilities:
- Architected a scalable Ionic React front end integrated with Firebase, delivering real-time devotional updates and quotes.
- Implemented Redux for seamless state management across dynamic modules like Daily Quotes and Temple Timings.
- Integrated Firebase Cloud Messaging for push notifications and real-time event triggers.
IonicCapacitorSCSSReduxFirebaseREST API
Roles & Responsibilities:
- Developed a responsive admin dashboard with React.js and Bootstrap, ensuring pixel-perfect UI alignment across breakpoints.
- Implemented secure role-based access (Admin, Volunteer, Viewer) to streamline responsibilities and prevent unauthorized access.
- Used Firebase Firestore for live content management and integrated push notification triggers.
React.jsBootstrapReduxFirebaseREST API
Roles & Responsibilities:
- Integrated MQTT for real-time telemetry updates and pump control via WebSocket protocols.
- Designed a responsive UI with modular components for device lists, alerts, and analytics dashboards.
- Built live charts using Chart.js to visualize flow rates, tank levels, and water usage patterns.
IonicCapacitorSCSSReduxFirebaseMQTTChart.js
Roles & Responsibilities:
- Engineered a clean and functional dashboard for device configuration and live telemetry visualization.
- Implemented real-time synchronization with MQTT broker through Firebase’s cloud messaging system.
- Built analytics components to show daily, weekly, and monthly system health trends.
React.jsBootstrapReduxFirebaseREST APIChart.js
Roles & Responsibilities:
- Designed and developed dynamic modules for inventory, production tracking, and employee task monitoring.
- Created a clean UI using Tailwind CSS for consistent UX across all internal modules.
- Integrated REST APIs for transaction workflows, ensuring smooth synchronization between modules.
React.jsTailwind CSSReduxFirebaseChart.jsREST API
Roles & Responsibilities:
- Developed a reusable component library for faster UI development cycles.
- Connected REST APIs using Axios with centralized interceptors for error handling.
- Implemented code-splitting and route-based lazy loading for optimal load speed.
React.jsBootstrapReduxChart.jsREST API
Roles & Responsibilities:
- Integrated Redux Toolkit for state logic.
- Engineered a modular ERP architecture to manage finance, HR, and project tracking within PPV.
- Built real-time dashboards with Chart.js to track productivity and billing metrics.
React.jsTailwind CSSRedux ToolkitHeadless UIChart.js
Roles & Responsibilities:
- Developed a cross-platform IoT mobile application using Ionic React and Capacitor for Android and iOS.
- Implemented Redux for seamless state management and live telemetry data tracking.
- Used Firebase for notifications, and device configuration storage.
IonicCapacitorReduxFirebaseREST APIMQTT
Roles & Responsibilities:
- Engineered a modular, scalable frontend using React.js and Tailwind CSS across production modules.
- Architected a reusable component library with React.js and Tailwind CSS, standardizing design patterns and UI interactions across all modules — significantly reducing development overhead for new feature additions.
- Implemented Zustand for lightweight, scalable client-side state management — streamlining cross-module data flow, minimizing unnecessary re-renders, and maintaining predictable state across complex admin workflows.
React.jsTailwind CSSZustandChart.jsREST APIAxios
Roles & Responsibilities:
- Engineered a full-scale ERP backend using Node.js, Express.js, and GraphQL Yoga — designing modular resolvers and schema definitions across 12 production modules including Inventory, HR, Payroll, Finance, CRM, Purchase, Sales, Reports, Appointments, and Production.
- Implemented JWT-based authentication with refresh token rotation and granular role-based access control (RBAC), securing all API endpoints and enforcing permission boundaries across User Management and Settings modules for multi-user ERP workflows.
- Integrated GraphQL subscriptions and Socket.io to deliver real-time bidirectional updates across live Sales, CRM, and Production workflow dashboards — enabling instant data propagation across concurrent user sessions.
React.jsNext.jsTailwind CSSNode.jsExpress.jsGraphQL YogaMongoDBRedisSocket.ioJWT
Roles & Responsibilities:
- Architected a multi-service backend using Node.js, Express.js, and GraphQL Yoga to power a full dental ecosystem.
- Implemented JWT-based authentication with role-based access control (RBAC) across patient, doctor, clinic admin, and internal staff roles — securing all API endpoints and enforcing strict permission boundaries per user type.
- Integrated Socket.io for real-time bidirectional communication across appointment status updates, treatment progress notifications, and live admin dashboard data — ensuring instant sync across web and mobile clients.
Next.jsReact.jsTailwind CSSNode.jsExpress.jsGraphQL YogaMongoDBRedisSocket.ioJWTFirebase
