I'm a versatile Full-Stack Developer specializing in React Native mobile development . With expertise in building scalable high-performance offline-first cross-platform mobile applications for Android and iOS, I deliver end-to-end solutions with clean code and industry best practices.
- 🔭 Currently working on React Native apps with offline-first architecture
- 🌱 Exploring Cloud-Native architectures, Kubernetes, and Event-Driven systems
- 🗄️ Building robust offline-capable apps with WatermelonDB and SQLite
- 🤖 Integrating AI/ML models with TensorFlow Lite and on-device intelligence
- 📡 Expert in BLE & Bluetooth Classic integrations for IoT applications
- 💼 Open to freelance projects and collaborations
- 📫 Reach me: LinkedIn
Enterprise-Grade Offline-Capable Application
- ✅ WatermelonDB integration with reactive UI updates
- ✅ SQLite foundation for rock-solid data persistence
- ✅ Lazy loading for instant app launch with large datasets
- ✅ Background sync with conflict resolution
- ✅ Handles 10K+ records with zero performance degradation
- ✅ Real-time observability and automatic component re-rendering
- ✅ Multi-table relationships with decorators (@children, @relation)
- Tech: React Native, WatermelonDB, SQLite, Redux Persist, NetInfo
Medical Device Integration Platform
- ✅ Bluetooth Low Energy (BLE) integration with medical devices
- ✅ Bluetooth Classic support for legacy devices
- ✅ Real-time sensor data streaming and visualization
- ✅ Device pairing, scanning, and connection management
- ✅ Background data synchronization with health monitoring
- ✅ Cross-platform BLE support (Android & iOS)
- ✅ Permission handling and device compatibility checks
- Tech: React Native, react-native-ble-plx, react-native-bluetooth-classic, Native Modules
On-Device AI & Machine Learning Application
- ✅ TensorFlow Lite integration for on-device inference
- ✅ ML Kit for text recognition, face detection, and barcode scanning
- ✅ Image classification and object detection in real-time
- ✅ Natural Language Processing (NLP) with OpenAI integration
- ✅ Offline AI capabilities without internet dependency
- ✅ Custom ML model deployment and optimization
- ✅ Smart chatbot with conversational AI
- Tech: React Native, TensorFlow Lite, Firebase ML Kit, OpenAI API, ONNX Runtime
Enterprise-Grade Spring Boot Backend
- ✅ RESTful microservices with Spring Cloud
- ✅ Service discovery with Eureka
- ✅ API Gateway & Load Balancing
- ✅ JWT authentication & OAuth2
- ✅ Redis caching & message queues
- Tech: Java, Spring Boot, MySQL, Docker, Kubernetes
- 📱 Built production apps with 100K+ active users
- 🎨 Expert in React Native animations & gesture handling
- ⚡ Optimized performance for 60fps smooth UI
- 🔧 Integrated native modules for Android & iOS
- 🌐 Implemented offline-first architecture with WatermelonDB & SQLite
- 🗄️ Built scalable local databases handling tens of thousands of records
- 🔄 Designed reactive data layers with automatic UI synchronization
- 📲 Redux Persist for seamless state management across app restarts
- 📡 Developed BLE (Bluetooth Low Energy) applications for IoT devices
- 🔌 Implemented Bluetooth Classic for legacy device support
- 🏥 Built healthcare apps connecting to medical sensors and wearables
- 📊 Real-time data streaming from BLE peripherals with efficient handling
- 🔐 Secure device pairing and encrypted communication protocols
- 🎯 Cross-platform BLE support with permission management
- ⚙️ Background service implementation for continuous device monitoring
- 🤖 Integrated TensorFlow Lite for on-device machine learning
- 🧠 Deployed custom ML models for image classification and object detection
- 📸 Implemented ML Kit for OCR, face detection, and barcode scanning
- 💬 Built intelligent chatbots using OpenAI API and NLP
- ⚡ Optimized AI models for real-time inference on mobile devices
- 🔌 Offline AI capabilities reducing server dependency
- 📈 Predictive analytics and recommendation systems
- ☕ Developed scalable microservices with Spring Boot
- 🏗️ Designed RESTful APIs serving millions of requests
- 🔄 Implemented event-driven architecture with Kafka
- 🐳 Containerized applications with Docker & Kubernetes
- 📊 Database optimization & query performance tuning
- 🎯 End-to-end development from UI to deployment
- 🔐 Implemented OAuth2, JWT, and secure authentication
- 📈 Integrated analytics, crash reporting, and monitoring
- 🚀 CI/CD pipelines with Jenkins & GitHub Actions
- 🔌 Built offline-capable sync engines with conflict resolution
Building apps that work seamlessly without constant internet connectivity ensures superior user experience, faster load times, and uninterrupted functionality.
- WatermelonDB: Lightweight (2MB), reactive database optimized for React Native with lazy loading and instant app launch
- SQLite: Rock-solid local database engine for critical data persistence
- Redux Persist: State management across app sessions
- NetInfo: Network status detection and connectivity handling
- ✅ Local-first data storage with background synchronization
- ✅ Real-time reactive UI updates when data changes
- ✅ Conflict resolution strategies for multi-device sync
- ✅ Lazy loading for handling large datasets efficiently
- ✅ Observable patterns for automatic component re-rendering
Building IoT applications with seamless device connectivity for healthcare, fitness, and smart home applications.
- react-native-ble-plx: BLE device scanning, connection, and data exchange
- react-native-ble-manager: Comprehensive BLE management for Android & iOS
- react-native-bluetooth-classic: Classic Bluetooth support using External Accessory framework
- Native Modules: Custom Turbo Modules for advanced Bluetooth features
- ✅ Device discovery and scanning with signal strength monitoring
- ✅ Secure pairing and bonding with BLE peripherals
- ✅ Real-time sensor data reading (heart rate, temperature, glucose monitors)
- ✅ Characteristic read/write operations with notification handling
- ✅ Background data synchronization and device state management
- ✅ Cross-platform permission handling (Android 12+ & iOS)
- ✅ Connection pooling and automatic reconnection strategies
Building smart mobile applications with AI capabilities that work offline and provide real-time insights.
- TensorFlow Lite: Lightweight ML models for mobile deployment
- Firebase ML Kit: Pre-built ML solutions for vision and NLP tasks
- TensorFlow.js: JavaScript-based ML for React Native
- OpenAI API: Advanced NLP and conversational AI integration
- ONNX Runtime: Cross-platform ML model inference
- ✅ Image classification and object detection in real-time
- ✅ Face detection and recognition for authentication
- ✅ OCR (Optical Character Recognition) for document scanning
- ✅ Barcode and QR code scanning with ML Kit
- ✅ NLP-powered chatbots and virtual assistants
- ✅ Custom model deployment with TensorFlow Lite
- ✅ Predictive text and smart recommendations
- ✅ Speech recognition and voice command processing
- 🎯 Built 10+ production-ready mobile & web applications
- 📱 Expert in React Native with 1+ years of experience
- 🗄️ Specialized in offline-first architecture with WatermelonDB & SQLite
- 📡 Developed IoT applications with BLE & Bluetooth Classic integrations
- 🤖 Integrated AI/ML models for intelligent mobile experiences
- ☕ Proficient in Java & Spring Boot microservices
- 🚀 Delivered high-traffic systems handling 1M+ requests/day
- 📲 Built apps handling 10K+ local records with zero lag
- 🔧 Integrated 20+ third-party APIs & payment gateways
- 🌐 Full-stack expertise in MERN & Java ecosystems
- 🐳 DevOps experience with Docker, Kubernetes, AWS
- ⚡ Optimized apps for instant launch regardless of data size
- 🏥 Healthcare app experience with medical device integrations
💼 Open for freelance work, collaborations, and full-time opportunities!
⭐️ From NarsingShivakumar with 💻 & ☕