Kapil B.

Full Stack Developer | Web, Mobile & AI-Powered Apps | React, Node.js

I’m a Full Stack Developer with 8+ years of experience building web, mobile, and AI-driven applications that are fast, scalable, and built to perform in real-world conditions. I specialize in turning ideas into market-ready digital products that combine functionality, intelligence, and beautiful user experiences. Over the years, I’ve helped startups and enterprises design and deploy end-to-end applications — from backend architecture and cloud infrastructure to modern frontends and mobile apps. Whether you need a SaaS platform, an AI-integrated mobile app, or an automated business tool, I can help you ship a robust product efficiently. 💻 Web App Development • Frontend: React.js, AngularJS, Material UI • Backend: Node.js, Express.js, Next.js, Meteor.js • Cloud & APIs: AWS, Firebase, REST, GraphQL • ✅ Scalable architecture with clean code and modular design ⸻ 🤖 AI, Automation & Integrations I build real-world AI and automation solutions that make apps smarter, faster, and easier to use. • Custom Chatbots & Assistants: Trained on your data using OpenAI (GPT-4/4o), LangChain, or Dialogflow — for support, onboarding, or lead management. • AI-Integrated Web & Mobile Apps: Add intelligent features like recommendations, summaries, document Q&A, and insight generation directly into your product. • Automated Workflows: Connect apps and data using n8n, Make (Integromat), Zapier, or custom API orchestration to eliminate repetitive tasks. • LLM-Powered Systems: Combine React/Next.js frontends with Python/Node backends to create chat-based interfaces, search tools, and decision assistants. • Smart Analytics: Integrate sentiment analysis, predictive insights, and notification systems for better user engagement and business automation. 💡 Example Use Cases: AI sales assistants, automated report generators, AI interview analyzers, workflow bots, and intelligent document processing systems. ⸻ 📱 Mobile App Development • Native iOS: Swift, Objective-C • Cross-Platform: React Native for iOS & Android • Real-time sync, offline support, push notifications • App Store & Play Store deployment experience ⸻ 🎮 Game Development • iOS: Cocos2D, SpriteKit • Cross-Platform: Cocos2D-x • Multiplayer logic via Photon & AppWarp • Leaderboards, animations, in-app purchases ⸻ 🔗 Blockchain & IoT • Ethereum Smart Contracts, dApp integrations • IoT Apps: iBeacon, Bluetooth/BLE, sensor integration • Real-time data synchronization and device connectivity ⸻ 🧪 Testing, CI/CD & Serverless • Testing: Mocha, Chai, Jest • CI/CD: Automated build & deployment pipelines • Serverless: Firebase Functions, AWS Lambda • Emphasis on reliability, scalability, and maintainability ⸻ 🌍 How I Work • Clean, modular, and testable code following best practices • Clear, proactive communication and regular updates • End-to-end ownership — from design to deployment • Focus on scalability, long-term value, and client success If you’re looking for a developer who can bridge front-end elegance, backend performance, and AI-driven intelligence, let’s connect. I’ll help you plan, design, and build a product that’s reliable, scalable, and future-ready. Keywords integrated for Upwork SEO: React.js, Node.js, React Native, AI Automation, OpenAI, n8n, Make, Firebase, AWS, Swift, Objective-C, Ethereum, IoT, SaaS Development, Web App, Mobile App, Chatbot Development.