Satendra S.

👋 Hi, I'm a Top Rated Plus Senior Software Engineer with 16+ years of experience building high-performance applications for macOS, iOS, watchOS, and tvOS. I specialize in native Apple development while also delivering modern backend services and cross-platform mobile applications using Node.js, Expo, TypeScript, and JavaScript. 🚀 Over the past 16+ years, I've successfully delivered 150+ applications across industries including SaaS, Business Intelligence, Graphic Design, Education, Healthcare, Productivity, Event Management, Audio/Video, AI, and System Utilities. My work powers applications used by millions of users worldwide. 💻 Apple Development Expertise • 🍎 macOS Application Development • 📱 iOS (iPhone & iPad) • ⌚ watchOS • 📺 tvOS • ⚡ Swift & SwiftUI • 🧩 Objective-C, Cocoa & C++ • 🌐 Safari Extensions • 🔒 System Extensions • 🎙️ Audio & Media Applications • 🤖 AI Integration 🌍 Backend & Cross-Platform • 🟢 Node.js • 📦 Expo • ⚛️ React Native • 🔷 TypeScript • 🟨 JavaScript (ES6+) • 🔗 REST APIs • ☁️ Firebase • 🍃 MongoDB • 🐘 PostgreSQL • ⚡ WebSockets 🛠️ What I Can Help You With ✔️ Build macOS and iOS applications from scratch ✔️ Develop scalable Node.js backend APIs ✔️ Build cross-platform mobile apps with Expo & React Native ✔️ Modernize and maintain existing applications ✔️ Performance optimization & memory profiling ✔️ Bug fixing and feature development ✔️ Architecture design & code reviews ✔️ Long-term product development and support ⭐ Why Clients Hire Me ✅ Top Rated Plus Freelancer ✅ 15+ Years of Professional Experience ✅ 150+ Successful Applications Delivered ✅ Products Used by Millions of Users ✅ Clean, Scalable & Maintainable Code ✅ Reliable Communication & On-Time Delivery 💬 Whether you need a powerful macOS desktop application, a polished iOS app, a scalable Node.js backend, or a modern Expo/React Native mobile application, I'm ready to help turn your idea into a reliable, high-quality product. Let's build something amazing together! 🚀