I build modern, scalable, and secure iOS applications with a strong focus on architecture, performance, React Native, and AI-powered product experiences.

• 💼 Senior/Staff iOS Engineer with 12+ years of experience
• 📱 Expertise in Swift, SwiftUI, UIKit, Objective-C
• ⚛️ Building React Native fundamentals with JavaScript, React hooks, Context API, navigation, lists, and API-driven screens
• 🔐 Strong focus on secure mobile systems (SSL pinning, VPN, networking)
• 🤖 Building AI-powered mobile experiences (streaming UI, structured responses)
• ⚡ Passionate about performance, reliability, and scalable architectures

• 🏗 iOS Architecture (MVVM, VIPER, MVI, Modular Design)
• ⚛️ React Native app development with Expo, components, hooks, FlatList, navigation, Context API, and reusable UI patterns
• 🟨 Modern JavaScript and React fundamentals, including state, effects, controlled inputs, custom hooks, and component composition
• 🔐 Secure Networking (SSL Pinning, Token Handling, Network Extensions)
• ⚡ Performance Optimization (Instruments, MetricKit)
• 🔄 Async Programming (Swift Concurrency, Combine)
• 🤖 AI Integration in Mobile Apps (LLM-based features, streaming UI)

Languages & Frameworks Swift • SwiftUI • UIKit • Objective-C • JavaScript • React • React Native • Expo • Combine • Swift Concurrency

React Native & Frontend Components • Hooks • Custom Hooks • Context API • FlatList • Navigation • API Fetching • UI State Management

Networking & Security REST • GraphQL • URLSession • Apollo iOS • SSL Pinning • VPN

Tools & Performance Xcode • Instruments • MetricKit • XCTest • CI/CD

A SwiftUI MVI reference app demonstrating reducer-driven state, side effects, async loading, and testable architecture. It uses a single source of truth, explicit user intents, pure state transitions, and focused unit tests.

Professional macOS diagnostic and crash reporting application built with Objective-C and integrated with Sentry SDK + MetricKit. Features real-time network monitoring, comprehensive system log collection with automatic PII redaction, multiple crash testing scenarios, and diagnostic bundle export capabilities.

SwiftUI application showcasing reactive programming with Combine framework. Implements MVVM architecture with debounced text input, reactive networking, async image loading, pagination, and offline-friendly caching for GitHub user search.

A structured 30-day learning journey mastering React and React Native from a mobile engineer's perspective. Covers modern JavaScript, JSX, reusable components, state management, useEffect, controlled inputs, FlatList, navigation, API fetching, custom hooks, Context API, and production-minded UI states.

• 💼 LinkedIn: https://www.linkedin.com/in/nirav-jain-51057039/
• 📧 Email: niravjain02@gmail.com
• 💻 StackOverflow: https://stackoverflow.com/users/735868/nirav-jain

⭐️ Always exploring better ways to build scalable, secure, and intelligent mobile apps.