Senior/Staff iOS Engineer expanding into React Native | Swift, SwiftUI, JavaScript, React, AI, Security
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 complete Grind 75 interview preparation repository for Swift and iOS engineers. Includes all 75 problems with reusable Swift implementations, LeetCode-ready submissions, XCTest coverage, problem explanations, algorithm patterns, data structures, complexity analysis, and 4-week/8-week study plans.
A SwiftUI MVI reference app demonstrating reducer-driven state, async effects, dependency injection, offline cache fallback, and testable unidirectional architecture. It uses Swift 6 strict-concurrency checks, explicit Sendable boundaries, deterministic UI-test launch states, SwiftLint/SwiftFormat validation, and CI-backed 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.
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.
| Repository | Description | Tech Stack |
|---|---|---|
| Grind75-Swift | Complete Grind 75 Swift interview prep with tests, docs, and study plans | Swift, XCTest, Algorithms, DSA |
| MVITaskFlow | SwiftUI MVI reference with reducer-driven state, async effects, cache fallback, CI, and strict concurrency | Swift, SwiftUI, MVI, XCTest |
| DiagnosticsTool | macOS Diagnostics + Sentry | Objective-C, Sentry SDK |
| ReactAndReactNativeFundamentals | React + React Native learning journey | JavaScript, React, React Native, Expo, Hooks, Context API |
- 💼 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.