Muhammad Junaid B.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I am a Senior iOS Engineer with 8+ years of experience building high-performance, scalable, and user centric mobile applications. I specialize in developing native iOS applications using Swift, SwiftUI, and Objective-C, helping startups and enterprises transform ideas into successful products. Throughout my career, I have developed applications from concept to App Store release, as well as modernized and scaled existing products used by thousands of users worldwide. My expertise spans mobile architecture, performance optimization, real-time communication, fintech solutions, social networking, messaging platforms, subscription-based products, and enterprise-grade applications. I have extensive experience working directly with founders, product owners, and cross-functional teams to define requirements, estimate project timelines, design scalable architectures, and deliver production-ready solutions. Core Expertise: • Native iOS Development (Swift, SwiftUI, Objective-C) • iOS Architecture (TCA, MVVM, MVC, Clean Architecture) • Concurrency (Async/Await, Combine, GCD) • REST APIs & WebSockets • Firebase (Auth, Analytics, Messaging, Crashlytics) • Push Notifications & Real-Time Messaging • StoreKit & In-App Purchases • Realm, Core Data, SQLite • AI & OpenAI Integration • Performance Optimization & Memory Profiling • CI/CD (Fastlane, GitHub Actions) • App Store Submission & Review Process Technical Stack: • Swift, SwiftUI, Objective-C • TCA (The Composable Architecture) • Combine, RxSwift • Firebase Suite • Socket IO • Realm, CoreData • Google Maps & Location Services • StoreKit • Fastlane • GitHub Actions • REST APIs • GraphQL What I Can Help You With: ✅ Build iOS applications from scratch ✅ Modernize legacy Objective-C applications ✅ SwiftUI migration projects ✅ Performance and memory optimization ✅ Real-time chat & social networking apps ✅ Fintech and banking applications ✅ Subscription and in-app purchase integrations ✅ Architecture reviews and code audits ✅ Team leadership and technical mentoring ✅ App Store deployment and release management I focus on writing clean, maintainable, and scalable code while delivering exceptional user experiences and reliable business outcomes. Let's discuss how I can help bring your product to life.