Hire the Best Objective-C Developers

My core competency lies in iOS mobile app development. I build nice and fast applications that uses iOS/iPadOS and watchOS; I use cutting edge technologies and latest versions of the SDK while keeping compatibility with older versions of iOS and iPhones. I have more than 12+ years of flawless experience in iOS development (Objective-C and Swift and SwiftUI experience with solid background in analysis, design, development and implementation of iPhone and iPad applications. I write clean and modular code, you can review my code on Github:- Username: hackiftekhar (Just open Github website and add my username after / slash, Upwork doesn't allow URL in Bio) - Developed an open source library IQKeyboardManager: 16,000+ stars on Github - Total 8+ years of iOS development experience - Worked more than 10,000 hours on Upwork - Member of Talent Cloud Mobile Developers (Premium) - Pro developer on Upwork I can work individually and also with the team following AGILE, I'm a good team player and love to collaborate with product guys and fellow developers to prepare Jira Stories and groom them. I've worked with different teams around the world and been part of many enterprise levels apps which has millions of users. My skills and experiences are as follows: -------------------- Languages --------------------  Objective-C  Swift  SwiftUI -------------------- iOS Native --------------------  iPhone/Apple Watch/iPad  Realm, Core Data, SQLite  SwiftUI, ARKit, OCR, MapBox  IoT, BLE (Bluetooth low energy device), Beacons integration  Audio and Video frameworks  Automation: CI/CD Tools  Braintree Payments, Paypal, Stripe and Dwolla integration  Build Sharing: Testflight, HockeyApp, DeployGate and Diawi  Google, Flurry, Facebook, Fabric and Mixpanel Analytics  In-app purchase, Local & Push Notification, iCloud Looking for a long-term opportunity to handle project individually or join team. I would love to provide my services on a good idea to make a great product. Iftekhar Qurashi Mobile Architect

SENIOR iOS DEVELOPER 20+ NATIVE iOS APPS | EXPERT PROBLEM SOLVER & BUG FIXER | AGILE ENTHUSIAST SUMMARY OF QUALIFICATIONS ● Extensive experience in developing high-quality iOS applications, with expertise in Swift, SwiftUI, Objective-C, with hands-on expertise in Combine and URLSession for efficient app communication. ● Proven ability to design and build complex apps from scratch, following Apple’s Human Interface Guidelines, and successfully navigating the App Store review process. ● Strong knowledge of app architecture patterns like MVC, MVP, MVVM, and VIPER, with hands-on experience in integrating RESTful APIs, third-party libraries, and JSON parsing. ● Strong communicator skills with experience working in cross-functional teams in fast-paced environments, bringing a proactive and collaborative approach to problem-solving skills. ● Developed robust iOS applications of audio and video category and possess extensive knowledge of audio and video frameworks, including AVFoundation. ● Proficient in XCode, ensuring quality code and implementing continuous integration and continuous delivery (CI/CD) throughout the development lifecycle. ● Strong advocate for Agile methodologies, driving best practices in coding standards, code reviews, testing, and operations, ensuring high-quality and reliable code. PROFESSIONAL SKILLS ● Languages: Swift, SwiftUI, Objective-C, Java, C/C++. ● Technologies: OpenGL ES2, GLSL . ● Database: RealmSwift. ● IDE/Tools: Xcode, Android Studio, VSCode, Git/Github, Bitbucket. Jira. ● Design Patterns: MVC, MVVM, MVP, Dependency Injection, SOLID Principles, etc. ● Frameworks: Combine, AVFoundation, Core Data, Core Animation, Firebase, RESTful APIs. ● Deployment: Apple’s AppStore and Google’s PlayStore. ● Methodologies: Agile (Scrum). ● Other Skills: CI/CD, Code Review, Testing(Unit testing and UI testing), Bug Fixing. WORK EXPERIENCE iOS Developer Gemstone Lights Calgary Ltd., Alberta, Canada Dec 2022 – Present ● Develop and maintain an iOS application (GemStoneHubiOS). Fix critical issues and implement new features to enhance user experience using Objective-C and Swift. ● Fix critical issues such as SignUp and Login flow related. ● Implement various features like exporting 64 patterns data in a single Json file. ● Developed several high-performance iOS applications using SwiftUI, focusing on responsive design and user experience. ● Redesigned and developed 'GemStoneHubiOS' application with SwiftUI using various state management strategies, resulting in intuitive and maintainable code. ● Integrated ‘Combine’ with this('GemStoneHubiOS') SwiftUI app to build reactive interfaces, along with Core Data, animations, and transitions, resulting in faster load times and smoother user experiences. ● iOS App Store’s Link: Gemstone Lights Hub. Senior iOS Developer KITE GAMES STUDIO Ltd., Dhaka, Bangladesh Jan 2019 – Sep 2022 Key Responsibilities: ● Developed and maintained over 20 native iOS apps using Swift, SwiftUI, and Objective-C, adhering to Apple’s HIG and ensuring long-term project viability by converting 6 projects from Objective-C to Swift, including VideoEditor and AddMusicToVideo. ● Facilitated collaboration and code quality by establishing a robust continuous integration/continuous delivery(CI/CD) pipeline, mitigating integration issues, and catching bugs early, resulting in faster app release to AppStore. ● Enhanced user satisfaction by addressing feedback, fixing critical bugs and adding essential features, increasing user acquisition 20% during 2017 and 2019. ● Conducted competitive analysis to implement highly demanded features, improving app quality and functionality, as a result more than 15% new users were acquired. ● Developed efficient testing guidelines for QA, reducing testing cycle time and improving testing accuracy, which allowed the QA team to deliver apps faster than before. ● Researched faster mask image generation using an ML model for "AI Effect" and optimized the "Reshape" feature in BeautyEditor, competing with Facetune. ● Implemented concurrency and multithreading to manage image uploads/downloads in PhotoVolt, resolving race conditions. ● Integrated different architectures(MVC, MVP, MVVM, VIPER) architectures in key projects, ensuring scalability and maintainability. ● Led Agile Scrum practices, maintaining Jira-based sprints and retrospectives for continuous project improvement. ● Utilized CoreData, Realm, Keychain, and UserDefaults while adhering to SOLID principles for data persistence. ● Developed a custom framework CustomVideoCompositor for VideoEditor iOS app, reducing development time by 30%, which allowed other developers to focus on critical features. ● Collaborated with cross-functional teams, improving team efficiency and product outcomes. ● Delivered training on OOD principles, design patterns, and Agile methodologies, enhancing team skill sets. ● Integrated native and third-party frameworks like AVFoundation, Firebase, and Alamofire across multiple project

I'm a System Engineer turned into CEO. I lead a team of 150 awesome talented persons, including Developers, Creative, UX designers and QA Analysts. We love what we do and have lot of fun doing it. During the past 15 years we have been part of different kind of projects, from top notch concept technologies projects to big corporate systems. Some of our achievements - TOP 2 oDesk Agencies. - 56000+ hours logged (28+ man years !!) - 5 star rating - 100+ projects successfully done - Innovation Award 2012 - Our customers love us and we love them

I help startups and product teams build, fix, and scale mobile apps (iOS, Android, and Flutter), including apps with AI-powered features—ensuring stability, performance, and long-term reliability. With 7+ years of experience and 50+ apps delivered, I’ve worked on production apps used by real users where performance, stability, and user experience directly impact business outcomes. Clients usually come to me when: • Their app is crashing, slow, or unstable in production • Payment flows or API integrations are failing • New features are breaking existing functionality • They need to scale an app without compromising performance • AI features (chat, automation, recommendations) need to be integrated or fixed • Legacy code needs safe refactoring and long-term maintainability What I deliver: • Stable, high-performance mobile apps ready for real users • Clean, scalable architecture for long-term growth • Reliable API and payment integrations • Smooth App Store & Play Store submission and updates • AI-powered features integrated into mobile apps (chat, automation, smart workflows) My expertise includes: • Native iOS (Swift, Objective-C) & Android (Kotlin, Java) • Cross-platform apps using Flutter & React Native • AI integrations and backend-driven intelligent features • Debugging crashes, ANRs, memory leaks, and performance issues • Refactoring legacy code and improving app architecture • Backend integration using Python (Django, Flask, FastAPI), Java, and Node How I work: • I solve root problems, not temporary fixes • I prioritize stability before adding new features • I write clean, maintainable, and scalable code • I leverage modern AI tools to speed up development and debugging without compromising quality • I communicate clearly and ensure timely delivery CTA: If you're building a new app or facing crashes, performance issues, or scaling challenges, send me a message with your app details. I’ll review your requirements and suggest the best way to move forward quickly and safely.

We Build Next Generation of Mobile Applications Senior Mobile Lead Engineer | 9+ years of experience | High-quality Mobile and Web Apps | Claude Code 📊 My Core expertise is the Apple ecosystem, delivering robust solutions across iOS (Swift, SwiftUI), iPadOS, watchOS, and macOS. I work extensively with Swift, SwiftUI, UIKit, Combine, Objective-C, and advanced Apple frameworks such as HealthKit, MapKit, and complex third-party integrations. Beyond development, I provide end-to-end product delivery — from idea validation to App Store release. By combining Business Analysis, UI/UX Design, Agile Development, and Quality Assurance, we build future-proof applications that minimize technical debt and reduce long-term maintenance costs. ⸻ Services I can provide: 📱 Native Mobile Development (iOS & Android) • iOS Development: Swift, SwiftUI, UIKit, Combine, Objective-C • Android Development: Kotlin, Java • Cross-platform: React Native, Flutter • Apple Watch apps, smartwatch apps • Health & fitness apps, Apple Health, HealthKit • Maps & navigation (MapKit, Google Maps, Mapbox) • Real-time features, sockets, charts & analytics 🌐 Web Development • React, Angular, Next.js • TypeScript, JavaScript • High-performance front-end and responsive UI development 🛠 Backend & DevOps • Node.js, Python, Go, PHP • API development & third-party integrations • Cloud deployment: AWS, Docker, VPS 🎨 UI/UX Design & Product Thinking • Figma, wireframes, prototypes, user flows • Product discovery and idea validation before development 📊 Management & QA • Agile project management • Manual & automated testing • Business analysis & product ownership support ⸻ Fintech Expertise • Crypto applications (BTC, ETH, USDT, TRC20) • Real-time exchange data & socket connections • Charts, analytics, and on-chain operations • Secure authentication & sensitive data handling ⸻ Why Clients Choose Us ✔️ iOS-first team with deep expertise as Swift Mobile Developers ✔️ Reliable long-term partner for scalable product development ✔️ Strong focus on performance, usability, and clean architecture ✔️ Transparent communication and Agile processes ✔️ Full-cycle delivery: design → development → QA → release → support ⸻ Looking for a long-term Swift Mobile Developer instead of a one-off coder? If you need a stable, scalable, and carefully crafted mobile product built with modern iOS technologies, let’s discuss your goals. I can provide a clear project plan, timeline, budget estimate, and technical strategy tailored to your vision. ⸻ 🔑 Technologies & Keywords (SEO Optimized) Swift Mobile Developer, Senior Swift Developer, iOS Developer, SwiftUI, UIKit, Combine, Objective-C, Apple Developer, iPhone App Development, iPad App, macOS App, watchOS App, HealthKit, Apple Health, MapKit, Google Maps, Mapbox, Kotlin, Android Developer, React Native, Flutter, TypeScript, JavaScript, Figma, UI/UX Design, MVP Development, High-Quality App Development, Mobile Architecture, Performance Optimization, Scalable Mobile Apps, Crypto Wallet App, Bitcoin, USDT, tokens, Quality, high-quality app ⸻ 📩 Send me a message, and I’ll share my Upwork scheduler link so we can find a time that works best for you

I build apps users enjoy. Let’s build yours!🚀 ⚡ Senior iOS Engineer with 8 years and 50+ projects behind ⚡ Top Rated Plus - Top 5% of talent on Upwork ⚡ Help turn a native iPhone App idea into a solid MVP and a stable App Store release ⚡ Apple-centric expertise - iOS, iPadOS, watchOS, macOS, Apple TV (tvOS), SwiftUI, UIKit, and iOS SWIFT ⚡ App Store success - Apple Xcode, App Store guidelines, TestFlight, submission, and release support ❤️ Client-oriented 𝗖𝗟𝗜𝗖𝗞 𝗠𝗘𝗦𝗦𝗔𝗚𝗘 to get a detailed project review As a Mobile App Developer and iOS Developer, I help startups and product teams build a new iOS App, improve an existing iOS Application, or launch a full Mobile App Development project from idea to App Store: architecture, backend integration, authentication, payments, security, performance, TestFlight, and App Store submission. As an iOS Developer I’m focused on Mobile App Development, iOS App Development, and native Apple products for iOS, iPadOS, watchOS, macOS, and Apple TV (tvOS). I build iOS App products for iPhone & iPad Apps, Apple Watch apps, Apple TV Applications, and MacOS App Development using Swift, SwiftUI, UIKit, Objective C, Apple Xcode, iOS SDK, Cocoa Touch, Firebase, StoreKit, Core ML, ARKit, RealityKit, HealthKit, CloudKit, and App Store Deployment. YOU”LL GET WITH ME: ✔️ iOS & macOS – Expertise in Swift, SwiftUI, UIKit, Cocoa Touch, Objective C, and iOS SWIFT for iOS App, iPhone & iPad Apps, Apple Watch apps, Apple TV Applications (tvOS), and MacOS Mobile App Development. ✔️ App Architecture & Database Architecture – Expertise in MVVM, VIPER, Clean Architecture, PostgreSQL, MySQL, Firebase, iOS Developer Swift work, Swift iOS Developer and Senior iOS Developer tasks. ✔️ Networking & API Integrations – RESTful APIs, GraphQL, Alamofire, URLSession, AWS, Firebase, iOS Mobile App Development, and Mobile App Development. ✔️ Authentication & Security – Apple Sign-In, Firebase Authentication, OAuth, JWT, secure logins, iOS App security, and iOS SWIFT authentication flows. ✔️ In-App Purchases & Payments – StoreKit, Apple Pay, Stripe, PayPal, SwiftUI Stripe screens, and payment logic for iOS App and Mobile App Development. ✔️ Apple Health & Fitness Apps – Apple HealthKit, Core Motion, SiriKit Developers, activity tracking, iOS SwiftUI, SwiftUI iOS, and AI Mobile App Development. ✔️ AR & AI App Development – Core ML, ARKit, RealityKit, Apple Motion, AI Mobile App Developer experience, and intelligent iOS App experiences. ✔️ Apple Home & IoT Apps – HomeKit, Bluetooth, SiriKit, smart automation, iOS SWIFT, and native iOS Mobile App Developer delivery. ✔️ App Store Deployment & Optimization – TestFlight, App Store guidelines, Apple Xcode, iOS App Marketing support. DELIVERED HIGH-IMPACT APP s: ✅ Business & Productivity Apps – MacOS and iPad App Development for enterprise workflows, Mobile App Design support, and Mobile UI UX Designer collaboration. ✅ Health & Fitness Apps – Integrated Apple HealthKit & Core Motion for activity tracking, Apple Watch, SwiftUI Developer work, and iOS App Development. ✅ E-Commerce & Marketplace Apps – Secure shopping experiences with Apple Pay, In-App Purchases, StoreKit, Stripe, PayPal, and iOS App Developer ownership. ✅ Streaming & Media Apps – optimized playback, AVKit, AirPlay, Apple TV Applications, tvOS support, and iOS App performance. ✅ Finance & Payment Apps – Secure transactions with Stripe, PayPal, StoreKit, OAuth, JWT, and iOS SWIFT implementation. ✅ IoT & Smart Home Apps – HomeKit & Bluetooth integrations for smart devices, SiriKit, and native iOS App automation. ✅ AR, AI & Motion Apps – Core ML, ARKit, RealityKit, motion analysis, iOS Swift Smartphone flows, and SwiftUI interfaces. APPLE BACKEND & CLOUD SERVICEC: ✔️ CloudKit & iCloud Sync – Seamless Apple cloud storage integration for iOS App, iPadOS, watchOS, macOS, and Mobile App Development. ✔️ Firebase & AWS – Scalable backend architecture, real-time database solutions, Firebase Firestore, REST API, GraphQL, and iOS Developer backend integration. ✔️ macOS Automation & Scripting – AppleScript, Shortcuts, Workflow automation, macOS Swift, ✔️ AI & ML Integration – Core ML, Apple Motion, AI Mobile App Development, ARKit, RealityKit, and intelligent app experiences. My team’s expertise: Mobile App Development, Mobile App Developer, Mobile App Developer, Mobile App Developer Ukraine, iOS Developer, iOS App, iOS App Developer, Full Stack iOS Developer, iOS SWIFT, iOS Swift Developer, iOS App Developer Swift, SwiftUI, SwiftUI Designer, Swift App Developer, Swift Mobile, Swift Designer, Swift Developer, UIKit, Kotlin Swift, React Native Mobile, Node JS React Native Mobile Developer, Full Stack Developer, Web Developer, Flutter Developer, Flutter Mobile App Development, Mobile App Development FlutterFlow, Mobile Game Developer. Sounds like a fit? 𝗠𝗘𝗦𝗦𝗔𝗚𝗘 𝗺𝗲 and get expert consultation 📩