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 📩 

Hello! I’m Alex, a Lead Software Engineer with extensive experience in leading teams, driving processes, establishing architecture, and delivering top-notch projects 🚀 I started my career in IT in 2015. Since then, I have brought both technical mastery and collaborative experience to help businesses build comprehensive mobile solutions. 𝗪𝗵𝗮𝘁 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘀𝗮𝘆: "𝘖𝘭𝘦𝘬𝘴𝘢𝘯𝘥𝘳 𝘸𝘢𝘴 𝘰𝘶𝘵𝘴𝘵𝘢𝘯𝘥𝘪𝘯𝘨, 𝘢𝘯 𝘦𝘹𝘤𝘦𝘭𝘭𝘦𝘯𝘵 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘦𝘳 𝘢𝘯𝘥 𝘤𝘰𝘮𝘮𝘶𝘯𝘪𝘤𝘢𝘵𝘰𝘳, 𝘢𝘯𝘥 𝘨𝘳𝘦𝘢𝘵 𝘷𝘢𝘭𝘶𝘦." "𝘈𝘭𝘦𝘹 𝘪𝘴 𝘢 𝘩𝘪𝘨𝘩𝘭𝘺 𝘴𝘬𝘪𝘭𝘭𝘦𝘥 𝘱𝘳𝘰𝘧𝘦𝘴𝘴𝘪𝘰𝘯𝘢𝘭 𝘸𝘪𝘵𝘩 𝘨𝘳𝘦𝘢𝘵 𝘢𝘵𝘵𝘦𝘯𝘵𝘪𝘰𝘯 𝘵𝘰 𝘥𝘦𝘵𝘢𝘪𝘭 𝘢𝘯𝘥 𝘢 𝘧𝘰𝘳𝘸𝘢𝘳𝘥-𝘵𝘩𝘪𝘯𝘬𝘪𝘯𝘨 𝘢𝘱𝘱𝘳𝘰𝘢𝘤𝘩. 𝘏𝘦 𝘦𝘯𝘴𝘶𝘳𝘦𝘴 𝘵𝘩𝘦 𝘱𝘳𝘰𝘫𝘦𝘤𝘵’𝘴 𝘧𝘰𝘶𝘯𝘥𝘢𝘵𝘪𝘰𝘯 𝘪𝘴 𝘴𝘵𝘳𝘰𝘯𝘨 𝘢𝘯𝘥 𝘣𝘶𝘪𝘭𝘵 𝘧𝘰𝘳 𝘵𝘩𝘦 𝘭𝘰𝘯𝘨 𝘵𝘦𝘳𝘮." I help businesses and startups bring their ideas to life and engage more effectively with their customers by developing mobile solutions 📱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗽𝗿𝗼𝗰𝗲𝘀𝘀: - Discovery/Requirements: 🔍 💭 - Estimation: ⚖️ 📊 - Sprint Planning: 📅 ⭐ - Development: 💻 ⚙️ - Testing: 🔬 ✅ - Release: 🚀 🎯 - Maintenance: 🔧 🛠️ 💬 Ready to discuss your next project? Don't hesitate to send a message! Expertise Keywords: Swift, SwiftUI, UIKit, CoreData, SwiftData, Mobile UI Design, UX for Mobile, In-App Purchases, Adapty, Qonversion, AdMob, RevenueCat, Stripe, CoreLocation, MapKit, Combine, RxSwift, GoogleMaps SDK, Apple Maps, MVVM, Cocoapods, Swift Package Manager, TestFlight, AppstoreConnect, AVFoundation, iPhone Camera API, Push Notifications, Firebase, Native Apps, Mobile App Testing, SDK Integration, Mobile Analytics, MVP Development, Wireframe, iOS Development, Fullstack Developer, Stripe SDK, Agile, QA, Testing, Unit Testing, Project Specification, Apple's App Store Guidelines, Interface Design Principles

Hi, I’m a senior mobile app developer with 12+ years of experience building high-performance iOS, Android, and cross-platform apps. I specialize in taking ideas from concept to App Store, handling project planning, prototyping, MVP development, debugging, and deployment. I work extensively with Flutter, SwiftUI, React Native, Firebase, MongoDB, and AI-powered features, delivering scalable, secure, and user-friendly apps across industries like fintech, healthcare, real estate, and e-commerce. I pride myself on clear communication, daily updates, and long-term client relationships. Whether you need complex UI design, seamless authentication systems, or AI-driven functionality, I do my best so that every app meets the highest standards. I thrive on projects that challenge me both technically and creatively, and I’m committed to turning your ideas into polished, market-ready apps. Let’s build something amazing together.

The App Works. The Business Grows. | Senior Mobile Application Developer Android | Flutter |Swift | iOS | React Native | KMM Developer 10+ years building mobile apps that handle real users, real money, real-time communication, and real business problems. I've helped launch banking apps, healthcare platforms, AI products, video streaming solutions, chat systems, and high-scale mobile applications used by thousands of users. Instead of just writing code, I focus on building products that are scalable, maintainable, and ready for growth. WHAT I BUILD ✓ Android Apps (Kotlin, Java, Jetpack Compose) ✓ Flutter Apps ✓ iOS Apps (Swift, SwiftUI) ✓ Kotlin Multiplatform (KMP) ✓ AI-Powered Mobile Applications ✓ Chat, Messaging & WebRTC Video Calling ✓ Fintech & Banking Solutions ✓ Healthcare & Telemedicine Apps ✓ OTT & Video Streaming Platforms ✓ SaaS & Enterprise Applications TECH STACK Kotlin • Jetpack Compose • Flutter • Swift • KMP • Firebase • GraphQL • REST APIs • Supabase • AWS • Room • SQLDelight • Coroutines • Hilt • MVVM • MVI • Clean Architecture WHAT CLIENTS GET - Fast Development - Clean, Scalable Architecture - Daily Communication - Long-Term Support - Production-Ready Code App Store & Play Store Release Support Whether you need a new mobile app, a senior engineer to rescue a struggling project, or an expert to scale an existing application, I can help. Let's build something users actually love using.

I'm a Top Rated Plus Senior Mobile App Developer with 5+ years of experience building polished, high-performance iOS and Android apps using Swift, SwiftUI, UIKit, Kotlin, Java, Jetpack Compose, and XML layouts. I consistently deliver quality work, fast communication, and long-term value. I specialize in native development using the latest technologies: 📱 iOS Development: Swift, SwiftUI, UIKit Figma to iOS App Animations ChatGPT / OpenAI API Integration Backend Integration Combine, CoreData App Store deployment, In-App Purchases, Adapty, CatRevenue 🤖 Android Development: Kotlin, Java, Jetpack Compose, XML layout Figma to Android App ChatGPT / OpenAI API Integration Backend Integration Room DB, LiveData Google Play deployment, Firebase Integration, Adapty, CatRevenue 🚀 What Sets Me Apart: ✅ Top Rated Plus – Trusted by long-term clients ✅ Clean, scalable code and modern UI/UX ✅ Strong communication and on-time delivery ✅ MVVM, MVI, MVC, MVP Architectures ✅ Full product builds & scaling ✅ Pixel Perfect Design Whether you're a startup building your first MVP, or an established business looking to scale and improve your mobile presence — I’m here to bring your vision to life with speed, quality, and professionalism. Let’s connect and create something amazing!

I'm a passionate iOS developer with a strong focus on Swift, SwiftUI, and UIKit. With a proven track record of delivering high-quality apps, I'm well-versed in Core Data, Firebase, and other cutting-edge technologies. 🎯 What I Offer: ● Proficient in Swift, SwiftUI, and UIKit ● Extensive experience in building feature-rich iOS apps ● Solid understanding of 3rd party API integration, trade-offs and possible concerns ● Meticulous attention to detail, code optimization and performance enhancements ● Collaborative team player with excellent communication skills 💼 Past Achievements: ● Developed and launched several successful iOS apps. ● Optimised app performance, resulting in improved user experience. ● Refactor's that improved performance across the board and reduced app size. ● Modularised apps ensuring reusability across multiple apps. ● Collaborated with cross-functional teams to deliver outstanding results. If you're looking for an iOS developer who can bring your app ideas to life and elevate your business, let's connect! I'm committed to creating top-notch iOS applications that exceed expectations.

I build iOS apps that work, scale, and help businesses move faster. Give me an app idea, a broken product, a Figma design, or an existing codebase, and I’ll turn it into a clean, stable, App Store-ready iOS product. My focus is simple: build mobile apps that are not only technically solid, but also useful for real users and aligned with the business behind them. If you send me an invitation or message, I can review your idea, app, or requirements and explain how I may be able to help. A little more about me: I help founders, startups, and businesses build, improve, and scale iOS applications using Swift, SwiftUI, UIKit, APIs, AI integrations, Firebase, fintech flows, subscriptions, maps, and scalable mobile architecture. Whether you need to launch an MVP, rebuild an existing app, integrate AI features, improve UX/UI, fix bugs, connect a backend, add payments, or prepare your app for the App Store, I can help turn the technical chaos into a working product. Over the past 7 years, I’ve worked on educational startups, AI micro-projects, fintech apps, marketplace products, and client mobile applications. Selected work includes: • AI-powered faith app with Bible reading, religious learning chat, daily tasks, and marketplace-focused engagement • Online banking app with money transfers, currency exchange, in-app messaging, card issuing, UI direction, and UX improvements • Footnotes, a London city exploration app built around places, stories, local context, and map-based discovery What I can help with: • MVP iOS app development • Swift and SwiftUI development • UIKit development and legacy code improvement • AI app development and ChatGPT / OpenAI API integration • FinTech app development • Marketplace app development • SaaS mobile app development • API integration and backend connection • Firebase, Firestore, authentication, and real-time database logic • In-App Purchases, subscriptions, and monetization • MapKit, CoreLocation, location-based apps • App Store release and TestFlight setup • Bug fixing, refactoring, performance improvement, and feature development I don’t just write code from a task list. I help translate business goals into clear product logic, clean user flows, and scalable iOS architecture, so your app is easier to launch, test, improve, and grow. If you’re looking for an iOS Software Engineer who understands Swift, SwiftUI, UIKit, AI apps, fintech products, marketplaces, SaaS apps, API integrations, and mobile product development, send me a message. 🔧 EXPERTISE: iOS Development | iOS App Development | Swift | SwiftUI | UIKit | Mobile App Development | AI App Development | OpenAI API | ChatGPT Integration | FinTech App Development | Marketplace App Development | SaaS App Development | Firebase | Firestore | REST API Integration | API Integration | In-App Purchases | Subscriptions | MapKit | CoreLocation | MVVM | Clean Architecture | App Store Submission | TestFlight | Bug Fixing | Refactoring | UI/UX Improvements | Mobile App Architecture | AI-Driven apps | map-based apps | Mapbox | MapKit | OpenAI API | Apple Intelligence

• Results-driven iOS Developer with 6 Months of experience in designing, developing, and maintaining robust and scalable iOS applications. Proficient in Swift, with a strong understanding of iOS frameworks and best practices. Successfully delivered multiple high-quality apps, enhancing user experience and achieving high ratings on the App Store. Adept at collaborating with cross-functional teams to define, design, and ship new features. Skilled in problem-solving, debugging, and optimizing app performance to ensure a seamless user experience.

🤝 𝗟𝗲𝘁'𝘀 𝗯𝘂𝗶𝗹𝗱 𝗮𝗻 𝗮𝗽𝗽 - 𝘀𝘁𝗮𝗯𝗹𝗲, 𝗳𝗮𝘀𝘁, 𝗮𝗻𝗱 𝗶𝗻𝘁𝘂𝗶𝘁𝗶𝘃𝗲. I'm an iOS Developer and Swift iOS Developer who builds products people actually enjoy using and businesses can confidently scale. As an iOS Developer with over 8 years of experience, I specialize in full-cycle iOS Development for startups, SaaS companies and growing businesses. As a Swift iOS Developer and Mobile App Developer Ukraine, I deliver production-ready, scalable, user-centered apps through structured ios mobile app development and modern iOS Development practices. As a Mobile Developer and mobile application developer, I helped clients achieve: 📈 Increased in-app conversion rates by 18-35% through UX optimization 🚀 Reduced crash rates below 0.5% via structured testing and debugging ⚡ Improved app load speed by up to 40% 💰 Increased user retention through performance-focused iOS Development 🔁 Faster feature rollout cycles with modular architecture 💡 Tech Expertise of an iOS Developer As a seasoned iOS Developer and swift mobile developer, I provide: 🔸 Full-cycle Swift iOS Development and swift ios development lifecycle management 🔸 Structured ios application development and ios development planning 🔸 Advanced API Integration (RESTful APIs, JSON) 🔸 Real-time solutions with Firebase 🔸 Push notifications & background services 🔸 Local & remote data storage (Core Data, SQL) 🔸 Performance optimization & Software Debugging 🔸 Version control with Git 🔸 CI/CD and App Store deployment 🔸 User Authentication As a Swift iOS Developer, I treat code review and clean commits as part of the job, not an afterthought. 🔋 My Approach to iOS & Mobile Projects As a senior iOS Developer, I manage the full Mobile App Development cycle: 1. Technical discovery & architecture planning 2. Clean and scalable iOS Development 3. Structured testing & Software Development best practices 4. Performance optimization 5. App Store deployment As an experienced Swift iOS Developer, my daily core environment is Swift, SwiftUI, UIKit and Objective-C, Apple Xcode, PostgreSQL, Dart. My iOS Developer approach to iOS Development ensures performance optimization, clean architecture and intuitive UI/UX to ensure stable, scalable ipad app development. My background as an iOS Developer in swift ios development allows me to build secure, high-performance apps with structured architectures like MVVM and Clean Architecture - essential for long-term iOS Development success. I've worked across mobile app design, occasionally as an ai chatbot developer building conversational features, and as an ios game developer creating interactive experiences. 🧩 Cross-Platform & Flutter Development Beyond native iOS Development, I work confidently as a flutter developer and full stack mobile developer. I've contributed to multiple scalable flutter apps, worked with bubble io certified developer mobile app workflows, and collaborated closely with more than one flutter developer team to align mobile architecture with backend services. My exposure to React Native and flutter strengthens my overall ios mobile app development expertise and allows seamless integration between native and hybrid solutions. I also work with figma mobile app handoffs, turning designs into production-ready flutter and Swift iOS Developer builds. My experience as a Mobile Developer also extends beyond Apple's ecosystem. I regularly collaborate with an android developer team and participate in android development and Android App Development workflows. I understand Android, Kotlin and Java, which helps maintain consistent architecture across platforms - a real iot development use case in several connected-device projects. I'm not only an iOS Developer, I have experience as a full stack developer and full stack mobile developer, integrating backend logic, databases and APIs into robust Mobile App Development pipelines. I also work with web developer teams and UI specialists on iOS Development, mobile app design and cross-device consistency. On select projects I've stepped in as an ai mobile app developer and ios developer ai, integrating lightweight AI features such as recommendations or smart automation directly into iOS apps - though my core focus remains native iOS Development, Swift iOS Development and flutter. Throughout every Mobile App Development project, as a Swift iOS Developer I apply Agile Software Development methodologies to ensure predictable delivery, transparency and measurable progress. I also support mobile app marketing efforts with App Store optimization input, since a great mobile app developer should understand how an app gets discovered, not just how it's built. As a Swift iOS Developer, swift mobile developer and flutter developer, I collaborate closely with android developer, designers and product teams on every Mobile App Development project - delivering reliable iOS Development and flutter solutions from discovery through App Store launch.

I build AI-powered native iOS apps that people actually use. Over the last 14+ years I’ve helped startups build, modernize, and scale iPhone, iPad, Apple Watch, and macOS applications. Recent projects: • HealthKit + OpenAI MVP shipped to TestFlight in 3 weeks • Real-time pose detection and motion analysis using ML Kit with a 60 FPS camera pipeline • Real-time Whisper transcription with structured AI insights • Live sports streaming SDK serving up to 30,000 concurrent viewers • Incremental Objective-C → Swift / SwiftUI migration without disrupting production releases I can help you: • Build native iOS applications from idea to App Store • Add AI-powered features using OpenAI, Whisper, Gemini, or on-device models • Integrate HealthKit, Apple Watch, and fitness features • Build subscription apps with StoreKit 2, RevenueCat, and Superwall • Improve performance, fix crashes, and resolve App Store review issues • Modernize Objective-C and UIKit codebases without risky rewrites • Review your architecture before development starts and help you choose the right technical approach I enjoy solving complex engineering problems—large legacy codebases, AI integration, media processing, performance optimization, and scalable application architecture. Whether you’re building a new product or improving an existing one, I can help you avoid expensive technical mistakes and ship faster. Send me your idea, design, or existing repository, and I’ll suggest the best technical approach, realistic milestones, and an implementation plan.