Hire the Best Apple Watch Developers in Noida, IN

✅ 12+ years in iOS Development 🏆 100% Job Success | $200k+ earned on Upwork I help businesses build and scale mobile apps that stay fast, stable, and reliable as they grow. Many apps start facing issues after launch, slow performance, crashes, and messy code. In most cases, the problem isn’t just development, it’s architecture. I focus on building and fixing systems that scale cleanly from day one. I personally lead every project from planning to delivery. For larger scope, I work with my in-house team of 25+ developers across iOS, Android, Web, QA, and DevOps. You get a single point of contact with full execution behind it. 🚀 What I can help you with: ✅ iOS App Development (Swift, SwiftUI, UIKit) ✅ MVP to Scalable Product Development ✅ Fixing and Scaling Existing Apps ✅ Clean Architecture (MVVM, MVC) & Code Refactoring ✅ Performance Optimization & Stability ⚙️ Core Development & Features: ✔ Local database (Core Data, SQLite), offline sync ✔ API integration (REST, GraphQL) ✔ Authentication (Apple, Google, OAuth, JWT) ✔ Push notifications (APNs, Firebase) ✔ Background tasks & lifecycle handling ✔ Secure data handling & performance tuning 🔥 Advanced Integrations: ✔ AI integrations (OpenAI, ChatGPT features) ✔ Payments (Apple Pay, Stripe, in-app purchases, subscriptions) ✔ Location services (GPS, MapKit, Google Maps) ✔ Real-time chat & messaging (Firebase, WebSockets) ✔ Analytics (Firebase, Mixpanel) ✔ Media handling (image/video upload, streaming) 🏢 Proven Work: ⭐ Built and maintained a production system running across 150+ stores for Red Swan Pizza 🔗 Extended Capabilities: ✔ Backend coordination (Node.js, Firebase, AWS) ✔ Android development support via team (Kotlin, Jetpack, Room) ✔ Scalable system design for long-term growth If you're building a new app or scaling an existing one, I can help you choose the right technical direction and avoid costly mistakes early. 👉 Feel free to message me. Happy to review your app or idea before we start.

🌟 Elevate Your iOS, iPhone, iPad, and macOS Development Projects with a Proven Expert! 🌟 🔹 Over a Decade of Mastery in Crafting Digital Excellence for Apple Platforms ✅ 50+ Successful Mobile Apps Delivered for iOS, iPhone, iPad, and macOS ✅ 1600+ Hours of Top-Tier Development Across 47+ Projects ✅ POS Expert – Built a custom Point-of-Sale (POS) system for a Canada-based pizza chain, deployed in 125+ stores 🔹 Why Choose Me? ✨ End-to-End Development – From concept to App Store deployment ✨ Agile/SCRUM Pro – Reliable, iterative, and transparent workflows ✨ Deep Platform Expertise – iOS, iPhone, iPad, macOS, Swift, Objective-C, SwiftUI ✨ Industry-Specific Solutions – FinTech, Healthcare, E-commerce, Social Media, POS, and more 🚀 My Specializations: 📱 App Development Expertise ✔ Social/Dating Apps – Video/audio chat, real-time messaging (WebRTC, Twilio) ✔ E-Commerce & Marketplaces – Payment gateways (Apple Pay, Braintree), cart systems ✔ On-Demand Apps – Ride-hailing, food delivery, home services ✔ Health & Telemedicine – HIPAA-compliant data, appointment booking ✔ Live & Video Streaming – Low-latency streaming (Agora, ZegoCloud) ✔ FinTech & Banking – Secure transactions, KYC integration ✔ Augmented Reality (ARKit) – Interactive AR experiences ✔ POS Systems – Custom-built for retail, restaurants, and multi-location businesses 💡 Technical Skills & Tools Languages: Swift, Objective-C, SwiftUI Architecture: MVVM, MVP, MVC, Clean Architecture Backend Integration: Firebase, REST, GraphQL, WebSockets (Socket.IO) AI & Chat: OpenAI API, ChatGPT, CometChat SDK Payments: Apple Pay, Stripe, Braintree, Moneris, In-App Purchases Testing: XCTest, UI Automation, CI/CD (Fastlane, Jenkins) Security: Biometrics, OAuth2, End-to-End Encryption 🔧 Advanced Integrations Real-Time Features: WebRTC, Live Streaming, VOIP (Linphone, Sinch) Maps & Location: Google Maps, Mapbox, Geofencing, Beacons Analytics & Crash Reporting: Firebase, Crashlytics, New Relic Push Notifications: Firebase Cloud Messaging, OneSignal Database: CoreData, Realm, SQLite 🎯 Industries I’ve Worked In: Retail & POS – Custom checkout systems, inventory management Food & Beverage – Delivery apps, POS for restaurants Healthcare – Telemedicine, fitness tracking Finance – Mobile banking, investment apps Travel – Airline & hotel booking platforms Social Media – Dating apps, audio/video communities 💼 Notable Projects: ✔ POS System for 125+ Stores – Custom-built for a Canadian pizza chain ✔ Live Video Social App – 1M+ downloads, WebRTC integration ✔ Banking App – Secure transactions, biometric login ✔ AI-Powered Wellness App – ChatGPT integration for personalized coaching 📩 Let’s Build Something Remarkable! I’m fluent in English and passionate about turning your vision into a high-performance Apple app. Whether you need a startup MVP or a large-scale POS solution, I’ve got you covered. 👉 Get in touch today—let’s discuss your project!

I help startups and businesses build AI-powered SaaS platforms, marketplaces, and automation systems that reduce manual work and scale operations fast. I build production-ready web and mobile applications by combining 19+ years of hands-on development experience with AI-powered tools like Claude—shipping faster without compromising code quality, architecture, or UX. I also specialize in transforming outdated web apps into modern, AI-driven platforms with a clean, maintainable architecture so you’re not dependent on developers. for every small change. You’ll be able to handle minor updates yourself using AI tools like Codex or Claude. If you're looking for someone who understands both technology AND business outcomes, you're in the right place. 🚀 Core Expertise: AI-powered SaaS platforms Marketplace development (buyer/seller/admin systems) Business process automation Scalable backend architecture Custom dashboards & admin panels 🧠 How I Help You Whether you're launching an MVP or scaling an existing product, I can help you: ✅ Build your SaaS product from scratch ✅ Automate repetitive workflows using AI ✅ Develop secure and scalable backend systems ✅ Create seamless web & mobile applications ✅ Improve performance and reduce operational costs ⚙️ Tech Stack (Only What Matters) Mobile Application Development: We develop hybrid / cross-platform mobile applications using React Native CLI / EXPO, REDUX, and Flutter / Dart. PWA/progressive web application (React.js). Web Application Development: Full-Stack Development, Front-End Development, Back-End Development. MVP Development. SaaS development, Multitenancy Product Development. E-commerce & Social Media Websites. Front End Development: TypeScript, React.js, React remix, vite.js, Next.js, Vue.js, Nuxt.js, Tailwind CSS Back-end Development: Python (Django / flask / FastAPI), PHP (CodeIgniter / Laravel), Node.js (typescript), Express.js, Nest.js, fastify, Strapi Database: MongoDB, MySQL, PostgreSQL, SQLite, Amazon Redshift, MariaDB, AWS DynamoDB Tools & Technologies: Bitbucket, GitHub, Firebase, Websocket, Redis, Nginx, EC2, S3, RDS, and EBS (Elastic Block Store). 🤝 Let’s Work Together If you’re looking for: A reliable long-term developer Someone who understands business, not just code Fast execution with scalable architecture 👉 Let’s discuss your project. My experience spans various domains, as outlined below. 1. Asset management system: a web application and mobile applications for iOS and Android. 2. Location live tracking and WiFi data scanning: a web application and mobile applications for iOS and Android. 3. Habit-tracking mobile application for iOS and Android. 4. Retreat and hotel booking engine: Web Application. 5. Ticket booking system with live seat selection: web application. 6. Shipping container calculator: web application. 7. Job board mobile application and web application. 8. SaaS for hospital care and home care companies: web application and mobile application. 9. Courses booking system: A web and mobile application along with a scheduling system. E-Learning PWA: Learning languages and mobile app development. 10. SaaS for project management and task management. 11. Boutique hotel and retreat website designing. 12. Equipment rental e-commerce website development. 13. Event posting and chat system: mobile application development. 14. Development of a Bible reading mobile application with a subscription system, supporting Apple and Google Pay. 15. Dummy flight and hotel ticket booking website for visa applications. 16. SaaS for creating surveys and managing user responses. 17. Real estate website development with MLS grid integration. 18. SaaS for companies managing work assignments, customer invoicing, and task calendars. 19. Food delivery Mobile application. 20. Facebook Graph API, Instagram Graph API, Twitter API, and LinkedIn API data management. 21. Dating website development. 22. Classified listing website development. 23. Travel deals e-commerce website 24. Grocery delivery mobile application development. 25. E-commerce website for selling fine wines. 26. CV and resume creation web application. 27. Employee payroll management web application. 28. Loan management system web application. 29. scheduling system for booking home inspection appointments along with a payment gateway and connection with gohighlevel CRM. 30. revenue management system – pulls data from QuickBooks, the Mercury API and the Stripe API and calculates the revenue. 31. car and bike parts / equipment / marketplace / vendor-buyer concept. 32. SMS marketing system that is connected with Twilio 33. Developing an MVP using AI-based web application builders such as Lovable, Replit, Claude AI, Claude-assisted development and Cursor AI. Please send a message OR invite me to your job so we can schedule a Zoom meeting.

🏆 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 𝐢𝐎𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 🏆 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 🏆 12+ Years Exp in 𝐢𝐎𝐒 Development 🏆 5+ Years Exp in 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 🏆 BLE 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 I am 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐩𝐥𝐮𝐬 𝐢𝐎𝐒 & 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 (Top 3%) with 12+ years of experience building high-performance apps for 𝐢𝐎𝐒, 𝐀𝐧𝐝𝐫𝐨𝐢𝐝, 𝐚𝐧𝐝 𝐜𝐫𝐨𝐬𝐬-𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 using 𝐅𝐥𝐮𝐭𝐭𝐞𝐫, 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞, 𝐒𝐰𝐢𝐟𝐭, 𝐚𝐧𝐝 𝐊𝐨𝐭𝐥𝐢𝐧, BLE & AI Expert.

 I help startups, founders, and businesses build 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬 and Full Stack Architect for scalable apps & debugging with scalable architecture, modern UI/UX, secure backend systems, and production-ready deployments for both the 𝐀𝐩𝐩𝐥𝐞 𝐀𝐩𝐩 𝐒𝐭𝐨𝐫𝐞 and 𝐆𝐨𝐨𝐠𝐥𝐞 𝐏𝐥𝐚𝐲 𝐒𝐭𝐨𝐫𝐞. From startup MVPs to enterprise-grade applications, I develop clean, scalable, and user-focused apps across multiple industries including Healthcare, Fintech, SaaS, E-Commerce, Marketplace, Dating, Delivery, Education, Real Estate, Logistics, and AI-powered applications. 🔧 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 ✅𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: Swift , Flutter, React Native, Kotlin, SwiftUI, Dart, FlutterFlow ✅𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈𝐬: Laravel, Node Js, MongoDB, MySQL, Firebase, Supabase, GraphQL , REST, ✅𝐔𝐈/𝐔𝐗 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 Figma , Adobe XD ✅𝐏𝐚𝐲𝐦𝐞𝐧𝐭𝐬 & 𝐌𝐨𝐧𝐞𝐭𝐢𝐳𝐚𝐭𝐢𝐨𝐧: Stripe, Apple Pay , Razorpay, PayPal , Google Pay,, Subscriptions
 ✅𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 & 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧: JWT, OAuth, Encryption, App Optimization ✅𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐓𝐨𝐨𝐥𝐬: Git, CI/CD, Sentry, Firebase, Postman, TestFlight, Play Console I have worked super hard to keep the great ratings, with solid & transparent communication, and taking on projects when I know I can deliver top results. 🔹🔹WHAT I OFFER:🔹🔹 ✅ Innovating the Future | Scalable Solutions | Empowering Businesses with Technology ✅ Custom iOS & Android App Development (Native & Cross-platform) ✅ Full-stack Web Development (Frontend & Backend) ✅ UI/UX Design focused on user engagement and retention ✅ Robust API Integrations and Cloud Deployments ✅ Agile project management with transparent communication ✅ Enterprise-Ready Solutions** – IOT, BLE, AI, FinTech, Healthcare, POS, VOIP, and more 🤔 If you are looking developer : Fix Mobile App Bugs App Debugging Expert Improve App Performance App Crash Fixing Optimize Mobile App Upgrade Existing App Maintain Existing App Add New Features in App 🚀🚀 MY CORE EXPERTIES:🚀🚀 📱 Mobile Platforms: iOS, iPadOS, watchOS, macOS, Android, Flutter, React Native 💻 POS Systems – Multi-store support, printer integrations, inventory 🎥 VOIP & Streaming – WebRTC, Sinch, CallKit, PushKit, Agora 💬 AI + Chatbots – ChatGPT (OpenAI), CometChat, GPT-driven flows 🛒 E-Commerce & Payment Systems – Apple Pay, Braintree, Stripe, PayPal , Square 🛰️ IoT – ESP32, Raspberry Pi, MQTT, AWS IoT Core, Google Cloud IoT, WebSockets 📡 BLE – Bluetooth Low Energy (BLE), ESP32 BLE, Flutter BLE, nRF Connect, GATT Profiles, 📦 App Store & Play Store Launch– Submission, review handling 💡💡 TECH STACK & TOOLS:💡💡 Languages: Swift, Objective-C, SwiftUI, Kotlin, Java, Flutter, React Native Architectures: MVC, MVVM, MVP, Clean Architecture Backend: Firebase, REST, GraphQL, WebSockets Payments: Stripe, Braintree, Apple Pay, Moneris, In-App Purchases Realtime/VOIP: WebRTC, Sinch, Linphone, Socket IO Location: Google Maps API, Mapbox, Beacons, Geofencing Database: CoreData, Realm, SQLite Security: Biometrics, OAuth2, End-to-End Encryption Testing & CI/CD: XCTest, UI Automation, Fastlane, Jenkins Analytics: Firebase, Crashlytics, New Relic AI Tools: OpenAI (ChatGPT API), AI-based logic and workflows 💼 KEY PROJECTS: ✔️ IoT System – Built and scaled to 125+ stores with OTA remote updates 📱 Job Portal Development – 2M+ downloads, integrated with CleverTap for analytics 🩺 Healthcare App – 1M+ downloads, integrated with Agora & WebRTC 🏦 Fintech Banking App – Biometric login, secure KYC flow, multi-role access 🧠 AI Wellness Coach – GPT-driven engagement using OpenAI APIs 🎧 Real-time Features – Real-time chat & audio/video calling with Sinch, Agora 🏦 Marketplace App Development: Complete Booking orders ✔️ Payment Integration : Stripe , Razorpay etc. ✔️ Admin Dashboard Development ✔️ On Demand Service Booking System WHY CLIENTS CHOOSE ME? • 🗺️ 🎨 Full-Cycle Development: From ideation to deployment and beyond, we handle every aspect of your project, providing a smooth and transparent process. • 🎓 🧑‍🎓Experienced Team: With a collective experience of over 50+ projects in mobile and web development, we deliver quality, performance, and user satisfaction. • 💻📱 Cross-Platform Expertise: Whether it's native or cross-platform, we have the right skills to deliver efficient solutions that meet your budget and timeline.

As a specialized iOS developer, I have extensive experience in native app development for iPhone, iPad, iWatch, and Apple TV, as well as in hybrid and cross-platform solutions. I excel in creating innovative, highly customized, scalable, and feature-rich iOS applications. Proficient in Swift, Objective-C, SwiftUI, and MacOS, I am responsible for designing and implementing new features, establishing app architecture, and ensuring optimal performance. Having successfully completed numerous custom iOS projects, I bring a deep understanding of the entire development lifecycle from design and architecture to deployment and publishing. If you're seeking a dedicated full-stack iOS developer for high-performance, user-centric mobile applications, I would be eager to bring creative and strategic solutions to your project. 𝐢𝐏𝐚𝐝/𝐢𝐏𝐡𝐨𝐧𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷ As a full-stack iOS developer, I have decent expertise on native iOS- iPad/iPhone app development technologies: ✅ Languages for Native iOS App Development: Swift 2 / Swift 3, Objective-C, Javascript, AngularJS, NodeJS, Jquery, Mobile Jquery, React JS, HTML5. ✅ iOS iWatch/iPad/iPhone app Frameworks: UIKit, AFNetworking, Cocoa touch, AFNetworking, SDWebImage, Foundation, Alamofire, ionic, Cordova, Phonegap ✅ iOS Tool: Xcode (8.2,8.2.1), Notepad++, SublimeText, Atom, Xcode IDE, SQLite, Git, SVN, Jira, JustinMind, ScreenFlick, Crashlytics, Postman ✅ iOS iPad, iPhone app Networking/Cloud: JSON, REST APIs, SOAP APIs, XML, Parse, CloudKit. ✅ Live Stream Video/Audio, Financial iOS App, Event App, Loan Calendar ✅ Social network integration (Facebook, Twitter, Gmail etc.) on iOS iWatch, iPad, iPhone app ✅ Push Notification, Geo-Location - GPS location processing etc. ✅ Debugging, fixing and maintenance of existing code and Upgrading native iOS iPad, iWatch, iPhone apps to Swift from Objective-C. ✅ iOS iPhone App Design UI/UX tools: Storyboard, Sketch, Photoshop etc. ✅ Wireframing for native iOS iPhone, iPad App: InVision, Balsamiq, Marvel and MockingBot. ✅ In-App purchases implementation on iOS iPhone, iPad Apps ✅ iOS Code Repository: GitHub, SVN. ✅ ADS integrating (Admob, iAd etc) on Native iOS iPad and iPhone Apps ✅ Google Map Service, Apple Map Service, Geo-Location integrating ✅ Speech recognition, text-to-speech, Siri and OpenAir ✅ App Store / Google Play Market submission process. ✅ Understanding of mobile security protocols, analytics and social channel integration on iPad and iPhone Apps ✅ Photo/video/audio management (capturing, editing and sharing) ✅ iOS iPad and iPhone Chat API’S: Video Conferencing (Zoom/WebRtc/Twillio) ✅ Device, Kit: Bluetooth Low Energy (BLE), iBeacon, NFC, credit card reader. ✅ iOS Apps Analytics SDKs: Google analytics, Fabric ✅ iPhone, iPad Apps Backend Development: Node.js /PHP/Dot Net backend development ✅ iOS Apps Database Management: MongoDB/MySQL/SQLite ✅ iPhone, iPad App Payment API's along with Facebook Graph API, Twitter, Instagram, Google Analytics, iAd, AWS 𝐢𝐎𝐒 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐖𝐞 𝐎𝐟𝐟𝐞𝐫: ⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷ ✅ iOS App Development for iPhone/iPad/iWatch/Apple TV ✅ iOS Mobile Game Development ✅ Internet of Things (IoT) ✅ AR/VR App Development ✅ Dedicated iOS Developer 𝐓𝐲𝐩𝐞𝐬 𝐨𝐟 𝐢𝐎𝐒 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬: ⟷⟷⟷⟷⟷⟷⟷⟷⟷ As an experienced iOS developer, I have worked on various types of iOS-iPhone/iPad Mobile App development projects: ✅ Social Networking ✅ Utility & Gaming ✅ Chat/Messaging ✅ News/Magazine ✅ Geo Location ✅ Online Shopping ✅ m-Commerce ✅ iBeacon ✅ Audio/Video Streaming ✅ Movies ✅ Entertainment ✅ Tour/Travel Applications 𝐇𝐨𝐰 𝐝𝐨 𝐰𝐞 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐞 𝐚𝐧𝐝 𝐫𝐞𝐩𝐨𝐫𝐭? ⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷⟷ We always prefer to keep our work transparent, and for this reason, we like to be in touch with our valued clients on a daily, weekly & monthly basis. ⦿ Upwork Message Board ⦿ JIRA ⦿ Azure DevOps Server ⦿ Asana ⦿ Trello ⦿ Zoho Projects

I am a Senior Full-Stack Mobile App Developer with over 10 years of experience architecting high-performance mobile and web ecosystems using React Native, SwiftUI, and Ruby on Rails (ROR). Beyond my technical expertise, I bring a strategic business mindset to every project, having successfully served as a CTO for a venture-funded startup. I specialize in what many consider the industry gold standard for rapid scaling: a robust Ruby on Rails backend combined with intuitive React Native and native SwiftUI frontends. This architecture guarantees a highly secure API backbone alongside a seamless cross-platform or native user experience. Whether you need a high-scale SaaS platform or a native iOS and Android solution, I effectively bridge the gap between complex backend engineering and clean interface design. Why Choose Me as Your Full-Stack Mobile App Developer? * End-to-End Delivery: I manage the full software lifecycle from Ruby on Rails API architecture and database design to App Store and Google Play deployment. * Proven Engineering Leadership: Over 3 years of direct experience managing development teams and scaling codebases for global markets. * Performance-First Mindset: Deep knowledge of Apple Human Interface Guidelines, Google Material Design, and advanced database query optimization. Industry Expertise * On-Demand and Delivery: Two-sided marketplaces, mobile e-commerce apps, and real-time geo-location mapping services. * FinTech and SaaS: Enterprise CRM mobile extensions, payment processing engines, and secure identity verification. * Social and Communication: Real-time chat platforms using WebRTC or Rails Action Cable, social feeds, and smart AI chatbot integration. Technical Stack and Integrations Full-Stack and Mobile Frameworks * Mobile Development: Expert in React Native (Expo), Capacitor, and Ionic for highly responsive cross-platform applications. * Backend Engineering: Specialized in Ruby on Rails (ROR), building scalable MVC frameworks, Sidekiq background processing, and secure REST or GraphQL APIs. * Native iOS and Android: Advanced SwiftUI, Swift, and Kotlin or Jetpack Compose for hardware-intensive mobile requirements. * Core Languages: Full professional proficiency in Ruby, TypeScript, and JavaScript. Specialized Mobile and Web Features * Real-Time and IoT: Seamless server connectivity via Action Cable, WebSockets, and BLE (Bluetooth Low Energy) hardware communication. * AI Integration: Implementation of AI-native app features, large language model (LLM) chatbots, and on-device edge AI. * Health and Fitness: Native device synchronization with Apple HealthKit and Google Fit APIs. Backend, Cloud, and Database Management * Cloud Infrastructure: Expert setup and deployment on AWS (EC2, S3, Lambda), Heroku, and Google Cloud Platform. * Production Databases: Robust, optimized data management using PostgreSQL, Redis caching, and Realm. * API Architecture: Designing mobile-first, low-latency APIs that enforce strict data security. Global Payment and Security Compliance * FinTech and Payments: Secure, localized integration of Stripe Connect, PayPal, Square, and global payment gateways. * Identity and Compliance: Verified regional integration with enterprise compliance frameworks like ELM, Yakeen, WASL, and CITC. * Biometrics: Native execution of FaceID, TouchID, and behavioral mobile biometrics. Quality, Analytics, and DevOps * Product Insights: Event-driven user behavior tracking via Mixpanel, GA4, and AppsFlyer. * CI/CD Pipelines: Automated deployment tracks using GitHub Actions and Bitrise, supported by testing suites via RSpec, XCTest, and Jest. Core Value Add * Architectural Scalability: I write Ruby on Rails backend systems designed to handle millions of requests without breaking. * Rapid Prototyping: Seamlessly combining React Native and ROR to move your concept from an initial MVP to a market-ready product in record time. * Security-First Standard: Integrating encrypted local data storage, OAuth, and strict JWT authentication protocols into every application layout by default Let's Build a Scalable Product Together I do not just write code - I build reliable mobile products that grow with your business. My portfolio below highlights live, production-grade applications utilizing React Native and Ruby on Rails. I am happy to jump on a free 10-minute consultation call to review your mobile app project requirements, evaluate your budget, and choose the most efficient tech stack for your timeline. Click Invite or Hire to get started on your project today.