Hire the Best HealthKit Developers
in India

Senior iOS and Flutter developer with 9+ years of production experience — currently building consumer apps at Ola Electric (India's largest EV brand) while independently shipping my own B2B SaaS products to market. Top Rated · 100% Job Success · 40 Projects · 2,900+ Hours on Upwork If you're a startup, small business, or product team that needs a mobile developer who takes full ownership — from first commit to App Store — you're in the right place. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔹 WHAT I BUILD ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ Flutter apps (iOS + Android) — Firebase, REST APIs, MVVM architecture, Play Store & App Store delivery ✅ iOS native apps — Swift, SwiftUI, UIKit, Xcode, App Store submissions ✅ Full product builds for startups — wireframe to launch ✅ App upgrades — iOS 18 compatibility, performance tuning, bug fixes ✅ Firebase backend — Auth, Firestore, Storage, Cloud Functions, FCM ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔹 RECENT WORK ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📦 MastBhada — A fleet management app for truck owners (Flutter + Firebase) Live on Play Store. Built for low-tech users in regional India with OTP auth, trip tracking, P&L dashboard, driver management & challan uploads. 📱 iOS apps across 40 projects — real-time location tracking, payment gateways, push notifications, Bluetooth, In-App Purchase, WatchOS. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔹 TECH STACK ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Flutter · Dart · Swift · SwiftUI · UIKit · Objective-C Firebase (Auth · Firestore · Storage · FCM · Functions) REST APIs · Provider · MVVM · Clean Architecture Xcode · Android Studio · Git · CI/CD App Store Connect · Google Play Console Maps (Mapkit, Google Maps) · IAP · Bluetooth · WatchOS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔹 WHY CLIENTS KEEP COMING BACK ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ → 13 clients rated me "Committed to Quality" — most of them returned → I communicate clearly, flag issues early, and deliver on time → I write production-ready code, not just demos → I treat your product like my own — I've built and launched one myself ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔹 SERVICES & PACKAGES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💼 MVP Build (Flutter) — Idea to Play Store / App Store 🔧 App Bug Fix & Performance Audit 📲 iOS App Upgrade (latest Swift/SwiftUI + iOS 18) 🔥 Firebase Integration & Backend Setup 📍 Maps, Location & Real-time Tracking Integration Ready to build? Send me a message with your idea or brief, and I'll respond with a clear plan within 24 hours. 📩

I don’t just build apps — I help you build a product that performs. Many iOS apps fail because of poor UX, slow performance, or weak architecture. I make sure yours is fast, scalable, and ready to grow from day one. 🚀 What I can help you with: • MVP development (launch fast, validate faster) • Scalable iOS architecture (Swift / SwiftUI / MVVM) • Subscription-based apps (StoreKit, RevenueCat) • Health & fitness apps (HealthKit integration) • Real-time apps (Firebase, APIs, backend integration) • Performance optimization & bug fixing • App Store launch (TestFlight → Production) 💡 Why clients work with me: • I think like a product builder, not just a coder • Focus on user retention & performance, not just features • Clean, maintainable code that scales with your business • Clear communication — no surprises, no delays 📈 Typical results I help achieve: • Faster app performance & smoother UI • Reduced crashes & better user experience • Strong foundation for scaling to thousands of users

I am an expert iOS developer with over 7 years of experience architecting, developing, and maintaining high-quality iOS applications and frameworks using Swift and Objective-C. I specialize in building robust, user-centric, and scalable solutions that deliver exceptional user experiences. My expertise spans both application development and framework design, ensuring a comprehensive and strategic approach to project execution from concept to deployment. Key Skills and Expertise: 1. UI Development: Expertise in UIKit, SwiftUI, Auto Layout, Custom Views, Storyboards and Dynamic Animations. 2. Design Patterns: MVC, MVVM, MVP, Clean Architecture, VIPER, Singleton, Delegate and Observer. 3. Memory Management & Multithreading: Understanding of ARC, Memory leak, GCD, Operation Queues and background threading for improved performance. 4. Data Storage: Proficient in Core Data, SQLite, UserDefaults and Keychain Services for secure data handling. 5. Networking & APIs: Skilled in RESTful APIs, GraphQL, JSON parsing and WebSocket for real-time communication. 6. Notifications: Integration of local and push notifications using UNUserNotificationCenter. 7. Location & Maps: Core Location, MapKit and Maps SDK for advanced location services. 8. Advanced Features: NFC, ARKit, AVFoundation, Core Motion, SiriKit, HealthKit and BLE. 9. Authentication: Social logins, OAuth and biometric authentication (Face ID, Touch ID). 10. Monetization: In-App Purchases, Payment Gateway and ad integration. 11. Offline Capabilities: Caching, Background tasks and offline data storage using Local Databases. 12. App Extensions: WidgetKit, Share extensions and Custom keyboards. 13. Third-Party Tools: Google, Realm, Lottie, SnapKit, GPU Image, OpenCV, Vision. 14. Backend & Analytics: Firebase Analytics and Crashlytics, AWS SDK, CloudKit and Parse for backend services Why Choose Me? With deep technical expertise, a client-first approach, and an unwavering commitment to quality, I deliver exceptional iOS solutions that align with your business goals. I thrive on transforming complex ideas into seamless, high-performance applications that users love. Whether it's building from scratch, scaling an existing product, or leading a team, I bring reliability, innovation, and a results-driven mindset to every project. Let's collaborate to turn your vision into a reality and build something remarkable together!

I’m a Full-Stack Developer with 10+ years of experience building web applications, SaaS products, AI-powered platforms, and business software. I work mainly with Python, Node.js, React, Next.js, and TypeScript, and I also have strong experience in AI/ML, Generative AI, LLMs, and automation. I have worked on products in different industries, with a strong focus on Healthcare and FinTech. I understand the importance of building software that is secure, reliable, easy to maintain, and ready to scale. What I Can Help You With -Full-Stack Web Development -SaaS Product Development -AI/ML Application Development -AI and LLM Integration -AI Agents and Automation -RAG and AI Search -Healthcare Applications -FinTech Applications -MVP Development -REST APIs and Backend Development -Third-Party API Integration -Database Design -Cloud Deployment -Existing Application Improvement and Scaling My Technical Skills----- Frontend: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS Backend: Python, FastAPI, Django, Flask, Node.js, Express.js Databases: PostgreSQL, MongoDB, Redis, Vector Databases AI/ML: OpenAI, GPT, Claude, LangChain, LangGraph, CrewAI, RAG, AI Agents, Semantic Search, AI Automation Cloud & DevOps: AWS, Docker, Kubernetes, CI/CD Industry Experience I have worked with below domains--- Healthcare FinTech SaaS AI/ML CRM & ERP Automation Education E-commerce Logistics Marketing Some of My Work AI Sales Analytics — Qymatix Built backend services, APIs, AI analytics, and SaaS features for an enterprise AI platform. AI Knowledge Platform — Ask an Expert Worked on an AI platform with document processing, semantic search, LLM integration, and automation. AI Fitness Platform — AI Fit Model Built features for personalized workouts, AI recommendations, user analytics, and backend services. Healthcare AI — Heartly Worked on AI-powered healthcare features, secure APIs, workflows, and backend services. Why Work With Me? 10+ years of development experience Strong Full-Stack development skills Experience building SaaS products from scratch Hands-on experience with AI/ML and LLMs Experience in Healthcare and FinTech Clean and maintainable code Focus on security, performance, and scalability Clear communication and regular updates Can handle a project from idea to production Available for long-term development and support If you are building a SaaS product, AI application, Healthcare or FinTech platform, or need help improving an existing application, I’d be happy to help you build it from start to finish. Let’s discuss your project and see how I can help.

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

Top Rated Plus Mobile App Developer | $100K+ earned | 100% Job Success | 79 projects delivered 8+ years building high-performance iOS, Android, Flutter, and React Native apps for startups and growing businesses. I specialize in AI-powered mobile products — integrating OpenAI, Gemini, and custom ML — with clean architecture (MVVM) and polished UX that's ready for App Store approval on the first try. What I bring: ✅ Native iOS (Swift, SwiftUI, UIKit) & Android (Kotlin, Jetpack Compose) ✅ Cross-platform: Flutter (Dart) & React Native ✅ AI integration: OpenAI, Gemini, ChatGPT, Whisper, CoreML, custom chatbots ✅ Backend & auth: Node.js, Express, Firebase, Supabase, GraphQL, REST APIs ✅ Monetization: RevenueCat, In-App Purchases, Stripe ✅ Advanced features: ARKit, HealthKit, Bluetooth, Maps/Location, Push Notifications I handle the full lifecycle — architecture, development, App Store submission, and post-launch performance optimization — so you get a production-ready app, not just a prototype. Let's talk about your project and how I can help you launch faster.