Navjot S.

Hi, I am Navjot, a Senior Mobile App Developer with 10+ years of experience building and scaling iOS and Flutter applications for startups, growing businesses, and enterprise teams. I help businesses turn ideas into production-ready mobile applications from architecture and UI development to API integration, third-party services, App Store/Play Store deployment, performance optimization, and long-term maintenance. 🚀 What I can build for you Native iOS apps with Swift, SwiftUI & Objective-C Cross-platform apps with Flutter AI-powered mobile applications and AI/ML integrations AR applications using ARKit, RealityKit & SpriteKit IoT & connected-device apps using BLE, Wi-Fi, MQTT and mDNS Real-time applications using WebSockets & gRPC Location-based and geo-location applications Voice, video, VoIP & live communication applications E-commerce, booking, delivery & marketplace apps Subscription and in-app purchase systems Firebase/cloud-connected mobile applications API-driven applications and complex third-party integrations 🧠 AI / ML & Advanced Technologies I can integrate intelligent capabilities into mobile applications using technologies such as: Core ML ML Kit Vertex AI Vision AI AI APIs & LLM-based functionality Computer vision Image/document processing 📱 Mobile & Backend Integration I have experience working with: iOS: Swift, SwiftUI, Objective-C, ARKit, RealityKit, SpriteKit Flutter: Dart, cross-platform architecture, native integrations APIs: REST, GraphQL, WebSockets, gRPC, MQTT Cloud: Firebase, AWS, GCP, Azure Authentication: OAuth, Firebase Auth, Amazon Cognito IoT: BLE, Raspberry Pi, Arduino, STM32, mDNS Payments: In-app purchases, subscriptions & payment integrations Other: Analytics, push notifications, maps, deep linking and third-party SDKs 🏢 Industry Experience I've worked on mobile products across multiple domains, including: Healthcare • E-learning • Retail • E-commerce • Music • VoIP • Market Research • Food & Beverage • Real Estate • Geo-location • Live Broadcasting • Social Networking This allows me to adapt quickly to different business models, user requirements, and technical challenges. 🔧 I can help if you need: A mobile app built from scratch An existing app rebuilt or modernized New features added to an existing iOS/Flutter application Flutter ↔ native iOS integrations AI/ML functionality added to your app BLE/IoT/device connectivity API and cloud integration Performance, stability or architecture improvements App Store / Play Store deployment Long-term mobile application maintenance My focus is not just on writing code, but on building maintainable, scalable and reliable products that provide a good experience for both users and businesses. If you have an app idea, an existing product that needs improvement, or a complex mobile feature that needs to be implemented, let's discuss what you're building.