Gaganpreet S.

I develop iOS and Android apps using both native and cross-platform technologies. I can deliver the best solution tailored to your project's scope and your preference. I also actively use AI based platform to accelerate the project. I have honed my knowledge of AI and have integrated LLMs, AI features and chatbot in mobile apps. With an easy to use interface and seamless integration with backend. # Besides, I am well-versed in ongoing feature implementation and improvements in iPhone and Android applications. I assure you that with my professional and creative solutions, you'll have your vision/idea turned into a hot and viral app in the App stores and Google Play Store. # I always prepare a detailed project development plan indicating the timeline and budget before starting the development work. My Skills and Expertise Include: 1 - iOS App Development (iPhone, iPad, Apple Watch using Objective C, Swift, Xcode, SwiftUI, UIKit, and Core Data) 2 - Android App Development (Kotlin, Java, Android Studio, Android SDK, Jetpack Compose, Gradle) 3 - Hybrid mobile app development using React-Native and Flutter Framework 4 - Back-end Development (PHP, AWS, Restful API, JSON) 5 - APNS (Apple push notification service) 6 - In-App Purchase, GPS, Payment SDK integration (PayPal, Stripe, etc) 7 - XML Parsing, JSON Parsing, SOAP - Online version controls (Bitbucket, GitHub, Jira) 8 - Social Network Integrations: Facebook(Meta), WhatsApp, Twitter, LinkedIn, Instagram, YouTube, Pinterest, Vimeo, Google+ # AI Expertise: AI features integrations, LLMs, NLP, Machine Learning, Deep Learning, Computer Vision, ChatBots, Generative AI (text/image), OpenAI and LangChain integration, AI automation, Whisper, TensorFlow/PyTorch # I always aim to maintain a long-term collaboration with my clients. Whether you've lost your original developer, need additional resources, or want a brand new app, I can step in and take over whenever you need. Looking forward to collaborating with you! Send a message or invite now, and I’ll jump in right away. iOS Developer Upwork - Android Developer Upwork - Mobile App Developer Upwork - Mobile Application Development Upwork - iOS App Development Upwork - Android App Development Upwork - Cross Platform Mobile App Development Upwork - Flutter Developer Upwork - React Native Developer Upwork - Xamarin Developer Upwork - .NET MAUI Developer Upwork - Swift Developer Upwork - Kotlin Developer Upwork - Java Android Developer Upwork - Objective-C Developer Upwork - Hybrid Mobile App Developer Upwork - Native Mobile App Developer Upwork - Mobile UI UX Developer Upwork - Mobile Backend Integration Upwork - Mobile API Integration Upwork - Firebase Mobile App Development Upwork - Mobile App Testing & QA Upwork - Mobile App Maintenance & Support Upwork - Mobile App Bug Fixing Upwork - Mobile App Optimization Upwork - Mobile App Deployment Upwork - App Store Optimization ASO Upwork - Google Play Store Deployment Upwork - iOS App Store Deployment Upwork - Mobile App Migration & Upgrade Upwork - Mobile App Performance Optimization Upwork - Mobile App Security Upwork - Mobile App Architecture Upwork - Real-time Mobile Apps Upwork - Push Notifications Integration Upwork - Payment Gateway Integration Mobile Upwork - In-App Purchases Integration Upwork - GPS Location Based Apps Upwork - Map Integration Mobile Apps Upwork - Chat Application Development Mobile Upwork - Social Media App Development Mobile Upwork - E-commerce Mobile App Development Upwork - On-demand Mobile App Development Upwork - Flutter - Dart - React Native - JavaScript - TypeScript - Swift - SwiftUI - UIKit - Kotlin - Java - Android SDK - iOS SDK - Xcode - Android Studio - Jetpack Compose - XML Layouts - REST API - GraphQL - Firebase - Supabase - AWS - Azure - GCP - Push Notifications - WebSockets - SignalR - Stripe Integration Mobile - Stripe Webhooks - Razorpay - PayPal Integration - In-App Purchases - App Clips - Deep Linking - Universal Links - Responsive UI - Adaptive UI - Material Design - Human Interface Guidelines - Figma - Adobe XD - Mobile App Testing - Unit Testing - UI Testing - GitHub - GitLab - Bitbucket - CI/CD - Fastlane - Codemagic - Bitrise - Agile - Scrum - Clean Architecture - MVVM - MVC - MVP - Microservices Backend - Docker - Kubernetes - App Performance Optimization - App Security - Biometric Authentication - Face ID - Fingerprint Authentication - Offline Mode - Local Database - SQLite - Realm - Hive - Chatbot - AI App - AI Mobile App - Camera - Audio - Video - Experienced Mobile App Developer - Experienced Software Engineer