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TOP-RATED Senior Mobile App Developer (iOS & Android) 🎖️ 4+ Years Professional Experience 🎖️ 30+ Mobile Apps Delivered 🎖️ 100% Client Satisfaction Focus Are you looking for a reliable mobile app developer who can turn your idea into a fully functional, App Store & Play Store–ready product with clean UI, smooth performance, and scalable architecture? You’re in the right place. I am a Senior Mobile App Developer specializing in iOS (Swift, SwiftUI, UIKit) and Android (Kotlin) development. I help startups, founders, and businesses build high-quality, production-ready mobile applications from scratch or improve existing ones. End-to-End Mobile App Solutions ⚙️ Core Services Full iOS & Android app development (idea → launch) UI/UX implementation from Figma / Sketch designs API integration & backend connectivity (Firebase, REST APIs) In-App Purchases & subscription systems Push notifications & user engagement features App Store & Google Play deployment support Bug fixing, performance optimization & app scaling 📱 Worked On Food Delivery Apps (User, Driver & Admin systems) Ride Booking Applications E-commerce & Marketplace Apps Startup MVPs & SaaS mobile applications Native iOS (iPhone/iPad) and Android apps Working With Me Means Clean, maintainable, production-grade code Smooth, modern, and user-friendly UI/UX Fast communication and reliable delivery Strong focus on performance and scalability Apps built to App Store & Play Store standards Looking for a developer who builds real products, not just apps? I can help you turn your idea into a fully functional mobile solution.

Are you looking for a highly skilled iOS Developer to build iOS, iPadOS, watchOS, or macOS applications that are modern, high-quality, and user-friendly? Hello 👋, I’m Taufiq Giri, a Professional iOS Developer with experience building apps for iPhone, iPad, Apple Watch, and Mac. I have successfully delivered 20+ projects in industries such as digital banking, education, HRMS, AI-powered solutions, job portals, e-commerce, and fitness & health. ⚡ My Core Skills: - Swift, SwiftUI, UIKit, AppKit - MVVM, VIPER architectures - HealthKit, WatchKit, Core Data, CloudKit - RESTful APIs & GraphQL integrations - In-App Purchases (Native & Superwall integration) - Push Notifications (APNs & Firebase) - App Store Deployment & App Store Connect management 🔨 What I Can Do for You: - Build professional iOS, iPadOS, watchOS, and macOS apps from scratch - Design modern, user-friendly UI following Apple’s Human Interface Guidelines - Integrate apps with APIs, cloud services, and third-party SDKs - Debug & fix crashes, performance issues, and compatibility problems - Provide long-term development support and maintenance ✅ Why Work With Me: - Clean, scalable, and well-documented code - Strong UI/UX focus for smooth user experience - Unlimited revisions until you are satisfied - Ongoing support even after project completion - Proven track record across multiple domains 📩 Let’s build your next iOS, iPadOS, watchOS, or macOS app together! Click the Invite button and let’s discuss your project today.

From concept to launch, I build production-grade mobile applications that are scalable, secure, and built to deliver real business results. I’m Hardeep, an experienced Mobile App Developer with over 10 years of hands-on expertise creating high-performance mobile apps for startups and enterprises. I specialize in native iOS and Android development, as well as React Native, with a strong focus on AI-driven features and modern app architectures. Whether you’re launching an MVP or scaling an existing product, I help transform ideas into reliable, user-friendly mobile experiences that perform exceptionally well in real-world conditions. ==> Mobile Development Expertise: ------------------------------------------ I work extensively with iOS (Swift), Android (Kotlin), React Native, and Flutter to build fast, responsive, and maintainable mobile applications tailored to your business goals. ==> AI-Driven Features & Integrations: --------------------------------------------- I integrate AI capabilities such as LLM APIs (GPT, Llama), conversational AI, and predictive models to enhance user engagement, automation, and decision-making within mobile apps. ==> Industry Experience: ------------------------------ I have delivered successful solutions across multiple domains, including FinTech, Healthcare (HIPAA-compliant apps), video streaming, subscription-based platforms, social and dating apps, and real estate solutions. ==> Payments, Streaming & Infrastructure: -------------------------------------------------- My experience includes payment gateway integrations (Stripe, PayPal, Apple Pay, Google Pay), subscription systems, in-app purchases, and real-time video streaming using WebRTC, Twilio, Zoom, and Agora. I also handle CI/CD pipelines, app distribution, and cloud-backed mobile infrastructures. ==> How I Work: ------------------- I follow Agile development practices, prioritize clear communication, and provide regular updates throughout the project lifecycle. My code is clean, scalable, and designed to support long-term growth and future enhancements. If you’re looking for a reliable mobile app developer who understands native and cross-platform development and can seamlessly integrate AI-powered features, I’d be glad to collaborate. Let’s build a high-performing mobile app that users love and businesses trust.

I've shipped 30+ 𝐢𝐎𝐒 𝐚𝐩𝐩𝐬 𝐮𝐬𝐞𝐝 𝐛𝐲 500,000+ 𝐚𝐜𝐭𝐢𝐯𝐞 𝐮𝐬𝐞𝐫𝐬 — from greenfield builds to full rewrites, and from painfully slow to production-ready fast. With 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 of hands-on experience in 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗲 𝗶𝗻 𝗦𝘄𝗶𝗳𝘁, 𝗦𝘄𝗶𝗳𝘁𝗨𝗜, 𝗞𝗼𝘁𝗹𝗶𝗻, 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗮𝗻𝗱 𝗢𝗯𝗷𝗲𝗰𝘁𝗶𝘃𝗲-𝗖, 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗶𝗻𝗴 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝘀𝗲𝗰𝘂𝗿𝗲, 𝗮𝗻𝗱 𝘂𝘀𝗲𝗿-𝗳𝗿𝗶𝗲𝗻𝗱𝗹𝘆 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀, I build apps that are secure, scalable, and built to last — not just built to ship. I'm easy to work with, fast to respond, and I'll tell you what I actually think — not just what you want to hear. 𝗖𝗢𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 。iOS Development: Flutter, Swift, SwiftUI, Objective-C 。Android Development: Kotlin, Java 。Cross-Platform Development: Flutter, React Native 。Backend & Services: REST APIs, Firebase, AWS 。Real-Time Communication: XMPP, chat-based apps 。Databases: MySQL, SQLite, MongoDB, Core Data, Realm, SwiftData 。UI/UX Development: SwiftUI, Storyboards, XIBs, Programmatic UI 。Third-Party Integrations: Facebook, Twitter, Instagram, LinkedIn, Google APIs 。Geolocation Services: GPS, Google Maps, OpenStreetMap 。Analytics & Monitoring: Google Analytics, Mixpanel, Flurry 。Crash Reporting & Distribution: TestFlight, Crashlytics 。Version Control: Git, Sourcetree, GitLab 。Memory Leakage & App Performance Optimisation 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡 𝗔𝗥𝗖𝗛𝗜𝗧𝗘𝗖𝗧𝗨𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 。MVC, MVVM, VIPER & Clean Architecture for maintainable, scalable, and testable applications 。Designing apps for long-term growth and easy feature expansion 。Ensuring modular and decoupled code for performance and maintainability 。App performance & enable security feature 𝗠𝗢𝗕𝗜𝗟𝗘 𝗔𝗣𝗣 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬 。SSL Pinning to prevent man-in-the-middle attacks 。XGuard and other reverse-engineering protection to safeguard your app’s logic and assets 。Secure handling of sensitive data, authentication, and payments 𝗔𝗣𝗣𝗦 𝗜 𝗕𝗨𝗜𝗟𝗗 。On-demand & delivery apps 。Social networking & messaging platforms 。CRM and business management apps 。Real-time location-based apps 。FinTech & payment solutions 。Public Services 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘 。10+ years of hands-on experience delivering secure, scalable, high-performance mobile applications 。Clean, maintainable, and modular code with modern architecture 。Proactive communication and timely updates throughout the project 。End-to-end development support: idea → architecture → development → launch 。Focus on long-term collaboration built on trust, quality, and security 𝗠𝗬 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗣𝗥𝗢𝗖𝗘𝗦𝗦 。Understand your idea or requirements 。Recommend the best technology stack & architecture (MVC, MVVM, VIPER, Clean Architecture) 。Develop a scalable MVP or full-featured application 。𝗠𝗮𝗸𝗲 𝗔𝗽𝗽 𝘀𝗲𝗰𝘂𝗿𝗲 𝘄𝗶𝘁𝗵 𝗦𝗦𝗟 𝗣𝗶𝗻𝗶𝗻𝗴 & 𝗥𝗲𝘃𝗲𝗿𝘀𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 。Write Unit test cases for better App performance 。Optimise, test, and deploy securely to App Store & Play Store 𝗟𝗘𝗧'𝗦 𝗧𝗔𝗟𝗞 。Whether you're starting from scratch, rescuing an existing app, or need a senior developer to own the work — send me a message with what you're building. I'll give you an honest assessment within a few hours.

I am a lead iOS Developer helping fast-growing startups and enterprises accelerate their product roadmap, reducing time-to-market by 40% while ensuring 99.9% app stability. My focus is on building high-performance solutions that turn complex technical requirements into scalable revenue engines. When you hire an iOS Developer, you need more than just code; you need a partner who understands the business impact of a smooth user journey. As a dedicated App developer, I have spent years mastering Swift to craft seamless experiences that users love. Whether we are building a greenfield project or optimizing legacy systems, my work as an iOS Developer ensures your application stands out in a crowded App Store. My approach to Mobile App Development is rooted in precision. As an experienced iOS Developer, I treat every project as a strategic investment. I leverage Swift to build modular, maintainable architectures that allow for rapid iteration. Many clients come to me after struggling with technical debt, and as a seasoned App developer, I excel at identifying bottlenecks. Using Apple Xcode and advanced debugging techniques, I ensure that every Swift implementation is optimized for performance. An iOS Developer must also be a great communicator, and as a professional App developer, I bridge the gap between technical constraints and business goals. I do not work in a silo. Often, I collaborate with an android developer or a flutter developer to ensure feature parity across platforms. Having deep knowledge of iOS Development combined with an understanding of Android App Development allows me to architect robust cross-platform strategies. Even when working strictly on an iOS build, I maintain awareness of the broader ecosystem. My expertise in API Integration and Firebase ensures that your Mobile App remains connected and reliable. Whether you need a complex Hybrid App Development solution or a high-end native experience, my background as an iOS Developer and App developer using Swift covers all bases. I have seen projects fail due to poor planning, which is why my process includes deep analysis of Mobile App Design and Mobile App Redesign cycles. I have mentored teams on Objective-C to Swift migrations and have successfully integrated React Native components where speed is critical. As an App developer who understands the full lifecycle, I have worked alongside a web developer and a full stack developer to ensure end-to-end data integrity. From Kotlin workflows for your secondary platforms to native iOS performance tuning, I bring a holistic view to every task. Why choose me? Because I provide more than just syntax; I provide security and scalability. My history as an iOS Developer includes fixing critical production issues that saved companies thousands in churn. When I write Swift, I prioritize readability and security. As an App developer, I use Firebase for real-time data and implement complex logic that makes your app feel like magic. My experience with Mobile App Bug Fix tasks is extensive I treat these as opportunities to stabilize and grow. I also understand the aesthetic side. While I am an iOS Developer at heart, I collaborate closely with any graphic designer to ensure that the final Mobile App interface is pixel-perfect. If you need a software developer who understands the nuances of the App Store submission process, you have found the right person. I have published over 50 apps, ensuring every Swift build meets the highest standards. If you are looking for a professional iOS Developer who treats your business like his own, let’s talk. I am an App developer who believes that code should be beautiful, but the business result must be profitable. Whether you are transitioning from Objective-C to Swift, or launching a new project that requires expert Mobile App Development, my commitment is to deliver quality, speed, and reliability. As your next iOS Developer, I am ready to help you dominate the market. Let's build something exceptional using the power of Swift and modern Mobile App technologies. Reach out today to see how my work as an App developer can scale your vision.

🚀 Ranked #1 iOS Developer on Upwork in Vietnam 🇻🇳 Trusted by startups and growing businesses to build, launch, and scale native iOS apps With 9+ years of experience in Apple development, I've helped startups, SaaS companies, and growing businesses transform ideas into high-quality native iOS applications used by thousands of users. Whether you're launching a new product, modernizing an existing app, or bringing your Android/Web platform to iOS, I deliver scalable, maintainable solutions with clean architecture and an exceptional user experience. What I can help your business with - End-to-end iOS app development - Native iOS apps using Swift & SwiftUI - Convert Android/Web apps into iOS apps - MVP development for startups - Long-term product maintenance & scaling - Performance optimization & refactoring - UI/UX implementation with pixel-perfect accuracy - App architecture improvement & technical consulting - Team collaboration and Agile/Scrum workflow Technical Expertise - UI Development: UIKit, SwiftUI, Auto Layout, Core Animation - Reactive Programming: RxSwift, Combine - Networking & API Integration: RESTful APIs, URLSession, Alamofire - Backend & Cloud Services: Firebase, Firestore, Authentication, Analytics - Push Notifications: APNs, Firebase Cloud Messaging (FCM), OneSignal - Architecture Patterns: MVVM, Clean Architecture, Modular Architecture - Local Storage & Database: CoreData, UserDefaults, Realm - Media & Realtime Features: AVFoundation, WebSocket - AI & AR Features: CoreML, ARKit, Vision Framework - Authentication & Security: OAuth, JWT, Keychain - Maps & Location Services: MapKit, CoreLocation, Google Maps SDK - Testing & Debugging: XCTest, Instruments, Memory Leak Detection - CI/CD & Version Control: Git, GitHub, Fastlane, Xcode Cloud - Project Management: Agile, Scrum, Jira, Trello Why clients work with me - 9+ years of professional iOS experience - Successfully launched and maintained production apps - Strong focus on clean, maintainable, scalable code - Clear communication and reliable delivery - Experience collaborating with startups and remote teams - Detail-oriented with strong debugging and problem-solving skills - Long-term partnership mindset I care about building stable products that support real business growth — not just writing code. If you’re looking for a reliable iOS engineer to build, improve, or scale your mobile product, let’s connect.