Hire the Best iOS Developers
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Are you looking for an experienced iOS developer who can build, improve, or scale your Apple application with clean architecture, excellent performance, and production-ready code? I'm Taufiq Giri, a Senior iOS Developer with 5+ years of experience building high-quality applications for iPhone, iPad, Apple Watch, and Mac. I've successfully delivered 20+ applications across various industries, including AI, digital banking, fintech, healthcare, education, e-commerce, productivity, HRMS, fitness, and social networking. I specialize in building native Apple applications using Swift, SwiftUI, and UIKit, while also providing complete mobile solutions with React Native, Capacitor, Firebase, Supabase, and Node.js when projects require cross-platform development or backend services. Whether you need a brand-new MVP, feature enhancements, AI integration, backend development, performance optimization, bug fixing, or App Store deployment, I can help transform your ideas into reliable, scalable, and user-friendly applications. 🚀 Core Expertise Apple Platform Development: • Native iOS Development (Swift, SwiftUI, UIKit) • iPadOS, watchOS & macOS Development • Apple Human Interface Guidelines (HIG) • MVVM, VIPER & MVC Architecture • App Performance Optimization • Bug Fixing & Code Refactoring Backend & Cloud: • Firebase (Authentication, Firestore, Storage, Cloud Messaging) • Supabase • Node.js & Express.js • PostgreSQL • CloudKit • REST APIs & GraphQL • Third-party SDK Integration Apple Frameworks: • HealthKit • WatchKit • WidgetKit • Core Data • SwiftData • Realm • MapKit • Core Location • AVFoundation • Authentication (Apple, Google, Firebase, OAuth) Monetization & Distribution: • StoreKit • RevenueCat • Superwall • In-App Purchases & Subscriptions • Push Notifications (APNs & Firebase Cloud Messaging) • TestFlight • App Store Connect • App Store Submission & Review AI & Modern Development: • OpenAI API Integration • Google Gemini API Integration • AI-powered Mobile Applications • Claude Code • OpenAI Codex • AI-assisted Development Workflow 💡 Services I Offer ✅ Native iOS App Development ✅ SwiftUI & UIKit Development ✅ Apple Watch (watchOS) Applications ✅ macOS Applications ✅ React Native Development ✅ Capacitor Mobile Applications ✅ Backend Development (Firebase, Supabase, Node.js) ✅ API Integration ✅ AI Integration (OpenAI & Gemini) ✅ In-App Purchases & Subscription Systems ✅ Push Notifications ✅ Firebase & Cloud Services ✅ Bug Fixing & Performance Optimization ✅ App Store Deployment & Release Management ✅ Long-term Maintenance & Feature Development 🌍 Industries I've Worked With • AI Applications • Digital Banking & Fintech • Healthcare • Fitness & Wellness • E-commerce • Education • HR Management Systems • Productivity Apps • Social Networking • Job Portals ⭐ Why Clients Choose Me ✔ Production-ready, clean, and maintainable code ✔ Strong communication and transparent progress updates ✔ Pixel-perfect UI following Apple's Human Interface Guidelines ✔ Reliable delivery with attention to performance and scalability ✔ Experience building applications used by real users ✔ Comfortable working independently or as part of an existing development team ✔ Long-term support after launch 🛠 Technologies Mobile: Swift • SwiftUI • UIKit • React Native • Capacitor Backend: Firebase • Supabase • Node.js • Express.js • PostgreSQL • CloudKit Frameworks: HealthKit • WatchKit • WidgetKit • StoreKit • RevenueCat • Superwall • Core Data • SwiftData • Realm • MapKit • AVFoundation Development: REST API • GraphQL • Git • GitHub • Xcode • TestFlight • App Store Connect AI: OpenAI API • Gemini API • Claude Code • OpenAI Codex If you're looking for a developer who values quality, communication, and long-term collaboration, I'd be happy to discuss your project. Feel free to send me an invitation or message. I'd love to learn more about your project and help bring your ideas to life.

🚀𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗮𝗻 𝗔𝗽𝗽 𝗧𝗵𝗮𝘁 𝗜𝗻𝘀𝗽𝗶𝗿𝗲𝘀 𝗮𝗻𝗱 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘀 🚀 What if your app didn’t just work but truly wowed your users? I’m an iOS Developer with 4+ years of experience creating apps that help businesses like yours achieve top App Store rankings, engage millions of users, and drive tangible business growth. ✅ 𝗪𝗛𝗬 𝗬𝗢𝗨'𝗟𝗟 𝗧𝗥𝗨𝗦𝗧 𝗠𝗘 𝗪𝗜𝗧𝗛 𝗬𝗢𝗨𝗥 𝗩𝗜𝗦𝗜𝗢𝗡? 𝟭. 𝗣𝗿𝗼𝘃𝗲𝗻 𝗦𝘂𝗰𝗰𝗲𝘀𝘀: – Built a fitness app that reached the top 10 in its category and amassed 500,000 active users in its first year. – Redesigned an e-commerce platform, improving user retention by 40% and increasing revenue by 30% in just six months. – Delivered a 99.98% crash-free health app, helping a startup secure $2M in Series A funding. 𝟮. 𝗘𝗳𝗳𝗼𝗿𝘁𝗹𝗲𝘀𝘀 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻: – You’ll feel confident and supported with regular progress updates, transparent timelines, and proactive problem-solving. Think of me as a partner invested in your success, not just a developer. 𝟯. 𝗬𝗼𝘂𝗿 𝗣𝗲𝗮𝗰𝗲 𝗼𝗳 𝗠𝗶𝗻𝗱: – I handle every detail—from planning and development to App Store deployment—with clean, scalable code designed to minimize future maintenance costs. No surprises, no delays, just reliable, high-quality results. 𝗛𝗢𝗪 𝗜’𝗟𝗟 𝗛𝗘𝗟𝗣 𝗬𝗢𝗨𝗥 𝗕𝗨𝗜𝗦𝗡𝗘𝗦𝗦 𝗚𝗥𝗢𝗪: 📍 𝗔𝗽𝗽𝘀 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗱 𝗳𝗼𝗿 𝗜𝗺𝗽𝗮𝗰𝘁: – Boost user engagement with real-time messaging, secure payment systems, and intuitive navigation. – Grow revenue with in-app purchases, advanced analytics, and seamless social integrations. – Ensure scalability with backend solutions like Firebase, GraphQL, and Core Data. 📍 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: – Whether you’re building your first app or enhancing an existing one, I manage every step with care—from ideation to launch and beyond. 📍 𝗖𝘂𝘀𝘁𝗼𝗺 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗧𝗵𝗮𝘁 𝗦𝘁𝗮𝗻𝗱 𝗢𝘂𝘁: – Real-time messaging and notifications – Advanced animations and sleek UI/UX designs – Payment gateways and subscription models – Offline functionality and performance optimization ✍️ 𝗪𝗛𝗔𝗧 𝗠𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗦𝗔𝗬 "Alex helped us take our fitness app from concept to top 10 in its category. His attention to detail and user-focused design made all the difference—we now have over 500,000 active users." – ANNA L "Our e-commerce app was struggling with user retention until Alex came in and revamped it. Within six months, we saw a 30% increase in revenue and a 40% improvement in user engagement." – JAMES P. "We needed a reliable app to present to investors, and Alex delivered. The 99.98% crash-free performance of our app played a big role in helping us secure $2M in funding." – VIKTOR M, LET'S GET STARTED Imagine your users raving about an app that solves their problems effortlessly. Imagine your business growing with a tool that works as hard as you do. 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝘁𝗼𝗱𝗮𝘆 𝗳𝗼𝗿 𝗮 ⚡️𝗳𝗿𝗲𝗲 𝟭𝟱-𝗺𝗶𝗻𝘂𝘁𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻⚡️ 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗮𝗽𝗽 𝗶𝗱𝗲𝗮 𝗮𝗻𝗱 𝗵𝗼𝘄 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗮𝗰𝗵𝗶𝗲𝘃𝗲 𝘆𝗼𝘂𝗿 𝗴𝗼𝗮𝗹𝘀. Spots in my schedule fill quickly, so don’t wait—let’s build something extraordinary together. 𝗜 𝗰𝗮𝗻 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵: 𝗦𝘄𝗶𝗳𝘁, 𝗨𝗶𝗞𝗶𝘁, 𝗦𝘄𝗶𝗳𝘁𝗨𝗶, 𝗖𝗼𝗿𝗲𝗗𝗮𝘁𝗮, 𝗠𝗮𝗽𝗞𝗶𝘁, 𝗠𝗩𝗣, 𝗠𝗩𝗩𝗠, 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲, 𝗚𝗶𝘁, 𝗖𝗼𝗺𝗯𝗶𝗻𝗲, 𝗦𝗗𝗞, 𝗔𝗩𝗙𝗼𝘂𝗻𝗱𝗮𝘁𝗶𝗼𝗻, 𝗔𝗥𝗞𝗶𝘁, 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲, 𝗦𝗻𝗮𝗽𝗞𝗶𝘁, 𝗖𝗼𝗰𝗼𝗮𝗽𝗼𝗱𝘀, 𝗙𝗶𝗴𝗺𝗮

Expert iOS Developer | Swift, SwiftUI & AI Integration I help startups, founders, and businesses build native apps for iOS, iPadOS, macOS, and take them all the way to App Store approval. New products, existing codebases, and AI-coded projects that need to become production-ready. WHAT I DO FOR YOU ▪ Build a new iOS app from idea to App Store approval ▪ Turn an AI-coded or vibe-coded project into a production-ready app ▪ Add AI features to your app ▪ Take over a stuck or messy codebase and make it maintainable ▪ Set up subscriptions and in-app purchases that actually work ▪ Native Apple features: WidgetKit, App Intents & Shortcuts, SiriKit, share extensions, Live Activities, AlarmKit, and others ▪ Maintain, refactor, and scale an existing app ▪ End-to-end App Store submission: build, TestFlight, review, approval AI INSIDE YOUR APP ▪ AI chat assistants and in-app chatbots ▪ LLM tool calling that reads and updates real data in your app ▪ RAG so answers come from your own data, not the model's guesses ▪ AI-generated content and AI recommendations ▪ Streaming, token-by-token responses ▪ On-device AI with Apple Foundation Models and Core ML: no API cost, no user data leaving the phone ▪ OpenAI, OpenRouter, Apple Intelligence, on-device speech recognition AI-ASSISTED DEVELOPMENT ▪ Agentic workflow with Claude Code, so features land in days instead of weeks, speed without the slop. ▪ AI does the heavy lifting, I stay in control. Architecture, design patterns and best practices are my calls, made as a professional iOS engineer. ▪ Built on Clean Architecture, Modularization, TCA or MVVM with modern Swift: Swift 6, async/await, Combine. Testable, scalable, and maintainable for the next developer who touches it. ▪ Proven in production. I've shipped LLM features to the App Store myself: chat assistants, tool calling, streaming, on-device speech. ▪ Proven at taking over vibe-coded projects and bringing them to production standard STACK Swift 6 · SwiftUI · UIKit · TCA · MVVM · Clean Architecture · LLM integration · Speech recognition · Supabase (auth, Postgres, row-level security) · Firebase · REST APIs · StoreKit · RevenueCat · WidgetKit · App Intents · SiriKit · AVFoundation · Core Data · SwiftData · Combine · async/await WHY CLIENTS KEEP ME ▪ 5+ apps published to the App Store: submission, review, approval ▪ Top Rated · 5.0 stars · 1,000+ hours delivered ▪ Professional iOS Developer in banking, currently working on a high-scale iOS app serving 30M+ users Got an app idea, a half-finished project, or a codebase that needs fixing? Send me the details and let's talk.

Senior iOS Developer | Swift & SwiftUI Specialist (5 yrs) I design and build fast, reliable iOS apps with SwiftUI, Swift, MVP / MVVM / VIPER architecture, Combine, Firebase, and REST APIs. My code is clean, modular, and covered by XCTest to keep regressions near zero. Strengths 💡 Pixel-perfect UI from Figma, responsive on all devices 🔥 Performance tuning with Instruments & on-device profiling ⚡ Agile, Jira / ClickUp, Git flow & code reviews 📱 Published > 10 apps to the App Store 💬 Excellent Communication, Transparent, friendly, and responsive collaboration 🔖🔖🔖 I'm new on Upwork, and while I don’t have client history here yet, I bring 5+ years of real-world iOS development experience and a proven track record of shipping high-quality apps. I’d love the opportunity to prove myself and build long-term partnerships through great results.

A Mobile Developer & Apple Developer Academy Graduate Ready to Build Your Next Big App. As a dedicated Mobile App Developer, I specialize in crafting immersive, high-performance native/hybrid applications. My experience at the Apple Developer Academy has honed my ability to build scalable architectures using Swift, SwiftUI, and UIKit, while integrating cutting-edge technologies like CoreML, Vision, and ARKit. And my professional experience in one of the biggest corporate in Indonesia, working as a Mobile App Developer using Flutter. While my primary focus is mobile development, I bring a unique "big picture" perspective. I am also proficient in Web Development, AI/Machine Learning, and Game Development. This versatility allows me to not just build an app, but to understand and implement complex backends, data flows, and cross-platform solutions. ✍️ Why Work With Me? ⭐️ Deep Mobile Expertise: From building standard apps to advanced implementations involving 3D facial liveness detection, OCR, and gesture recognition. ⭐️ Clear Communication: My background as a Coding Instructor (500+ sessions) means I can break down complex technical problems into clear, understandable updates. I ensure our project stays aligned with your business goals. ⭐️ Full-Cycle Development: I handle everything from UI implementation to backend integration (Supabase/Laravel) and App Store deployment. 🧑‍💻 Core Services: ⭐️ Native iOS App Development: iPhone, iPad, and macOS apps using Swift & SwiftUI/UIKit. ⭐️ Advanced Features Integration: Implementing Machine Learning (CoreML), Augmented Reality (ARKit), and Accessibility features (AppIntents). ⭐️ Cross-Platform Mobile Apps: Efficient development using React Native and Flutter. ⭐️ Full-Stack Web Solutions: Robust backends and responsive frontends using Laravel, PHP, and Modern JS. ⭐️ AI & Data Solutions: Python scripting, OpenCV, and Data Analysis. 💻 Tech Stack & Tools: 🍎 Apple Ecosystem: ⭐️ Swift, SwiftUI, UIKit, SwiftData ⭐️ CoreML, Vision, ARKit, CreateML ⭐️ AppIntents, Xcode 📱 Cross-Platform & Web: ⭐️ Flutter, React Native, TypeScript ⭐️ Laravel, PHP, HTML, CSS (Tailwind/Bootstrap) ⭐️ Supabase, MySQL 🤖 AI, AR & Game Dev: ⭐️ Python (OpenCV, Numpy, Pandas, NLP) ⭐️ Unity, DeepAR, Phaser 🛠 Tools: ⭐️ Git, GitHub, Jira, Figma, Postman, Ngrok Let's discuss how I can bring your project to life with top-tier technology. Whether you need a sophisticated iOS app or a comprehensive digital solution, I am ready to deliver. Let's build something amazing together.

Hi 👋 , I’m Patrick, an iOS developer with a strong foundation in Swift, SwiftUI, and Apple’s latest frameworks. I specialize in building modern, stable, and beautifully crafted iOS applications from scratch, tailored to your business goals. Whether you’re a startup founder, product owner, or team lead, I help turn ideas into production-ready apps — from the first line of code to App Store submission. 💡 Technical Expertise - Swift, SwiftUI, Combine, Xcode - Core Data, Firebase, Supabase, MongoDB Realm - AI feature integration - REST API integration & data fetching - MVVM architecture - TCA architecture - Local & push notifications - UserDefaults & AppStorage - AVKit for multimedia applications - Version control with Git 🧠 How I Work - Discover & Plan - Understand your product goals before coding - Define clear technical direction and timelines - Build & Deliver - Write clean, modular, and testable code - Share early prototypes and optimize for performance - Communicate & Collaborate - Async updates with regular video check-ins - Clear documentation and transparent decisions - Launch & Support - Smooth TestFlight & App Store releases - Ongoing support, scaling, and iteration 🤝 What You Can Expect - Fast and reliable communication - Scalable, maintainable codebase - Product-focused collaboration - Availability for critical support - Long-term partnership when needed