Building an app is easy. Building one that users actually keep using is the hard part. I help startups and founders build AI-powered applications, SaaS platforms, mobile apps, and custom business tools using React Native, Next.js, Node.js, and modern AI technologies. My work includes: • AI Chatbots & AI Agents • OpenAI, Claude, Gemini & Custom LLM Integrations • React Native Mobile Apps (iOS & Android) • Next.js & React Web Applications • SaaS Platforms & Admin Dashboards • REST APIs & Backend Development • PostgreSQL, MongoDB, Firebase & Supabase • Stripe Subscriptions & Payment Systems • Real-Time Chat & WebSocket Applications • Automation & AI Workflows Whether you need an MVP built from scratch, an existing product improved, or AI features integrated into your application, I focus on shipping reliable, scalable solutions that are ready for real users. Tech Stack: React Native, React, Next.js, Node.js, TypeScript, PostgreSQL, MongoDB, Supabase, Firebase, OpenAI, Claude, Gemini, AWS, Docker, Vercel, Stripe, WebSockets, AI Chatbot Development, AI Intergration. I value clear communication, clean code, and delivering working software quickly. If you have an idea, MVP, SaaS product, chatbot, or AI application you'd like to build, feel free to reach out.

I’m a 𝐒𝐞𝐧𝐢𝐨𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 10+ years of experience building high-performance, scalable, and user-friendly applications using React Native, Expo, and Flutter for both iOS and Android platforms. As a Top Rated Upwork Developer, I help startups and businesses turn ideas into reliable, production-ready mobile apps with clean architecture and long-term scalability. 🚀 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐇𝐞𝐥𝐩 𝐘𝐨𝐮 𝐖𝐢𝐭𝐡 ✔ Cross-platform mobile app development (React Native, Expo, Flutter) ✔ MVP development for startups and SaaS products ✔ Upgrading and migrating Expo/React Native apps (latest SDKs) ✔ Performance optimization and bug fixing ✔ Real-time features (chat, live updates, video streaming, geolocation) ✔ Payment gateway integration (Stripe, Razorpay) ✔ Third-party API integrations (REST & GraphQL) ✔ App deployment (Google Play Store & Apple App Store) 💼 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞 ✔ Clean, scalable, and maintainable code ✔ Fast communication & reliable delivery ✔ Long-term collaboration mindset ✔ Focus on performance, security, and UX ✔ Post-launch support and ongoing improvements 🛠 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: React Native, Expo, Flutter, Dart, TypeScript 𝐒𝐭𝐚𝐭𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Redux, Zustand, BLoC, GetX 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈𝐬: Node.js, Laravel, REST APIs, GraphQL 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐂𝐥𝐨𝐮𝐝: Firebase (Auth, Firestore), Supabase, PostgreSQL, MongoDB 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: Push Notifications (FCM, OneSignal), Google Maps API, GPS, Social Login 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐓𝐨𝐨𝐥𝐬: Fastlane, GitHub Actions, CI/CD, Automated Testing 📱 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞𝐝 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 ✔ Real-time apps & live streaming features ✔ Location-based apps & geofencing ✔ E-commerce & booking platforms ✔ SaaS mobile applications ✔ Custom native modules (Swift, Kotlin) 📈 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐆𝐫𝐞𝐚𝐭 If you need a reliable mobile app developer who can deliver scalable, high-quality apps with modern technologies — let’s connect. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: React Native Developer | Flutter Developer | Mobile App Developer | Cross Platform App Development | iOS App Development | Android App Development | Expo Developer | SaaS MVP Development | Firebase | REST API | GraphQL | Mobile UI/UX | App Deployment | Google Play Store | Apple App Store

⭐⭐⭐⭐⭐ "𝘞𝘦 𝘸𝘦𝘳𝘦 𝘷𝘦𝘳𝘺 𝘩𝘢𝘱𝘱𝘺 𝘸𝘪𝘵𝘩 𝘵𝘩𝘦 𝘨𝘳𝘦𝘢𝘵 𝘸𝘰𝘳𝘬 𝘲𝘶𝘢𝘭𝘪𝘵𝘺 𝘈𝘯𝘯 𝘱𝘳𝘰𝘷𝘪𝘥𝘦𝘥 𝘢𝘯𝘥 𝘵𝘩𝘦 𝘕𝘢𝘵𝘪𝘧𝘦 𝘔𝘰𝘣𝘪𝘭𝘦 𝘵𝘦𝘢𝘮. 𝘐𝘧 𝘸𝘦 𝘳𝘦𝘲𝘶𝘪𝘳𝘦 𝘢𝘯𝘺 𝘸𝘰𝘳𝘬 𝘢𝘨𝘢𝘪𝘯, 𝘸𝘦 𝘸𝘪𝘭𝘭 𝘥𝘦𝘧𝘪𝘯𝘪𝘵𝘦𝘭𝘺 𝘶𝘴𝘦 𝘵𝘩𝘦𝘮." 🤝 𝐈 𝐜𝐨𝐝𝐞, 𝐚𝐝𝐯𝐢𝐬𝐞, 𝐚𝐧𝐝 𝐜𝐚𝐫𝐞 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐥𝐢𝐤𝐞 𝐢𝐭’𝐬 𝐦𝐢𝐧𝐞 𝐟𝐫𝐨𝐦 𝐭𝐡𝐞 𝐬𝐭𝐚𝐫𝐭. 👋 Hi! I’m Ann an Android & iOS mobile app developer Swift Kotlin mobile app development expert with 8+ years of experience building high-performance iOS apps, Android apps, and scalable cross-platform solutions with React Native. 🚀 Android & iOS Mobile App Developer | Swift • Kotlin • React Native | Mobile App Development As a Top Rated Plus Android & iOS mobile app developer Swift Kotlin mobile app development specialist on Upwork with 30+ five-star reviews and a 100% Job Success Score, I’ve helped 60+ companies and startups transform ideas into scalable, future-proof mobile products. Whether you need a native iOS app with Swift, a native Android app with Kotlin, or a cross-platform solution, I deliver Android & iOS mobile app development using Swift and Kotlin with precision, creativity, and enterprise-grade quality. From e-commerce, fitness, and healthcare to fintech, streaming, logistics, and wearable apps, my experience as an Android & iOS mobile app developer Swift Kotlin mobile app development professional spans 15+ industries and 50+ published apps. ✅ Why Partner with Me as Your Android & iOS Mobile App Developer: 8+ years of hands-on Android & iOS mobile app development using Swift, Kotlin, React Native 50+ successful iOS and Android apps delivered in Fitness Mobile App (Coaches, Gyms & AI Meal Plans) 10+ successful iOS and Android apps delivered in Fintech industry A strong mobile app development team of 50+ experts 100% Job Success Score and consistent 5-star reviews on Upwork Streaming, TV apps GPS and Map-based apps ( GPS trackers, MapBox, Google Maps integration) AI Mobile App Development MVP App Development for Wellness and Hospitality Platform Dating Mobile App Social Media App Development Mental Health Social Platform Enhance an Android, IOS mobile apps Figma designer. UX/UI designer Real Estate mobile apps Full-cycle Android & iOS mobile app development — from idea to App Store & Google Play launch AI App Expert specializing in Swift Kotlin mobile app development, on-device ML, real-time image & text processing, and LLM API integrations 🔧 Services I Provide as an Android & iOS Mobile App Developer (Swift & Kotlin): Native iOS app development with Swift & SwiftUI Native Android app development with Kotlin & Jetpack Compose Android & iOS mobile app development using Swift Kotlin architecture React Native app development for cross-platform solutions UI/UX design for iOS and Android apps (Figma, Sketch, Adobe XD) Secure API integrations & cloud services (AWS, Google Cloud) Scalable backend connections & microservices Wearable app development (Apple Watch, Wear OS, Bluetooth) Performance optimization & offline-first mobile app development 🎯 Industries I Specialize In as an Android & iOS Mobile App Developer (Swift Kotlin): 📦 E-Commerce | 🍔 Food & Drink | 📚 Education 💪 Health & Fitness | 💘 Dating | 🎬 Entertainment & Streaming 💼 Finance & Banking | 🌍 Travel | 📱 SaaS Platforms ⌚ Wearables & IoT | 🚚 Logistics & Booking Apps All powered by Android & iOS mobile app development with Swift and Kotlin. 🚀 Advanced Features I Build with Swift & Kotlin Mobile App Development: ✔️ Social login (Google, Apple, LinkedIn) ✔️ Real-time chat, WebRTC video calls & push notifications ✔️ Offline mode & smart data synchronization ✔️ GPS, geolocation, Bluetooth & geofencing ✔️ ARKit & advanced AR features ✔️ Firebase & cloud integrations ✔️ Monetization (AdMob, Meta Ads) ✔️ Voice assistants (Siri, Google Assistant, Alexa) ✔️ TV apps (tvOS, Android TV) & wearable tech (Garmin, Monkey-C) 💬 Why Choose Me as Your Android & iOS Mobile App Developer (Swift Kotlin): I bring deep expertise in Android & iOS mobile app development using Swift and Kotlin, focusing on clean architecture, scalability, performance, and business impact. Whether you’re a startup building an MVP or an enterprise scaling globally, I’m the Android & iOS mobile app developer Swift Kotlin mobile app development expert who can turn your vision into a successful product. 📱 Let’s connect and build a powerful Android & iOS mobile app with Swift and Kotlin. 🚀 Your trusted Android & iOS mobile app developer Swift Kotlin mobile app development partner is just one click away. UPD: 05.06.2026

I help businesses turn complex ideas into fast, scalable web applications and AI-powered products. My main stack revolves around JavaScript / TypeScript ecosystems, modern frontend frameworks, and reliable backend architecture designed for real production environments. I have 7 years of experience in full-stack engineering. Over the past years, I’ve worked on SaaS platforms, enterprise tools, and high-traffic web systems, building features from concept all the way to deployment. 🔹 Full-Stack Development I build complete web systems using React, Next.js, and Angular on the frontend, combined with Node.js and TypeScript on the backend. My goal is always the same: clean architecture, maintainable code, and systems that continue to scale as products grow. 🔹 AI Integration I also develop AI-driven features such as automated reporting, intelligent assistants, data transformation tools, and AI workflows using modern LLM and OpenAI integrations. These solutions help automate processes and turn unstructured data into useful insights. 🔹 Backend & Data Architecture On the server side I work with Node.js, GraphQL, REST APIs, and modular backend systems. For data storage I design scalable models using PostgreSQL, MySQL, and MongoDB, ensuring reliability, performance, and efficient data handling. 🔹 Infrastructure & Modern Development I deploy and maintain systems using Docker, AWS, CI/CD pipelines, and structured Git workflows, ensuring stable production environments and smooth team collaboration. 🤝 How I Work I collaborate closely with founders, product teams, and designers to turn ideas into working software. Clear communication, transparent progress updates, and scalable technical decisions are core parts of my development process. 🚀 Why Work With Me I focus on building reliable, scalable systems that support real business growth, combining full-stack engineering with modern AI capabilities to create products that are both powerful and future-ready

𝐁𝐮𝐢𝐥𝐝 𝐲𝐨𝐮𝐫 𝐌𝐕𝐏 𝐢𝐧 𝐣𝐮𝐬𝐭 𝟖𝟎 𝐡𝐨𝐮𝐫𝐬 ⭐️⭐️⭐️ 50+ 𝐂𝐮𝐬𝐭𝐨𝐦 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 & 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 | 9+ 𝐘𝐞𝐚𝐫𝐬 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 | 𝐅𝐫𝐞𝐞 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 💼 𝐂𝐮𝐬𝐭𝐨𝐦 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 | 𝐒𝐚𝐚𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐖𝐞𝐛 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐑𝐞𝐚𝐜𝐭 | 𝐍𝐨𝐝𝐞.𝐣𝐬 | 𝐋𝐚𝐫𝐚𝐯𝐞𝐥 📢 Client Testimonial: "𝙎𝙖𝙡𝙢𝙖𝙣 𝙢𝙖𝙙𝙚 𝙬𝙝𝙖𝙩 𝙄 𝙩𝙝𝙤𝙪𝙜𝙝𝙩 𝙬𝙤𝙪𝙡𝙙 𝙗𝙚 𝙟𝙪𝙨𝙩 𝙖𝙣 𝙈𝙑𝙋 𝙩𝙤 𝙖𝙣 𝙖𝙢𝙖𝙯𝙞𝙣𝙜 𝙢𝙤𝙗𝙞𝙡𝙚 𝙖𝙥𝙥! 𝙒𝙝𝙖𝙩 𝙄 𝙡𝙤𝙫𝙚𝙙 𝙢𝙤𝙨𝙩 𝙞𝙨 𝙩𝙝𝙖𝙩 𝙝𝙚 𝙨𝙪𝙜𝙜𝙚𝙨𝙩𝙚𝙙 𝙛𝙚𝙖𝙩𝙪𝙧𝙚𝙨 𝙖𝙣𝙙 𝙪𝙥𝙜𝙧𝙖𝙙𝙚𝙨 𝙖𝙣𝙙 𝙩𝙧𝙪𝙡𝙮 𝙩𝙤𝙤𝙠 𝙤𝙬𝙣𝙚𝙧𝙨𝙝𝙞𝙥 𝙤𝙛 𝙩𝙝𝙚 𝙥𝙧𝙤𝙟𝙚𝙘𝙩. 𝙄 𝙝𝙞𝙜𝙝𝙡𝙮 𝙧𝙚𝙘𝙤𝙢𝙢𝙚𝙣𝙙!" "𝙎𝙖𝙡𝙢𝙖𝙣 𝙝𝙚𝙡𝙥𝙚𝙙 𝙗𝙪𝙞𝙡𝙙𝙞𝙣𝙜 𝙢𝙮 𝙖𝙥𝙥 𝙛𝙧𝙤𝙢 𝙨𝙘𝙧𝙖𝙩𝙘𝙝 𝙖𝙣𝙙 𝙢𝙖𝙙𝙚 𝙞𝙩 𝙝𝙖𝙥𝙥𝙚𝙣𝙚𝙙. 𝙏𝙝𝙖𝙣𝙠 𝙮𝙤𝙪 𝙨𝙤 𝙢𝙪𝙘𝙝 𝙛𝙤𝙧 𝙮𝙤𝙪𝙧 𝙝𝙚𝙡𝙥 𝙖𝙣𝙙 𝙖𝙡𝙬𝙖𝙮𝙨 𝙥𝙤𝙨𝙞𝙩𝙞𝙫𝙚 𝙩𝙤 𝙢𝙖𝙠𝙚 𝙩𝙝𝙞𝙣𝙜𝙨 𝙬𝙤𝙧𝙠!" ⚠️ 𝗦𝘁𝗿𝘂𝗴𝗴𝗹𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗺𝗮𝗻𝘂𝗮𝗹 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀, 𝘀𝗹𝗼𝘄 𝘀𝘆𝘀𝘁𝗲𝗺𝘀, 𝗼𝗿 𝗹𝗼𝗼𝗸𝗶𝗻𝗴 𝘁𝗼 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲 𝗔𝗜 𝗶𝗻𝘁𝗼 𝘆𝗼𝘂𝗿 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲? I help startups and businesses build custom software, SaaS platforms, and AI-powered applications that automate processes, improve efficiency, and scale operations. From MVP to full-scale systems, I develop high-performance solutions using React, Node.js, Laravel, and modern AI technologies like OpenAI & Claude (Anthropic); customized to real business needs. 💡 𝐌𝐲 𝟑-𝐒𝐭𝐞𝐩 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤: 1- Discovery & Planning Understanding your business workflows, automation gaps, and AI opportunities. 2- Custom Development Building scalable software, dashboards, and AI-integrated systems. 3- Launch & Scaling Deployment, optimization, and continuous improvements. ->𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐜𝐚𝐧 𝐞𝐱𝐩𝐞𝐜𝐭: • Clear communication • Long-term support • Attention to detail • On-time delivery -> 𝐊𝐞𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ✅ Custom Software Development • Business automation systems, admin dashboards, internal tools • SaaS platforms & scalable applications • Role-based systems & workflow optimization ✅ AI-Powered Application Development • OpenAI & Claude (Anthropic) integrations • AI chatbots, automation tools, smart workflows • AI SaaS platforms & intelligent dashboards ✅ SaaS & Web Application Development • Multi-tenant SaaS platforms • MVP development for startups • Scalable API-driven systems ✅ Backend Development (Node.js & Laravel) • REST APIs, authentication, secure systems • Database design (MySQL, MongoDB, Firebase) • High-performance architecture ✅ Frontend Development • React.js, Next.js, Vue.js • Responsive dashboards & user portals • Clean, scalable UI systems ✅ Mobile App Development • React Native apps (iOS & Android) • API integrations, notifications, authentication ✅ System Integration & DevOps • AWS, Docker, CI/CD pipelines • Third-party APIs & automation systems • Performance optimization & scaling 🌍 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈’𝐯𝐞 𝐖𝐨𝐫𝐤𝐞𝐝 𝐖𝐢𝐭𝐡 • SaaS & Startups • AI & Automation Platforms • Logistics & Operations (DBOX, Deborger) • Marketplaces & Booking Systems • Business Automation Tools • E-commerce Platforms ⚙️ 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐓𝐨𝐨𝐥𝐬 • Languages: JavaScript, TypeScript, PHP • Frontend: React.js, Next.js, Vue.js • Backend: Node.js, Laravel, Express • Mobile: React Native • Databases: MySQL, MongoDB, Firebase • AI Tools: OpenAI, Claude (Anthropic), AI APIs • DevOps: AWS, Docker, CI/CD • APIs: REST APIs, Third-party Integrations • Tools: GitHub, Postman, Figma 📅 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐦𝐚𝐫𝐭 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 Book your FREE 30-minute consultation to discuss your software idea, AI integration, architecture, and execution plan. Click "Invite to Job" - I’ll send you a clear roadmap within 24 hours.

I help startups, founders, and businesses turn ideas into scalable mobile applications that users actually love to use. Over the last 7+ years, I have developed and launched mobile applications for startups, SaaS companies, IoT products, and growing businesses using React Native, Flutter, Node.js, AI integrations, and cloud technologies. 🎯Top 5% in app design & development on Upwork 🎯 100% Job Success (Client Satisfaction Ratio) 🎯Helped companies reduce operational time by up to 50% 🎯Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 🏆 by Upwork Unlike developers who simply write code, I focus on building products that are: ✅ Launch-ready ✅ Scalable from day one ✅ Designed for growth ✅ Optimized for performance ✅ Built with long-term maintainability in mind What I Can Help You Build 📱 Custom Mobile Applications • React Native Apps • Flutter Apps • Native iOS & Android Apps • Cross-Platform Applications 🤖 AI-Powered Applications • ChatGPT Integrations • AI Chatbots • Recommendation Engines • AI Content Generation • NLP-Based Features 🌐 Startup MVP Development • Product Architecture • Rapid MVP Development • SaaS Mobile Applications • Marketplace Platforms • Subscription-Based Apps 💳 Payment & Subscription Systems • Stripe • PayPal • Apple Pay • Google Pay • In-App Purchases • Subscription Management 📡 IoT & BLE Applications • Smart Device Integration • Bluetooth Low Energy (BLE) • Wearables • Real-Time Monitoring • Sensor-Based Applications ☁ Backend & Cloud Infrastructure • Node.js • Express.js • MongoDB • PostgreSQL • Firebase • AWS • REST APIs • GraphQL Why Clients Hire Me ✔ Clear communication throughout the project ✔ Product-focused approach ✔ Clean and maintainable code ✔ Fast turnaround without sacrificing quality ✔ Reliable project delivery ✔ Long-term support after launch 💚 Let’s connect and turn your app idea into a reality! React Native | Flutter | iOS Development | Android Development | Mobile App Development | Cross-Platform Development | Hybrid App Development | Native App Development | Expo | FlutterFlow | JavaScript | TypeScript | React.js | Node.js | Full Stack Development | AI Integration | ChatGPT API | OpenAI API | Machine Learning | NLP | Chatbot Development | IoT | BLE | Bluetooth Low Energy | Payment Gateway Integration | Stripe | PayPal | Google Pay | Apple Pay | Firebase | AWS | App Store Optimization | App Store Deployment | Play Store Deployment | Push Notifications | REST API | GraphQL | Redux | Zustand | Next.js | MongoDB | PostgreSQL | MySQL | UI/UX Implementation | Dashboard Development | Admin Panel Development | Testing | Performance Optimization | API Integration | MVP Development | SaaS Development #MobileAppDevelopment #ReactNative #Flutter #iOSAppDevelopment #AndroidAppDevelopment #CrossPlatformApps #AIIntegration #Firebase #StripeIntegration #PayPalIntegration #AppStoreRelease #PlayStoreRelease #UXDesign #MVPDevelopment #IoTIntegration #BLEApps #Chatbots #OpenAI #TensorFlowLite #TopRatedFreelancer #CI_CD #DevOps #Docker #PushNotifications #RealTimeApps #CustomMobileApps

We Can help you: ★ Product Design & Development 🔸 Create the architecture of your next mobile app using React Native and Flutter 🔸 A to Z app design and development 🔸 Set up a development team and delivery processes 🔸 Review the quality of the code 🔸 Help to find bottlenecks on the technologies side for the rapid growth of your product 🔸 Consultancy to make app GDPR, HIPAA, and MDR compliant ★ Software testing 🔸 QA Audits and Assessments 🔸 QA Staffing 🔸 Dedicated QA team 🔸 Managed testing 🔸 Mobile app testing 🔸 Web app testing 🔸 DevOps Hi 👋 my name is Liudmyla Dziubynska, and I am a professional software engineer with more than 8+ years of experience creating custom high-load platforms and applications. Since 2017, I have been leading a team of software development engineers with deep expertise and focusing on developing custom cross-platform and web applications using: 🔹 Javascript & TypeScript 🔹 ReactJS 🔹 React Native 🔹 Flutter 🔹 NodeJS (NestJS, Express) Our developers not only pay attention to technical aspects, but we also have experiences in business domains, such as: 🔸 HealthCare 🔸 FinTech 🔸 Logistics 🔸 SaaS solutions 📌 What value we can bring: • Technical risk management. We care about the technical edge cases of the product to avoid any data breaches or fines in the future • Direct communication with the whole team and transparent cooperation • Solid processes in development, testing, and product delivery • Flexible working with the various time zones 📌 Key information about ZenBit Tech: • Delivery software development services since 2017 • ISO13486 certified • Headquarters and R&D in Eastern Europe with the sales office in the UK • Participating in and committed to the IT community (IT hubs, organizing local events, meetings, etc.) 🤔 Interesting in building a scalable and successful product? I would be happy to share my experience and provide you with a solution!

I'm an expert mobile developer with 8+ years specialising in AI-powered applications across React Native, Flutter, Swift, and Kotlin. I don't just connect an API and call it AI I architect smart, context-aware mobile experiences that think, respond, and adapt for your users. What I actually build: -AI-Powered Mobile Apps Chatbots, voice assistants, smart recommendation engines, on-device ML, real-time AI features using OpenAI, Claude, and Gemini APIs all running beautifully on mobile -Cross-Platform (React Native & Flutter) - One codebase, two platforms, zero compromise on performance or feel - Native iOS & Android (Swift / Kotlin) - When performance-critical or hardware-deep features demand it, I go fully native - AI Backend Integration -LLM pipelines, vector databases, embedding-based search, RAG architectures - wired seamlessly into your mobile frontend -Production-Ready Engineering -Clean architecture, CI/CD, App Store & Play Store deployment, scalable from day one Core Skills & Technologies: Flutter • Dart • React Native • Expo • Swift • SwiftUI • UIKit • Kotlin • Jetpack Compose • Android SDK • iOS SDK • Firebase • Firestore • Push Notifications (FCN/APNs) • Redux • MobX • Provider • Bloc • GetX • SQLite • Realm • Hive • REST APIs • GraphQL • WebSockets • In-App Purchases • Apple Pay • Google Pay • Stripe Integration • ARKit • CoreML • Google Maps SDK • App Store Optimization (ASO) If you're building the next AI-powered mobile product and need someone who's done it before let's talk. Message me with your idea. I'll tell you honestly if I can build it and exactly how.

Mobile App Developer | Built scalable iOS & Android apps, fixed performance issues, and improved user experience using Flutter and React Native. I review your app idea and give a clear roadmap to build a fast, scalable, and successful mobile app. ✔𝗜 𝘄𝗶𝗹𝗹 𝗿𝗲𝘃𝗶𝗲𝘄 𝘆𝗼𝘂𝗿 𝗮𝗽𝗽 𝗶𝗱𝗲𝗮 𝗮𝗻𝗱 𝘀𝘂𝗴𝗴𝗲𝘀𝘁 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁𝘀 𝗯𝗲𝗳𝗼𝗿𝗲 𝘄𝗲 𝘀𝘁𝗮𝗿𝘁. Many clients struggle with slow, buggy, and poorly designed mobile apps. Some apps fail because of bad user experience, weak performance, or poor scalability. This leads to wasted time, money, and missed business opportunities. I help you build high-performance, user-friendly, and scalable mobile apps for all platforms (iOS, Android, and cross-platform). I use modern technologies like Flutter, React Native, and native development to deliver apps that run smoothly and help your business grow. ➡𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ✔ Cross-platform mobile app development ✔ Native iOS & Android apps ✔ UI/UX focused app design ✔ API integration & backend systems ✔ App performance optimization ✔ AI integration in mobile apps ➡ 𝗦𝗸𝗶𝗹𝗹𝘀 ✔ Flutter ✔ React Native ✔ Swift ✔ Kotlin ✔ Java ✔ Firebase ✔ REST APIs ✔ UI/UX Design ✔ AI Integration ✔ AI Chatbot Development ➡ 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 ✔ Full mobile app development (iOS & Android) ✔ Cross-platform app development ✔ App UI/UX design ✔ Bug fixing & performance optimization ✔ App upgrade & maintenance ✔ API integration & backend connection ✔ App store deployment (Play Store & App Store) ➡ 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 ✔ Built multiple apps from idea to launch ✔ Worked with startups and growing businesses ✔ Delivered scalable and high-quality apps ✔ Long-term client collaboration experience ➡𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 ✔ E-commerce ✔ Healthcare ✔ Education ✔ Business & Finance ✔ Social Networking ➡ 𝗗𝗼𝗺𝗮𝗶𝗻 ✔ On-demand apps ✔ Booking systems ✔ Payment integration apps ✔ Chat & messaging apps ✔ AI-powered applications ✔ Custom business solutions ➡𝗧𝗼𝗼𝗹𝘀 ✔ Android Studio ✔ Xcode ✔ VS Code ✔ Firebase Console ✔ Git & GitHub ➡𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 ✔ Clean and scalable code ✔ On-time delivery ✔ Clear and fast communication ✔ Long-term support ✔ 100% client satisfaction focus ✔Message me now with your app idea and I will guide you step by step for FREE 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: mobile app developer, flutter developer, react native developer, ios developer, android developer, cross platform apps, mobile app development, flutter app developer, react native app developer, mobile ui ux, firebase developer, rest api, kotlin, swift, java, hybrid apps, native apps, app design, app optimization, bug fixing, app maintenance, scalable apps, startup apps, ecommerce apps, chat apps, booking apps, ai apps, ai integration, chatbot development, custom apps, mobile solutions, android studio, xcode, git, api integration, user friendly apps, performance optimization

Mobile apps rarely fail at launch. They fail when they scale, break, or stop delivering value to users. ***That is where the real work begins*** I work with startups and businesses to build mobile applications that are not just launched, but are stable, scalable, and built to perform under real user demand. From idea to App Store and Google Play, the focus stays on reliability, speed, and long-term usability. Over the past 10+ years, I have delivered 50+ mobile apps across iOS and Android, covering everything from early-stage MVPs to production-scale platforms used by growing user bases. 🔹Technology Stack: - Mobile Apps: React Native, iOS (Swift, SwiftUI), Android (Kotlin, Java), Flutter - AI/ML: ChatGPT, GPT-4o, Claude, RAG, NLP - Backend: Node.js, Python, Firebase, REST APIs - Cloud & Database: AWS, Google Cloud, MySQL, MongoDB - UI/UX Design: Figma, Adobe XD Important Note: All discussed ideas and project details are protected under a strict NDA. 🏆𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: - 10+ Years of Experience in mobile app development - 50+ Successful App Launches on App Store & Google Play - Fluent English & Client-Verified Communication Skills - 𝐂𝐥𝐢𝐞𝐧𝐭-𝐅𝐢𝐫𝐬𝐭 Philosophy: Quality, Satisfaction & Long-Term Partnerships 🌐 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞:- 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬: Dating Apps | Taxi Booking | Food Delivery | Health & Fitness | Education | E-commerce | Social Chat Apps | Music | Restaurant Apps 🔹𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞:- - AI & Chatbots: ChatGPT, OpenAI, AI-powered real-time chat - Backend & APIs: Node.js, Python, Firebase, REST API integration - Payments & Subscriptions: PayPal, Stripe, Razorpay, Google Pay, Apple Pay, In-App Purchases - Real-time & Media: Chat, Audio/Video Calls, Live Streaming - Location Services: Google Maps, Real-time Tracking, Geolocation - App Deployment: App Store & Play Store - AI and Chatbot Development: AI-powered chat, ChatGPT, OpenAI, Gemini, Deepseek, Replit, n8n 🔹𝐂𝐎𝐍𝐒𝐔𝐋𝐓𝐀𝐓𝐈𝐎𝐍 – • The best technology stack • App architecture & scalability strategies • Cost & timeline estimates tailored to your needs • Solutions for API integration, UI/UX, real-time features, and more Message me now to schedule a consultation! #MobileAppDeveloper #MobileAppDevelopment #AppDevelopment #iOSAppDevelopment #AndroidAppDevelopment #NativeAppDevelopment #CrossPlatformDevelopment #Flutter #ReactNative #Swift #Kotlin #Java #SwiftUI #AndroidSDK #Dart #APIIntegration #RESTAPIs #BackendDevelopment #Firebase #NodeJS #CloudServices #UIUXDesign #PushNotifications #RealTimeChat #InAppPurchases #PaymentGatewayIntegration #LocationServices #AppStoreDeployment #PlayStoreDeployment #AppOptimization #PerformanceTuning #AIIntegration #ChatGPTAPI #MachineLearningMobile #ARMobileApps #EcommerceApp #SocialAppDevelopment #FinTechMobile #HealthTechApp #OnDemandApps