🚀 Senior Mobile App Developer | Flutter | React Native | Android | iOS | AI-Powered Apps ✅ Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 🏆 by Upwork (Top 10%) ✅ 10+ years of experience ✅ 3400+ hours and still counting ✅ 100% Job Success (Client Satisfaction Ratio) ✅ High-Quality Work ✅ Budget-friendly ✅ Fluent English Looking for a reliable Flutter Developer, React Native Developer, or Mobile App Developer who can transform your idea into a high-quality mobile application? With 8+ years of experience, I build scalable, secure, and high-performance Android and iOS applications for startups, SaaS businesses, enterprises, and growing companies. Whether you need an MVP, a complete mobile product, or long-term development support, I deliver clean code, intuitive user experiences, and production-ready applications. Mobile App Development Expertise • Flutter Development • React Native Development • Android App Development (Kotlin) • Cross-Platform Mobile Applications • Native Android Development • Custom Mobile App Development • Mobile UI Implementation • MVP Development • Enterprise Mobile Applications • SaaS Mobile Applications AI Mobile Applications Build intelligent mobile experiences using modern AI technologies. • OpenAI (ChatGPT) API Integration • Google Gemini Integration • Claude AI Integration • AI Chatbots • AI Assistants • AI Content Generation • AI Image Generation • AI Automation • AI Document Processing Backend & API Integration • REST API Development & Integration • GraphQL APIs • Firebase • Supabase • Authentication & Authorization • OAuth • JWT Authentication • Cloud Functions • Third-Party API Integration Features I Build • Push Notifications (Firebase Cloud Messaging) • Google Maps & GPS Tracking • Live Location Tracking • Payment Gateway Integration (Stripe, Razorpay, PayPal) • In-App Purchases & Subscriptions • Real-Time Chat • Video Calling & Voice Calling • Bluetooth Low Energy (BLE) • IoT Device Connectivity • QR Code & Barcode Scanner • Camera Integration • Media Upload & Processing • Social Login (Google, Apple, Facebook) • OTP Authentication • Biometric Authentication (Face ID & Fingerprint) • Offline Data Synchronization • Background Services • Deep Linking • Analytics & Crash Reporting Industries • Healthcare & Telemedicine • FinTech & Digital Payments • E-commerce • Marketplace Apps • Logistics & Fleet Management • Food Delivery • Fitness & Wellness • Education (EdTech) • Social Networking • Booking & Reservation Systems • CRM Applications • Business Productivity Apps • SaaS Platforms Tech Stack Flutter • React Native • Kotlin • Dart • Java • Firebase • Supabase • SQLite • Hive • REST APIs • GraphQL • Google Maps API • Firebase Cloud Messaging (FCM) • Stripe • PayPal • Razorpay • OpenAI API • Gemini API • Claude API • Git • GitHub • CI/CD Why Clients Choose Me ✔ 8+ Years of Mobile App Development Experience ✔ Clean, Scalable & Maintainable Code ✔ Pixel-Perfect UI with Excellent User Experience ✔ Performance Optimization ✔ Secure Architecture ✔ Fast Communication & Regular Updates ✔ Agile Development Process ✔ Long-Term Maintenance & Support If you're looking for a Flutter Expert, React Native Expert, or Mobile App Developer to build a modern, scalable, and feature-rich Android or iOS application, I'd be happy to discuss your project and help bring your vision to life. 📞 𝐅𝐫𝐞𝐞 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 Message me to validate your idea and receive a clear MVP roadmap (features, timeline, and tech stack) within 24 hours — no obligation. Let’s build something impactful, Akshay Khajuria 

Hello! I am expert Backend Developer with almost 20 years of experience in backend, Android mobile, desktop apps, apps for embedded devices, ERP apps and web development. Proficient in developing applications in wide range of areas, including business applications and database management. Have high attitude expertise in Linux OS management, including building automated servers with set of services/tools for different purposes, virtualization tehcnologies like KVM/libvirt, containerization technologies like LXC, Docker, Kubernetes. What I can do: - Planning and implementing the app’s architecture and features. - Writing apps from the very scratch and further support. - Code Review, Fixing and supporting the apps written by others. - Working with a team of developers or solo. Technical Skills: * Languages and Frameworks: Java (Spring, Quarkus, Dropwizard....), Kotlin, C, C++, Qt, Rust, Go, Python (Django), JavaScript, PHP * Platforms: Backend, Android, Linux (Fedora, RedHat, CentOS, Ubuntu) * Technologies: Docker, Kubernetes, CI/CD, Mobile Development, Docker, KVM, libvirt, IT infrastructure monitoring tools, AWS services, GCP * Database Management: PostgreSQL, SQLite, MySQL.... - I'm open to working with big and small companies and individual clients. - I'm comfortable signing an NDA. - Prefer long-term collaboration. - Ready to work 30-60 hours per week I'm open to various projects and would love to show you my creative side too. My commitment to continuous learning keeps me updated with the latest trends and technologies, allowing me to bring cutting-edge solutions to your projects and better expreince. I am giving high attention to details, ready to resolve complicated and complex challenges, always tend to offer most efficient solution. Thanks for your time Regards Rafael S.

I help teams design and ship mobile applications for Android and iOS. My core background is native Android (Kotlin, Java), and cross-platform (Flutter & React Native). I've delivered 20+ commercial apps across fintech, social, maps, logistics, and entertainment. I cover the full cycle: architecture, feature development, testing, performance optimization, and post-release support. 🎯 What I work on: - New apps from scratch - UI/UX implementation - Architecture improvements - Crash fixes & stability - Release automation - Firebase/Analytics integration - API/backend integration - AI integration 🛠 Architecture: MVVM, MVP, Clean Architecture 🧩 Technologies and Libraries: - Android: Kotlin, Java, Jetpack Compose, Android SDK, Dagger/Hilt, Room, Retrofit, OkHttp, Coroutines, Flow - Flutter: Dart, BLoC, Provider, Riverpod, GetX - React Native: JavaScript, TypeScript, Redux, Expo - Firebase: Crashlytics, Analytics, AdMob, A/B testing, Cloud Messaging - Testing: JUnit, Mockito, Espresso, Robolectric - Git: GitHub/GitLab, Bitbucket, Mercurial 🤖 How I use AI I use AI as a productivity tool to speed up repetitive engineering work, but I never deliver raw AI-generated output. I focus on scalable, maintainable, and high-performance applications, delivering projects that meet both user expectations and business goals. If you are looking for someone who can build Android features or improve app quality - contact me.

Greetings! I’m an experienced and top-rated mobile developer from India with over 6 years of experience building high-quality apps for iOS, Android, and cross-platform (Flutter, FlutterFlow). I focus on creating smooth, modern, and scalable apps that users love. My Core Expertise: • SwiftUI, Kotlin, Java, Flutter, FlutterFlow, Jetpack Compose • Firebase (Auth, Firestore, Cloud Functions, Messaging), REST APIs • Payment gateways: Stripe, PayPal, Razorpay, RevenueCat • Local databases: SQLite, Room, Realm • Push notifications, analytics, ad monetization What I Offer: • Full-cycle mobile app development (iOS, Android, Flutter) • Pixel-perfect UI with smooth UX and animations • Secure API and payment integrations • Firebase-powered real-time features • Growth tools and monetization setup Why Work With Me: • Apps with proven results and great user ratings • Clean, maintainable code following best practices • Transparent communication and regular updates • Client-focused approach — I care about your app’s success I’m passionate about turning ideas into polished, production-ready apps. Let’s connect and build something amazing together!

‼️ 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽 𝗶𝗻 𝟱 𝗱𝗮𝘆𝘀. 𝗗𝗮𝗶𝗹𝘆 𝗽𝗿𝗼𝗴𝗿𝗲𝘀𝘀 𝘃𝗶𝗱𝗲𝗼𝘀. 𝗠𝗼𝗻𝗲𝘆 𝗯𝗮𝗰𝗸 𝗶𝗳 𝗜 𝗺𝗶𝘀𝘀 𝗮 𝗺𝗶𝗹𝗲𝘀𝘁𝗼𝗻𝗲. 𝗞𝗻𝗼𝘄 𝘆𝗼𝘂 𝗵𝗶𝗿𝗲𝗱 𝗿𝗶𝗴𝗵𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗶𝗻 𝘄𝗲𝗲𝗸 𝗼𝗻𝗲, 𝗻𝗼𝘁 𝗺𝗼𝗻𝘁𝗵 𝘁𝗵𝗿𝗲𝗲. 🏅 𝟭𝟬𝟬+ 𝗮𝗽𝗽𝘀 𝗽𝘂𝗯𝗹𝗶𝘀𝗵𝗲𝗱 to the App Store and Google Play with 𝗺𝗶𝗹𝗹𝗶𝗼𝗻𝘀 𝗼𝗳 𝗱𝗼𝘄𝗻𝗹𝗼𝗮𝗱𝘀 globally. 🏆 Honored as 𝗨𝗽𝘄𝗼𝗿𝗸'𝘀 #𝟭 𝗥𝗮𝗻𝗸𝗲𝗱 𝐊𝐨𝐭𝐥𝐢𝐧 𝐚𝐧𝐝 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 for hire on Upwork search (Check first Portfolio item) 🥳 Awarded an 𝐀𝐩𝐩𝐫𝐞𝐜𝐢𝐚𝐭𝐢𝐨𝐧 𝐋𝐞𝐭𝐭𝐞𝐫 by Singapore-based cashback platform Showbox, trusted by over 𝟑 𝐦𝐢𝐥𝐥𝐢𝐨𝐧 𝐮𝐬𝐞𝐫𝐬, in recognition of outstanding contributions. 📞 If you shoot me an invitation or message, I'll send you a personalised Loom video back on how I may be able to help you! 𝗔 𝗹𝗶𝘁𝘁𝗹𝗲 𝗺𝗼𝗿𝗲 𝗮𝗯𝗼𝘂𝘁 𝗺𝗲: I help startups and businesses turn ideas into fast, scalable mobile apps that users love. I build production-ready Android and iOS apps with clean architecture, smooth performance, and long-term scalability, so your app grows with your business. 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗺𝗲: ● Extremely Reliable, Communicative and Fast. ● 10+ years of experience. ● 112 Jobs completed only on Upwork with 5.0★ average. ● 100% Job Success Score with $250k+ earning only on Upwork. ● Real ROI with MVP Shipped in 4 weeks instead of months. 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: AI-powered apps | Kotlin | Java | Dart | Android Native | iOS + Desktop + Web with Kotlin Multiplatform and Flutter | Clean architecture | MVVM/ MVI/ bloc | Room/Drift | Dio/Ktor/Retrofit | Koin/get_it | Repository pattern | Offline-First | Compose Multiplatform | Widgets | JetPack Compose 📞 Invite me to your project or message me, and I’ll audit/review/plan at no cost. You can expect this to be genuinely valuable even if you choose not to work with me.

Profile Achievements:- ✓ 100% Job Success Rate ✓ Top Rated Profile ✓ Over 7 years in Android + App Development ✓ Cross Platform & Native App Development With 7 years of experience in mobile app development, I have gained strong expertise in developing high-performance native applications for iOS (Swift) and Android (Kotlin/Java). I develop scalable, and robust apps that meet businesses needs while ensuring optimal user experience. I've worked with startups and enterprise-grade solutions, delivering robust and future-proof applications. Key Expertise:- ✅ Native iOS Development (Swift, Objective-C) ✅ Native Android Development (Kotlin, Java) ✅ UI/UX Optimization (Custom components, animations, accessibility) ✅ Backend Integration (Firebase, REST APIs, GraphQL, AWS Lambda) ✅ Real-Time Features (WebSockets, push notifications, Firestore) ✅ Payment & E-Commerce Integration (Stripe, PayPal, Apple/Google Pay) ✅ App Security & Data Protection (OAuth, JWT, biometric authentication) ✅ App Performance Optimization (Lazy loading, caching, memory management) Big 2 Projects:- FinTech Banking App: (iOS & Android) - Developed for a leading financial institution, handling transactions for 500K+ users. - Integrated real-time payments, multi-layer authentication, AI-driven financial insights. - Achieved 99.9% uptime and 40% faster transaction processing. Health & Fitness Application: (Swift & Kotlin) - Built an AI-powered fitness tracking app with personalized workout recommendations. - Developed a custom motion tracking algorithm using device sensors (Gyroscope & Accelerometer). - Successfully scaled the app to 250K+ active users, driving engagement with gamification features. Development Approach & Workflow 📌 Agile Development: Sprint-based execution with CI/CD pipelines (Jenkins, GitHub Actions). 📌 UI/UX Design: Prototyping in Figma, Sketch, followed by performance tuning. 📌 API-First Development: Seamless backend connections with REST, GraphQL, Firebase. 📌 Automated Testing & Deployment: Unit/UI testing with XCUITest, Espresso, Firebase Test Lab. 📌 Post-Launch Support: Monitoring, updates, scalability improvements for future growth. Tech Stack & Tools: Technologies: Swift, Kotlin, Java, Firebase, GraphQL, REST APIs, AWS, Google Cloud. Dev Tools: Git, Bitbucket, Docker, Fastlane, Postman. Frameworks: Jetpack Compose, SwiftUI, Alamofire, Retrofit, RoomDB. Platforms: iOS, Android, App Store, Google Play, AWS, Azure. Let's connect for a quick exploratory chat to kickoff with your idea into mobile app! Keywords: Mobile App Developer, Android, iOS, React Native, Flutter, Kotlin, Swift, Dart, Cross-Platform Apps, Native Development, Firebase, Firestore, Realtime DB, Node.js, Express.js, REST API, GraphQL, OAuth, SQLite, MongoDB, Stripe, PayPal, Apple Pay, Google Pay, Git, GitHub, CI/CD, Google Play, App Store, Agile, Scrum, App Optimization, ASO, Crashlytics, BLE, Geolocation, AR, Video Streaming, WebSockets, Social API Integration, Google Cloud, AWS, Jetpack Compose, Hilt, Dagger, Coroutines, Room DB, MVVM, Clean Architecture, Unit Testing, SDK Integration.

Top-Rated Plus Mobile App Development Expert (Top 10%) | 100% Job Success Score | Mobile App Design & Mobile App Development | iOS & Android Mobile App Development | Swift | Kotlin | React Native | Flutter | AI-Driven Mobile App Development | Cross-Platform Mobile App Development | 8+ Years of Experience I specialize in mobile app development, creating scalable, secure, and production-ready digital products that support business growth. My approach combines strong engineering practices, thoughtful product design, and architecture decisions focused on long-term scalability across both iOS and Android ecosystems. Beyond feature delivery, I prioritize performance optimization, reliability, and maintainable codebases that evolve with product needs. My expertise covers structured iOS mobile app development, including modern Apple ecosystem solutions powered by Swift, clean architecture principles, and high-performance engineering practices. I build scalable iOS applications using efficient workflows, optimized memory management, and production-grade Swift implementations aligned with Apple platform standards. Within Android mobile app development, I design and deliver scalable solutions across complex application environments using Kotlin and modern Android architecture patterns. My work emphasizes modular structure, stability, and long-term maintainability, ensuring applications remain adaptable as products grow. When rapid delivery or flexibility is required, I implement React Native mobile app development solutions designed for production environments. My cross-platform expertise includes hybrid application strategies, scalable cross-platform architecture, and integrations powered by React ecosystems such as React JS, React Redux, Node.js, and Firebase services. I also support projects built with Flutter mobile app development, leveraging Dart, Firebase integrations, and scalable CI/CD delivery pipelines when hybrid or cross-platform strategies align better with product goals. With strong backend awareness, I collaborate closely with engineering and product teams to connect mobile ecosystems with web platforms such as WordPress and Shopify, while supporting launch readiness and mobile growth strategies. Effective collaboration with designers and product stakeholders remains a critical part of successful mobile app development workflows. 5 star reviews! “Reliable mobile app development partner delivering stable releases - from MVP recovery to scalable production systems.” What I Bring: ✔️ 8+ years of experience delivering products through full mobile app development lifeccles, helping teams confidently move from concept to production. ✔️ Native expertise across enterprise-level iOS and Android mobile app development supported by strong architectural decision-making. ✔️ Cross-platform scalability using React Native and Flutter mobile app development ecosystems. ✔️ Advanced API integrations, Firebase workflows, authentication systems, analytics, payment gateways, and push notification infrastructure aligned with business objectives. ✔️ Product-focused collaboration mindset supporting designers, stakeholders, and engineering teams throughout development. 📱 Types of Mobile Applications I Build: • Taxi & Transportation Platforms • Booking and Scheduling Systems • Fitness & Health Applications • AI-Powered Mobile Products • Security-Focused iOS and Android Solutions • Social Media and Streaming Platforms including live streaming and video streaming ecosystems • Fintech & Payment Applications • E-commerce Ecosystems integrated with WordPress and Shopify • Business & SaaS Platforms • Wearables & IoT Solutions with watchOS, Apple Watch, WatchKit, and smart watch integrations • Delivery and Dating Applications Technologies & Skills I design scalable ecosystems combining native and cross-platform engineering approaches. Apple platform solutions rely on Swift, advanced iOS engineering practices, and optimized performance delivery. Android solutions are powered by Kotlin, modular architecture, and modern Android development standards. Cross-platform acceleration includes React Native mobile app development, hybrid architectures, and scalable mobile ecosystems supported by Flutter, Dart workflows, and production-ready delivery pipelines. My work in mobile app development also includes third-party integrations, backend coordination, wearable ecosystems such as Apple Watch and smart watch solutions, and long-term product evolution strategies. 📩 Let’s connect and build something impactful together.

Need a reliable React Native developer to build your MVP or scale your mobile application? I help startups and businesses build fast, scalable, and production-ready mobile applications using React Native, Swift, and Kotlin. From MVPs to enterprise solutions, I focus on clean architecture, intuitive user experiences, and long-term maintainability. With 5+ years of professional experience, I've delivered mobile products for clients in the USA and UK across POS systems, workforce management, surveillance platforms, real estate, and marketplace applications. What I Can Help With ✔ React Native & Expo Development ✔ Cross-Platform Mobile App Development ✔ Native iOS (Swift) & Android (Kotlin) Development ✔ MVP Development for Startups ✔ Firebase, REST API & GraphQL Integration ✔ Authentication & Payment Gateway Integration ✔ Push Notifications & Real-Time Features ✔ Google Maps & Location Services ✔ Performance Optimization & Bug Fixes ✔ App Store & Google Play Deployment Tech Stack React Native • Expo • TypeScript • Swift • Kotlin • Jetpack Compose • Firebase • REST APIs • GraphQL • Git Why Clients Work With Me ✔ Production-ready, scalable code ✔ Clean and maintainable architecture ✔ Clear communication and fast response ✔ Business-focused solutions that deliver real value ✔ Reliable long-term support If you're looking for a developer who can turn your idea into a polished mobile product or improve an existing application, I'd be happy to discuss your project.

🏆TOP RATED UPWORK TALENT 🌟 🌟 Responsive communication 🌟 🌟 Full time Dedication 🌟 🌟 Post-development maintenance I’m a Full stack mobile app developer. I have worked in IT Industry for over 5 years. I developed dozens of web & mobile applications over the time. Technologies I am adept in :- ❇️ Native iOS: Swift, SwiftUI ❇️ Native Android: Kotlin, Java ❇️ Bubble.io ❇️ MVVM/ MVC ❇️ Google map api, InApp billing, Facebook API, Twitter API, Instagram API, Youtube API ❇️ MySQL/MongoDB ❇️ Payment Integration: PayPal, Stripe, Braintree ❇️ Javascript / Typescript My Development Area : ✅ E-Commerce Apps ✅ Camera Apps ✅Health / Fitness app/ Education ✅ Location based Apps , Google Maps integration ✅ Bar code/QR code Scanner Apps. ✅ iBeacon, BLE app ✅ Social Networking app, Social Dating app, Instant Messaging app ✅ Social Logins Integration such as Facebook, Twitter, Google+, YouTube, Instagram, LinkedIn, etc. ✅ Push Notification Integration using One Signal, Firebase, etc, ✅ Payment Gateway integration: Stripe, PPSDK and In-App Purchase, etc. I follow following development processes & tools :: 🌟 Git/Bitbucket - commit/push/pull /branches 🌟 Environments – dev/staging/production 🌟 Android Studio/ xcode/ IDE 🌟 Agile/Scrum methodology 🌟 JIRA, Trello, Teamwork, Asana, Basecamp, Zoho, Redmine Availability and Communication : ---------------------------------------------- - I am available to work 40hrs/week dedicatedly on your project - My response time is very fast , available 18hrs a day. - Daily stand up meetings, update email, weekly demo of the project progress - I strongly follow NDA terms - Inhouse testing with multiple android and iOS devices I believe that transparent communication and flexibility are the key elements for making a successful collaboration. So, I make sure that my clients stay updated about the development process. Assure 100% satisfactions. Thanks

Welcome to my profile! I’m glad you’re here. For the past 9+ years, I’ve been building high-quality, native mobile applications using the best tools available: Swift / SwiftUI / Objective-C for iOS and Kotlin / Java / Jetpack Compose for Android. From sleek, simple apps to massive enterprise-level platforms with complex backend logic, real-time data, and multi-layered architecture — I’ve done it all. Whether you need a beautifully designed iOS app, a lightning-fast Android product, or a full end-to-end solution that brings together frontend, backend, AI, and scalable infrastructure — I can take your idea and turn it into a polished, production-ready product. 🌟 What I Do As a Native Mobile Developer, I specialize in building high-performance iOS and Android apps with strong attention to UI, UX, security, and smooth user experiences. I combine clean architecture patterns with robust backend logic to ensure everything works flawlessly across all devices — smartphones, tablets, smartwatches, Apple TV, and even Android TV. I work with REST APIs, GraphQL, Firebase, Firestore, WebSockets, on-device ML, and advanced mobile architecture patterns to deliver fast, intuitive, and scalable apps. 🚀 Need help with your mobile app? You're absolutely in the right place. 1️⃣ Deep Expertise in Mobile App Development 📱 I collaborate with a strong engineering team of 50+ specialists, delivering full-cycle mobile app development — from idea validation and prototyping to UI/UX, backend architecture, QA testing, store deployment, and long-term support. We build: - Native iOS apps (Swift, SwiftUI, Objective-C) - Native Android apps (Kotlin, Java, Jetpack Compose) - Cross-platform apps (Flutter, React Native, KMM) - Custom backend systems - AI-powered mobile features and automation tools Whether you’re building an MVP or scaling a mature product — we’ve got you covered. 2️⃣ Accelerated Time to Market ⏱⚡ - We deliver apps 30–50% faster than most teams thanks to: - Agile workflows (Scrum/Kanban) - CI/CD automation - Reusable architecture patterns - Parallel development (iOS + Android + backend) - Faster launch = stronger competitive advantage. 3️⃣ Expert Mobile Technologies 🛠️ - Swift, SwiftUI, Objective-C - Kotlin, Java, Jetpack Compose - Flutter, Dart - React Native, TypeScript - Firebase, Firestore, AWS, Node.js, Python, Django - AI/ML integrations Performance, responsiveness, clean code — no compromises. 4️⃣ Exceptional UI/UX Interfaces 🎨 - As a mobile UI/UX designer, I create: - Elegant iOS & Android app designs - Smooth animations (SpriteKit, Lottie) - Pixel-perfect layouts - Intuitive flows aligned with user psychology - Brand-consistent visuals (logo design, branding, Illustrator work) We design with purpose — not just pretty screens. 5️⃣ Scalable Back-End Architecture 🗄️ Your backend is the backbone. Our backend expertise includes: - Node.js, TypeScript - Django, Python - Laravel, PHP - GraphQL & REST APIs - AWS / GCP / Azure / Serverless - Firestore, SQL, NoSQL We ensure flawless performance, even under heavy load. 6️⃣ AI-Powered Mobile Applications 🤖 I integrate: - ChatGPT & LLMs - Custom ML models - Recommendation engines - Predictive analytics - Computer vision tools - Voice & NLP processing Your app becomes smarter, more personal, and more efficient. 💼 Tech Stack Overview Android: Kotlin, Java, Jetpack Compose, Android Studio iOS: Swift, Objective-C, SwiftUI, RxSwift Cross-Platform: Flutter, Dart, React Native, KMM Backend: JavaScript/TypeScript, Node.js, Django, Python, GraphQL, REST API, AWS, SQL Frontend: React, Redux, Vue, MUI, Vuetify Also: branding, UI/UX, DevOps, CI/CD, QA testing, and store publishing. Highlighted Skills android, android developer, android kotlin, android app, reverse engineering (android), android tv app, android/ios smartphone apps, ios, ios developer, ios app, ios ui design, ios marketing, swift, swiftui, app developer, mobile app development, mobile app design, mobile ui ux designer, mobile game developer, cross-platform mobile development, hybrid app development, react, react developer, react native, react native mobile, react typescript, frontend react, backend, backend developer, node, javascript, typescript, firebase, firestore, firebase analytics, react + firebase, python, python developer, machine learning, data scientist, django, kotlin, kotlin developer, kotlin android, kotlin multiplatform, java, flutter, jetpack compose, compose (android), full stack developer, web developer, web design, web designer, branding, logo design, illustrator, wordpress, shopify, laravel, blockchain, apple watch, watchkit, spritekit, watchOS development, tv app, qa testing, app tester, ceros, synology, semrush, upload products 💬 Feel free to message me here on Upwork — I’ll be happy to discuss your project, suggest solutions, and help you bring your vision to life. Regards, Valerii 📆 Last Updated: 12/15/2025