Mobile App Developer | Flutter Developer | React Native Developer | iOS & Android Apps | AI-Powered MVPs I am a Mobile App Developer with 12+ years of experience building high-quality mobile applications for startups, SaaS companies, enterprises, and growing businesses worldwide. As a Mobile App Developer, I have successfully delivered 500+ projects ranging from MVPs and startup products to large-scale applications used by thousands of users. My expertise includes Flutter, React Native, iOS, Android, Firebase, Node.js, AI integrations, and scalable cloud-based architectures. Whether you need a new mobile application, MVP development, app modernization, AI-powered features, or long-term product support, I can help turn your idea into a successful product. 🚀 What I Can Help You Build • Cross-platform mobile applications using Flutter and React Native • iOS and Android applications with native-like performance • SaaS platforms and subscription-based mobile products • AI-powered applications using OpenAI and Gemini • Marketplace and on-demand service apps • Healthcare, Fintech, E-commerce, Logistics, and Social Networking applications • MVPs for startups looking to launch quickly and validate ideas • Scalable backend systems using Firebase, Node.js, PostgreSQL, MongoDB, and AWS As a Mobile App Developer, I focus not only on writing clean code but also on creating products that are scalable, maintainable, and aligned with business goals. 🧠 AI-Powered Mobile Applications As an AI-focused Mobile App Developer, I help businesses integrate practical AI features that improve user experience and automate manual processes. Examples include: • OpenAI and Gemini integrations • AI chat assistants and customer support automation • Content generation and summarization • AI-powered recommendations and personalization • Workflow automation and intelligent business tools • AI agents for scheduling, data processing, and productivity I believe AI should solve real business problems and deliver measurable value rather than being added simply as a trend. 🛠 Technical Expertise Mobile Development: Flutter, React Native, Swift, Kotlin, Dart, JavaScript, TypeScript Backend & Cloud: Firebase, Node.js, AWS, PostgreSQL, MongoDB, REST APIs, GraphQL AI & Automation: OpenAI API, Gemini API, Vector Databases, AI Agents, Prompt Engineering Design & Product: Figma, Postman, Jira, Agile Development, Automated Testing 📈 Why Clients Work With Me ✔ 500+ Successfully Delivered Projects ✔ 12+ Years of Mobile Development Experience ✔ Flutter & React Native Specialist ✔ MVP to Enterprise-Level Product Development ✔ Strong Communication and Transparent Process ✔ Long-Term Product Support and Scaling Expertise As a Mobile App Developer, I understand that every project is different. Some clients need a fast MVP to validate an idea, while others need a reliable development partner to scale an existing product. My goal is to provide solutions that support your business objectives and help you grow. If you are looking for a Mobile App Developer who combines strong technical expertise, startup experience, and practical AI integration, I would be happy to discuss your project. 📩 Send me a message and let's discuss how we can bring your mobile app idea to life.

While most Flutter developers are still debugging, my apps are already live with over 100,000 real users using them daily. 50+ apps shipped. 8 years building. Zero missed deadlines. One developer who handles design, development, and deployment end to end. 📲 WHAT I'VE BUILT A consumer marketplace app that scaled to 40K active users in its first 6 months Flutter, Firebase, Stripe, real-time order tracking built in. A telemedicine platform serving 25K+ patients React Native, video consultation, HIPAA-aware architecture, deployed on both App Store and Google Play. An AI-powered fitness app with GPT-4 personalization engine workout recommendations that adapt in real time based on user behavior. Currently live with 15K users. These are not side projects. These are production apps with real users, real load, and real business outcomes behind them. 🛠 WHAT I BUILD Flutter and React Native apps that run on iOS and Android from a single codebase without sacrificing performance or feel. Native iOS in Swift and native Android in Kotlin when the project demands it. AI-powered mobile features built on OpenAI, Gemini, and Claude chatbots, recommendation engines, voice recognition, computer vision, and personalization layers that make apps genuinely smarter. Full-stack mobile development frontend UI, backend on Node.js or Firebase, database, API integration, payment processing, and App Store deployment handled in one engagement. No coordination overhead. No handoff gaps. 🤖 AI MOBILE CAPABILITIES GPT-4 and Claude integration for conversational features, LLM-powered personalization, smart recommendation engines, voice recognition and NLP, image recognition and computer vision, and AI-driven UX that adapts to user behavior in real time. ⚡ WHY CLIENTS COME BACK Most mobile developers deliver code. I deliver a working product. I've shipped 50+ apps across consumer, B2B, healthcare, marketplace, and on-demand verticals. I know where apps break in edge cases, under load, across device sizes, on submission day. I build for those scenarios from day one, not as an afterthought. Every build ships with full QA on real iOS and Android devices, App Store and Google Play deployment handled end to end, and 30 days of post-launch support. You go live with confidence, not fingers crossed. TECH STACK Mobile — Flutter, React Native, Swift, Kotlin, Dart AI — OpenAI GPT-4, Gemini, Claude API, TensorFlow Lite, ML Kit Backend — Node.js, Firebase, REST API, GraphQL, Supabase Database — Firestore, PostgreSQL, MongoDB, SQLite Cloud — AWS, Google Cloud, Docker, CI/CD, TestFlight Payments — Stripe, in-app purchases, subscriptions Tools — Google Maps, Twilio, Agora, OneSignal HOW TO WORK WITH ME Fixed-price project — scoped with wireframes, milestones, and clear deliverables. Typical range $3,000–$25,000 depending on complexity and integrations. MVP build — fastest path from idea to App Store. Scoped for speed, built for scale. Hourly — for existing apps, feature additions, or ongoing development. 🚀 LET'S BUILD I work best with founders and product teams who have a clear problem to solve and want a finished product not just code files. Tell me your app idea in two sentences. I'll tell you the right stack, a realistic timeline, and a rough cost range within a few hours. No pitch. No obligation. Just a straight answer.

🇺🇸 USA Born and raised - Fluent English Speaker 👨🏽‍💻 ✅ Trust & Integrity are my #1 priorities. I pride myself on excellent communication, fast execution, strong project management, and being a reliable technical partner who fully understands your mobile app vision before building. I’m a full stack mobile app developer with 12+ years of engineering experience specializing in designing, building, managing, and maintaining production-ready iOS and Android applications. I help startups, founders, and businesses transform ideas into scalable mobile apps — from initial app prototyping and MVP development to long-term maintenance, feature updates, optimization, and scaling. Before AI, I built software using traditional engineering practices and focused on creating secure, scalable architectures. Today, I combine that experience with AI-assisted development to move significantly faster while maintaining production-grade engineering standards at lower costs. I leverage AI tools like Claude Code, Cursor AI, and ChatGPT to accelerate mobile app development, architecture planning, debugging, prototyping, integrations, maintenance, and shipping. I’ve professionally designed, built, managed, and maintained 100+ full stack mobile apps, SaaS apps, AI-powered applications, marketplaces, automation systems, and custom software solutions using React Native, Flutter, FlutterFlow, Adalo, React, Next.js, Node.js, JavaScript, APIs, databases, cloud platforms, and modern AI-assisted development workflows. My mobile app expertise includes: 📱 iOS app development 📱 Android app development 📱 React Native development 📱 Flutter & FlutterFlow development 📱 Mobile app maintenance & management 📱 App updates, bug fixes, and performance optimization 📱 AI-powered mobile apps 📱 Social media apps 📱 Marketplace apps 📱 SaaS mobile applications 📱 API integrations 📱 Backend architecture 📱 Authentication, payments, subscriptions, notifications, and automation systems A large part of my workflow involves engineering AI-assisted development systems using Claude Code and Cursor specifically designed to produce secure, scalable, maintainable software faster than traditional development cycles. 🏆 Top-Rated Plus status and 100% Job Satisfaction (Upwork & outside platforms) I work with founders, startups, and businesses looking for a long-term technical partner who can build, manage, and maintain their mobile applications from idea to production. 🙅 Please don't contact me if communication is poor. Keywords: mobile app development, mobile app developer, iOS app development, Android app development, iPhone app developer, Android app developer, React Native developer, Flutter developer, FlutterFlow developer, cross platform app development, native mobile app development, hybrid app development, mobile application development, mobile app design, mobile UI/UX design, mobile app prototyping, MVP app development, startup app development, consumer app development, SaaS mobile app development, AI mobile app development, AI-powered mobile apps, mobile app maintenance, mobile app management, mobile app updates, mobile app optimization, mobile app scaling, mobile app bug fixing, mobile app support, app redesign, app modernization, app performance optimization, mobile backend development, mobile API integration, REST API integration, GraphQL integration, Firebase development, Supabase mobile apps, mobile database architecture, authentication systems, payment integration, subscription apps, App Store deployment, Google Play Store deployment, App Store optimization, push notifications, location-based apps, social media apps, marketplace apps, eCommerce apps, fitness apps, healthcare apps, fintech apps, booking apps, on-demand apps, mobile SaaS platforms, enterprise mobile apps, custom mobile applications, mobile-first development, app architecture, scalable mobile applications, full stack mobile developer, mobile app consultant, mobile app engineer, mobile product development, app MVP builder, startup technical partner

Have an app idea? I'll turn it into a market-ready product fast. With 5+ years of experience and 150+ apps delivered, I help founders, startups, and growing businesses launch high-quality mobile apps that users actually love without blowing the budget or missing deadlines. Whether you need an MVP to validate your idea quickly, or a full-scale app ready for the App Store and Play Store, I handle everything end-to-end: strategy, design, development, testing, and launch. WHAT I BUILD ✦ React Native & Flutter hybrid apps (iOS + Android from a single codebase) ✦ Native iOS apps (Swift/SwiftUI) & Android apps (Kotlin) ✦ MVP Development validate fast, launch faster ✦ E-commerce Apps (cart, checkout, Stripe/PayPal payments) ✦ On-Demand Apps (ride-hailing, food delivery, booking systems) ✦ Real Estate Apps (MLS listings, agent tools, property search) ✦ AI-powered mobile apps (chat, smart automation, AI features) ✦ PWA & cross-platform web apps CORE FEATURES I DELIVER ✦ Secure payments Stripe, PayPal, Apple Pay ✦ Real-time GPS & Google Maps integration ✦ Push notifications & in-app chat/messaging ✦ Social login (Google, Apple, Facebook) & secure authentication ✦ Offline-first apps with background sync ✦ Clean UI/UX design with smooth 60fps animations ✦ CI/CD pipelines for automated builds & deployments ✦ App Store & Google Play Store submission & compliance WHY CLIENTS CHOOSE ME ✦ 150+ successful projects delivered across startups and enterprises ✦ 5+ years of specialized mobile development experience ✦ Bug-free, production-ready code not just prototypes ✦ Clear communication and on-time delivery, every time ✦ Post-launch support I don't disappear after delivery ✦ I think like a product owner, not just a developer 📞 Ready to build something great together? Send me a message with your app idea and let's discuss how to bring it to life. I offer a free 30-minute discovery call for serious projects.

Hi, I’m Ashish— A Senior Full-Stack Developer with 8+ years of hands-on experience building reliable, scalable, and high-performance web and mobile applications. I help startups, founders, and businesses turn ideas into production-ready products — or stabilize, optimize, and scale existing applications. I don’t just write code; I focus on clean architecture, performance, and long-term maintainability. 🚀 What You Can Expect Production-ready, clean, and scalable code Clear communication and quick response times Strong ownership of features and bug fixes Focus on performance, UX, and business goals Reliable long-term support after delivery 💻 Front-End Development I create modern, fast, and user-friendly interfaces that work flawlessly across devices. React.js, Redux, Next.js Angular (legacy & modern versions) JavaScript (ES6+), HTML5, CSS3 Bootstrap, Sass, SCSS Responsive & mobile-first design Page speed & performance optimization ⚙️ Back-End Development I design robust server-side systems that scale as your product grows. Node.js, Express.js RESTful API development MongoDB, MySQL MVC & scalable architecture Authentication, authorization & security Third-party API integrations 📱 Mobile App Development High-quality mobile apps with smooth UX and strong performance. React Native (iOS & Android) Native Android (Java / Kotlin) Native iOS (Swift) Firebase & push notifications Offline data sync App performance optimization 🧩 Tech Stack Expertise MERN & MEAN stacks Next.js for SEO-friendly, high-performance apps Scalable, cloud-ready application architecture 🤝 My Working Style Clear, honest communication On-time delivery with realistic estimates Strong problem-solving mindset Long-term collaboration focus Whether you need a full product built from scratch, help with bug fixing and improvements, or a reliable developer to maintain and scale your app, I’m ready to help. 📩 Let’s discuss your project and see how I can add value.

💰 Helping startups and businesses build SaaS platforms, mobile applications, marketplaces, AI-powered products, and custom business systems that scale. 🏆 15+ Years of Development Experience ✅ 100+ Successful Projects Delivered ⏰ 4000+ Upwork Hours 🤝 Long-Term Partnerships with Startups & Growing Businesses Most clients hire me when they need more than a developer. They need a Full Stack Developer who can understand business requirements, architect the solution correctly, and deliver a product that can grow without expensive rewrites later. As a Full Stack Developer, I work across web, mobile, and backend systems, helping founders launch MVPs, modernize existing platforms, and scale production applications. 🔥 Core Expertise ✅ Full Stack Development ✅ SaaS Product Development ✅ Custom Web Applications ✅ Mobile App Development ✅ AI Integrations & Automation ✅ CRM & ERP Solutions ✅ Marketplace Platforms ✅ Fintech Applications 💻 Full Stack Developer Services As a Full Stack Developer, I build complete solutions from frontend to backend using modern technologies and scalable architectures. My focus is always on: ✔ Clean Architecture ✔ Fast Performance ✔ Scalability ✔ Security ✔ Long-Term Maintainability ⚙️ Laravel Developer As a Laravel Developer, I build robust backend systems, REST APIs, admin panels, CRM platforms, ERP solutions, booking systems, marketplaces, and SaaS applications. Laravel Expertise: ✔ Laravel ✔ Laravel Livewire ✔ Full Stack Laravel ✔ Laravel Firebase Integration ✔ REST APIs ✔ Payment Gateways ✔ Multi-Tenant SaaS Platforms ✔ Queue Systems & Background Jobs Many businesses hire me as a Laravel Developer to improve performance, modernize legacy systems, and build scalable applications from scratch. 📱 Flutter Developer As a Flutter Developer, I create high-performance mobile applications using a single codebase for both iOS and Android. Flutter Expertise: ✔ Flutter ✔ Flutter Dart ✔ Firebase ✔ Payment Integrations ✔ Real-Time Applications ✔ Enterprise Mobility Solutions ✔ Cross-Platform Development Whether it's an MVP or a production-scale application, I help businesses launch reliable mobile products quickly. 📲 React Native Developer As a React Native Developer, I develop scalable mobile applications with native-like performance for both iOS and Android platforms. React Native Expertise: ✔ React Native ✔ React Native Developer Services ✔ Mobile Architecture ✔ Third-Party Integrations ✔ Push Notifications ✔ Real-Time Features ✔ App Store & Play Store Deployment 🚀 Technical Stack Frontend: React, Next.js, Vue.js, JavaScript, TypeScript Backend: Laravel, Node.js, Nest.js, PHP Mobile: Flutter, Flutter Dart, React Native Database: MySQL, PostgreSQL, MongoDB, Firebase Cloud & DevOps: AWS, DigitalOcean, Docker, CI/CD AI: OpenAI, ChatGPT, AI Agents, RAG Systems 🎯 Why Clients Choose Me ✔ Full Stack Developer with business-first thinking ✔ Laravel Developer experienced in complex backend systems ✔ Flutter Developer focused on performance and user experience ✔ React Native Developer for scalable mobile products ✔ Clear communication and reliable delivery ✔ Solutions designed for growth, not just launch If you're looking for a Full Stack Developer, Laravel Developer, Flutter Developer, or React Native Developer who can take ownership of your product from idea to deployment, let's discuss your project. 🔑 Keywords: Full Stack Developer, Fullstack programming, React, Laravel, Laravel Developer, Laravel livewire Laravel full stack, Full stack laravel, laravel firebase, Node.js, Nest.js, JavaScript, Flutter, Flutter Developer, Flutter Dart, Laravel Developer, React Native, React Native Developer, Full Stack Laravel Developer

Hey 👋 I’m Anastasiia, a Senior Software Engineer specializing in cross-platform React Native app development for operations platforms, SaaS products, and real estate / field-service teams, from MVP to production-ready apps on iOS and Android. I help teams turn product ideas into stable, scalable mobile systems that users actually rely on daily. 🚀 What I Build with React Native Cross-platform mobile apps (iOS + Android) with a mobile-first UX Offline-first workflows with reliable data sync Push notifications (real-time updates, alerts, user engagement) Payments & subscriptions (in-app purchases, Stripe, Apple/Google Pay) Maps, geolocation & route-based features BLE / device integrations when hardware is involved Secure API integrations (often with .NET / REST / GraphQL backends) Admin dashboards (web companion panels for operations teams) 🧠 How I Work Discovery → clarify product goals, users, and edge cases Architecture → define scalable mobile structure (state, data flow, API design) Milestone delivery → iterative builds with clear scope per stage Weekly demos → working builds you can test continuously Store release → full App Store / Google Play preparation and deployment 💡 Why this approach works You get a production-ready architecture early, not just UI screens The app is designed to scale from MVP → full platform without rewrites Mobile performance, reliability, and UX are treated as core requirements, not afterthoughts You always know what’s being built and why, at every step If you already have an app idea, a prototype, or even an existing codebase, share it with me. I’ll map out the fastest and cleanest path to get it into production.

Results-driven, highly motivated and dedicated Web Developer with diverse experience with the delivery of new and revised systems-based applications developed per client specification on-time, under budget and exceeding expectations.strong SDLC skills to support and grow business objectives. Flutter | React Native | Laravel | YII2 | CorePHP | Angular js | Wordpress | React Node js Recognized as a leader with strengths in re-engineering businesses processes, defining continuous improvement processes. Verifiable track record of managing complex projects. Practiced in clarifying business requirements, designing process improvements to increase productivity and reduce costs.

🔥 Top Rated Plus on Upwork 🔥 9+ Years of Win Record 🔥 55 Total Jobs Completed 🔥 4200+ Hours Hello, I have been working from the past 9+ years of experience in mobile app development, I have successfully delivered 55+ projects, which have added up to more than 4,267 hours of work and have earned me more than $70K on Upwork. With a Top-Rated badge, I am committed to delivering high-quality, scalable, and user-friendly applications that fit your business needs. 💡 What I Offer: ✅ Cross-Platform Development – React Native & Flutter ✅ Native Mobile Development – iOS (Swift, Objective-C) & Android (Kotlin, Java) ✅ End-to-End App Development - From UI/UX to deployment ✅ Third-Party API Integrations - Firebase, Stripe, Google Maps, REST & GraphQL APIs ✅ App Maintenance & Scaling – Performance optimization & bug fixes 🔥 Why Hire Me? ✔️ Over 8+ years of experience in hands-on development ✔️ Proven track record for 55+ completed projects ✔️ 4,267+ hours worked with a 5-star rating ✔️ Top-Rated freelancer with a strong commitment to deadlines & quality 📩 Let's discuss your project and bring your mobile app ideas to life! ????

I build full-stack SaaS products, MVPs, AI platforms, and mobile apps from idea to production. I work best with startup founders and technical leads who need one reliable engineer to own the entire build Over 6+ years, I have owned complete product builds from architecture to deployment: → Built healthcare SaaS platforms with Django, PostgreSQL, NLP-powered clinical workflows, HIPAA compliance, and multi-tenant architecture handling 100+ clinics. → Developed AI-powered e-commerce marketplaces with Next.js, Node.js, Stripe integration, real-time order management, and vendor dashboards. → Shipped React Native and Flutter mobile apps on iOS and Android for sports management, logistics tracking, live streaming, and health monitoring apps with 100k+ downloads. → Integrated OpenAI GPT-4, Claude API, and LangChain for AI agents, RAG pipelines, document automation, and semantic search to cut manual workflows by 30%. → Built AI-powered sports platforms with Azure OpenAI integration, multi-agent workflows, automated document generation, and third-party API integrations. → Designed scalable backend APIs with Node.js/NestJS, FastAPI/Django, REST and GraphQL, handling 1000s of daily transactions with Redis caching. → Deployed production systems on AWS (EC2, S3, Lambda, RDS), Google Cloud, Vercel with CI/CD pipelines, Docker containerization, and automated scaling. → Built SaaS authentication and authorization systems with JWT, NextAuth, Supabase, role-based access control (RBAC), and multi-tenant data isolation. → Integrated third-party payment systems: Stripe subscriptions, RevenueCat for mobile billing, and webhook-driven transaction handling. → Developed real-time features using WebSockets, Firebase Cloud Messaging, push notifications, and live data syncing across platforms. → Built admin dashboards for user management, analytics, compliance tracking, and operational workflows with Zustand, React Query, and shadcn/ui. → Fixed legacy systems, optimized database queries, debugged production issues, and scaled applications handling millions of requests without downtime. → Maintained 100% client satisfaction across 5,400+ hours on Upwork projects with on-time delivery and long-term relationships. 🛠️ My stack covers the full product: → Frontend: React, Next.js, TypeScript, Tailwind CSS, React Native, Flutter → Backend: Node.js, NestJS, Python, Django, FastAPI, GraphQL, REST APIs → AI Layer: OpenAI API, LangChain, RAG pipelines, AI Agents, vector databases → Database: PostgreSQL, MongoDB, MySQL, Firebase, Redis → Cloud: AWS, Google Cloud, Docker, CI/CD, Vercel I focus on clean code, fast shipping, and long-term maintainability. Most of my clients come back for multiple projects. Available for full-time contracts, ongoing retainers, or fixed-price projects. I respond within hours and deliver on deadline. Top Rated Plus | 5.0 stars | 34+ projects | 5,600+ hours