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 ⚡ AI Vibe Coding & Rapid MVP Development • Lovable Development • Bolt.new Applications • Cursor AI Development • Replit Agent • Windsurf AI • Claude Code • GitHub Copilot • AI-Assisted Full Stack Development • AI-Generated MVPs • Rapid Prototyping • Feature Iteration & Optimization • Production Hardening of AI-Generated Code • AI Code Review & Refactoring • Supabase + Lovable Development 📡 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 | Lovable | Bolt.new | Cursor AI | Claude Code | Replit Agent | Windsurf | GitHub Copilot | AI Vibe Coding | Vibe Coding | AI-Assisted Development | AI First Development | Rapid MVP 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

I am an Android Developer with over 6 years of experience, having developed and published several applications available on the Play Store. In addition, I have approximately 7 years of hands-on experience with Arduino and ESP microcontrollers, allowing me to guide, debug, and contribute to electronic projects effectively. Beyond mobile development, I have 3 years of experience working with Django and some proficiency in PyQt for desktop applications. As a full-time freelancer, I am committed to delivering high-quality projects efficiently. If you're looking for someone who can bring your ideas to life or troubleshoot your existing code, feel free to reach out. Look forward to collaborate with you!

I build fast, production-ready web apps for startups and founders — from MVP to scale — specializing in full-stack SaaS products powered by Next.js, React, Node.js, TypeScript, Laravel and the OpenAI API. Track record: $50K+ earned • 23+ projects delivered • 1,800+ hours on Upwork • Long-term repeat clients across healthcare, fintech, SaaS, and edtech. What I build: 🔹 Full-stack SaaS applications & AI chat interfaces (OpenAI/ChatGPT integration) 🔹 Customer portals & admin dashboards with custom backend logic 🔹 Subscription platforms with Stripe payments & billing logic 🔹 Authentication, user management & database architecture (Supabase/Firebase) 🔹 REST APIs & backend automation for internal business tools 🔹 High-converting, SEO-optimized landing pages Tech stack: Frontend — Next.js (App Router), React, TypeScript, Tailwind CSS, shadcn/ui Backend — Node.js, PHP, Laravel, REST APIs, Firebase, Supabase Other — OpenAI API, Stripe, Vercel, GitHub Why clients keep coming back: ✔️ End-to-end ownership — frontend, backend, database, and deployment ✔️ Pixel-perfect Figma-to-code implementation ✔️ Clean, scalable, maintainable code — no shortcuts, no tech debt ✔️ Fast, clear communication (usually within a few hours) ✔️ Mobile-first, performance-tuned, secure builds ✔️ Reliable post-launch support I work best with founders who want to build it right the first time — one developer who can take a product from database schema to deployed frontend, not patch things together and pay for it later. 📩 Send me your project details (even a rough idea or Figma link) and I'll reply with quick thoughts on approach, timeline, and next steps.

🏆 Flutter Developer | Mobile App Developer | Full Stack Developer ⭐️⭐️⭐️⭐️⭐️ "Maksym is a rare Flutter Developer who thinks like a Full Stack Developer." — Client, GreenTech 🔥 ACHIEVEMENTS AS A FLUTTER DEVELOPER, MOBILE APP DEVELOPER & FULL STACK DEVELOPER ✔️ 8+ years and 40+ shipped products as a Flutter Developer, Mobile App Developer, and Full Stack Developer across iOS, Android, and web. ✔️ As a Flutter Developer and FlutterFlow specialist, I built a solar energy app with Firebase and real-time IoT data — result: +45% active monthly users. ✔️ As a Mobile App Developer for a gov telemedicine platform, I shipped video consultations in Flutter Firebase — result: +40% remote consultations, –30% in-person visits. ✔️ As a Full Stack Developer, I paired Flutter Dart mobile clients with React and Laravel backends, cutting release cycles by 30%. ✔️ 10,000+ Upwork hours and 100% Job Success as a Flutter Developer, Full Stack Developer, and Mobile App Developer. ✔️ 1.2★ to 4.9★ rating recovery as a Mobile App Developer via Crashlytics-driven fixes on a high-load mobility app. ✔️ As a full stack developer react, I connected Flutter mobile app development to Node.js and MongoDB APIs, lifting checkout conversion by 22%. ✔️ 12+ FlutterFlow / Bubble no-code builds delivered as a Flutter Developer, alongside custom Flutter Dart code for teams needing full control. ✔️ As a Mobile App Developer and senior mobile app developer, I mentor small teams on Flutter Firebase architecture and App Store/Play Store release. ✔️ 20+ mobile app design and mobile app development projects, from mobile ui ux designer wireframes to production Flutter Dart builds. 🚀 WHERE I DELIVER AS A FLUTTER DEVELOPER, MOBILE APP DEVELOPER & FULL STACK DEVELOPER ✔️ Flutter Developer work: FlutterFlow, Flutter Firebase, Flutter Dart, Flutter mobile app developer builds, flutter app developer sprints, flutter laravel backend pairings, and flutter full stack developer integrations. ✔️ Mobile App Developer work: mobile application developer builds spanning mobile app design, mobile app marketing funnels, mobile game developer prototypes, mobile app tester QA passes, and mobile app builder no-code (Bubble, Adalo, Glide) MVPs. ✔️ Full Stack Developer work: python full stack developer APIs, wordpress full stack sites, .net full stack integrations, full stack developer react dashboards, javascript fullstack builds, fullstack web developer and senior fullstack developer architecture — full-stack development end to end. ✔️ As a web developer and react developer, I build react native and react native developer apps sharing logic with Flutter mobile app development, so clients get a Mobile App Developer and Full Stack Developer under one roof. 📌 MORE WAYS I HELP CLIENTS ✔️ As a senior mobile app developer and Full Stack Developer, I run wordpress developer projects on a clean, SEO-first structure — real seo wins, not guesswork. ✔️ As a react developer and react native developer, I extend Flutter mobile app development with flutter app developer sprints, flutter laravel integrations, and flutter mobile app developer consulting for teams that already picked their stack. ✔️ As a full-stack web developer and blockchain developer, I connect smart-contract front ends to mobile app marketing dashboards, mobile application developer backends, and mobile ui ux designer flows. ✔️ From flutter full stack developer builds to python full stack developer APIs, wordpress full stack sites, and .net full stack integrations — plus javascript fullstack, fullstack web developer, and senior fullstack developer work, with full-stack development delivered end to end. 🏭 INDUSTRIES: GreenTech · Public Healthcare · FinTech · Mobility · E-commerce · EdTech ⚙️ TECH STACK IN ACTION ✔️ 40+ cross-platform builds in Dart and Flutter across Smartphone, Android App Development, and iOS Development projects — plus native Android and Swift / Apple Xcode when a client needs a fully native layer. ✔️ Full Stack Developer web layer: Node.js, PHP, and JavaScript APIs served through HTML, CSS, and Angular front ends, wired to the same Flutter mobile app development codebase. ✔️ Engineering discipline: Git-based workflows, Agile Software Development sprints, and Software Architecture & Design reviews keep Mobile App Developer and Full Stack Developer builds — mobile and Desktop Application alike — shippable on schedule. ✔️ Cloud and data layer: Google Cloud Platform hosting, Firebase Cloud Firestore models, secure User Authentication, and REST API integrations power the backend for every Flutter Developer project. 💼 EVERY PROJECT INCLUDES As a Flutter Developer, Mobile App Developer, and Full Stack Developer, I own the build end-to-end — clean architecture, tested releases, clear handoff docs. 📩 Send me your app idea or codebase — I'll reply with a free technical breakdown as your next Flutter Developer, Mobile App Developer, or Full Stack Developer.

🚀 Need an AI Developer who can build AI Agents, Voice AI solutions, AI Chatbots, SaaS platforms, or Mobile Apps? I help startups, founders, and businesses transform ideas into production-ready AI products and scalable applications that drive real business results. As a Top Rated Plus on Upwork, I specialize in building AI-powered software, intelligent automation systems, and cross-platform mobile applications that help companies launch faster, reduce operational costs, and improve customer experiences. Whether you're building an AI startup, automating internal workflows, creating a customer-facing AI assistant, or developing your next SaaS platform, I can take your project from idea to launch. What I Can Build 🤖 AI Development AI Agents & Multi-Agent Systems AI Assistants & AI Employees AI Chatbots & Conversational AI Voice AI Applications AI Customer Support Systems AI Sales & Lead Generation Agents AI Workflow Automation AI Document Processing Retrieval-Augmented Generation (RAG) Custom LLM Applications 💬 Large Language Models OpenAI (GPT) Claude Gemini Llama Prompt Engineering AI Integrations & APIs 📱 Mobile App Development Flutter React Native Android iOS Firebase Supabase Offline-first Applications Real-time Applications 💻 SaaS & Web Applications Startup MVP Development SaaS Platforms Admin Dashboards CRM Systems ERP Solutions Custom Business Applications Backend Development REST APIs & GraphQL ⚙️ Automation & AI Workflows n8n Automation Zapier Makedotcom Business Process Automation AI Workflow Design API Integrations Third-party Integrations ☁️ Backend & Cloud Node.js Python FastAPI Firebase Supabase PostgreSQL MongoDB AWS Docker Industries I've Worked With ✔ Healthcare ✔ Logistics & Supply Chain ✔ Real Estate ✔ Education ✔ Fitness & Wellness ✔ E-commerce ✔ Finance ✔ Field Service Management ✔ AI SaaS Startups How I Help Clients I don't just write code—I solve business problems. I help clients: ✅ Launch MVPs quickly to validate ideas ✅ Build scalable AI-powered products ✅ Automate repetitive business processes ✅ Integrate AI into existing software ✅ Improve customer engagement using AI ✅ Develop secure and scalable SaaS platforms ✅ Build production-ready mobile applications From product strategy to deployment, I work closely with clients to ensure every solution is built for long-term growth, maintainability, and business impact. Why Clients Choose Me ⭐ Top Rated Plus ⭐ Strong expertise in AI, Mobile Apps & SaaS Development ⭐ Clear communication and transparent project management ⭐ Clean, scalable, production-ready code ⭐ Fast turnaround without compromising quality ⭐ Long-term technical partner for startups and growing businesses ⭐ End-to-end product development from concept to launch Recent Project Experience • AI Agents for business automation • Voice AI platforms with real-time conversations • AI-powered customer support systems • AI workflow automation solutions • SaaS platforms for startups • Logistics & operations management software • Healthcare and fitness applications • CRM & ERP solutions • Flutter mobile applications for iOS & Android My Technology Stack Mobile: Flutter, React Native, Android, iOS AI: GPT-powered AI, Leading Large Language Models (LLMs), Llama, LangChain, RA-G, Prompt Engineering Backend: Node.js, Python, FastAPI Database: Firebase, Supabase, PostgreSQL, MongoDB Cloud: AWS, Docker Automation: n8n, Zapier, Make Automation Let's Build Something Great If you're looking for an experienced AI Developer who can build AI Agents, Voice AI applications, SaaS platforms, or high-quality Flutter mobile apps, I'd love to help. Send me a message with your idea, and I'll recommend the best technical approach, outline a scalable solution, and help turn your vision into a reliable, production-ready product.

I build Flutter apps that ship — not prototypes that stall at 80% done. Over the past 4+ years I've taken 30+ mobile products from a blank repo to the App Store and Play Store, including AI-powered apps, FinTech tools, and real-time platforms used by paying customers today. If you need a developer who can own the full build — architecture, AI integration, backend, deployment — you're in the right profile. What I actually solve for clients: * You have an idea or a stalled project and need someone who can architect it correctly the first time, not patch it later * You want AI features (OpenAI, Gemini, Claude, custom LLM workflows) built into a real product, not a demo * You need Firebase set up properly — Auth, Firestore, Cloud Functions, FCM — so it scales past your first 1,000 users * You want both Flutter and native iOS (SwiftUI) capability under one contractor instead of coordinating two teams Recent work includes: * AI-powered health and fitness apps with OpenAI-driven personalization * Real-time chat and social apps built on Firebase + Socket io * FinTech apps with secure payment gateway integration * NFC-enabled apps for access control and card reading/writing * Alarm and background-service apps requiring native platform depth beyond standard Flutter plugins How I work: * Clean Architecture, testable code, and documentation — so your next developer (or I, six months later) isn't guessing * Direct, frequent communication — no disappearing between milestones * I scope realistically upfront; I don't pad timelines to inflate hours, and I don't lowball to win the job then stall Tech stack: Flutter, Dart, FlutterFlow, SwiftUI, Firebase (Auth, Firestore, Cloud Functions, FCM), REST APIs, OpenAI/Gemini/Claude API integration, Provider, Riverpod, Bloc, GetX, Socket io, Google Maps, NFC, payment gateways. If your project needs someone who can go from Figma file to App Store approval without handing off pieces to three other freelancers. Send me a message with what you're building and I'll tell you honestly whether I'm the right fit.

I help startups and businesses build scalable mobile and web applications with modern technologies like Flutter, Next.js, Firebase, and AI-powered integrations. With 9+ years of experience in software development, I specialize in building high-performance digital products that are fast, user-friendly, and built for long-term scalability. My background started in native Android development (Kotlin/Java), and over the years I expanded into cross-platform mobile development, modern web applications, and AI-integrated solutions. I work with startups, founders, and growing businesses to turn ideas into reliable digital products, from MVP development to feature enhancements and long-term product support. What I Can Help You Build: • Flutter Mobile Applications • Android Apps (Kotlin/Java) • Cross-Platform Mobile Apps • Next.js & React Web Applications • SaaS Platforms & Admin Dashboards • AI Chatbot Integration • OpenAI / ChatGPT API Integration • AI-Powered Features & Automation • Firebase Backend & Authentication • REST API Integration • Google Maps & Mapbox Integration • Real-Time Features & Cloud Connectivity Technical Expertise: • Flutter • Android (Kotlin & Java) • React Native • Next.js • React.js • Firebase • SQLite • Retrofit2 / OKHttp • Google Maps / Mapbox • MVC / MVVM / BLoC / Cubit • Azure Cloud Services • AI API Integrations Why Clients Work With Me: ✔ Clean, scalable, and maintainable code ✔ Strong communication and project transparency ✔ Focus on performance and user experience ✔ Solution-oriented development approach ✔ Reliable support throughout the project lifecycle I focus on building applications that are not only technically strong but also aligned with real business goals, whether it’s launching an MVP, improving an existing product, integrating AI capabilities, or scaling a growing platform. If you're looking for a dependable developer to help build modern mobile, web, or AI-powered applications, feel free to reach out. I’d be happy to discuss your project.

Are you looking for a highly skilled developer with a track record of delivering top-notch mobile and web solutions? 🚀 Look no further! With over 7 years of expertise in mobile application development and 3 years in website development, I hold a Bachelor's degree in Computer Science from FAST-NUCES, Lahore. I specialize in creating intuitive, high-performance apps and websites that not only meet but exceed client expectations. 🌟 Client satisfaction has always been my top priority, and my experience working with diverse industries, including robotics 🤖, medical, and retail, ensures that I bring a broad and deep understanding of development to every project. I’m proud to say that all my clients have consistently been impressed with the solutions I deliver, from full-scale apps to MVPs and prototypes. Whether it’s building a solution from scratch or fixing ill-written code, I’m dedicated to delivering excellence. 💯 Here’s a quick look at my technical expertise: ✔️ Mobile Development: Flutter, Swift, Kotlin 📱 ✔️ Web Development: Vue.js, Node.js 💻 ✔️ Cloud Platforms: Google Cloud, AWS, Firebase ☁️ ✔️ Third-Party API Integrations: Stripe, Google Sign-In, Calendly, Maps, and more 🔗 ✔️ Development Tools: Android Studio, Xcode, VS Code, Git, GitHub 🔧 ✔️ CI/CD Automation: Configure and streamline deployments ⚙️ ✔️ App Store Management: Google Play & App Store publishing 📈 ✔️ Prototyping: Efficient MVP development and optimization 🛠️ What I can do for you: Build cross-platform mobile apps (iOS and Android) from scratch and publish them 📲 Create optimized websites with engaging interfaces 🌐 Develop new features or optimize your existing applications and websites 🔄 Fix and debug apps or websites with performance issues 🐞 Set up continuous integration/continuous deployment (CI/CD) for seamless releases 🚦 Let’s collaborate to bring your vision to life with cutting-edge solutions that leave a lasting impact. I'm excited to help you take your project to the next level! 💡

🚀 I help founders, agencies, and SMEs ship web and mobile products fast, from MVP to production, without messy code or communication headaches. I am a Full Stack Product Engineer focused on delivery, clarity, and maintainability. If you need someone who can turn a rough idea into a working release, improve an existing product, or move faster with reliable execution, I can help. ✅ What I build • MVPs and SaaS apps with a clean launch plan and predictable milestones • Modern, responsive frontends with React and Next.js • React Native apps including deep linking, push notifications, and smooth UX • Secure APIs with Node.js using Express or NestJS • Databases and data layers with PostgreSQL, Prisma, Firebase, MongoDB, or MySQL • Real time features with WebSockets and performance improvements with Redis caching 🤖 AI, when it makes sense • OpenAI style integrations for chat, summarization, extraction, and assistants • AI workflows for support, internal operations, and automation • Practical AI features that fit the product UX and include safety guardrails 🧠 How I work Clear scope, clear timelines, weekly updates, and visible progress. I write readable code, keep things organized, and make handoff easy for any developer who joins later. 📈 Proof of delivery I shipped an MVP in 6 weeks that grew to 5,000 plus users and started generating revenue. I have also worked on products with 25,000 plus active users, shipping features fast and keeping releases stable. Additionally, I have partnered with agencies to integrate AI into client products and workflows, supporting client communication and delivery to ensure projects stay on track and meet real business goals. 📩 Send your brief and timeline, and I will reply with a short plan and a clear quote.

I take apps from zero to the store . including one with [1M+] downloads. I’ve delivered 50+ Android - iOS apps that users love Have a half-built app, an AI-generated prototype, or a stalled MVP? I take messy or unfinished projects and ship them clean 👨‍💻 to turn your app idea into reality? Let’s chat 🔧 Core Competencies & Technologies Flutter & Dart: Building fast, responsive, and maintainable cross-platform apps Third-Party SDKs & Services: Google Firebase (Auth, Firestore, Cloud Functions, Messaging), Facebook Login, PayPal, Stripe, AdMob, Parse Server, etc. Maps & Location: Google Maps integration, geolocation, real-time tracking Payment Gateways: Seamless integration with popular processors (PayPal, Stripe, Razorpay, etc.) Backend & APIs: RESTful API integration, Node.js/Express, Firebase Cloud Functions State Management: Provider, Bloc/Cubit, Riverpod, GetX—tailored to your project’s complexity Security & Performance: Secure authentication flows, data encryption, code obfuscation, and performance profiling for smooth user experiences 🚀 What I Offer Full-Cycle App Development • Concept validation, UI/UX prototyping, and architecture design • Frontend implementation (Android & iOS) with customizable themes and responsive layouts • Backend setup: Firebase (Auth, Firestore, Cloud Functions), custom Node.js servers, Stripe/PayPal configuration • App Store & Play Store submission, maintenance, and ongoing support Responsive & Adaptive Design • Pixel-perfect UIs optimized for phones, tablets, and foldables • Dynamic layouts to handle multiple screen sizes, orientations, and OS versions Feature-Rich, Niche Apps • E-commerce & Marketplace: Stores, carts, checkout flows, inventory management, push notifications, ratings & reviews • On-Demand Delivery & Logistics: Real-time driver tracking, order management, in-app chat, route optimization (food, grocery, cylinder delivery) • Social & Communication: In-app calling, messaging, group chats, contact syncing • Content & Education: Quiz apps, e-learning platforms, interactive tutorials • Health & Fitness: Workout tracking, nutrition logging, progress charts, push notifications • Travel & Booking: Travel agency apps, booking engines, itinerary planning, map integrations • Utility & Productivity: Barcode/QR scanner, expense tracker, inventory scanner, API integrations Firebase & Backend Support • Real-time databases (Firestore), authentication (Email/Phone/Social), cloud storage, serverless functions • Push notifications (FCM), analytics, crash reporting, A/B testing • Secure user management, role-based access control, data modeling Website → App Conversions • Transform existing web portals, dashboards, or PWAs into native Flutter apps • Maintain brand consistency with reusable UI components and shared codebases Performance Optimization & Security • Code profiling, lazy loading, widget tree optimization, and memory management • SSL pinning, secure storage (Keychain/Keystore), OAuth 2.0/JWT implementation, data encryption