Hire the Best Push Notifications Freelancers
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✨ I help startups and growing businesses turn ideas into scalable mobile apps and AI-powered mobile apps using Flutter, Swift and Kotlin with solid architecture, high performance and clean, user-focused design. With 6.5+ years of experience, I take products from idea → architecture → development → production → scale, ensuring they are built right from day one. I build apps that don't break in production when real users arrive. 💎 Results that prove my expertise: • Developed & Scaled a Matrimonial App to 100k+ users with stable performance. • Took over a buggy client app built by another team, implemented fixes and enhancements, and successfully launched it to production. • Built AI-powered apps using LLMs, OpenAI API and automation workflows. • Developed SaaS apps with real-time systems and subscription models. 💻 My Services: • Develop scalable cross-platform and native mobile apps using Flutter, Swift and Kotlin. • Fix, optimize and scale existing mobile apps for better performance, stability and growth. • Integrate AI features, including LLMs and automation. • Implement subscription systems for iOS and Android using In-App Purchases (Apple IAP) and Google Play Billing with secure validation and management. • Design clean, scalable architectures with secure APIs and payment gateway integrations like Stripe. • Guaranteed App Store & Play Store deployment and compliance. 🤝 Clients choose me because: I approach projects like a Lead Engineer, not just a freelancer. My focus is on scalability, maintainability, performance and long-term product stability, so your app can grow without needing a rebuild six months later. 📩 If you’re building a serious product, send me a message with your idea or roadmap, I’ll help you define the architecture and execution plan. Let's build something that actually moves your metrics. ---------------------Additional Details------------------------- 🌐 Industries i've already worked in: ✅ Marketplace. ✅ E-commerce. ✅ Travel and Hospitality. ✅ ChatGPT integration. ✅ Social media (Instagram-like app, communities). ✅ Sport (fitness app). ✅ Healthcare (online doctor consultation, Telemedicine app, meal planner). ✅ Lifestyle (Matrimonial app). ✅ Business (Restaurant table management app). ✅ Finance (fintech platforms, investment platforms, calculators). 🔒 Security & Compliance: AES-256, TLS, SSL Pinning ⚡️ Stack of Technologies I Use: ✅ Front End: Dart, SwiftUI, UIKit, Jetpack Compose. ✅ Back End: Dart, Kotlin, Swift, Node.js. ✅ Database & Data Architecture: Hive, Core Data, Realm, Room, Firebase, Supabase, MongoDB. ✅ Messaging & Real-Time: Push Notifications (FCM, APNs), In-App Notifications, WebSockets, Real-time Sync. ✅ API Integration: RESTful APIs, GraphQL, WebSockets, SOAP, OpenAPI, Third-party API Integrations. ✅ Payment: Stripe, In-App Subscription, In-App Purchase. ✅ AI Integration: OpenAI, Claude, Gemini, Mistral, Llama, AI chatbots, AI agents, recommendation systems, OCR and RAG-based systems. ✅ Version Control: Git, GitHub 🧩 Skills: Flutter | Dart | Swift | SwiftUI | Kotlin | Compose | Firebase | Supabase | Node.js | REST API | AI Integration | SaaS Apps | Clean Architecture | Payment Integration | Stripe | In-App Subscription | In-App Purchase | Push Notifications | Software Development | Front-End Development | Back-End Development | Mobile Development | AI Agent | Chatbot | AI App Development | SaaS Development | API Integration | AI Integration

🏆 Top Rated Freelancer – 100% Job Success Score ⭐ 7+ Years of Experience in Full Stack, Mobile & AI-Integrated Development 💻 Focused on building scalable, high performance web, mobile, and AI-powered applications Hi there! I am Muhammad Nadeem, a Senior Full Stack Developer specializing in Full Stack Development, Mobile App Development, and AI-powered systems. I build complete, production-ready applications using React.js, Next.js, Node.js, Express.js, and JavaScript, along with scalable databases like MongoDB, MySQL, and PostgreSQL. I also develop cross-platform mobile apps using React Native for both iOS and Android. My experience includes SaaS development, API integration, RESTful API & GraphQL development, backend architecture, authentication systems (JWT, Firebase Auth), and secure role-based admin dashboards. Beyond traditional development, I integrate AI Chatbot Development and OpenAI API solutions into web and mobile applications. This includes GPT-based assistants, AI workflow automation, smart user interaction systems, and AI-powered content features. I also manage cloud deployment using AWS, Vercel, and DigitalOcean with CI/CD pipelines for optimized production environments. With me, you are not hiring two people. You are getting one expert who can handle frontend, backend development, database architecture, mobile app development, cloud deployment, and AI integration seamlessly. ✦ What I Bring to Your Project Full Stack & Web Development • React.js & Next.js Applications (SSR, SSG) • Node.js & Express.js Backend Development • Laravel & PHP Applications • MongoDB, MySQL & PostgreSQL Database Design • RESTful API & GraphQL API Development • SaaS Platforms & Admin Dashboards • Payment Gateway Integration (Stripe, PayPal, Razorpay) Mobile App Development • React Native (iOS & Android) • Expo & CLI Development • Firebase Integration & Authentication • Push Notifications & API Connectivity • App Store & Play Store Deployment AI & Cloud Integration • AI Chatbot Development • OpenAI / GPT API Integration • AI Automation Workflows • AWS, Vercel & DigitalOcean Deployment ✦ Let’s Build Something Amazing Whether it’s a SaaS platform, mobile app, custom web application, AI chatbot system, or scalable backend API, I’ll help you build something modern, secure, and future ready. 📩 Invite me to your job, and let’s discuss your idea. I’ll provide technical suggestions to improve scalability, performance, and long-term maintainability.

🚀 Production-ready code, fast delivery, clean APIs, human UX, helpful docs. You need someone who will plan clearly, communicate daily, and ship without drama. I build web and mobile software that works the way your team works. Simple rule: value stays, noise goes. As a Full Stack Developer, I keep momentum and ship in small slices. ✅ What I build I deliver Web Development with a modern stack and a focus on uptime, speed, and maintainability. As a Full Stack Developer, I use Laravel with PHP where it fits best, and Node.js with React where real-time and component-driven UX matters. I also handle Mobile App Development with Flutter for Cross-platform Development when you want one codebase and polished apps for Android and iOS. API Development stays first-class: clean endpoints, versioning, auth, rate limits, and docs your team will actually read. ✅ AI that does the boring work I make AI Integration useful in the real world. That means Chatbot Development that reduces support tickets, AI Automation that moves data across tools, and AI-powered Applications that do real work, not demos. I wire up OpenAI GPT for content and reasoning flows, Claude API for long context and careful responses, Gemini API for multimodal tasks, and DeepSeek AI where speed/price balance matters. For Machine Learning Integration and Natural Language Processing, I pick the right model and keep prompts short so results stay stable and auditable. ✅ A quick picture Example: a booking platform using Laravel + PHP for the admin, Node.js for background work, a React dashboard, and Flutter apps for customers. API Development ties services together. AI Integration adds a help bot powered by OpenAI GPT, Claude API, Gemini API, and DeepSeek AI. ✅ Automation that talks to your stack Need workflows? I wire n8n and Make.com so your CRM, billing, support, and data warehouse stay in sync. Web Development tasks trigger API flows; Mobile App Development events sync across tools; AI features and chatbots add the “smart” layer without breaking what works today. Ready to move? Share your goals and a short wishlist, and I will suggest a clear path and a quick plan to reach a clean demo. Laravel, PHP, Node.js, React, Flutter, Mobile App Development, Full Stack Developer, Web Development, Cross-platform Development, API Development, AI Integration, OpenAI GPT, Claude API, Gemini API, DeepSeek AI, Chatbot Development, AI Automation, Machine Learning Integration, Natural Language Processing, AI-powered Applications

Hi, I'm Ghulam — a React Native + Expo developer building cross-platform mobile apps for iOS and Android since 2021. I help startups, agencies, and product teams ship production-ready apps — from MVP to App Store / Play Store launch — with clean code, scalable architecture, and reliable communication. ━━━━━━━━━━━━━━━━━━━━━━━━━━━ What I do best ━━━━━━━━━━━━━━━━━━━━━━━━━━━ → React Native (CLI + Expo) cross-platform development → iOS and Android publishing (App Store, Play Store, TestFlight, EAS) → Backend integration — NodeJS, Express, NestJS, REST, GraphQL → Authentication — Firebase, Supabase, JWT, OAuth, Apple and Google Sign In → Payments — Stripe, RevenueCat (Apple IAP), Google Pay → Push notifications, deep linking, real-time features (Socket IO) → AI integrations — OpenAI API, chatbots, smart automation → Performance optimization, bug fixing, legacy app rescue → Full-stack web — NextJS, React, ThreeJS, Tailwind, Supabase ━━━━━━━━━━━━━━━━━━━━━━━━━━━ Recent projects ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✓ Sol Hour — Real-time interactive DJ avatar platform with ThreeJS and React Three Fiber, Supabase auth, and Stripe payments (NextJS full-stack web) ✓ Fenzro — AI-powered business management mobile app with sales tracking, invoicing, and dashboard analytics (React Native + Expo) ✓ Movie Streaming App — Native iOS and Android with custom video player, offline downloads, and subscriptions (React Native) ✓ Full-Stack Marketplace App — Buyer and seller mobile app with in-app chat, payments, and reviews (React Native + NodeJS + MongoDB) ✓ E-Commerce Mobile App — Product catalog, cart, Stripe checkout, and order tracking (React Native + Firebase) ✓ Booking and Appointment App — Calendar integration, push notifications, and real-time scheduling (React Native + Express) ━━━━━━━━━━━━━━━━━━━━━━━━━━━ Why clients work with me ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⭐ 100% Job Success Score ⭐ 5 out of 5 ratings on every completed project ⭐ Daily updates and clean GitHub commits ⭐ Honest scoping — no over-promising ⭐ Available 30+ hours per week — fast response (under 4 hours) If you have an idea, a half-built app, or a production issue — send a message. I will review your project and tell you honestly if I am the right fit. ━━━━━━━━━━━━━━━━━━━━━━━━━━━ Keywords ━━━━━━━━━━━━━━━━━━━━━━━━━━━ React Native Developer | React Native Expo | iOS Developer | Android Developer | Mobile App Developer | Cross-Platform Developer | TypeScript | JavaScript | NodeJS | Express | MongoDB | Firebase | Supabase | Stripe | RevenueCat | OpenAI API | REST API | GraphQL | ThreeJS | React Three Fiber | NextJS | MVP Developer | Startup App Developer | App Store Deployment | Performance Optimization

I help startups and businesses build and launch Flutter apps for iOS and Android fast, with clean architecture and production-ready delivery. If you need an MVP, booking app, marketplace app, delivery app, or AI-enabled mobile product, I can take it from planning to App Store and Google Play launch. My work typically includes: • Flutter app development for iOS and Android • Firebase backend setup • REST API integration • Push notifications • Payments and subscriptions • Google Maps and location features • Admin panel and backend integration • App performance optimization • App Store / Play Store publishing support Public Upwork proof: • 100% Job Success • 30 completed jobs • live shipped products and verified client testimonials I’m a strong fit if you want: • fast MVP execution without messy code • clear communication and realistic timelines • a developer who can build, fix, optimize, and publish • long-term support after launch Recent product work includes travel apps, AI habit products, ride-hailing, radio streaming, fintech, and service platforms. If you already have scope, features, or designs ready, send them over and I’ll suggest the best build approach.

You have an 𝗮𝗽𝗽 𝗶𝗱𝗲𝗮 but do not know where to start, or an 𝗲𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝗮𝗽𝗽 that is not performing. Maybe it's slow. Maybe users drop off. Maybe you have worked with developers who disappeared mid-project or delivered something that looked nothing like what you asked for. 𝗧𝗵𝗮𝘁'𝘀 𝗲𝘅𝗮𝗰𝘁𝗹𝘆 𝘁𝗵𝗲 𝗽𝗿𝗼𝗯𝗹𝗲𝗺 𝗜 𝘀𝗼𝗹𝘃𝗲. I am a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 specializing in 𝗙𝗹𝘂𝘁𝘁𝗲𝗿, 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲, and 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 with 𝟰+ 𝘆𝗲𝗮𝗿𝘀 of experience and 𝟮𝟬+ 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗮𝗽𝗽𝘀 shipped to the 𝗶𝗢𝗦 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲 and 𝗚𝗼𝗼𝗴𝗹𝗲 𝗣𝗹𝗮𝘆 for 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀, 𝗲𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗯𝗿𝗮𝗻𝗱𝘀, and 𝗦𝗮𝗮𝗦 𝗰𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀 across the 𝗨𝗦, 𝗨𝗞, and 𝗘𝘂𝗿𝗼𝗽𝗲. My clients have seen results like a 𝗳𝗶𝗻𝘁𝗲𝗰𝗵 𝗮𝗽𝗽 crossing 𝟮𝟬,𝟬𝟬𝟬 𝗮𝗰𝘁𝗶𝘃𝗲 𝘂𝘀𝗲𝗿𝘀 in 𝟲𝟬 𝗱𝗮𝘆𝘀, an 𝗲𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗮𝗽𝗽 hitting 𝟰.𝟴 𝘀𝘁𝗮𝗿 𝗿𝗮𝘁𝗶𝗻𝗴 𝗼𝗻 𝘁𝗵𝗲 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲 at launch, and a SaaS client avoiding a 𝗳𝘂𝗹𝗹 𝗿𝗲𝗯𝘂𝗶𝗹𝗱 by catching the wrong architecture in week one. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿: • Complete iOS & Android apps, from wireframe to App Store launch • AI features built in from day one, not bolted on later • Fix, rescue, and scale existing apps • Clean and functional UI design, no separate designer needed 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀: 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺: Flutter, React Native (Expo & bare workflow) 𝗡𝗮𝘁𝗶𝘃𝗲 𝗶𝗢𝗦: Swift, SwiftUI, Xcode 𝗡𝗮𝘁𝗶𝘃𝗲 𝗔𝗻𝗱𝗿𝗼𝗶𝗱: Kotlin, Jetpack Compose 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: OpenAI API, Gemini, TensorFlow Lite, Core ML 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜𝘀: Node.js, Python, Firebase, Supabase, REST, GraphQL 𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀: Stripe, PayPal, iOS & Android in-app subscriptions 𝗠𝗮𝗽𝘀 & 𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻: Google Maps, MapBox, real-time GPS tracking 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲: WebSockets, Firebase Realtime DB, live chat & feeds 𝗗𝗲𝘃𝗢𝗽𝘀: Docker, CI/CD pipelines, GitHub Actions, Fastlane 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀: Mixpanel, Firebase Analytics, Crashlytics 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗛𝗮𝘃𝗲 𝗕𝘂𝗶𝗹𝘁 𝗙𝗼𝗿: Fintech & Payments | eCommerce & Marketplace | Health & Fitness EdTech & E-Learning | On-Demand & Delivery | SaaS Mobile Apps Social & Community | Real Estate & PropTech | Travel & Booking | Sports 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 𝗢𝘃𝗲𝗿 𝗢𝘁𝗵𝗲𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀: • 𝗔𝗜-𝗙𝗶𝗿𝘀𝘁 𝗕𝘂𝗶𝗹𝗱𝘀: I integrate AI features, chatbots, smart recommendations, voice interfaces, from the start. This is what 2026 users expect. Standard CRUD apps are not enough anymore. • 𝗙𝘂𝗹𝗹 𝗢𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽: I handle everything, wireframes, development, testing, and App Store submission. No handoffs. No gaps. No "that is not my part." • 𝗡𝗼 𝗦𝘂𝗿𝗽𝗿𝗶𝘀𝗲𝘀: After every sprint, I send you a short Loom video showing exactly what was built. You always know where your project stands. • 𝗖𝗹𝗲𝗮𝗻 𝗖𝗼𝗱𝗲: Well-structured, documented code. If you bring on an in-house developer later, they will not be lost. • 𝗗𝗲𝗮𝗱𝗹𝗶𝗻𝗲 𝗥𝗲𝘀𝗽𝗲𝗰𝘁: If a deadline needs to shift, I tell you 3 days early, not the day it is due. • 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝗶𝗰 𝗔𝗱𝘃𝗶𝗰𝗲: I help you pick the right stack before a single line is written. This alone has saved clients from full rebuilds that would have cost $𝟭𝟬,𝟬𝟬𝟬 or more. 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗨𝘀𝘂𝗮𝗹𝗹𝘆 𝗖𝗼𝗺𝗲 𝘁𝗼 𝗠𝗲 𝗪𝗵𝗲𝗻: • A previous developer left the project unfinished or disappeared • Their app is slow, crashing, or failing to scale • They need an MVP launched fast without sacrificing quality • They want to add AI features to an existing mobile app • They need a reliable developer who communicates clearly and delivers 𝗦𝗲𝗻𝗱 𝗺𝗲 𝗮 𝟮-𝟯 𝗹𝗶𝗻𝗲 𝘀𝘂𝗺𝗺𝗮𝗿𝘆 𝗼𝗳 𝘆𝗼𝘂𝗿 𝗮𝗽𝗽 𝗶𝗱𝗲𝗮 𝗼𝗿 𝗰𝘂𝗿𝗿𝗲𝗻𝘁 𝗽𝗿𝗼𝗯𝗹𝗲𝗺. I will reply within 2 hours with a tech stack recommendation, rough timeline, cost estimate, and exactly how to avoid the most common and costly mistakes. 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝗻𝗼𝘄. 𝗟𝗲𝘁'𝘀 𝗯𝘂𝗶𝗹𝗱 𝘀𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝘁𝗵𝗮𝘁 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝘄𝗼𝗿𝗸𝘀.