🏆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

💼 Senior Full-Stack Developer | 10+ Years of Experience | React Native | Flutter | Swift/Kotlin | NodeJS | VueJs | NestJS | SwiftUI | JetCompose | Firebase | Supabase | Mobile Apps | BLE | GPS | Maps | Scalable Systems | Mobile App Development | AI Mobile App Development | Flutter App Development | React Native App Development | iOS & Android App Development | Full Stack Mobile App Development | Kotlin | Swift | SwitUI | JetCompose | Firebase | REST APIs I am a Senior Full-Stack Developer with 10 + years of experience building high-quality, scalable, and pixel-perfect applications using React Native, Flutter, Swift, Kotlin, NodeJS, Express, NestJS, React, and Vue.js. -- specialize in cross-platform mobile apps, native iOS/Android apps, backend APIs, BLE integrations, real-time systems, mapping, GPS, IoT, and end-to-end product development. If you need a fast, reliable, and experienced developer who can take your idea to production-level quality, I can help. Let’s bring your app idea to life with AI-driven innovation, seamless UX/UI design, and robust scalable architecture. Senior Mobile App Development | Web Development | iOS Android | Flutter RN | React Native | SDK Web dev | Kotlin | Swift | SwiftUI | JetCompose ⭐ Why Clients Hire Me⭐ ✔ 10+ years of experience ✔ End-to-end process: Idea → MVP → Launch → Scaling ✔ Clean, maintainable code (SOLID, MVVM, best practices) ✔ Expertise in AI integrations for smarter user experiences ✔ Full transparency, agile workflow, and long-term partnership ✔ Flexible engagement: fixed-price or hourly ✔️ Fast and scalable delivery ✔️ Clear communication & fluent English ✔️ Clean, well-documented code ✔️ Budget-friendly without sacrificing quality ✔️ Self-managed and deadline-driven ✔ Pixel-perfect UI from Figma ✔ Bug-free, scalable, clean code architecture ✔ Expertise in native (Swift/Kotlin) + cross-platform (React Native/Flutter) ✔ Strong backend experience with Node.js & NestJS ✔ API design, integrations & automation ✔ Performance optimization & code refactoring ✔ OTA updates, CI/CD, deployment (App Store & Play Store) 🛠️ 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 I Work With 🚀 Mobile App Development - React Native, Expo, React Navigation - Flutter, Dart - Swift, SwiftUI, UIKit - Kotlin, Jetpack Compose 🚀 Backend & Full-Stack - Node.js, Express.js, NestJS - MongoDB, Firestore - Firebase Authentication / Firestore / FCM - REST APIs, Realtime DB, Cloud Functions - CI/CD pipelines (Fastlane, GitHub Actions) 🚀 Advanced Integrations - Google Maps, GPS tracking, Geofencing - Bluetooth & BLE (IoT apps) - Payment gateway integration - WebSockets & real-time messaging - Push notifications - Deep linking - Third-party API integration - APIs: REST, GraphQL - AI Tools: OpenAI (GPT), TensorFlow, Computer Vision, Google Gemini, Deepseek 🧩 Industries & Projects I Have Built I have successfully delivered apps in multiple domains: 🎟 Event & Ticket Booking Apps 🍔 Food Delivery & On-Demand Apps 🚖 Taxi Booking & Ride Sharing Apps 🏏⚽ Sports Apps (Cricket & Football) 💇‍♀️ Beauty Service Apps 💬 Real-Time Chat & Video Calling & Social Apps 💘 Dating Applications 🎮 2D Games 📍 GPS & Location Tracking Systems 📡 IoT & BLE-based Apps 🎁 Loyalty Points & Rewards Apps & Coupon Apps 📱 MVP App Development for Startups 💪 Health, Fitness & Meditation Apps ✈️ Travel & Ticket Booking Apps 🗂️ Productivity & Task Management Apps My experience helps me understand both product and technical requirements, ensuring smooth delivery and long-term maintainability. ⭐ Let’s Build Something Great If you need a senior, reliable, and long-term developer who can ship high-quality products, feel free to message me. I’m available for new projects, long-term cooperation, or part-time support. 📞 Schedule a free consultation — click Invite or Message to get started. Thank you, Avtar Singh Mobile App Development, Flutter App Development, Cross-Platform Mobile App Development, Hybrid App Development, Mobile App Design, Android App Development, iOS App Development, Real Estate App Development, Food Delivery App Development, Dating App Development, AI Mobile App Development, Full Stack Mobile App Development, Mobile App Consultation, Mobile App Development Specialist, Native (iOS & Android) Developer, AI Mobile App Expert, Full Stack Developer

Senior AI, Full-Stack & Mobile Application Architect | AI Agents, SaaS & Scalable Product Development I help startups, SaaS companies, and enterprises build intelligent software products that automate operations, accelerate growth, and create competitive advantages. With 10+ years of software engineering experience and deep expertise in Artificial Intelligence, Generative AI, Full-Stack Development, Mobile Applications, and Cloud Infrastructure, I specialize in transforming complex ideas into scalable, production-ready solutions. From AI-powered SaaS platforms and autonomous agent systems to mobile applications and enterprise automation, I bring both technical execution and product thinking to every engagement. AI Systems, Agents & Automation I design and build production-grade AI solutions that go beyond simple chatbot integrations. Core Expertise * AI Agents & Multi-Agent Systems * Agentic Workflows & Autonomous Automation * Generative AI Applications * Retrieval-Augmented Generation (RAG) * Knowledge Bases & AI Assistants * Prompt Engineering & Optimization * AI Voice Agents & Conversational Systems * Document Processing & OCR Solutions * AI-Powered SaaS Products * Workflow Automation & Business Process Optimization AI Technologies OpenAI, Claude, Gemini, Grok, DeepSeek, LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, MCP Integrations, Vapi, ElevenLabs, Synthflow Automation Platforms n8n, Make, Zapier, Pipedream, CRM Automation, API Integrations, Workflow Orchestration Mobile Application Development I build high-performance mobile applications for startups, growing businesses, and enterprise organizations. Technologies * React Native * Flutter * Swift & SwiftUI * Kotlin * Java Experience Includes * AI-Powered Mobile Applications * Real-Time Communication Apps * GPS & Location-Based Services * Push Notifications * Offline-First Applications * Subscription & Payment Systems * Health & Fitness Platforms * E-Commerce Applications * On-Demand Marketplaces * Social & Community Platforms Full-Stack SaaS & Web Development From MVP development to enterprise-scale platforms. Frontend React, Next.js, Angular, TypeScript, JavaScript, Tailwind CSS, ShadCN UI, Material UI Backend Node.js, Express, NestJS, Python, FastAPI, Django, Flask APIs & Architecture REST APIs, GraphQL, WebSockets, Microservices, Serverless Applications Databases PostgreSQL, MongoDB, MySQL, Redis, Firebase, Supabase Cloud, DevOps & Infrastructure Building secure, scalable, and maintainable systems designed for long-term growth. Cloud Platforms AWS, Google Cloud, Azure, Firebase, DigitalOcean DevOps Docker, Kubernetes, CI/CD Pipelines, GitHub Actions, GitLab CI, Jenkins Infrastructure Linux, Nginx, Load Balancing, Auto Scaling, Monitoring & Logging, Infrastructure Automation Machine Learning & Emerging Technologies Artificial Intelligence & Machine Learning * Predictive Analytics * Recommendation Systems * Computer Vision * Natural Language Processing * TensorFlow * PyTorch * Scikit-Learn Blockchain & Web3 * Smart Contracts * Solidity Development * Ethereum & Solana Integrations * Wallet Integrations * NFT Platforms * DeFi Applications Industries Served Healthcare, FinTech, Real Estate, E-Commerce, Education, Logistics, Hospitality, Fitness, Marketplaces, AI Startups, SaaS Platforms Why Clients Work With Me * 10+ Years of Software Engineering Experience * AI-First Product Development Approach * Strong Architecture & System Design Expertise * Experience Scaling Products from MVP to Production * Clean, Maintainable & Scalable Code * Clear Communication & Reliable Delivery * Long-Term Technical Partnership Mindset I don't just build software. I help businesses leverage technology, AI, and automation to create measurable business outcomes. Whether you're launching a new product, scaling an existing platform, or integrating AI into your operations, I can help you design, build, and deliver a solution that is reliable, scalable, and built for growth.

I help ambitious founders and scale-ups launch high-performance mobile products by delivering scalable Mobile App Development that reduces technical debt by 40% and cuts time-to-market by up to 3 months. If you are looking for a seasoned React Native expert to bridge the gap between complex business requirements and a seamless user experience, you have found the right iOS Android Developer. In today’s digital-first economy, a mobile app is your most significant customer touchpoint. It needs to be fast, stable, and intuitive. I have spent years refining my craft in Mobile App Development, focusing on building robust, cross-platform solutions that perform under pressure. Whether you are building an MVP or scaling an existing ecosystem, my goal is to ensure your product survives the challenges of growth while staying ahead of the competition. When I approach Mobile App Development, I treat your project as if it were my own. I specialize in React Native because it allows for high-velocity iteration without sacrificing the native feel users demand. By leveraging TypeScript alongside Expo or bare React Native workflows, I create a Scalable architecture that ensures your app remains maintainable. I understand that your Requirements are unique from complex API integration with REST APIs and Supabase to real-time Firebase backends and intricate Push notifications. My role as your iOS Android Developer is to handle the heavy lifting so you can focus on strategy. Quality Mobile App Development is about the entire lifecycle. My process covers everything from initial UI/UX implementation and Performance optimization to the final App Store and Google Play submission. I have navigated review guidelines for Apple and Google hundreds of times, meaning I know exactly what is required to get your app live without the headaches of repeated rejections. Whether we are utilizing Swift or Kotlin for native performance hooks or working deep in the Node.js stack for custom backends, I ensure the transition from code to user device is frictionless. I am often looking for partners who value precision. My track record as an iOS Android Developer proves that I can handle the nuances of platforms. While my primary expertise lies in React Native, I bring a broad background in full stack developer methodologies, including Laravel, Python, and JavaScript. I have seen projects where a Flutter developer might have been a good fit, but I often demonstrate why a well-architected React Native solution offers better long-term flexibility for teams invested in the React ecosystem. My expertise extends to iOS Development, Android App Development, and integrating advanced Smartphone features like camera processing and biometric security. My workflow is built for modern teams. Independent work is my standard. I prioritize API integration and Performance optimization as a Must-have rather than an afterthought. If you have an existing codebase that needs an audit, I am ready to identify bottlenecks in your Scalable architecture and polish your UI/UX implementation to drive conversion. I believe Mobile App Development should be a collaborative, transparent journey. Beyond technical execution, I act as a product consultant. I help you decide which features are necessary for your v1, preventing "feature creep" that often delays launch. I have worked with everything from E commerce app development to complex SaaS solutions. If you are looking for an iOS Android Developer who understands that code is a business asset rather than a sunk cost, my approach will resonate with you. In the world of App Development, documentation is critical. When I hand over a project, you are not left with "black box" code. You receive a fully documented repository that any future Mobile app developer can navigate immediately. I use Firebase for rapid prototyping and Supabase when deep relational data structures are needed. I take great pride in the Mobile App experiences I create. I’ve seen projects move from sketches to thousands of daily users. I’m currently looking for innovative projects where my skills make a measurable difference. If you have an existing App Development hurdle, let’s solve it together. My communication is direct, and my focus is always on your outcome. From the first line of code to the final store approval, I am there to guide your project. I’m available for a 30–60 minute consultation to review your React Native or mobile app development needs. We can align on technical direction, delivery approach, and realistic timelines, after which I’ll outline a clear execution plan and cost structure. I’d be glad to collaborate. Let’s connect and turn your ideas into a top-tier mobile product.

A dedicated Software Developer with over twenty years of experience professionally deploying full-cycle solutions. My latest experience is developing complex, market-oriented Android applications, converting Swift code to Kotlin, and troubleshooting bugs in Android applications. With expertise in Android engineering, I will resolve your app development needs while achieving the results expected from a senior professional. I am reliable in working with minimal supervision and always conduct thorough research before reaching out with questions.

𝐌𝐨𝐬𝐭 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐝𝐨𝐧'𝐭 𝐧𝐞𝐞𝐝 𝐚𝐧 𝐚𝐩𝐩. 𝐓𝐡𝐞𝐲 𝐧𝐞𝐞𝐝 𝐦𝐨𝐫𝐞 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫𝐬 𝐭𝐨 𝐜𝐨𝐦𝐞 𝐛𝐚𝐜𝐤 𝐰𝐢𝐭𝐡𝐨𝐮𝐭 𝐜𝐡𝐚𝐬𝐢𝐧𝐠 𝐭𝐡𝐞𝐦. 𝐀𝐧 𝐚𝐩𝐩 𝐢𝐬 𝐣𝐮𝐬𝐭 𝐭𝐡𝐞 𝐭𝐨𝐨𝐥. 𝐈𝐟 𝐲𝐨𝐮 𝐰𝐚𝐧𝐭 𝐭𝐡𝐚𝐭 𝐟𝐢𝐱𝐞𝐝, 𝐥𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤. My name is 𝐇𝐚𝐬𝐬𝐚𝐧, and I'm 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐀𝐈 𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 𝟏𝟎+ years of experience building scalable AI powered applications, cross platform mobile apps, and backend systems for startups and enterprises. 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: Mobile Development: React Native, Flutter, Android, iOS, cross platform architecture, native integrations Backend & APIs: Python (FastAPI, Django, Flask), REST APIs, GraphQL, async programming, microservices Databases: PostgreSQL, MySQL, MongoDB, Redis (optimized schemas, scalable architecture) AI & Automation: LLMs, AI Agents, Voice AI, RAG, Prompt Engineering, AI workflows, intelligent automation Cloud & DevOps: AWS (Lambda, ECS, RDS, S3), GCP, Azure, Docker, Kubernetes, CI/CD automation 𝒀𝒐𝒖 𝒏𝒆𝒆𝒅 𝒂𝒑𝒑𝒍𝒊𝒄𝒂𝒕𝒊𝒐𝒏𝒔 𝒕𝒉𝒂𝒕 𝒂𝒓𝒆 𝒏𝒐𝒕 𝒋𝒖𝒔𝒕 𝒇𝒖𝒏𝒄𝒕𝒊𝒐𝒏𝒂𝒍 𝒃𝒖𝒕 𝒇𝒂𝒔𝒕, 𝒔𝒄𝒂𝒍𝒂𝒃𝒍𝒆, 𝒊𝒏𝒕𝒖𝒊𝒕𝒊𝒗𝒆, 𝒂𝒏𝒅 𝒑𝒓𝒐𝒅𝒖𝒄𝒕𝒊𝒐𝒏 𝒓𝒆𝒂𝒅𝒚 𝒇𝒓𝒐𝒎 𝒅𝒂𝒚 𝒐𝒏𝒆. 𝑺𝒐𝒍𝒖𝒕𝒊𝒐𝒏𝒔 𝒕𝒉𝒂𝒕 𝒈𝒓𝒐𝒘 𝒘𝒊𝒕𝒉 𝒚𝒐𝒖𝒓 𝒃𝒖𝒔𝒊𝒏𝒆𝒔𝒔 𝒊𝒏𝒔𝒕𝒆𝒂𝒅 𝒐𝒇 𝒓𝒆𝒒𝒖𝒊𝒓𝒊𝒏𝒈 𝒄𝒐𝒔𝒕𝒍𝒚 𝒓𝒆𝒃𝒖𝒊𝒍𝒅𝒔 𝒂𝒔 𝒚𝒐𝒖𝒓 𝒑𝒓𝒐𝒅𝒖𝒄𝒕 𝒆𝒗𝒐𝒍𝒗𝒆𝒔. 𝗔𝗜 𝗧𝗼𝗼𝗹𝘀 & 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: OpenAI API, GPT-4, LangChain, LangGraph, CrewAI, AutoGen, LlamaIndex, Hugging Face, Pinecone, Weaviate 𝗔𝗜 𝗖𝗮𝗽𝗮𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀: Large Language Models (LLMs), AI Agents, Voice Agents, Retrieval-Augmented Generation (RAG), Prompt Engineering, AI Chatbots, Computer Vision, Speech-to-Text, Text-to-Speech, Machine Learning, Generative AI 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝘁𝗶𝗲𝘀: Cross-platform mobile apps, AI-powered mobile applications, real-time communication, payment integrations, authentication, push notifications, location services, offline-first apps 𝗖𝗼𝗿𝗲 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝘁𝗶𝗲𝘀: AI-powered mobile applications, AI agents & automation, intelligent chatbots, SaaS applications, healthcare solutions, enterprise software, cloud-native applications 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿: ✔ AI-powered mobile applications ✔ Cross-platform apps with Flutter & React Native ✔ Scalable Python backend APIs ✔ AI agents, chatbots & workflow automation ✔ Cloud-native architectures (AWS / GCP / Azure) ✔ Secure, tested, production-ready applications ✔ MVP to enterprise-scale product development 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: AI Developer | Python Developer | Mobile App Developer | React Native | Flutter | FastAPI | Django | AI Agents | Voice AI | LLMs | OpenAI | LangChain | LangGraph | RAG | Generative AI | Chatbot Development | API Development | AWS | GCP | Azure | Docker | Kubernetes

👋 Hi there ! Looking for an elite Senior Android Developer to architect, secure, and scale powerful Android applications? With 20+ years in native Android development, I've worked across every major SDK, library, and device evolution - delivering fast, secure, and maintainable apps that perform under pressure. I’ve developed and launched 100+ Android apps with over 20 million total downloads and an average Google Play rating of 4.8+. My work has helped reduce crash rates by 70%, shrink APK sizes by up to 60%, and increase app startup speed by 45%. From startups to Fortune 500s, I’ve led 12+ dev teams in delivering mission-critical, high-ROI apps for fintech, defense, media, and beyond. 🏆 Why Work With Me for Android Development? ✔️ 20+ years of deep Android expertise with Java, Kotlin, Jetpack, and NDK ✔️ Delivered 100+ apps to production — 20M+ installs, 4.8+ average rating ✔️ Reduced load times by 45% through advanced performance profiling ✔️ Security-hardened apps using R8, ProGuard, LLVM, NDK, and SELinux policies ✔️ Scaled enterprise-grade apps with 99.99% uptime and real-time data sync ✔️ Played key roles in HIPAA-, FIPS-, and PCI-DSS-compliant mobile solutions 🚀 Core Android Development Services: 📌 Native Android App Development 🔹 Expert in Kotlin, Java, Android SDK, Jetpack Compose, View System 🔹 Responsive UIs across all screen sizes using ConstraintLayout, MotionLayout, Compose 🔹 Modular architecture (MVVM, Clean Architecture, MVI, VIPER) 🔹 Advanced state handling with LiveData, Coroutines, Flow, RxJava 🔹 CameraX, MediaCodec, ExoPlayer for media-heavy apps 🔹 Full device compatibility from Android 5.0+ through latest Android 14 📌 Android Security & Low-Level Optimization 🔹 Obfuscation, code hardening, and NDK-level protection 🔹 Reverse engineering mitigation via Frida/Root detection 🔹 Low-level optimization with ARM NEON, RenderScript, JNI, and custom kernels 🔹 SELinux customization for hardened AOSP builds 🔹 Hardware integration with sensors, gyroscopes, accelerometers, and BLE 📌 Multimedia, Games & Streaming 🔹 Real-time video/audio with FFmpeg, OpenGL, Vulkan, MediaCodec 🔹 Game engines: Unity3D, LibGDX, custom OpenGL renderers 🔹 Augmented Reality with ARCore, face tracking, 3D overlays 🔹 Advanced drawing tools, canvas-based animation, real-time filters 📌 Backend Integration & Architecture 🔹 REST, GraphQL, gRPC, WebSockets, Firebase, and custom socket protocols 🔹 Secure data sync, push notifications (FCM), and analytics (Firebase, Amplitude) 🔹 CI/CD pipelines using Jenkins, Bitrise, GitHub Actions, and custom Gradle workflows 🔹 Offline sync and caching strategies for resilient performance 📌 Scalable Architecture & Cross-Platform 🔹 Kotlin Multiplatform, Clean Architecture, modularized multi-feature apps 🔹 Deep understanding of Android App Bundles, Play Feature Delivery, and Instant Apps 🔹 Flutter experience for select cross-platform needs (Dart/Flutter SDK) 📌 Database & Networking 🔹 SQLite, Room, Realm, SQLDelight, Firebase Realtime/Firestore 🔹 JSON parsing with Gson, Moshi, org.json 🔹 API integration using Retrofit, OkHttp, Apollo Client 🌟 Results-Driven Impact ✅ 70% reduction in crash rates using advanced testing and monitoring ✅ 45% increase in startup speed through bytecode and resource optimization ✅ 60% smaller APK sizes using modularization and build optimization ✅ 50% faster delivery cycles using custom CI/CD pipelines ✅ 40–65% increase in user retention through performance and UX refinement ✅ 99.99% stability in live apps with over 1M monthly active users 💡 Focused On What Matters Most: ✔️ Clean, scalable, testable code that teams can maintain and extend ✔️ Proactive debugging and crash prevention strategies ✔️ User-first experiences built for performance and engagement ✔️ Modern, maintainable app structure that grows with your business ✔️ Full lifecycle support-from idea to Play Store launch and beyond 🚀 Ready to Build a High-Performance Android App? Let’s talk! Whether you're starting from scratch, rebuilding a legacy app, or scaling for millions-I'll help you build it right, fast, and with precision.

Top Rated AI SaaS & Mobile App Developer with 7+ years of experience building scalable SaaS platforms, AI-powered applications, backend systems, and mobile apps for startups and growing businesses. I mainly work with founders and businesses that need more than just a developer. A big part of my work involves improving existing systems, reducing technical debt, scaling backend architecture, integrating AI workflows, and helping teams ship features faster without compromising code quality. I specialize in: • AI SaaS Platforms • Web & Mobile App Development • AI Integrations & Automation • SaaS Dashboards & Admin Panels • Existing Codebase Optimization • AWS Serverless Applications • Real-Time Systems & WebSockets • MVP Development & Product Scaling Tech Stack: • Next.js, React.js, React Native • Node.js, NestJS, Express.js • Laravel, PHP • MongoDB, MySQL, PostgreSQL • AWS Lambda, API Gateway, S3 • REST APIs, WebSockets, OAuth, JWT • Stripe Subscription Systems • OpenAI, ChatGPT API, AI Workflows I’ve worked on SaaS dashboards, AI-assisted workflows, real-time systems, subscription platforms, chat systems, scalable backend architectures, and long-term production applications. I also regularly help clients with bug fixing, backend cleanup, authentication systems, API integrations, and performance optimization for existing applications. My focus is always on building stable, scalable, and maintainable systems that support long-term business growth instead of short-term quick fixes. I also use modern AI-assisted development tools like Cursor, Claude Code, and Copilot to improve development speed while keeping the architecture clean and production-ready. Why clients work with me: • Top Rated Upwork freelancer • Clean and scalable architecture • Fast communication and reliable delivery • Long-term technical support • Business-focused problem solving • Production-ready development approach If you’re building an AI-enabled SaaS platform, scalable backend system, web application, or mobile app, feel free to reach out.

Android Developer with 4+ years of experience building scalable mobile applications using Kotlin, Jetpack Compose, and modern Android architectures. I specialize in native Android development and Kotlin Multiplatform (KMP) solutions. What I bring to your project: - Native Android apps with Jetpack Compose, clean modular architecture, and offline-first patterns - Kotlin Multiplatform (KMP) development — shared business logic across Android & iOS using Ktor, SQLDelight, and Compose Multiplatform - Real-time features with WebSockets, GraphQL (Apollo Kotlin), and push notifications - CI/CD pipelines with GitHub Actions for automated builds and releases - Firebase integration (Crashlytics, Performance Monitoring) for production stability Recent highlights: - Led migration of a ride-hailing platform to KMP, managing a team of 4-6 mobile engineers - Architected a unified KMP SDK monorepo consumed across multiple production apps - Built an award-winning KMM sticker app that placed 2nd in the official Telegram Contest - 4 completed Upwork jobs with 5.0 rating and 100% client satisfaction Tech stack: Kotlin, Jetpack Compose, KMP, Ktor, Apollo Kotlin (GraphQL), SQLDelight, Room, Coroutines/Flow, Retrofit, Firebase, GitHub Actions, Gradle Let's discuss how I can help build or improve your Android application.

✅ 100% Job Success | Top Rated on Upwork 📊 49 Jobs | 5,025+ Hours Worked | 5★ Reviews 🏆 Certified by the Government of Mauritania (World Bank Projects) 👨‍💻 10+ Years’ Experience in Native Mobile App Development 🚀 Specialising in Automotive, BLE, IoT, HealthTech, Wearables 🤖 Fun Fact: I use AI tools like ChatGPT & Copilot to speed up development & debugging. 🔧 Core Tech Stack Android (Kotlin/Java): • Jetpack Compose, AndroidX, RxJava, Coroutines • Hilt, Dagger, Room, WorkManager • Material Design, ConstraintLayout, MotionLayout • Testing: Espresso, Robolectric, JUnit iOS (Swift/Obj-C): • SwiftUI, UIKit, Combine, CoreData, AVFoundation • MapKit, Vision, CoreML, SiriKit • Tools: Xcode, Instruments, Fastlane, SwiftLint • Testing: XCTest, XCUITest 🚘 Automotive & Multimedia • Android Auto & Apple CarPlay • MediaBrowserService, ExoPlayer, AVPlayer • Turn-by-turn SDKs: Google Maps, Mapbox, HERE • Voice Assistants: SiriKit, Google Assistant 📶 IoT, BLE & Connectivity • BLE, Classic Bluetooth, CoreBluetooth • Nearby Connections, WiFi Direct • MQTT, WebSockets, IoT Device Sync ☁️ Cloud, APIs & Backend • Firebase (Auth, Firestore, FCM, Remote Config) • Supabase, AWS Amplify, AppSync • REST APIs, GraphQL, Retrofit, Apollo • Local Storage: Room, CoreData, SQLite 💰 Monetization & Notifications • RevenueCat, StoreKit, Google Billing • FCM, APNs, PushKit, Local Notifications 🧱 Architecture & Clean Code • MVVM, Clean Architecture, Repository Pattern • SOLID Principles, Modular Codebases • DI Tools: Hilt, Dagger 🚀 Deployment & CI/CD • Play Console, App Store Connect • Fastlane, Bitrise, Firebase Distribution • GitHub Actions, Code Signing, TestFlight 🧠 Advanced Features • Geolocation, Geofencing, Biometric Auth, Background Services • Deep Linking, App Clips, Widgets, Spotlight, Siri Shortcuts • WatchOS, WearOS, HealthKit, Google Fit • Accessibility, RTL, Multilingual Support 🏅 Certifications Government of Mauritania – World Bank Projects Android Jetpack Masterclass – Udemy (Feb 2025) iOS SwiftUI Mastery – Simplilearn (Feb 2025) Agile Scrum Master – Simplilearn (Feb 2025) Firebase Essentials – Google Developer Training BLE & IoT Mobile Integration – Coursera 🤝 Why Clients Choose Me ✔️ 100% Job Success + Top Rated + Long-Term Clients ✔️ Native-first with Automotive, BLE & Wearable Expertise ✔️ Fast Delivery, Clean Code, Agile Collaboration ✔️ Sharp UI/UX & Robust Architecture for Scaling 📌 Let’s bring your mobile app idea to life — with speed, quality & clarity. #Kotlin #Swift #JetpackCompose #SwiftUI #AndroidAuto #CarPlay #BLE #Firebase #RevenueCat #WearOS #WatchOS #GraphQL #RoomDB #Fastlane #GitHubActions #MobileDev