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- 𝗡𝗲𝗲𝗱 𝗿𝗲𝗮𝗹 𝗶𝗢𝗦 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲, 𝗰𝗹𝗲𝗮𝗻 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲, 𝗮𝗻𝗱 𝗦𝘄𝗶𝗳𝘁𝗨𝗜 𝘁𝗵𝗮𝘁 𝗳𝗲𝗲𝗹𝘀 𝗮𝘀 𝗻𝗮𝘁𝗶𝘃𝗲 𝗮𝘀 𝗶𝘁 𝗴𝗲𝘁𝘀? 🧱📱 - 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗷𝗼𝗯 𝗽𝗼𝘀𝘁 - 𝗹𝗲𝘁’𝘀 𝗯𝘂𝗶𝗹𝗱 𝗶𝘁 𝗿𝗶𝗴𝗵𝘁. 👨🏻‍💻 🏆 𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: 𝐋𝐞𝐝 𝐔𝐈 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 𝐟𝐨𝐫 𝐚 𝐆𝐥𝐨𝐛𝐚𝐥 𝐒𝐭𝐫𝐞𝐚𝐦𝐢𝐧𝐠 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 (𝟭𝟬 𝗠+ 𝘂𝘀𝗲𝗿𝘀) • Drove 100 fps rendering of 20 K+ content tiles via custom layouts & zero off-screen rendering • Evangelized best-practice UI performance in public tech talks 𝟏𝟎× 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐁𝐨𝐨𝐬𝐭 𝐟𝐨𝐫 𝐚 𝐇𝐢𝐠𝐡-𝐕𝐨𝐥𝐮𝐦𝐞 𝐁𝟐𝐁 𝐎𝐫𝐝𝐞𝐫𝐢𝐧𝐠 𝐀𝐩𝐩 • Re-architected flows handling 1 M+ records with Combine, lazy loading, and smart caching 𝐃𝐞𝐬𝐢𝐠𝐧𝐞𝐝 𝐄𝐧𝐝-𝐭𝐨-𝐄𝐧𝐝 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 𝐟𝐨𝐫 𝐚 𝐆𝐞𝐨-𝐒𝐨𝐜𝐢𝐚𝐥 𝐍𝐞𝐭𝐰𝐨𝐫𝐤 • Scalable AWS backend, real-time chat, rich location filters, notifications, and mobile clients 𝐀𝐩𝐩𝐥𝐢𝐞𝐝 𝐂𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 𝐟𝐨𝐫 𝐏𝐞𝐫𝐟𝐞𝐜𝐭-𝐅𝐨𝐫𝐦 𝐅𝐢𝐭𝐧𝐞𝐬𝐬 𝐓𝐫𝐚𝐜𝐤𝐢𝐧𝐠 • Push-up detector delivering daily challenge feedback on-device 𝐃𝐞𝐩𝐥𝐨𝐲𝐞𝐝 𝐚𝐧 𝐀𝐑 + 𝐂𝐕 𝐏𝐫𝐨𝐝𝐮𝐜𝐭-𝐑𝐞𝐜𝐨𝐠𝐧𝐢𝐭𝐢𝐨𝐧 𝐒𝐃𝐊 𝐟𝐨𝐫 𝐑𝐞𝐭𝐚𝐢𝐥 • YOLO-based shelf scanning with 3-D bounding boxes, panoramic image assembly, and Google Cloud/BigQuery data pipeline 𝐒𝐡𝐢𝐩𝐩𝐞𝐝 𝐚 𝐂𝐫𝐨𝐬𝐬-𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐕𝐢𝐝𝐞𝐨-𝐄𝐝𝐢𝐭𝐢𝐧𝐠 𝐀𝐩𝐩 𝐟𝐨𝐫 𝐂𝐫𝐞𝐚𝐭𝐨𝐫𝐬 • Automatic clip slicing from transcripts; custom native bridges for low-latency video stitching in React Native 𝐁𝐮𝐢𝐥𝐭 𝐚 𝐧𝐞𝐱𝐭-𝐠𝐞𝐧 𝐀𝐧𝐚𝐥𝐲𝐭𝐢𝐜𝐬 & 𝐁𝐮𝐠-𝐓𝐫𝐚𝐜𝐤𝐢𝐧𝐠 𝐒𝐃𝐊 • Rolling screen-record buffer (last 30 s – 3 min) with live markup • Offline telemetry capture, low-level video compression, and seamless sync 𝐂𝐫𝐞𝐚𝐭𝐞𝐝 𝐚 𝐆𝐚𝐦𝐢𝐟𝐢𝐞𝐝, 𝐋𝐨𝐜𝐚𝐭𝐢𝐨𝐧-𝐁𝐚𝐬𝐞𝐝 𝐅𝐢𝐭𝐧𝐞𝐬𝐬 𝐀𝐩𝐩 • Real-time capture of walking/running paths across MapKit, Google Maps, and Mapbox using H3 indexing and multithreaded reactive pipelines ➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖ 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐭𝐮𝐫𝐧 𝐭𝐡𝐞𝐬𝐞 𝐚𝐜𝐡𝐢𝐞𝐯𝐞𝐦𝐞𝐧𝐭𝐬 𝐢𝐧𝐭𝐨 𝐲𝐨𝐮𝐫 𝐚𝐩𝐩’𝐬 𝐬𝐮𝐜𝐜𝐞𝐬𝐬? → Invite me to your job on Upwork to schedule a 🆓 discovery call! ➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖ 🆘 𝙒𝙝𝙖𝙩 𝙄 𝘾𝙖𝙣 𝘿𝙤 𝙛𝙤𝙧 𝙔𝙤𝙪: 📌 App Development: Design, develop, and maintain robust iOS applications using Swift or Objective-C. 📌 User Interface Design: Implement intuitive and engaging user interfaces that adhere to Apple’s Human Interface Guidelines. 📌 Performance Optimization: Ensure applications are optimized for performance, scalability, and responsiveness. 📌 Feature Integration: Utilize iOS’s native APIs to incorporate device-specific features such as GPS, camera, sensors, and more. 📌 Testing and Debugging: Conduct thorough testing to identify and fix bugs, ensuring app stability and reliability. 📌 Version Control: Use version control systems like Git to manage and collaborate on code. 📌 App Deployment: Handle the deployment of applications to the Apple App Store, including compliance with store guidelines. 📌 Continuous Improvement: Stay updated with the latest industry trends, iOS updates, and new technologies to continuously enhance app functionality and user experience. 𝗦𝗸𝗶𝗹𝗹𝘀 𝗮𝗻𝗱 𝗤𝘂𝗮𝗹𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀: 🔸Proficiency in Swift and Objective-C programming languages. 🔸Experience with Xcode and the iOS SDK. 🔸Knowledge of RESTful APIs and third-party libraries. 🔸Familiarity with cloud message APIs and push notifications. 🔸Strong understanding of mobile UX/UI principles. 🔸Excellent problem-solving skills and attention to detail. 🔸Ability to work collaboratively in a team environment. 𝗞𝗲𝘆 𝗦𝗸𝗶𝗹𝗹𝘀: 📲 iOS Development: Swift Programming, Objective-C, Xcode, Interface Builder, UIKit, Auto Layout, Core Data, Core Animation, SwiftUI, Combine, iOS Human Interface Guidelines, Core Bluetooth, Multithreading, Unit Testing, Debugging, App Store Submission, In-App Purchases, Performance Optimization, Dependency Management (CocoaPods, Carthage), Push Notifications, Localization, Facebook SDK, Google SDK, Firebase, Redux, TCA, Mapbox. 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗷𝗼𝗯 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 - 𝘁𝗲𝗹𝗹 𝗺𝗲 𝘆𝗼𝘂𝗿 𝘁𝗼𝘂𝗴𝗵𝗲𝘀𝘁 𝗶𝗢𝗦 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲, 𝗮𝗻𝗱 𝘄𝗶𝘁𝗵𝗶𝗻 𝟮𝟰𝗵 𝗜’𝗹𝗹 𝗿𝗲𝘁𝘂𝗿𝗻 𝗮 𝗰𝗹𝗲𝗮𝗿, 𝗲𝘅𝗲𝗰𝘂𝘁𝗮𝗯𝗹𝗲 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 𝗽𝗹𝗮𝗻. 🚀

Top Rated Plus Full Stack Developer with 12+ years of experience building SaaS platforms, AI products, startup MVPs, and production web applications using React, Node.js, Next.js, PostgreSQL, Supabase and Cloudflare Over the last 4 years, I've led engineering for Deel's immigration platform, helping scale visa automation across 70+ countries into a $50M ARR product. I've built software used by thousands of businesses, from startup MVPs to enterprise platforms, always focusing on shipping quickly without sacrificing quality or scalability. Need to build an MVP, modernize an existing product, or add AI features? I help founders and growing companies turn ideas into reliable production software. You work directly with the developer building your product. No agency markup, no handoffs, no outsourcing. Send me a message and I'll record a personalized Loom walking through exactly how I'd approach your project before you commit a dollar. ✅ Why clients hire me: - Top Rated Plus - 12+ years building production software - 100% Job Success - 30k+ total earnings - Experience across SaaS, HR Tech, FinTech, HealthTech, AI, and internal business platforms - End-to-end ownership from architecture to deployment - Fast communication and predictable delivery As a Full Stack Developer I typically build: - Startup MVPs from idea to production - SaaS platforms with authentication, billing, and multi-tenant architecture - AI-powered applications and business automation tools - React and Next.js web applications - React Native (Expo) and Capacitor mobile apps - Dashboards and admin panels - CRM and internal business platforms - Customer portals - Marketplace platforms - API integrations and backend services - Rescue and modernization of existing applications - Migration of vibe-coded apps built with Lovable, Base44, Bolt, Replit, or similar tools into production-ready software Core Tech Stack: 👉 Back-end: Node.js, Express.js, Nest.js, Supabase, Convex, Firebase 👉 Front-end: React, Next.js, TanStack Start 👉 Mobile: React Native (Expo), Capacitor 👉 Database: MongoDB, PostgreSQL, Supabase 👉 Deployment: AWS, Cloudflare 👉 AI: Claude Code, Cursor, Codex, AI SDK 👉 Integrations: Twilio, Meta (WhatsApp, Instagram), OpenAI, Claude After launch you receive: ✅ 30-day bug warranty (free support) ✅ Optional maintenance retainers Recent builds include leading engineering for Deel's immigration platform, helping scale visa automation across 70+ countries into a $50M ARR business; building enterprise software for the Nasdaq-listed crypto exchange EQONEX; developing Gamma Group's Microsoft Teams telephony platform; delivering AI-powered SaaS applications and startup MVPs across healthcare, HR, fintech, and service businesses; and taking an AI lead generation platform for a dental clinic from concept to production in just 1 day. Have an idea you want to validate quickly? Send me a message and I'll respond within 24 hours with a concrete plan for your build. Core expertise: Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, TypeScript Developer, SaaS Developer, AI Developer, MVP Developer, Web Application Developer, API Developer, React Native Developer, Dashboard Developer, CRM Developer, PostgreSQL, Supabase, Cloudflare, AWS, Startup Development, Business Automation, Enterprise Software, API Integration, Mobile App Development.

Hi! I'm a professional web developer and DevOps engineer with 8+ years of experience, on Upwork since 2017 (Top Rated). I build fast, scalable websites - and make sure they're properly deployed, maintained, and running smoothly in production. From static sites to CI/CD pipelines, I cover the full lifecycle: development, deployment, and ongoing support. What I bring to the table: I specialize in JAMstack and static site generators (Hugo, Next.js), but I also handle the infrastructure side - setting up automated deployments, configuring cloud hosting, managing DNS, SSL, and keeping your site fast and reliable without unnecessary overhead. Tech stack: Frontend & CMS - HTML5, CSS3 / SCSS / Bootstrap / Tailwind · Vanilla JS / jQuery · BEM - Hugo / Next.js / JAMstack · WordPress - Decap / Forestry / Contentful · Figma / Photoshop DevOps & Infrastructure - CI/CD: GitHub Actions / GitLab CI - Hosting & Cloud: Netlify / Cloudflare Pages / Render / GitHub Pages / VPS - DNS, SSL/TLS, domain configuration Git workflows: GitHub / GitLab / Bitbucket Linux server administration & deployment scripting I typically help with: - Building or migrating websites (to Hugo, Next.js, Astro or WordPress) - Setting up automated CI/CD so deploys happen on every push - Cutting hosting costs by moving to the right platform - Performance optimization & high PageSpeed scores - SEO fundamentals - schema, OpenGraph, meta - Long-term support & feature development Feel free to message me - happy to discuss your project.

⚡️ Top 3% on Upwork ⚡️ 7000+ hours ⚡️ 100% Job Success 🔸️ 9+ years of experience 🔸️ 20+ projects done 🔸️ 15+ apps built from scratch Feedback about working with me: ⭐️⭐️⭐️⭐️⭐️ "What I liked about working with Mohammed is that he was enthusiastic about the project and clear in his communication. Before implementing something he would make sure he understood the task correctly. (This is a feature I look out for in freelancers as it can potentially save you lots of money and frustration)" ⭐️⭐️⭐️⭐️⭐️ "A very good developer to work with, very skilled, punctual, and has very friendly behaviour, and very good communication skill also. Also like to hire next time." ⭐️⭐️⭐️⭐️⭐️ "Mohammed has ample skills to get the project done in timely fashion. Adheres to schedule and provided us with alternate solution which wasn't the scope of work. Happy to hire him again" ⭐️⭐️⭐️⭐️⭐️ "Great developer with good skills in Android development. He understood the project requirements and brought up good suggestions. And plus he is always available. I highly recommend him and will continue working with him on some other project." ⭐️⭐️⭐️⭐️⭐️ "Mohammed is a very skilled and careful programmer. His work was very thorough and detailed" ⭐️⭐️⭐️⭐️⭐️ "Mohammad was one of our better employees. Mohammad's strength is hard work and perseverance - he tries to solve problems, not avoid them. I wish Mohammad good luck in his future ventures and hope to work with him again." ⭐️⭐️⭐️⭐️⭐️ "Mr. Muhammed is one from the best android developers worked with, he did very difficult project with multiple scenarios, i hope to work with him in my future projects." ⭐️⭐️⭐️⭐️⭐️ "Mohammed is very skillful. Tracks and corrects the end-to-end process, with ideas and solutions that make a better final result." ⭐️⭐️⭐️⭐️⭐️ "Great again, Probably the best professional we have hired. Thanks again." ⭐️⭐️⭐️⭐️⭐️ "Highly talented developers can be hard to find. He is one of the best developers i've found. His communication was top-notch, he met all deadlines, and his skills were reasonably strong" ⭐️⭐️⭐️⭐️⭐️ "all perfect, thanks!" ⭐️⭐️⭐️⭐️⭐️ "Good work. We will continue working with him." Why Hire Me? 💫 Your project is in capable hands, with clean, maintainable code built with best practices, ensuring your investment is maximized and not wasted. 💫 I prioritize your requirements and only take on projects if I can deliver 100% satisfaction. 💫 I ensure timely project completion by keeping track of schedules, deadlines, and your needs. 💫 I listen to your needs and provide solutions aligned with your business goals. About me: My name is Mohammed, and I am an Android/IOS Developer, highly skilled in native app development with 9+ years of experience designing, building, and customizing apps for various domains such as Hotel Management, Freight forwarding & shipping software solutions, Payment System, Doctor Booking, Health, and Fitness, Food Industry, Social Media Apps, Dating App, Productivity Apps, Service Providers, etc. I have the passion to help you complete your project in the best possible way. My Mobile Development skills include expertise in: 🔸️ C++ / Java / Kotlin / Swift / Javascript 🔸️ Native Android / IOS Development 🔸️ Cross-Platform - KMM / React Native 🔸️ XML && Jetpack Compose 🔸️ XCode Storyboard && SwiftUi 🔸️ Android widgets 🔸️ Android Jetpack libraries 🔸️ Android app modularization 🔸️ App Security 🔸️ App Architecture patterns such as MVC, MVP, MVVM, Delegate swift 🔸️ Phone/Tablet && Wear OS && Android TV/ AndroidAuto && Android widgets 🔸️RSocket 🔸️ WebRTC 🔸️ Dagger/Hilt 🔸️ Rx (Java, Kotlin) 🔸️ Kotlin Coroutines 🔸️ Local Database management with SQLite, Realm, ORMLITE, Room 🔸️ working with APIs (Retrofit, Volley, okhttp3, Ktor) 🔸️ working with real-time APIs (WebSockets, XMPP, IoT MQTT) 🔸️ implementing (Work Managers, Background Services, Alarm Managers) 🔸️ Firebase Integration 🔸️ Maps (Google, MapBox, Openstreetmap) 🔸️ social media integration with Facebook, Twitter, and Instagram 🔸️ PDF Rendering 🔸️ 3D Model Rendering 🔸️ device hardware such as Bluetooth, GPS, Accelerometer, Camera, etc. 🔸️testing (Unit testing, Espresso testing) In addition to my Mobile Development skills, I also have expertise in: 🔸️ Data Structures and Algorithms 🔸️ OOP patterns 🔸️ Spring framework 🔸️ JavaFx 🔸️ Angular 🔸️HTML 🔸️CSS 🔸️typescript 🔸️Git (Bitbucket, GitHub, Gitlab) 🔸️Agile methodology Please do not hesitate to reach out if you have any questions or if you are interested in working with me. I look forward to the opportunity to work with you ^_^.

2.1M+ users served | 20+ yrs in product engineering | 100+ feature enterprise systems | 7+ yrs long-term client partnerships Type 𝘾𝙃𝙀𝘾𝙆 and I’ll show you 1 critical mistake blocking growth for your mobile app or web app development 3 clear fixes you can apply now As you came on this page, you must have been looking for an engineer that can solve your business pain. That’s me. I’m not only a good tech guy, but also a strategist that understand your business pain and create a tech solution. I combine mobile app development (iOS, Android, cross-platform) with full-stack engineering. 𝙆𝙚𝙮 𝙃𝙞𝙜𝙝𝙡𝙞𝙜𝙝𝙩𝙨 30+ commercial products delivered (Mobile App Development, Web App Development, AI integration) 15+ cross-platform mobile apps (Flutter, React Native, Swift, iOS, Android) 10+ enterprise full-stack platforms (PHP, Symfony, React, Node.js) 2+ years average collaboration with one client AI-powered automation (Python, LLM APIs) B2B & internal systems 𝙋𝙧𝙤𝙟𝙚𝙘𝙩 𝙀𝙭𝙖𝙢𝙥𝙡𝙚𝙨 Mobile App Development for Public Migration Services High-load mobile-first architecture handling up to 10,000 𝙗𝙤𝙤𝙠𝙞𝙣𝙜 operations per minute 800,000+ annual appointments processed UX adapted for a multilingual, cross-platform mobile users Enterprise Full-Stack Development (+ mobile app development) - Self-Service Portal 7+ 𝙮𝙚𝙖𝙧𝙨 of continuous product development and support (web + mobile ecosystem) User base scaled from 200k - 2.1M+ 2× increase in user activity across mobile and web platforms 100+ service features implemented Tech Mobile Development: Flutter • React Native • Swift • iOS • Android • API Integration Full-Stack & Web: PHP 8 • Symfony • React • JavaScript • Node.js • REST APIs Backend & Infrastructure: Python • PostgreSQL • Docker • High-Load Architecture • Secure Web Applications AI & Automation: Python • LLM Integration • AI Integration • Business Process Automation • Enterprise AI Tools Enterprise Systems: Corporate Portals • Custom Web Applications • CRM Systems • System Integration • Role-Based Access Control (RBAC) 𝙄𝙣𝙙𝙪𝙨𝙩𝙧𝙞𝙚𝙨 Government • Healthcare • Food • IoT • Fitness • Automotive • Enterprise • Ecology 👉 Message me “𝘾𝙃𝙀𝘾𝙆” and get your free mini-audit 𝙬𝙞𝙩𝙝𝙞𝙣 24 𝙝𝙤𝙪𝙧𝙨. Core Expertise: Mobile App Development • Full-Stack Development • App Development • API Integration • Software Architecture • SaaS Development • MVP Development Mobile App Development: Flutter • Flutter (Dart) • Flutter + Firebase • Flutter + Laravel React Native • Cross-Platform Mobile Apps • Hybrid Mobile Apps iOS Development • Android Development Mobile UI/UX • Mobile App Performance Optimization • App Store Deployment • Google Play Deployment Frontend Development: React • React.js Development • Next.js • JavaScript • TypeScript • Responsive UI • Frontend Performance Optimization Backend Development: Node.js • Express.js • REST API • API Architecture • Microservices Python • Python Development • Backend Services • Automation • Data Processing Full-Stack Engineering: Full-Stack JavaScript Development • MERN Stack • Backend for Mobile Apps • Web + Mobile Integration • End-to-End Development (Frontend + Backend) AI & Advanced Features: AI Integration • AI-powered Mobile & Web Apps • LLM APIs • Automation • AI Features Infrastructure & Scalability: PostgreSQL • Docker • High-Load Systems • Scalable Backend Systems • Secure Applications • Cloud-ready Architecture

🚀 Unity Game Developer | F2P Systems | Scalable Architecture | Mobile & VR Unity developer focused on building scalable gameplay systems for mobile and VR projects. I design and implement clean, maintainable architectures that support real production environments. Experience delivering gameplay systems from concept to production 💥 What you get working with me: Systems, not spaghetti Clean, scalable architecture (OOP, SOLID, event-driven, state machines) F2P-ready gameplay Upgrade systems, progression loops, difficulty scaling, retention-focused design Performance-first mindset I build systems that handle hundreds of entities smoothly on mobile Fast execution I deliver working features fast, without sacrificing code quality Real production experience Not tutorials. Not prototypes. Shipped games. Real users. Real constraints. 🎮 Core Expertise: Gameplay systems (combat, abilities, AI, progression) Mobile F2P architecture (economy, retention loops) Tools & pipelines (level editors, importers, automation) Optimization (CPU, memory, batching, large-scale gameplay) VR / AR systems (Oculus, ARKit, ARFoundation) Multiplayer-ready architecture (client-server mindset, prediction-ready) ⚡ Why clients choose me: I understand both code AND game design I don’t need babysitting — I solve problems independently I write code that other developers can actually work with I focus on results, not just tasks 🧠 Tech Stack: Unity (C#), Addressables, Cinemachine, Shader Graph, VFX Graph Mobile (iOS / Android), VR (Oculus), AR Spine, REST APIs, custom tools, Git 🎯 Bottom line: If you want: a serious developer who builds real systems and can ship without drama 👉 Let’s work.