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I’m a Senior Software Developer with 8+ years of experience building scalable web and mobile applications, from MVPs to complex enterprise systems. I specialize in JavaScript ecosystems (React, React Native, NestJS) and help businesses turn ideas into reliable, maintainable products. Over the years, I’ve worked on: - Banking platforms and fintech systems - Microfrontend architectures and large-scale SPAs - Mobile apps published on App Store & Google Play - Fullstack platforms with payments, real-time features, and cloud deployment What I bring to your project: - Clear architecture (not just code that “works”) - Strong focus on performance and scalability - Clean, maintainable code with long-term thinking - Ability to take ownership and deliver independently I can help you with: - Building MVPs fast (but correctly) - Scaling existing applications - Refactoring messy codebases - Designing system architecture - Leading frontend or fullstack development If you’re looking for someone who understands both business needs and technical execution, let’s talk.

🛒 I build online stores and web apps for small and medium businesses — from the first commit to a live, running server. I build and support PUMA's official online stores in 4 countries 🇲🇩 🇬🇪 🇺🇿 🇲🇳 — real traffic, real orders, and real "the checkout is broken" messages at 2 a.m. That's where I learned that e-commerce isn't about pretty pages. It's about the cart adding up correctly. Every single time. 💸 ━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I CAN DO FOR YOU 🛍️ E-COMMERCE THAT ACTUALLY WORKS Catalog, cart, checkout, order flow, admin panel. I've built promo engines most shops don't even attempt: "1+1=3" offers, weekly promo codes, site-wide sale campaigns driven by an Excel upload, and discount rules that stack correctly (or intentionally don't). 💳 PAYMENTS & INTEGRATIONS Card payment gateways with token caching and signed callbacks, loyalty program integrations, Firebase push notifications, Google & third-party APIs. 📱 MOBILE APPS React Native apps with in-app payments 🌍 MULTI-LANGUAGE, MULTI-COUNTRY Localization, currencies, address and phone formats, RU/RO/EN/UZ content. Done it more than once — I know where it usually breaks. ⚡ PERFORMANCE & DEPLOYMENT Next.js caching strategies, Cloudflare, server setup and deploys on CWP/HestiaCP. I don't hand you a ZIP file and disappear — I put it live and keep it running. 🕵️ INHERITED CODEBASES Someone else built it and then vanished? I take over legacy projects, find the bug, and document what I changed. ━━━━━━━━━━━━━━━━━━━━━━━━━━ 🧰 MY STACK Next.js (App Router) · TypeScript · React · Laravel (PHP) · React Native PostgreSQL / MySQL · Prisma · Tailwind CSS · REST APIs · Git ━━━━━━━━━━━━━━━━━━━━━━━━━━ 🤝 HOW I WORK ✅ I ask questions before writing code — half of all e-commerce bugs are really just unclear requirements ✅ Regular updates. I won't go silent for a week ✅ Clean, readable code your next developer won't curse at ✅ Honest estimates. If something is a bad idea, I'll say so before you pay for it On the side I'm building my own marketplace platform (Next.js + Prisma + PostgreSQL), so I know what it takes to ship a product, not just close tickets. 🚗 Launching something new, fixing something broken, or adding features to a store you already have? Send me a message and tell me what you're working on — I'll tell you honestly whether I'm the right person for it. 👋

🚀 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.

⚡️ 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 ^_^.

I help startups and businesses build fast, scalable web applications with React, Next.js and Node.js. I can build your product from scratch, improve an existing app, or fix performance and technical issues.

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.