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Integrated systems rarely break on the first successful API call. They break three weeks later: a failed Shopify webhook, an ERP order that never synced, a CRM contact missing from the pipeline, or POS inventory that no longer matches the store. I build and fix the middleware/API layer behind those systems. My strongest work is around Shopify, ERP, CRM, POS, and Laravel-based backend systems where product data, orders, inventory, customers, payments, and reporting all need to stay aligned. What I usually handle: - Shopify / Shopify Plus integrations and custom commerce workflows - ERP and CRM syncs: Acumatica, Salesforce, Zoho, HubSpot, SAP-style systems - POS and inventory workflows: Clover, store operations, loyalty, order flows - Laravel/PHP middleware, APIs, webhooks, queues, cron jobs, retries, and logs - Admin dashboards, reporting panels, and operational data models - Production debugging where the issue is hidden across multiple systems Relevant background: - Built and supported systems handling 24k+ products, 3M+ users, and 2,000+ locations - Led technical delivery across teams of 20+ - Worked across Shopify, Shopify Plus, Magento, BigCommerce, Acumatica, Salesforce, Zoho, Clover POS, Laravel, REST/GraphQL APIs, PostgreSQL, MySQL, AWS, Firebase, and payment systems I also take on SaaS MVPs and React Native app work when the project depends on backend architecture, integrations, subscriptions, analytics, or production stability. If your store, ERP, CRM, POS, or internal dashboard is held together by fragile syncs and unclear data flow, I can help trace where it breaks and make the system reliable.

Is your eCommerce store, SaaS platform, LMS, or web/mobile app underperforming? Need a developer who can architect, build, integrate, and deploy production-ready systems? I’m a Senior Full-Stack Developer and Tech Lead with experience building scalable web apps, eCommerce platforms, LMS systems, SaaS products, admin dashboards, APIs, AI-powered workflows, and mobile applications for startups and businesses. WHAT I BUILD & DELIVER ◆ Full-Stack Web Apps — Node.js, Next.js, NestJS, React, Vue.js, TypeScript ◆ PHP Development — Laravel, Symfony, custom PHP applications, REST APIs ◆ MERN Stack — MongoDB, Express.js, React, Node.js ◆ SaaS Platforms — Supabase, Firebase, PostgreSQL, Stripe, subscriptions, admin dashboards ◆ RAG & Vector Search — Retrieval-Augmented Generation, embeddings, vector databases, semantic search, document-based AI assistants ◆ eCommerce — Shopify, WooCommerce, Magento 2 / Adobe Commerce, payment integrations ◆ LMS Platforms — Moodle LMS, custom plugins, course setup, certification flows, third-party integrations ◆ WordPress — custom themes, plugins, WooCommerce, headless WordPress ◆ AI-Powered Development — OpenAI, Claude, Cursor AI, prompt engineering, AI workflow automation, chatbot integrations ◆ Mobile Apps — React Native / Expo apps for iOS and Android ◆ Backend & APIs — REST APIs, GraphQL, authentication, roles, database design ◆ DevOps & Deployment — AWS, Google Cloud, Docker, CI/CD, Linux server setup, deployment pipelines TECH STACK Node.js | Next.js | NestJS | React.js | Vue.js | TypeScript | MERN Stack | MongoDB | Express.js | PHP | Laravel | Symfony | Supabase | Firebase | PostgreSQL | MySQL | Magento 2 | Shopify | WordPress | WooCommerce | Moodle LMS | React Native | OpenAI | Claude | Cursor AI | Stripe | Docker | AWS | Google Cloud | DevOps WHY WORK WITH ME ✅ Magento 2 Certified Developer — Verified by Upwork ✅ Strong Node.js, Next.js, NestJS, PHP, Laravel, Symfony, Vue.js, and Supabase experience ✅ Shopify, WordPress, WooCommerce, Magento, and LMS development expert ✅ AI-assisted development, chatbot integrations, and workflow automation experience ✅ SaaS, eCommerce, LMS, API, DevOps, and mobile app development experience ✅ Clean architecture, scalable code, and production-ready delivery ✅ Fast response and clear communication ✅ Available now for long-term projects I DON’T JUST CODE — I LEAD As a Senior Full-Stack Developer and Tech Lead, I don’t only write code. I help plan the architecture, choose the right technology stack, manage development workflows, review code, solve complex technical problems, and deliver production-ready systems. Whether you need a SaaS platform, eCommerce store, LMS, WordPress/Shopify website, AI-powered feature, API backend, or mobile app, I can take ownership from planning to deployment.

Hello there, I am a Senior full stack developer with 8 years of experience. I have created or modified more then 50+ website in my career. I am expert at creating new logic and quickly understanding existing code. I have created/Worked on E-commerce website, CRM&ERP Software, Large content website, Third party API for mobile app. Also, i am a wix certified developer from 2022 Skills: Bigcommerce, Laravel, Symphony, Codeigniter, Core PHP, Cakephp, Opencart, Wix, Wordpress, Shopify, jQuery, JavaScript, Bigcommerce Stencil, Bigcommerce GraphQL, Bigcommerce Catalyst, Rest API Third party API. I have worked on multiple API like Gmail API's Payment Method API's Canvas API Notification API's Property Related API's SMS Related API's Let's discuss how my skills can contribute to your success. Feel free to send me a message, and I'll get back to you promptly. Thanks

❗ AVAILABLE Now For Work!✅ Hello, My name is Mihai Morosanu, and I am a passionate game developer. I graduated from Politehnica University with a degree in Information Engineering. In 2010, I began developing games. I love to handle complex projects over a long period. I value honest communication and achieving results. I successfully handled over 30 projects on Upwork, among which five have been long-term (1 year+) projects. Game types I've developed over the years: ✔️2D platformers and Metroidvania ✔️ 3D Souls like ✔️ Match 3 games ✔️Card Games and Slot Games Technologies I used: ✔️ HTML5: Construct 3, Phaser ✔️Unity(C#), ✔️Unreal Engine(C++, Blueprints) ✔️Facebook instant games, ✔️Developing custom plugins for Construct 2 ✔️Implementing SDK: Youtube, Facebook, FGL, Kongregate, Mochimedia, Admob, Playtomic, Google Analytics etc ✔️Back-end: Firebase, PlayFab ✔️Multiplayer games: Client to Client; Server: Firebase; PlayerIO

Senior Full-Stack Engineer with 10+ years building mobile, web, AI, desktop, and IoT applications. I help startups and enterprises ship MVPs and scale apps 2x faster, with expertise in performance, reliability, automation, and cross-platform delivery. Core Expertise • Mobile & Desktop: Android, iOS, React Native, Kotlin, Swift, Tizen, WebOS, C++, C#, Delphi • Web & Backend: Node.js, .NET, TypeScript, JavaScript, Python, Java, Go • AI & Data: LLMs (RAG pipelines, Ollama, OpenAI, Anthropic APIs), LangChain, Hugging Face, TensorFlow, PyTorch, spaCy, Scikit-learn • Automation & Orchestration: n8n, Zapier, Make (Integromat), Airflow, Monday, CI/CD pipelines • Media Processing: OpenCV, FFmpeg, real-time video/audio streaming • IoT & Devices: Bluetooth, NFC, Alexa integration, Thermal Imaging • Cloud & Enterprise: AWS, Azure, Google Cloud, Firebase, MS Graph, REST, WebSockets, SSO (SAML, Keycloak) • DevOps: Git, Docker, Jenkins, Fastlane, Visual Studio, Xcode Specialized Solutions • Real-time video/audio solutions (FFmpeg, OpenCV, WebRTC) • AI-powered apps with LangChain, Hugging Face, n8n automations, and RAG pipelines Workflow automation with n8n, Zapier, Make, Airflow • IoT device integration (Bluetooth, NFC, Alexa) • Secure enterprise integrations (MS Teams, SSO, Keycloak) • Scalable backends & APIs (Node.js, .NET, Firebase, GraphQL)

🚀 Senior Full Stack PHP/Laravel Developer | LAMP Expert | LMS, CMS, Marketplace & API Integration Specialist With 15+ years of experience in full-stack web development, I help startups, agencies, SaaS companies, educational institutions, and growing businesses build scalable, secure, and high-performing web applications using PHP, Laravel, MySQL, and modern LAMP stack technologies. I specialize in custom PHP development, enterprise web applications, LMS platforms, directory systems, API integrations, marketplace portals, customer support systems, and legacy platform modernization. Over the years, I have successfully worked on long-term contracts, business-critical applications, custom CMS solutions, support/helpdesk platforms, eCommerce systems, and scalable SaaS products for clients worldwide. ━━━━━━━━━━━━━━━━━━━━━━ 💼 Core Development Expertise ━━━━━━━━━━━━━━━━━━━━━━ ✔ Laravel Development ✔ Core PHP & Custom MVC ✔ LAMP Stack (Linux, Apache, MySQL, PHP) ✔ REST API Development & Integration ✔ SaaS Application Development ✔ CRM & ERP Systems ✔ Marketplace & Directory Platforms ✔ Membership & Subscription Systems ✔ LMS / eLearning Platforms ✔ Payment Gateway Integration ✔ Performance Optimization ✔ Legacy PHP System Modernization ✔ Server Migration & PHP Version Upgrade ✔ Third-party API Integrations ✔ Technical Support & Maintenance ━━━━━━━━━━━━━━━━━━━━━━ 🛠 PHP Frameworks & Technologies ━━━━━━━━━━━━━━━━━━━━━━ • Laravel • CodeIgniter • Yii • Zend Framework • Smarty • Custom PHP MVC Architectures ━━━━━━━━━━━━━━━━━━━━━━ 📚 CMS / LMS / Community Platforms ━━━━━━━━━━━━━━━━━━━━━━ • Moodle LMS • Joomla • MODX • Concrete5 • Grav CMS • Weebly • OJS (Open Journal Systems) Forum & Community Systems: • phpBB • vBulletin • PHPFox ━━━━━━━━━━━━━━━━━━━━━━ 🛒 eCommerce & Marketplace Platforms ━━━━━━━━━━━━━━━━━━━━━━ • X-Cart • Flynax • Osclass • Custom Marketplace Development ━━━━━━━━━━━━━━━━━━━━━━ 🎧 Helpdesk / Customer Support Systems ━━━━━━━━━━━━━━━━━━━━━━ • Zendesk • SupportPal • Kayako • osTicket ━━━━━━━━━━━━━━━━━━━━━━ 🔗 API & Communication Integrations ━━━━━━━━━━━━━━━━━━━━━━ • Twilio API • Stripe API • PayPal API • Google Maps API • CRM Integrations • Webhooks • Custom REST APIs ━━━━━━━━━━━━━━━━━━━━━━ 🔥 What Clients Hire Me For ━━━━━━━━━━━━━━━━━━━━━━ ✅ Building scalable Laravel/PHP applications from scratch ✅ Modernizing old PHP systems into secure scalable platforms ✅ Long-term website maintenance & support ✅ LMS and educational portal development ✅ Marketplace & directory website development ✅ API integrations and automation ✅ Bug fixing and performance optimization ✅ Custom feature development ✅ Dedicated development support ✅ Server migration and deployment ━━━━━━━━━━━━━━━━━━━━━━ ⭐ Why Clients Continue Working With Me ━━━━━━━━━━━━━━━━━━━━━━ ✔ Strong problem-solving skills ✔ Clean, maintainable code ✔ Excellent communication ✔ Reliable long-term support ✔ Fast turnaround time ✔ Attention to business goals, not just code ✔ Ability to work on both legacy and modern systems ✔ Experience handling complex customizations I understand both technical architecture and business requirements, which helps me deliver solutions that are scalable, stable, and aligned with client growth goals. ━━━━━━━━━━━━━━━━━━━━━━ 📈 Experience Highlights ━━━━━━━━━━━━━━━━━━━━━━ • Developed and maintained large-scale PHP/Laravel applications • Built LMS portals using Moodle • Customized and upgraded legacy Joomla/MODX systems • Developed custom marketplace and directory platforms • Integrated Twilio, Stripe, and multiple third-party APIs • Managed support/helpdesk systems and CRM integrations • Worked with startups, agencies, and enterprise clients globally • Delivered long-term maintenance and dedicated support contracts ━━━━━━━━━━━━━━━━━━━━━━ 🤝 Let’s Build Something Great ━━━━━━━━━━━━━━━━━━━━━━ Whether you need: a scalable Laravel application, Moodle LMS customization, API integration, marketplace platform, legacy PHP modernization, helpdesk system, or long-term technical support, I can help you deliver a stable, secure, and scalable solution with professional communication and dependable support. Let’s discuss your project requirements.