I’m a senior full-stack developer with **15+ years of experience** working on web applications, CRM/SaaS platforms, eCommerce websites, APIs, and mobile applications. My main experience is with **PHP, MySQL/MariaDB, CodeIgniter, Laravel, WordPress, Magento, JavaScript, React.js, Node.js and MongoDB**. I have worked on both new applications and large existing/legacy systems, including fixing, upgrading, migrating, and maintaining applications without affecting existing functionality. I also work with **AI and LLM-based applications**, including OpenAI, Claude and Gemini integrations, AI chatbots, AI agents, document processing and **RAG (Retrieval-Augmented Generation)** systems. I have worked with technologies such as **Pinecone, FAISS, embeddings and vector search** to build AI systems that can work with private business documents and knowledge bases. On the mobile side, I have experience with **React Native, Ionic, Cordova/PhoneGap, iOS and Android** and have worked on applications involving chat, booking, ordering, GPS/maps, social networking, and other business requirements. I have also handled a lot of API and third-party integrations, including **Stripe, PayPal, Firebase, AWS, SMS/email services, social APIs and custom REST APIs**. Over the years I've worked on: * CRM and ERP systems * SaaS and custom business applications * AI chatbots and RAG systems * eCommerce and Magento/WordPress projects * Payment and subscription systems * Booking and ordering platforms * Mobile and hybrid applications * API integrations and automation * Server migrations and legacy application upgrades I’m comfortable joining an existing project, understanding the current codebase, fixing issues, adding new features, or taking responsibility for development from the ground up. I focus on writing practical, maintainable code and finding solutions that work well for the actual business requirement—not just getting something to work. **PHP • CodeIgniter • Laravel • MySQL • React • Node.js • AI/LLM • RAG • CRM • SaaS • APIs • WordPress • Magento • Mobile** Feel free to connect if you have a project you'd like to discuss.