Md Abul K.

🚀 I help Businesses build AI features, launch Shopify apps, and build SaaS products that are ready for real users — not just demos. If you need a custom Shopify app from idea to App Store, a SaaS or e-commerce product built to scale, or an AI feature like an LLM chatbot inside your app — that's exactly what I do every day. ⭐ Top Rated Plus | 8+ Years Experience | Full-Time Availability 🤖 AI & LLM Engineering (my specialty): ✦ OpenAI, Claude & Gemini API integration into real products ✦ RAG pipelines, vector databases & embeddings ✦ AI agents, function calling & chatbots ✦ Prompt & context engineering ✦ AI workflow automation (Zapier, Make, n8n) 🛍️ Shopify App Development (end-to-end): ✦ Custom apps with Remix, React & Node.js, Laravel ✦ Admin & Storefront APIs, Polaris, App Bridge, Webhooks ✦ Checkout & subscription extensions, Shopify Billing API ✦ Hydrogen custom storefronts & Liquid themes 💻 Full Stack Development: ✦ Frontend: React, Next.js, Remix, Vue.js, JavaScript, TypeScript, Tailwind CSS ✦ Backend: Node.js, Laravel, Livewire, CodeIgniter, REST & GraphQL APIs ✦ Databases: MySQL, PostgreSQL, Redis ✦ Payments Integration: Stripe, PayPal, Paddle, Lemon Squeezy, Shopify Billing ✦ DevOps: Docker, GCP, AWS, VPS, CI/CD, Git 🛠️ What I can build for you: ✦ SaaS products & MVPs (from idea to launch) ✦ Custom Shopify apps & e-commerce solutions ✦ Custom WordPress plugins ✦ AI features: chatbots, content generation, smart automation ✦ API development & third-party integrations ✦ Bug fixing & rescuing stuck or legacy projects 🌟 Why clients keep working with me: 🧠 I solve the problem, not just write the code 🧹 Clean, well-documented code, your next developer will thank you for ⚡ On-time delivery with daily/weekly updates 🔒 Security best practices from day one 🤝 Most of my work comes from long-term repeat clients 💬 Send me a message with a quick description of your project — I'll reply with an honest assessment and a clear plan within a few hours.