Gagan D.

Certified Shopify Expert | Full-Stack: Python, RoR & Node | AI & LLM

I’m a multi-disciplinary technology consultant and solutions architect with deep expertise in Shopify development and eCommerce strategy. I help brands from DTC startups to enterprise retailers build high-converting, scalable Shopify stores using custom themes, app integrations, conversion rate optimization, and performance-tuned storefronts built on Online Store 2.0 or Hydrogen. My focus is always on aligning design, UX, and development with real business goals to maximize ROI. In parallel, I specialize in AI-driven applications and custom web platforms, leveraging Private LLMs, Open-Source AI models (such as Llama, GPT-4All, and Mistral), and full-stack technologies such as Node.js, Ruby on Rails, Python, and Laravel. I work with startups and enterprises to implement secure, intelligent solutions that integrate seamlessly with internal workflows, APIs, and data systems. With over 10 years of experience, I bring together technical depth, business insight, and user-first design thinking to deliver platforms that are not only technically sound but strategically impactful. 𝗘- 𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 & 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 As a certified Shopify expert and seasoned eCommerce strategist, I build stores that convert traffic into sales, from landing page to checkout. My services include: - Custom Shopify Theme Development (Online Store 2.0) - Shopify Plus scaling & CRO implementation - Landing page and funnel development for product launches - Custom Shopify apps (public/private, subscription, or API-connected) - Product strategy, A/B testing, and user journey optimization - Subscription flows using Recharge, Appstle, or custom billing - Speed optimization, SEO enhancement, and UX fine-tuning - Full headless Shopify builds using Hydrogen + Remix 𝗣𝗿𝗶𝘃𝗮𝘁𝗲 𝗔𝗜 & 𝗟𝗟𝗠 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 (𝗟𝗟𝗮𝗺𝗮, 𝗢𝗽𝗲𝗻 𝗦𝗼𝘂𝗿𝗰𝗲, 𝗙𝗶𝗻𝗲-𝗧𝘂𝗻𝗲𝗱) With the rise of AI-driven transformation, I help enterprises implement Private LLMs using models like LLaMA, Mistral, Claude, All GPT, and fine-tuned Open Source LLMs either on cloud or secure on-prem environments. - Fine-tuned AI assistants trained on internal knowledge - Document parsing, summarization, and retrieval-based question answering (RAG) - AI-enabled customer support, workflows, and content tools - Private ChatGPT-like experiences embedded within apps - Integration with enterprise data sources (SQL/NoSQL, APIs, PDFs, S3, etc.) - Secure deployments using Docker, FastAPI, LangChain, or custom Node/Python backends - Whether it's building AI copilots for internal teams, automating repetitive workflows, or powering smart search and support systems, I bring the full stack of AI development together under one strategy-first approach. 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗔𝗣𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 I offer robust full-stack development services for startups and enterprises, combining backend reliability with frontend elegance. 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: - Node.js (Express, Nest.js) - Python (FastAPI, Django) - Ruby on Rails - Laravel + MySQL/PostgreSQL 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: - React.js, Vue.js, Alpine.js - Tailwind CSS, Bootstrap, and modular design systems - Shopify Liquid & Hydrogen for dynamic storefronts - Figma to responsive code implementation 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: - REST & GraphQL APIs - CRM/ERP/payment/shipping integrations - Custom workflows and automation (webhooks, queues, cron jobs) - SSO/Auth, OAuth 2.0, and third-party login mechanisms 𝗘𝗻𝗴𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗢𝗽𝘁𝗶𝗼𝗻𝘀 I’m open to collaborating as: - A lead developer or technical partner for startups - A consultant for AI + eCommerce strategy and implementation - A contract developer or team extension for agencies Whether you need to build from scratch, modernize your existing system, or integrate cutting-edge AI, I can help design, architect, and implement a powerful, results-driven solution. 𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗦𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗧𝗵𝗮𝘁 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝘀 If you're looking for someone who can bridge the gap between code and business goals, clarify technical complexity, and deliver with speed, integrity, and precision, I’d love to connect. Gagan