Jaimin S.

Are you an established e-commerce brand or rapid-growth business losing revenue because your sales channels, inventory management, and CRMs aren't talking to each other? Or a startup looking to launch a production-ready SaaS MVP in weeks instead of months? I am a Top Rated Plus Full Stack Engineer specializing in complex third-party API ecosystem integrations, enterprise e-commerce automation, and rapid SaaS/MVP development. By combining elite backend engineering with advanced AI-assisted development platforms (Lovable, OpenClaw, and MCP architecture), I build, deploy, and scale secure applications 3x faster than traditional development timelines. 🚀 CORE INTEGRATION & AUTOMATION EXPERTISE 1. Omnichannel E-Commerce Pipelines I eliminate manual workflows and data silos by building robust, automated pipelines between your retail operations and backend systems: • Marketplaces: Advanced Amazon SP-API automation (OAuth 2.0, inventory sync, FBA/FBM feeds, automated order management). • E-Commerce Platforms: Deep Shopify development utilizing GraphQL and REST Admin APIs to optimize data fetching and bypass rate-limit bottlenecks. • ERP & Inventory: Real-time, bidirectional syncing across Cin7 (Core/Omni) to maintain perfect inventory counts across multi-channel setups. • Accounting: Real-time financial reconciliation mapping order data directly into QuickBooks Online and Xero. • Shopify Integration: Specializing in automating the entire order-to-fulfillment lifecycle. I engineer seamless pipelines that capture Shopify checkout events, map complex product variants, and update real-time inventory counts instantly across all sales channels. 2. Deep CRM & Marketing Automation Syncing I connect transactional infrastructure to your marketing engines to supercharge customer lifecycle management: • HubSpot & GoHighLevel (GHL): Mapping custom fields, tracking real-time customer lifetime value (LTV), and triggering precise SMS/email automation pipelines based on purchase behavior. • Salesforce & Custom CRMs: Secure webhook architecture handling massive lead payloads flawlessly. 3. Rapid SaaS MVP Development & MCP Systems • Full-Stack Apps: Fast-tracked product development using React, Next.js, TypeScript, Node.js, and Supabase/PostgreSQL. • Model Context Protocol (MCP): Building and customizing MCP server-client infrastructure to seamlessly connect distributed business data with advanced AI systems. 🛠️ TECH STACK SUMMARY • Back-End & APIs: Node.js, Nest.js, PHP (Laravel, CodeIgniter), GraphQL, RESTful APIs, Webhooks • Front-End: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS • Database & Tools: Supabase, PostgreSQL, MySQL, AWS, n8n, OpenClaw, Claude Code, Lovable 💼 IMPACT-DRIVEN OUTCOMES • Eliminated 20+ hours of manual data entry per week for brands by automating Shopify-to-Cin7 workflows. • Secured multi-channel listings by implementing strict real-time stock sync via Amazon SP-API, preventing accidental overselling. • Architected highly intricate SaaS platforms (like the Solarascope Decision Intelligence platform), turning complex workflows into calm, structured code. Whether you need to repair a broken QuickBooks sync, map complex GoHighLevel webhooks, move to the modern Amazon SP-API, or launch a brand-new software product from scratch I deliver optimized, secure, and bulletproof infrastructure. Click the "Invite to Job" button on the top right, and let's map out your automation roadmap! Keywords: Shopify API Integration, Amazon SP-API, Amazon API Integration Expert, Shopify Integration Expert, Cin7 Integration, Cin7 Expert, Ecommerce Expert, ERP Integration, CRM Integration, QuickBooks Integration, Xero Integration, API Integration, Shopify Developer, Shopify Automation Expert, Inventory Management, GoHighLevel, Custom API Development, E-commerce Automation Expert, AI Automation, Workflow Automation, n8n Automation, AI SaaS Development