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I am a Full Stack Developer with 7+ years of experience building scalable web applications, SaaS platforms, automation systems, and custom API-driven solutions. I specialize in combining strong backend architecture with intelligent automation to help businesses eliminate manual processes, sync data across platforms, and scale operations efficiently. With 87+ successful projects delivered globally (US, Canada, Europe), I focus on building systems that are reliable, scalable, and business-driven. 💻 Full Stack Development Expertise ✔ Custom Web Applications (Frontend + Backend) ✔ SaaS Platforms (Multi-tenant Architecture) ✔ E-commerce & Marketplace Systems ✔ ERP & Inventory Management Solutions ✔ Admin Dashboards & Reporting Systems ✔ Browser Extensions Tech Stack React.js | Next.js | Node.js | Express.js | MongoDB | REST APIs | Tailwind CSS | JavaScript (ES6+) | Cloud & VPS Deployment 🛒 Amazon SP-API & Marketplace Automation I build custom Amazon tools and automation systems including: ✔ Inventory & Order Sync ✔ FBA Reports Automation ✔ Sales & Performance Reporting ✔ Amazon to Google Sheets Automation ✔ Multi-Account Seller Systems ✔ Amazon Ads & Data Reporting Technologies: Amazon SP-API | Amazon MWS | Google Sheets API | Webhooks | Cron Jobs | Secure OAuth Integration ⚙️ Marketing & Workflow Automation I design intelligent workflow systems using: n8n | Make | Airtable | Slack Automation | Email Automation | CRM Integration Example Automations: • Amazon & Shopify revenue reports → Slack every morning • Lead Capture → CRM → Email Sequence • Google Ads & Meta Ads spend sync • Automated dashboards & reporting pipelines I don’t just connect tools — I design scalable automation architecture. 📊 Core Strengths • API Integration & System Architecture • Workflow Automation Design • Data Processing & Reporting Systems • Business Process Automation • Clean, Maintainable Code • Performance Optimization 🌍 Industries Worked With • E-commerce & Amazon Sellers • SaaS Startups • Marketing Agencies • Financial & ERP Systems • Inventory & Supply Chain Businesses ⭐ Why Clients Work With Me ✔ 7+ Years Experience ✔ 87+ Successful Projects ✔ Strong Backend + Automation Expertise ✔ Clean Architecture & Scalable Code ✔ On-Time Delivery ✔ Long-Term Technical Support I focus on building solutions that reduce manual work, improve visibility, and increase operational efficiency. 📩 Let’s Build & Automate If you need a reliable Full Stack Developer who understands APIs, automation, Amazon systems, and scalable architecture — let’s connect. Message me today to discuss your project. Full Stack Developer | Amazon SP-API | Marketing Automation | n8n Expert | Make Specialist | API Integration | SaaS Development | React.js Developer | Node.js Developer | Automation Expert | Google Sheets API | Slack Automation | E-commerce Development | Inventory Management System | Web Application Development | REST API Development | Workflow Automation | Marketplace API Integration | Custom Software Development

Top Rated Plus WordPress & WooCommerce developer with 10+ years of experience and a 100% Job Success score. I build high-performance WordPress sites, B2B WooCommerce stores, custom PHP applications, and API integrations for businesses, agencies, and growing eCommerce brands i.e. scalable, fast, and built for long-term growth. I specialize in complex B2B eCommerce: large product catalogs, tiered and role-based pricing, RFQ and quote systems, dealer portals, account-based ordering, and ERP/CRM integrations. I also build AI-powered automation using n8n, OpenAI, Retell AI, Twilio, Zapier, and Make, helping businesses connect their systems and automate repetitive workflows. 💼𝐖𝐡𝐚𝐭 𝐈 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞 𝐈𝐧 ✅𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • Custom Theme & Plugin Development • Advanced WordPress Customization • Membership Platforms & User Dashboards • LMS Development • Website Speed Optimization • Security Hardening & Maintenance ✅𝐁𝟐𝐁 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 • Custom Store Development • Large Catalog Optimization • Role-Based & Tiered Pricing • RFQ / Quote Systems • Dealer Portals & Account Ordering • ERP / CRM Integrations • Checkout Customization ✅𝐂𝐮𝐬𝐭𝐨𝐦 𝐏𝐇𝐏 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • Core PHP Applications • Custom Admin Dashboards • CRM / ERP Integrations • REST API Development • Backend Architecture • Workflow Automation 🚀𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐭𝐚𝐜𝐤 ✅Backend: PHP, JavaScript, WordPress, WooCommerce, REST APIs ✅Frontend: HTML5, CSS3, Bootstrap, jQuery ✅Builders: Elementor Pro, Divi, Oxygen, Avada, Beaver Builder, Crocoblock ✅Database: MySQL, PostgreSQL, MongoDB ✅Servers: Apache, Nginx, Linux, SSH ✅Version Control: GitHub, GitLab, Bitbucket 🚀𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ✔ OpenAI Tools including ChatGPT API & Claude Integrations ✔ Zoho CRM / Desk / Books / Inventory Integrations ✔ Automation with n8n, Zapier, Make & Monday .com ✔ AI + WordPress/WooCommerce Integrations & Automation ✔ Multilingual AI Systems ✔ HubSpot CMS Development & CRM Integration 🤝𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐏𝐫𝐞𝐟𝐞𝐫 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐖𝐢𝐭𝐡 𝐌𝐞 ✔ Clean, scalable, maintainable code ✔ Fast communication & proactive updates ✔ Business-first technical decisions ✔ Long-term support & reliability ✔ Strong debugging and problem-solving expertise ⭐ 𝐌𝐨𝐬𝐭 𝐨𝐟 𝐦𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐬𝐭𝐚𝐫𝐭 𝐰𝐢𝐭𝐡 𝐨𝐧𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐚𝐧𝐝 𝐬𝐭𝐚𝐲 𝐟𝐨𝐫 𝐲𝐞𝐚𝐫𝐬. If you're looking for a WordPress developer who understands your business, not just your codebase, send me a message with your site URL. I'll take a look before we talk.

We at 𝐂𝐭𝐚𝐬 𝐈𝐧𝐟𝐨 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐋𝐋𝐏, we are a team of 25+ experienced in-house professionals specializing in Ecommerce Development, Amazon SP-API Integrations, ERP/IMS/OMS Solutions, Marketplace Automation, AI-Powered Applications, and Custom Software Development. With over 10+ years of experience in ecommerce technology and enterprise application development. - 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐀𝐦𝐚𝐳𝐨𝐧 𝐒𝐏-𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 * Listings Management API * Orders API * Inventory API * Reports API * Feeds API * Pricing API * FBA & FBM Integrations * Multi-Marketplace Synchronization * Amazon Automation Solutions • AI GPT based automation process MCP server connect with AI tools. • Inventory Management with multiple variants using Flat file and SP APIs (White label & Private Label). • Amazon SP API integration (Inventory, Order, Shipment, and Reports). • Auto backorder to suppliers/whole sellers via FTP/APIs accounts. • Automated Amazon ordering. • AMZ Datapipe line & ETL. • FBA/FBM, 3PL, Seller Flax, AWD services • DHL, FedEx, UPS, USPS, TNT, Shiprocket, Shipmondo, Bombino, Cirro, Quickshoip, Easyship, SendCloud etc. • Quickbooks and Shipstation integration. • FBA Reimbursement • Amazon Inventory Repricing. • PPC, managing advertising campaigns effectively. • Web Scraping • Advanced AI model integration (GPT, Claude, Gemini, Cursor, Lovable) for intelligent automation, decision-making, and predictive analytics. 𝐄𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 & 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 𝐀𝐦𝐚𝐳𝐨𝐧 𝐒𝐏 𝐀𝐏𝐈 | 𝐞𝐁𝐚𝐲 | 𝐖𝐚𝐥𝐦𝐚𝐫𝐭 | 𝐄𝐭𝐬𝐲 | 𝐒𝐡𝐨𝐩𝐢𝐟𝐲 | 𝐓𝐢𝐤𝐓𝐨𝐤 𝐒𝐡𝐨𝐩 | 𝐁𝐨𝐥 | 𝐀𝐥𝐥𝐞𝐠𝐫𝐨 𝐊𝐚𝐮𝐟𝐥𝐚𝐧𝐝 | 𝐖𝐨𝐫𝐭𝐞𝐧 | 𝐑𝐚𝐤𝐮𝐭𝐞𝐧 | 𝐅𝐧𝐚𝐜 | 𝐃𝐞𝐜𝐚𝐭𝐡𝐥𝐨𝐧 | 𝐒𝐩𝐚𝐫𝐭𝐨𝐨 | 𝐅𝐫𝐮𝐠𝐨𝐨 | 𝐀𝐛𝐞𝐛𝐨𝐨𝐤𝐬 𝐄𝐑𝐏, 𝐈𝐌𝐒 & 𝐎𝐌𝐒 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 * Inventory Management Systems * Order Management Systems * Warehouse Management Systems * Procurement Management * Vendor Management * Supply Chain Automation * Multi-Warehouse Operations * Purchase Order Management 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 * AI-driven Product Content Generation * Smart Inventory Forecasting * Automated Order Processing * Business Workflow Automation * AI-based Reporting & Analytics * Intelligent Product Matching * Process Optimization 𝐑𝐞𝐜𝐞𝐧𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 ✔ Amazon Inventory & Order Management Platform ✔ Multi-Channel Ecommerce ERP System ✔ Amazon Repricing & Inventory Automation Tool ✔ Warehouse & Fulfillment Management System ✔ Vendor Procurement & Supply Chain Platform ✔ AI-Powered Product Catalog Management System ✔ Marketplace Synchronization Platform ✔ Amazon FBA/FBM Automation Solutions 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐂𝐚𝐧 𝐄𝐱𝐩𝐞𝐜𝐭 * Clean and scalable architecture * Enterprise-grade development practices * Strong communication and transparency * Long-term technical partnership * Focus on automation and business efficiency * Deep understanding of ecommerce operations Let's discuss your project and build a solution that grows with your business. Thanks

⭐⭐⭐⭐⭐ Expert Amazon Ebay ÀPI 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 ⭐⭐⭐⭐⭐ 15+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 NopCommerce Developer Hello it's Alpesh Mundadiya here, ✔ 15+ years of experience in .Net Framework, → Windows Form, ASP.Net Web Form, MVC, Web API → ASP.Net Core MVC and Web API → C#, VB.Net → Entity Framework, Entity Framework Core → ADO.Net, LINQ ✔ 15+ years of experience in JavaScript, jQuery ✔ 15+ years of experience in Microsoft SQL Server Expert In eBay API. Amazon MWS API, Amazon FBA API, Query Optimization, Cache Management, Page Speed Optimation, Server Management Amazon SP-API (Seller Central) • Orders, inventory, and settlement sync across single and multi-account setups • Reimbursement automation catching lost/damaged inventory and fee errors Amazon owes you • FBA reporting, financial reconciliation, and Seller Central data pipelines • MWS-to-SP-API migrations for sellers still on legacy integrations Amazon Vendor API (Vendor Central) • Purchase order automation, shipment/ASN handling, and invoice reconciliation for 1P vendors • Vendor-side inventory and cost/price sync • Chargeback and deduction tracking to reduce revenue leakage Amazon Business API • B2B catalog, pricing, and quantity-discount integrations for Amazon Business sellers • Tax-exemption and business-customer order handling I have experience in building High-End database driven applications for customers from small to medium enterprises and entrepreneurial community. From last 15+ year I am working with IT Services some of listed here 👇 ✨ Key Skill ✨ ✔️ ASP.NET / C# / ASP.NET Core / Asp Classic ✔️ SQL Server, MySql ✔️ PHP, OpenCart, Codeigniter, Shopify, BigCommerce, Liquid, Shopify Theme Development ✔️ JQuery, Ajax, Json, Css, Html, Twitter Bootstrap ✔️ Amazon MWS API. Amazon SP API, Amazon FBA API, Amazon MWS API ✔️ Amazon Web Service (AWS) , AWS Management Console ✔️ eBay API, Walmart Open API ✔️ Pay- pal API, Stripe API, Amazon Payment API, Autorized.net API , Stripe API ✔️ FedEx API, UPS API ✔️ SOAP/REST: integration of existing services, API, new services creation.Other web API integration ✔️ Web Scraping (Crawling), Amazon Web Scraping, Web Auto Login, JSON and XML parsing, Amazon To eBay Integrations Front-End Technology ✔️ Angular ✔️ Angular material ✔️ Ng content ✔️ Pipe ✔️ Typescript ✔️ VueJs Server Deployment ✨ Amazon ✨ ✔️ Amazon EC2 ✔️ Amazon Simple Storage Service (S3) ✔️ Amazon RDS ✔️ Amazon Lightsail ✨ Azure✨ ✔️ ServiceBus ✔️ AppServices ✔️ API Management ✔️ Cosmos DB ✔️ AzureSQL ✅ Amazon API Integration: Proficient in integrating various Amazon APIs including SP-API, DSP-API,Amazon MWS, and ADS-API to fetch and integrate real-time data, enabling informed decision-making. ✅ Store Inventory Management Automation: Expertise in automating and streamlining inventory management processes to ensure efficient operations. ✅ ChatGPT and OpenAI Integration: Leverage powerful technologies for enhancing customer interactions, automating customer support, and creating personalized experiences. ✅ Do you need help to auto stock in Amazon or auto price in Amazon or auto listing in Amazon? ✅ Do you need help to auto stock in eBay or auto price in eBay or auto listing in eBay? ✅ Do you want to customize the store in Shopify or BigCommerce or OpenCart? ✅ Do you want to Full Stack ASP.Net C# Web Developer? ✅ Do you want to Optimization in your site speed or Cache Management? ✅ Do you have trouble with your database query in SQL and MySQL? ✅ Do you want to server setup for your business? Hire Best eBay API Developer Hire Best Amazon SP API Developer / Hire Amazon API Developer Hire Amazon MWS API Developer / Hire Esty API Developer / Hire Walmart API Developer #AmazonSPAPI #AmazonVendorAPI #AmazonBusinessAPI #AmazonAdsAPI #AmazonPPC #AmazonAdvertising #AmazonMWS #AmazonMarketingStream #AmazonMarketingCloud #SponsoredProducts #SponsoredBrands #SponsoredDisplay #ACOSOptimization #TACOSOptimization #BidOptimization #AmazonFBA #AmazonFBM #SellerCentralAutomation #VendorCentralAutomation #ReimbursementAutomation #InventoryManagement #OrderManagementSystem #EcommerceAutomation #APIIntegration #ClaudeAPI #MCPServer #AIAgents #WorkflowAutomation #n8n #AmazonSellerAutomation

I help businesses build, improve, and maintain web applications that solve real business problems. Whether it's developing a custom web application, SaaS platform, landing page, business portal, integrating third-party APIs, automating workflows, implementing AI solutions, or maintaining an existing system, I focus on delivering reliable, scalable, and maintainable solutions. Over the years, I've worked on startup MVPs, business applications, CRM systems, ERP integrations, payment gateway integrations, AI-powered workflows, Voice AI, backend automation, cloud-based solutions, and custom business software. I enjoy solving complex problems, improving existing applications, and building solutions that help businesses save time and operate more efficiently. What I Can Help You With • Custom Web Application Development • SaaS Platform Development • Landing Pages & Business Websites • REST API Development & API Integration • CRM & ERP Integrations • Payment Gateway Integration • AI Integration & Workflow Automation • Voice AI & Auto Calling Solutions • Twilio, Vapi, Retell AI & VoIP Integrations • Admin Panels & Business Dashboards • Database Design & Backend Development • Performance Optimization • Ongoing Maintenance Backend • PHP • Laravel • CakePHP • CodeIgniter • Zend Framework • Symfony • Golang • Nodejs • Expressjs Frontend • Reactjs • Nextjs • Vuejs • JavaScript • jQuery • HTML5 • CSS3 • Bootstrap • Tailwind CSS Databases • MySQL • PostgreSQL • MongoDB • SQL / PL-SQL • NoSQL Cloud & DevOps • AWS • Google Cloud Platform (GCP) • Docker • Apache • Git • GitHub • GitLab • Bitbucket API & Third-Party Integrations • REST APIs • GraphQL • Webhooks • Stripe • PayPal • Razorpay • Paytm • Google Pay • HyperPay • Flutterwave • Twilio • SendGrid • HubSpot • Zoho CRM • GoHighLevel • Meta APIs • Google APIs • Facebook APIs • LinkedIn APIs • X (Twitter) APIs • PubNub • CallRail • Kixie • WATI • Wufoo • HeyFlow • REsimpli • Apex Chat • Tawk AI & Automation • OpenAI API • ChatGPT API • Claude API • Gemini API • Anthropic AI • Make • Zapier • n8n • AI Workflow Automation • AI Agents • Voice AI • Vapi • Retell AI • OpenAI Realtime API • Function Calling • Webhook Automation Additional Experience • SocketIO • Authentication (JWT & OAuth) • API Versioning • Cron Jobs • Payment Processing • CRM Development & Integrations • SaaS Development • Business Automation • Landing Page Development • WordPress Development • Shopify Development • Performance Optimization • Debugging & Troubleshooting • Maintenance & Support I work across the complete software development lifecycle—from understanding business requirements and planning architecture to development, testing, deployment, and long-term maintenance. Whether it's building a new application, improving an existing system, integrating third-party services, developing AI-powered solutions, or solving complex technical challenges, I focus on writing clean, maintainable code and delivering software that's reliable, scalable, and built for long-term success. Clear communication, attention to detail, and meeting deadlines are important to me. Whether you need a one-time implementation or a long-term development partner, I'd be happy to discuss your project and find the best approach. I look forward to working with you.

I am a full-stack PHP web developer with more than 14 years of experience in web development and API integration.I develop web applications using PHP, MySQL, WordPress, and Laravel.My goal has always been to create websites that are highly functional but also completely focused on the needs of the client. Top-Rated Upwork Freelancer | Delivered over 460 five-star projects, ensuring absolute client satisfaction Why Work With Me: ---------------------------------------------------------------------------- Proven track record of high-quality & error-free deliverables On-time delivery & Continuous post-project support to ensure long-term stability Clear communication and timely delivery on every contract ---------------------------------------------------------------------------- I have successfully integrated over 300 APIs globally, which has equipped me with expert skills in API integration.Here are some of the API integrations I have successfully completed. Accounting & Billing :- Billing Orchard API, Chargebee API, Debitsuccess API, Escrow API, MYOB API, Payleadr API, Payme API, QuickBooks API, Reckon API, Saasu API, SecurionPay API, Small2Invoice API, Xero API CRM & Marketing Automation :- ActiveCampaign API, Capsule CRM API, GoHighLevel API, HubSpot API, Keap (Infusionsoft) API, Klaviyo API, Ontraport API, Total Expert API, Zoho CRM API E-Commerce, Inventory & Shipping :- Booqable API, eBay / Shopping API, FedEx API, Inventory Planner API, Magento API, Parcel Pro API, ShipEngine API, Shipit API, Shopify API, SKUSavvy API, Unleashed API, UPS API, USPS API Field Service & Project Management :- FieldRoutes API, Filevine API, Housecall Pro API, Hubstaff API, Procore API Productivity, Automation & Forms :- Google Apps Script, Jotform API, Qualtrics API, Zapier API Communication & Helpdesk :- Constant Contact API, Freshdesk API, OneSignal API, Phone Wagon API Social Media & Ad Tech :- AdButler API, CJ (Commission Junction) API, Facebook API, Instagram API, LinkedIn API, Linkshare (Rakuten) API, X (Twitter) API Events, HR & Staffing :- Avionté API, BambooHR API, Bookeo API, RunSignUp API, TryBooking API, Webtickets API ERP & Open Data & Media & Wearables :- NYC Open Data API, Odoo API, Quickbase API, Zoho API , Discogs API, Fitbit API, Garmin API, Spotify API Other :- Angaza API, Bisnode (Bisweb) API, CommCare API, ElevenLabs API, Jobs API, Litmos API, Lovable AI, Redtail API, SpyFu API, Teamleader API, Whereismypartners API Specialist in the following domains:     - Front End development , Back-end development, Full Stack PHP, Laravel, CodeIgniter, Cakephp.     - Shopify, WordPress, Webflow, Custom Wordpress Plugin , Custom Wordpress Theme. - Wordpress widget development, Created Leaderboard by using the 3rd party api data     - Wordpress Custom plugin and Wordpress themes development , Wordpress Api integration       - Wordpress Woocommerce orders and customer synch with 3rd party site   - Product Inventory Catalog Sync Api , SuiteDash customization - WordPress Development - Api developer - CRM Automation - WooCommerce - Laravel - RESTful API Reasons to select my services: - I possess a demonstrated history of producing high-quality work. - I offer clients continuous support following the project's completion. Should we collaborate, I am dedicated to delivering high-quality work efficiently. After completing a project, I offer continuous support to ensure the applications are error-free and highly adaptable for end users. Feel free to reach out with any inquiries, and I will respond promptly..