Hire the Best Amazon API Gateway Developers

Dear client! My name is Lex, I am am AWS Engineer. Let me ask you: did you have it all on Upwork? Contractors who go offline for days without notice? Freelancers ruined your production environments? Agencies knowing what you need better than you? Indian folks who don't have a clue about a single thing written on their profiles? My morals are different. ⭐️ I am always on for you. My response SLA is minutes. Not hours. Not days. Minutes. ⭐️ My consulting style is gentle and non-invasive. You always have the final say. ⭐️ I am a narrow specialist: AWS is the only thing I sell here, but be certain that I am the best in my league. This is some of things I enjoy: ✅ Web and mobile cloud-native microservice and serverless architectures (AWS) ✅ Cloud solutions cost reduction ✅ External API providers and COTS systems integration using Apache Camel and n8n ✅ Data pipelines, ETLs, ELTs ✅ Bespoke technology assessments ✅ Fully autonomous AI agents My Technology Background ✅ Industry-standard enterprise Java stack: Spring Boot, Hibernate, Apache Camel ✅ Experience with Apache Kafka, ElasticSearch, Redis ✅ Exposure to front-end stack and paradigms: Angular, React, micro-frontends, SPAs ✅ Data stores: PostgreSQL, MySQL, MongoDB ✅ Cloud providers: Amazon Web Services ✅ Standards and protocols: OpenAPI, REST, Json RPC, GraphQL, Mambu, n8n

You don't need someone to write code. You need someone who understands your business problem and delivers a backend that doesn't need to be rebuilt in a year. 6+ years working in PHP and Laravel across SaaS platforms, e-commerce systems, and custom WordPress backends. I've shipped 450+ projects and I maintain open-source Laravel packages actively used by other developers - that's not a line on a resume, you can read the code on GitHub before you hire me. What I actually work on: ✓ Laravel SaaS backends - multi-tenant architecture, billing integrations (Stripe, PayPal), job queues, real-time features with Reverb or Pusher ✓ RESTful and headless API development - versioning, authentication (Sanctum, Passport, JWT), third-party integrations, and passive contract monitoring so integrations don't silently break ✓ WordPress - custom plugins, hook architecture, WooCommerce extensions, REST API bridges between WP and Laravel systems ✓ Performance and refactoring - I regularly take over legacy Laravel codebases, add test coverage, resolve N+1 issues, and modernize to current standards without breaking production ✓ E-commerce - order pipelines, multi-channel inventory (Shopify, WooCommerce, Amazon, Etsy), payment gateway integrations A few things I've shipped publicly: Built a multi-channel notification engine for Laravel 12 with parallel dispatching and smart routing. A static analysis tool that catches dangerous migrations before they hit production. A passive API contract monitor that detects breaking changes in third-party REST APIs using probabilistic inference. These aren't portfolio pieces - they're tools other developers use. On working with AI: Yes, I use AI tools in my workflow. The difference between a developer who uses AI well and one who doesn't is knowing what to verify, what to question, and what to never let near production without review. My open-source work exists partly because I kept running into problems that AI-generated boilerplate can't solve. Who I work well with: Founders and technical leads who know what they want to build but need someone who can own the backend without constant hand-holding. If you have a spec, I'll ask the right questions and deliver clean, documented code. If you have a problem, I'll figure out the architecture. Available for fixed-price projects and ongoing contracts. Response time is fast - usually within 10 minutes

I'm an ex-Google engineer who builds the automation behind e-commerce operations, the Amazon and Shopify systems that keep inventory and orders in sync without anyone copying data by hand all day. My biggest Upwork project is one I still run today: an Amazon SP-API system across 50+ brand trackers that has held a single long-term contract for years. Before Upwork I spent five years as a backend tech lead at Google, then ran engineering as a Director and later as a CTO. At Google I built BigQuery analytics dashboards that took report generation from over two hours down to three minutes, and that's the same kind of problem I solve now for sellers and agencies: the reports nobody has time to pull, inventory that quietly drifts across channels, and orders that have to move between Amazon, Shopify, a CRM, and a pile of spreadsheets on their own. You're hiring a senior engineer who has owned production systems at real scale, not a no-code hobbyist who vanishes when something breaks. I work in Make, n8n, and Google Apps Script, and I write real code against the Amazon, Shopify, and marketplace APIs when the no-code tool runs out of room. On Upwork that adds up to 1,880+ hours, $100K+ earned, a 100% Job Success Score, and Top Rated Plus. If part of your operation is held together by manual work right now, send me the details and I'll tell you straight whether it's worth automating and how I'd build it.

Are you a startup looking to launch a production-ready SaaS MVP in weeks instead of months? Or an established business losing revenue because your Shopify store, CRM, and inventory systems don't talk to each other? I am a Top Rated Plus Full Stack Engineer specializing in rapid SaaS/MVP development using AI-assisted engineering and complex third-party API ecosystem integrations. By combining elite full-stack engineering with advanced AI development platforms (Lovable.dev, OpenClaw, and MCP architecture), I build, deploy, and scale applications 3x faster than traditional developers without compromising on clean code or system security. 🚀 CORE CAPABILITIES 1. Rapid SaaS & MVP Development (AI-Accelerated) Using Lovable.dev and OpenClaw, I rapidly turn ideas or Figma designs into fully functional applications. I engineer scalable backends (Supabase, Node.js, PostgreSQL) and clean frontends (React, Next.js) ready for market validation. 2. E-Commerce Ecosytem & API Integrations I eliminate manual workflows by building robust, automated pipelines between your sales channels and backend operations: • CRMs: Deep syncing between Shopify/WooCommerce and Salesforce or HubSpot. • Marketplaces: Amazon SP-API & MWS automation (Inventory, FBA/FBM feeds, Order management, OAuth). • ERP & Accounting: Real-time data syncing across Cin7, Xero, and QuickBooks Online. 3. Custom Automation & MCP Architecture I build and customize Model Context Protocol (MCP) server-client systems to streamline communication between distributed platforms and AI systems, maximizing operational efficiency. 🛠️ TECH STACK OVERVIEW • Frontend: React.js, Next.js, JavaScript, TypeScript, Tailwind CSS • Backend: PHP (Laravel, CodeIgniter), Node.js, Nest.js, Payload CMS (Headless) • Database & DevOps: Supabase, PostgreSQL, MySQL, Webhooks, REST/GraphQL APIs 💼 RECENT SUCCESS STORIES • Solarascope: Developed a complex Decision Intelligence SaaS Platform, bringing structured architecture and calm communication to a highly intricate project. • SEO Dashboard: Built an AI-powered SEO dashboard and page generator web application using Next.js. • Fintech Integration: Engineered a secure fintech system using Laravel with deep third-party financial API integrations. Whether you need to debug a broken integration, build an AI-powered Telegram bot, or launch a brand-new software product, I deliver clean, optimized, and high-performance systems. Click the "Invite to Job" button on the top right, and let's discuss how we can automate your workflows and scale your business tech.

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

Need a Laravel expert who can build scalable SaaS applications, AI-powered platforms, CRM/ERP systems, or custom APIs? I'm Waqas Ahmed, a Top Rated Laravel Developer with 14+ years of experience, 11,000+ billed hours, and a 100% Job Success Score on Upwork. I help startups, agencies, and businesses build secure, scalable, and high-performance web applications that are easy to maintain and ready for growth. About Me: Over the past 14+ years, I have successfully delivered custom web applications for startups, SMEs, and enterprise clients. My expertise includes: ✅ Laravel Development ✅ SaaS Applications ✅ AI Integrations (OpenAI, ChatGPT APIs) ✅ REST APIs ✅ React.js ✅ Vue.js ✅ WordPress Development ✅ Payment Gateways ✅ Stripe ✅ PayPal ✅ Twilio ✅ CRM Development ✅ ERP Systems ✅ Admin Panels ✅ E-commerce Platforms ✅ Subscription Systems ✅ Third-party API Integrations Why Clients Hire Me: ✔ 100% Job Success ✔ Top Rated Freelancer ✔ 11,000+ Hours Worked ✔ 90+ Successfully Completed Projects ✔ Clean & Scalable Code ✔ Fast Communication ✔ Long-term Support Whether you're launching a new SaaS product, improving an existing Laravel application, integrating AI into your business, or building a custom CRM, I'm here to help. Let's discuss your project.