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🔥 Top-Rated AWS & Full-Stack Engineer | 5+ Years Building Scalable Cloud Systems 🔥 100% Client satisfaction on upwork | Delivered more that 10+ projects with a promising feedback | Long term client relationship Why Clients Hire Me - 5+ years of real-world production experience - Clean, maintainable, and well-documented code - Strong architectural thinking (not just coding) - Fast communication & on-time delivery - Focus on scalability, security, and AWS cost optimization 🛠 My Core Expertise AWS & Cloud Architecture Lambda, API Gateway, EC2, ECS, EKS, Fargate, VPC, IAM, WAF, Shield Databases & Storage DynamoDB, RDS, Aurora Serverless, ElastiCache, S3, CloudFront Event-Driven & Integrations SQS, SNS, EventBridge, Step Functions, AppSync, SES CI/CD & Infrastructure as Code AWS CDK, CloudFormation, CodePipeline, CodeBuild, CodeDeploy Monitoring & Reliability CloudWatch, New Relic, Prometheus 📌 How I Can Help You - Design AWS architecture from scratch - Build serverless & full-stack applications - Optimize AWS cost & performance - Fix production issues & improve reliability - Automate deployments & workflows 💬 Let’s talk! Send me a message with your idea or problem—I’ll help you find the simplest, most scalable solution 🚀

🚀 AWS DevOps & Backend Engineer | 17 Yrs | $400K+ Delivered | 100% Job Success Seventeen years in software. Nine of them were deep in AWS and infrastructure work. I'm an AWS Community Builder with all 12 AWS certifications and Terraform certified. But honestly, what matters is the work. Nearly $500K, almost 150 Upwork projects, 100% Job Success, Top Rated. That happens because I focus on what clients actually need. ✅ What You Get - AWS architecture that scales to enterprise demands without breaking at 10K users - Infrastructure as Code that makes deployments repeatable and predictable - CI/CD pipelines cutting deployment time by up to 90% - Backend systems handling complex business logic reliably - Cloud migrations done right, not just lift-and-shift chaos - Documentation and clean handoffs, not cryptic disappearing acts - Systems running at 99.9% uptime consistently - Full compliance support: PCI, HIPAA, SOC2, security hardening 🏢 Past Clients: South River Mortgage, SocialHP, Trinax Singapore. Nearly 150 projects delivered across startups to enterprise at 100% Job Success. 🎯 Why Hire Me I don't just grab requirements and start coding. Look, I ask what's actually constraining you. Timeline? Budget? What's your team capable of right now? Where do you want to be in two years? That conversation matters. It helps me pick the right tool instead of just the flashy one on a resume. Saves money. Saves headaches. I work with bootstrapped startups and established enterprises. The real magic happens when people actually talk. You won't get someone who disappears when requirements shift. Responsive, transparent, adjusts without drama. 🏗️ Infrastructure and Cloud - Architecture from scratch, multi-region and disaster recovery designs - Infrastructure as Code: Terraform, CloudFormation, CDK - CI/CD pipelines: GitHub Actions, CodePipeline, Jenkins - Containers: ECS, EKS, Docker, Kubernetes - High availability, compliance (PCI, HIPAA, SOC2), security hardening - Monitoring and observability: CloudWatch, Prometheus, ELK Stack - Cloud migrations and cost optimization strategies 💻 Backend Systems - 7+ years with Laravel, full ecosystem: Jetstream, Passport, Cashier, Nova, Spark - Multi-tenant SaaS platforms, ERP systems, CRM platforms from the ground up - Modern stacks: TALL, TIL - Payment integrations: Stripe, PayPal, Paddle - Queues: Redis, SQS, RabbitMQ - Search: Elasticsearch, Algolia - Microservices and APIs - Secondary languages: PHP, Golang, Python, Node.js - Deployment: Vapor, Forge, Envoyer 📊 Real Results One client had deployments that took forever. We built out CI/CD properly and cut it by 90%. Another client? AWS bill was out of control. Did an architecture review and dropped costs 30-35%. There was a legacy monolith somewhere else. Needed serious work. Performance improved 70-90% after we dug in. The systems I build stay at 99.9% uptime. 📋 Certifications AWS IQ Expert. All 12 AWS certifications: Solutions Architect Professional, DevOps Professional, Security Specialty, Advanced Networking Specialty, Machine Learning Specialty, Data Analytics Specialty, Database Specialty, SAP Specialty, SysOps Admin Associate, Developer Associate, Solutions Architect Associate, Cloud Practitioner. Terraform certified. Scrum certified. 🔍 Free 15-Min Audit Got an existing system limping along? Or a new project you want to start right? I do free 15-minute calls. Look at your setup, give honest feedback on where things stand. No pitch. No obligation. New project that needs someone who moves fast without being sloppy? Or something existing that actually needs real attention? Tell me what you're building. Let's figure out if we're a good fit. --- AWS DevOps | AWS Solutions Architect | Infrastructure as Code | Terraform | CI/CD | Kubernetes | ECS | EKS | Docker | Cloud Migrations | Cost Optimization | SaaS Architecture | Multi-tenant Systems | High Availability | Disaster Recovery | Laravel | Stripe | Payment Systems | Monitoring | Observability | Security Hardening | PCI HIPAA SOC2 | Microservices | API Development

★★ Full Stack Developer | SaaS & AI Solutions | Next.js, Node.js, Python, FastAPI, Supabase ★★ ★★ AI Solutions & Automation Specialist | RAG, LLM Integrations & SaaS Platforms ★★ ★★ 5+ Years of Proven Experience Building Scalable, High-Performance Web Products ★★ I’m a Full Stack Developer with over 5 years of experience, specializing in building scalable SaaS applications and AI-powered solutions using Next.js, Node.js, and FastAPI. 🧠 Tech Stack Expertise Frontend: React • Next.js • TypeScript • Streamlit • Redux • Tailwind CSS • Bootstrap • HTML • CSS Backend: Node.js • NestJS • FastAPI • Supabase • GraphQL • Redis • RabbitMQ • Bull Database: MongoDB • PostgreSQL • MySQL AI & Automation: Retrieval-Augmented Generation (RAG) • LLMs • LangChain • n8n • Zapier • AI Agents Deployment & DevOps: AWS • Google Cloud • Heroku • Vercel • DigitalOcean ⚙️ What I Deliver ✅ AI-Powered Applications & Chatbots (LLM + RAG Integration) ✅ E-Commerce Platforms & SaaS Applications ✅ Workflow Automation (n8n, Zapier, Custom AI Agents) ✅ CMS Development (Payload, Contentful, Strapi, Directus, Craft CMS) ✅ Responsive, SEO-Optimized Frontends ✅ Secure Authentication & API Integrations ✅ Payment Gateway Integration (Stripe, PayPal) ✅ Multi-Language Support ✅ Performance Optimization & Maintenance Let’s connect and discuss how I can bring your ideas to life with cutting-edge web and AI technology. Key Skills & Keywords (for Discoverability) Full Stack Developer | Senior Full Stack Developer | Full Stack Engineer | React Developer | React.js Expert | Next.js Developer | Node.js Developer | NestJS Developer | MERN Stack Developer | Backend Developer | Node.js Backend Engineer | React & Node.js Specialist | Full Stack Web Developer | SaaS Developer | Enterprise SaaS Developer | Admin Dashboard Developer | Role-Based Access Control (RBAC) | Analytics & Reporting Systems | Internal Workflow Automation | Cloud-Ready Applications | AWS Developer | Python Full Stack Developer | Scalable Web Applications | API Development | Modern Web Architecture

Full Stack Developer | React.js Developer| Next.js Developer | Node.js Developer | MERN Stack Developer | React Native Developer| Flutter | AI Agent Developer | Langchain | Langraph Struggling with slow apps, unstable APIs, or complex AI integrations? I build production-ready MERN stack platforms, mobile apps, and AI agents that scale. 4+ years shipping enterprise solutions delivering apps that cut load times by 60%, boost conversions by 50%, and automate workflows with intelligent AI. I'm a Full Stack Developer specializing in React.js, Next.js, Node.js, React Native, and AI automation. From SaaS platforms to mobile apps to intelligent AI agents, I deliver secure, scalable solutions. ➡ Tech Stack: Frontend: React.js, Next.js, TypeScript, Redux, Zustand, Tailwind CSS, Material UI, Shadcn Backend: Node.js, Express.js, NestJS, REST API, Fast API Mobile: React Native, Flutter — iOS & Android cross-platform apps AI & Agents: Langchain, Langraph, OpenAI API, Claude API, RAG, Vector Databases (Pinecone, Chroma DB), n8n, Make automation, Zapier automation Databases: PostgreSQL, MongoDB, MySQL, Supabase, Firebase, Redis DevOps: Docker, AWS, Vercel, DigitalOcean, CI/CD pipelines Payments: Stripe, PayPal, payment gateway integrations ➡ Services 1. Full Stack Web Development MERN & PERN stack from MVP to enterprise scale. Scalable SaaS platforms, admin dashboards, subscription billing. Production-ready apps from architecture to deployment. 2. Mobile App Development React Native & Flutter for cross-platform iOS and Android apps. Native performance, push notifications, offline-first architecture, app store deployment ready. 3. AI Agent Development & Automation Custom AI agents with Langchain & Langraph frameworks. RAG systems using vector databases (Pinecone, Chroma DB). Intelligent chatbots, content generation, workflow automation with n8n and automation tools. OpenAI & Claude API integrations. 4. Modern Frontend Development React.js, Next.js, TypeScript — pixel-perfect, SEO-optimized UIs. Mobile-first design, Core Web Vitals optimization. Responsive interfaces that convert. 5. Backend & API Engineering Node.js, Express.js, NestJS — secure REST & GraphQL APIs. JWT and OAuth2 authentication. WebSockets, real-time sync, microservices architecture. 6. Database & Vector Solutions PostgreSQL, MongoDB, Supabase for traditional data. Vector databases (Pinecone, Chroma DB) for AI applications. Optimized queries, migrations, scalability. 7. Payment & Integrations Stripe and PayPal subscription systems. CRM integrations ( HubSpot, GHL). Marketing automation. API-first architecture. ➡ Results: ✔ SaaS Platforms → MVPs, dashboards, subscription billing ✔ Mobile Apps → React Native & Flutter cross-platform ✔ AI Agents → RAG systems, Langchain automation ✔ E-commerce → Payment gateways, inventory management ✔ Workflow Automation → n8n, Make, Zapier builders ✔ Real-time Apps → WebSocket chat, live notifications Built AI chatbot with RAG reducing support tickets by 70% Shipped React Native app to 10,000+ users across iOS and Android Created dashboard cutting workflow time by 50% in 6 weeks Integrated Langchain agents automating 75% of manual tasks Optimized performance reducing page load times by 60% ➡ Why Hire Me: ✅ Versatile Full Stack — Web, mobile, AI solutions ✅ AI Expert — Langchain, Langraph, RAG, vector databases ✅ Proven Results — 3+ years, 20+ projects, measurable impact ✅ Clean Code — Maintainable, documented, scalable ✅ Fast Delivery — Agile sprints, daily updates ✅ Clear Communication — Fluent English, responsive 📩 Ready to start? Share your idea for a clear plan and timeline. Keywords: Full Stack Developer | Full Stack Expert | React Developer | React.js Developer| Next.js Developer | Node.js Developer | MERN Stack Developer | PERN Stack Developer | React Native Developer | Flutter Developer | Mobile App Developer | AI Agent Developer | Langchain Developer | Langraph Developer | AI Automation | RAG Developer | Vector Database Developer | Pinecone Developer | Chroma DB Developer | n8n Developer | Workflow Automation | OpenAI API Integration | Claude API Integration | AI Chatbot Developer | NestJS Developer | TypeScript Developer | Backend Developer | Frontend Developer | REST API Developer | GraphQL Developer | PostgreSQL Developer | MongoDB Developer | MySQL Developer | Supabase Developer | Firebase Developer | Stripe Integration | Payment Gateway Integration | SaaS Developer | Cross-Platform Mobile Developer | iOS Developer | Android Developer | AI Integration Specialist | WebSocket Developer | Redux Developer | Express.js Developer | AWS Developer | Digital Ocean | Docker Developer | CI/CD Specialist | Microservices Developer | Database Optimization | SEO Optimization | CRM Integration | API Development | Third-Party Integration | CRM Integration | Marketing Automation Integration |

I help SaaS teams stabilize AWS infrastructure, automate deployments, and ship features faster without production issues. I’m a Full-Stack + DevOps Engineer with 15+ years of experience building and operating web platforms. I work across architecture, backend, frontend, cloud infrastructure, CI/CD, security, and production reliability. Core stack: - AWS: ECS, EC2, Lambda, RDS, S3, CloudWatch, IAM, Secrets Manager - DevOps: Terraform/Terragrunt, Docker, GitHub Actions, GitLab CI, blue/green deployments - Backend: Node.js, Python, Java (Spring), PostgreSQL, MySQL, MongoDB - Frontend: React, Next.js, TypeScript Recent project highlights: - Giftpage: Led full-stack + AWS platform work, CI/CD automation, and production hardening (including Lovable-based migration work). - TermMax: Senior Technical Architect for AWS platform architecture, Terraform standards, security controls, and deployment workflows. - TermStructure Institutional: Designed reusable infra modules, ALB/CloudFront routing strategy, and observability standards. I also worked as a Senior DevOps Engineer with TKSpring and Inspired Concepts, handling enterprise-grade delivery and production operations. I recently returned to Upwork after long-term external engagements, and I’m now fully active for ongoing projects. If you need someone who can both fix today’s production issue and improve long-term engineering reliability, I can help.

Highly Skilled in Laravel, Vue.js, MySQL, AWS. Specialized in Ecommerce, CRM site development. I have integrated many payment gateways. Thanks, Masud