Md Muntasir R.

I am a Senior Full Stack & AI Automation Engineer with 12+ years of experience building scalable, production-grade systems using Python, Django, modern JavaScript frameworks, and cutting-edge AI/LLM technologies. I specialize in helping businesses replace manual workflows with intelligent automation, build AI-powered applications, and develop high-performance SaaS platforms with clean, scalable architecture. ⚡ Core Expertise 🤖 AI, LLMs & Intelligent Automation • GPT-4/5, Claude, open-source LLMs (LLaMA, Mistral) • RAG pipelines (Retrieval-Augmented Generation) with vector databases • LangChain, LlamaIndex, Semantic Kernel • AI agents, multi-step reasoning workflows, tool-using agents • AI chatbots, copilots, assistants (web + internal tools) • Text processing, classification, embeddings, NLP pipelines • Prompt engineering, structured output (JSON schema, function calling) • Local LLM deployment (Ollama, llama.cpp) • AI-powered document parsing (PDF, OCR, invoices, emails) • Workflow automation with Make, n8n, Zapier (advanced patterns) • Webhooks, cron systems, event-driven automation 🐍 Python Engineering & Backend Systems • Django, Django REST Framework (scalable API architecture) • FastAPI (high-performance async systems) • Flask for lightweight services • Celery, Redis, distributed task queues • Async pipelines, background workers, job orchestration • Secure authentication (JWT, OAuth, RBAC, multi-tenant systems) • API integrations (Stripe, Gmail API, Twilio, Slack, etc.) • Data pipelines, ETL, scraping, reporting systems 🌐 Full Stack Development • React.js, Vue.js, Angular (modern UI systems) • Node.js (Express, NestJS, Sails) • PHP (Laravel, Symfony, CodeIgniter) • WordPress (custom plugins, headless WP, performance optimization) • REST & GraphQL APIs • Real-time systems (WebSockets, notifications, dashboards) • Clean architecture (modular, scalable, maintainable SaaS systems) ☁️ Cloud, DevOps & Infrastructure • AWS (EC2, RDS, S3, Lambda, ECS, EKS, DynamoDB, CloudFront) • Docker, Kubernetes, container orchestration • CI/CD pipelines (GitHub Actions, GitLab CI) • Nginx, load balancing, system scaling • PostgreSQL, MySQL, MongoDB • Redis, RabbitMQ, Kafka (event streaming) • Elasticsearch / OpenSearch for search systems • Monitoring, logging, and performance optimization 💡 What I Deliver I turn complex ideas into real, production-ready systems: • AI-powered SaaS platforms • Intelligent chatbots & automation agents • Custom CRM / ERP systems with automation • API-integrated dashboards & admin panels • End-to-end workflow automation (Make / n8n / custom) • Data pipelines & AI-driven processing systems • Gmail/Email automation systems (high deliverability architecture) • Multi-tenant scalable platforms 🚀 Why Work With Me • Strong focus on business outcomes, not just code • Clean, scalable, future-proof architecture • Deep experience in automation + AI integration • Able to handle end-to-end systems (idea → production → scale) • Fast communication & reliable delivery If your project involves AI, LLMs, automation, SaaS, Python, Django, or modern full-stack development, I can help you build a powerful, scalable, and intelligent system.