Building scalable SaaS systems with Node.js, TypeScript, AWS & AI
- 🔧 Backend Lead & Cloud Architect — designing multi-tenant SaaS platforms on AWS (CDK, AppSync, Lambda, DynamoDB, ECS, Cognito)
- 🚀 Founder of Trelyt — an interconnected SaaS ecosystem (SSO, fintech, LMS, e-commerce, and more)
- 🤖 Exploring AI/Agent engineering — LangChain, LangGraph, MCP, PGVector, RAG pipelines
- ✍️ Writing the "Building Your Own AI Assistant with Node.js" series on Medium
- 📍 Based in Kishoreganj, Bangladesh
| Project | Description | Stack |
|---|---|---|
| Actionboard.ai | Multi-tenant SaaS control plane @ Cloudscockpit | AWS CDK, AppSync, Lambda, DynamoDB |
| Trelyt SSO | Centralized auth layer for the Trelyt ecosystem | Passport.js, Redis, Node.js |
| Local AI Assistant | Offline RAG pipeline with tool-calling & streaming | LangChain, PGVector, Ollama, Express |
| Shiftlayer Backend | Real-time collaboration backend | Socket.IO, RabbitMQ, MongoDB, Stripe |
- Building Your Own AI Assistant with Node.js — Part 2
- Building Your Own AI Assistant with Node.js — Part 1



