Backend-focused Full-Stack Engineer and AI Engineer with 3+ years of experience designing scalable, cloud-native systems for global users. Specialized in backend architecture, system design, and LLM-powered automation using Node.js, TypeScript, and modern AI frameworks. Proven ability to build, deploy, and own production systems end-to-end while collaborating with distributed teams in fast-paced startup environments.
Hi, I'm Debojyoti
Backend-focused Full-Stack Engineer and AI Engineer with 3+ years of experience designing scalable, cloud-native systems for global users.
DD
About
Skills
Node.js
Express.js
TypeScript
REST APIs
GraphQL
JWT
WebSockets
Microservices
Event-Driven Architecture
Serverless Systems
MongoDB
PostgreSQL
MySQL
Redis
Firebase
AWS
Docker
CI/CD Pipelines
Nginx
Linux
GitHub
OpenAI API
LangChain
LangGraph
CrewAI
Multi-Agent Systems
Prompt Engineering
n8n
Zapier
Make (Integromat)
React.js
Next.js
React Native
Tailwind CSS
My Projects
Check out my latest work
I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.
BluBuddy.io
AI-powered conversational platform with a multi-agent backend architecture. Designed backend services for conversation orchestration, lead management, and analytics. Processed 50,000+ conversations and improved client lead conversion rates by 35%. Implemented domain-specific AI agents for real-estate listings aggregation and intelligent responses.
React.js
Node.js
TypeScript
MongoDB
LangChain
LangGraph
AWS
Docker
SmartInbox.ai
LLM-driven email productivity system. Built backend pipelines for email ingestion, classification, and priority ranking. Implemented asynchronous processing and intelligent filtering workflows. Reduced email handling time by 40% for 2,000+ active users.
Next.js
Node.js
TypeScript
MongoDB
LangChain
LangGraph
AWS
Docker
Caption AI
Generative AI backend service for social media captions. Used prompt engineering and LLM APIs. Enabled scalable, automated content creation across multiple platforms.
React Native
Generative AI
LLM APIs
AskMate AI
AI-powered study assistant. Enabled users to upload PDFs, YouTube links, and question papers for contextual Q&A. Built React Native mobile frontend. Designed backend APIs using Node.js and integrated LLMs for document understanding and retrieval.
React Native
Node.js
LangChain
Contact
Get in Touch
Want to chat? Just shoot me a dm with a direct question on Linkedin and I'll respond whenever I can. I will ignore all soliciting.