Rakesh Roy | Senior Full Stack Engineer

About Me

Know Me More

I'm Rakesh Roy

Senior Full Stack Engineer | AI & Generative AI

Senior Software Engineer with 7+ years of experience building scalable backend and distributed systems, now specializing in AI and Generative AI. Experienced in developing AI-powered applications using LLMs, RAG, vector databases, prompt engineering, AI agents, and LLM-based APIs.

Strong foundation in system design, cloud infrastructure (AWS), Kubernetes, Docker, and CI/CD, enabling the development and deployment of production-ready AI systems. Passionate about combining software engineering and modern AI technologies to build intelligent, scalable applications.

Services

What I Do?

AI & Generative AI Applications

I build AI-powered applications using LLMs, RAG pipelines, embeddings, vector databases (ChromaDB, Qdrant), LangChain, AI agents and LLM APIs, with careful prompt engineering.

Scalable Backend & System Design

I design and build scalable backend and distributed systems with Node.js / NestJS, microservices, GraphQL, Kafka, MongoDB and PostgreSQL.

DevOps & Cloud Deployment

I ship production-ready systems with Docker, Kubernetes (Minikube, AWS EKS), CI/CD pipelines, auto rollback, zero-downtime EC2 and blue-green deployments.

Full Stack Development

I build end-to-end products such as E-commerce, ERP and POS systems with React / Next.js on the front end and Node.js on the back end.

Skills

Linux

PHP

Laravel

Codeigniter

Node Js

React Js

Typescript

Next Js

Javascript

Jquery

MySql

MongoDb

HTML5

CSS3

Bootstrap

Git

Docker

NestJS

AWS

Kubernetes

PostgreSQL

GraphQL

Kafka

AI & Generative AI

LLMs Prompt Engineering RAG Vector Databases Embeddings LangChain AI Agents LLM APIs ChromaDB Qdrant Hugging Face

DevOps

Docker Dockerfile Docker Compose Docker Volume Docker Networking Kubernetes Minikube EKS (AWS) CI/CD Auto Rollback Zero Downtime EC2 Deployment Blue-Green Deployment