I build
scalable
systems

that don’t break.

Full-stack engineer specializing in React, Node.js, and scalable backend systems — focused on performance, clarity, and long-term maintainability.

My Projects

Chat App

Chat App

A real-time messaging app using React, Node.js, Express, Socket.io, and MySQL.

GetImage

GetImage

A Saas application which generates images through text including sleek and cool design.

Ecommerce

Ecommerce

A secure e-commerce platform built with React, Fetched data through api's. Implemented Authorization.

YouTube Clone

YouTube Clone

A video-viewing platform with user authentication, toggling between themes and adding videos to playlist.

Socially

Socially

A photo-sharing platform with user authentication, Implemented Real time notifications.

Saas Landing

Saas Landing

A Saas landing page with animations including sleek and cool design used framer-motion.

Experience

A production-grade Retrieval Augmented Generation (RAG) system built for speed, accuracy, and reliability.

AI Document Chat (RAG)

Built a full-stack AI chatbot that allows users to query large document sets with accurate, cited answers. Designed to handle real-world API failures, latency, and streaming responses.

Core Flow: Embed → Retrieve → Generate → Cite

Challenges: Rate limits, API instability, citation accuracy

Solutions: Fallback models, caching layers, inline previews

95%

Accuracy

50+

Documents

2× Faster

Speed

Next.jsNode.jsNeon + pgvectorEmbeddingsLLMs

Skill Stack

JavaScript
TypeScript
React
Next.js
Redux
Node.js
Express.js
Python
Java
MongoDB
MySQL
TailwindCSS

About Me

I’m Sai Kumar — a full-stack engineer focused on buildingreliable, scalable systemsusing React, Next.js, and Node.js. I care more about long-term maintainability than quick wins.

Full-Stack Development Certification

NxtWave

2024

BSc in MPCS

City College, Hyderabad

2022 · GPA 7.87

Intermediate

Telangana Model School & Junior College

2019 · GPA 9.16

SSC

Telangana Model School

2017 · GPA 8.8

Get in Touch

Have a project or idea? Send a message — I reply fast.