Hi there, I am Isha Upadhyay.

Full Stack Developer AI Engineer Open Source

Building intelligent, scalable applications with modern web technologies and AI. Specialized in full-stack development with React, Node.js, and LangChain. Passionate about creating impactful solutions through code.

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Services

React TypeScript HTML5

Frontend Development

I deliver stunning, user-friendly websites to establish your online presence. From simple sites to complex e-commerce platforms, I provide tailored solutions using the latest frameworks and technologies for a seamless, responsive, and SEO-friendly browsing experience.

Node.js Python FastAPI

Backend Development

I enhance digital applications with robust, scalable backend infrastructures. I develop efficient database structures, APIs, and servers for optimal performance, security, and scalability, ensuring your applications handle high traffic and complex data management seamlessly.

LangChain AI OpenCV

AI & Machine Learning

I build intelligent applications using cutting-edge AI technologies. Specializing in LangChain, LangGraph, and RAG systems, I create AI-powered solutions that transform how users interact with applications through conversational interfaces and intelligent automation.

MongoDB MySQL Firebase Docker

Database & Cloud

I collaborate to define clear goals, target audiences, and a success roadmap. My expertise in database design and cloud infrastructure ensures your applications are scalable, secure, and optimized for performance with AWS, Docker, and modern database solutions.

Experiences

Oct 2024 - Mar 2025

Software Engineer Intern

@Dehix

  • Built AI-powered community platform with real-time group chat using WebSocket communication, React UI components, and Zustand state management for multi-user sessions.
  • Engineered AWS S3 file upload system with compression and validation, integrated Google Meet API for in-app video conferencing with automatic room creation.
  • Designed and integrated 10+ RESTful APIs using Node.js and Fastify with query optimization and Redis caching for improved performance.
  • Developed LangChain-powered ATS chatbot for resume optimization with conversational AI and document parsing across 4+ screens.
Jan 2025 - Present

Open Source Contributor

@Multiple Organizations

  • Implemented Project & Board Module with 5 REST APIs and normalized database schema using Node.js.
  • Fixed critical WebSocket stability issues in Golang backend, implementing connection state tracking and auto-reconnection with retry limits.
  • Designed text-based image search using YOLO tags and identified performance bottleneck in Settings page.
  • Contributed to 4+ production open-source organizations with 10+ merged PRs and feature proposals.

Skills

Programming Languages

JavaScript JavaScript
TypeScript TypeScript
Python Python
C++ C++

Frontend Development

Next.js
React React.js
HTML5 HTML5
CSS3 CSS3
Tailwind Tailwind

Backend Development

Node.js Node.js
Express.js
FastAPI FastAPI
Socket.io

Database Management

MongoDB MongoDB
MySQL MySQL
Firebase Firebase

DevOps & Cloud

Docker Docker
AWS AWS
Git Git
GitHub

AI & Tools

LangChain LangChain
OpenCV OpenCV
VS Code VS Code
Figma Figma

Recent Works

View Project

ChillDeck

Public

AI-powered presentation generator using LangChain, LangGraph with multi-agent workflow for automated content creation.

Next.js TypeScript FastAPI LangChain
View Project

Coding Collab

Public

Real-time collaborative code editor supporting multiple users with integrated compiler and WebRTC communication.

Next.js Node.js Socket.io WebRTC
View Project

JobFinder

Public

Full-stack job portal with role-based access control, secure authentication, and application tracking system.

React Node.js MongoDB
View Project

Task Management

Public

Dashboard with JWT authentication, role-based permissions, and Firebase Firestore integration.

React Node.js Firebase
View Project

Face Recognition

Public

Real-time multi-face detection and recognition system with Flask backend and automated notifications.

Python OpenCV Flask
View Project

Movie App

Public

Responsive movie browsing application with search, filtering, and dynamic routing using TMDB API.

React TMDB API

GitHub Activity

500+
Problems Solved
10+
PRs Merged
4+
Organizations
15+
Repositories

Contribution Calendar

Hover to see daily contributions

GitHub Contribution Graph

Coding Profiles

LeetCode

Knight Badge

500+ Problems

Codeforces

Competitive Programming

Contest Participant

Codolio

Profile Analytics

Coding Portfolio

Achievements

TCS CodeVita S13 Qualified
500+ DSA Problems
10+ Open Source PRs
AI Specialization

Get in Touch

Isha-upadhyay isha-upadhyay @ishaupadhy17622 ishaupadhyay354287@gmail.com ishaupadhyay +91 8853034339
I'm available for opportunities.