Sahil Upadhyay

Sahil Upadhyay

Full Stack Developer

Crafting stellar digital experiences with modern web technologies

About Me

Full-Stack Developer with 2 years of experience in building scalable and responsive web applications using React.js, NEXT.js Django, Node.js, and modern technologies. Strong expertise in both front-end and back-end development, with a proven track record of delivering high-quality, secure, and performant applications. Eager to contribute to innovative projects and continuously enhance technical expertise.

Specializing in React.js and modern web technologies, I've developed real-time applications that prioritize performance optimization and exceptional user experience. My focus lies in transforming complex ideas into elegant, functional solutions that users love to interact with.

1.5+

Years Experience

10+

Built and Deployed

User-Centric Design

Focused on usability & accessibility

Experience

Full Stack Developer

AltissAdvance Technologies Pvt. Ltd.

Aug 2023 – Aug 2025
In Office

Key Projects:

SuperLeadz

Lead generation platform

CRM System

Customer relationship management

WhatsApp Live Chat

Real-time messaging app

Key Achievements:

  • Developed responsive React.js applications with modern UI/UX principles
  • Optimized application performance resulting in 40% faster load times
  • Integrated RESTful APIs and implemented real-time features using WebSocket
  • Collaborated with cross-functional teams to deliver high-quality solutions

Featured Projects

Budget Management System (BMS)

Anubhuti NGO

A comprehensive budget management system designed for NGO operations with real-time insights into expenses and financial health.

Technologies Used:

HTML5CSS3JavaScriptPHPMySQL

Key Features:

  • Real-time budget tracking and expense monitoring
  • Interactive dashboard with financial analytics
  • Secure user authentication and role-based access
  • Automated report generation and export functionality

Spotify UI Clone

Frontend Project

Spotify-inspired UI with context-based music player, public music API integration, and responsive design using React and Tailwind.

Technologies Used:

ReactTailwind CSSTypeScript

Key Features:

  • Fully responsive Spotify-style interface
  • Context-based audio playback with global state
  • Integration with public music APIs for track previews

Real-Time Chat Platform

Full-Stack Application

A chat app built with Next.js, Node.js, and Socket.io supporting real-time messaging, reactions, typing indicators, and replies.

Technologies Used:

Next.jsNode.jsMongoDBSocket.io

Key Features:

  • Real-time messaging with WebSocket and Socket.io
  • Emoji reactions, typing indicators, and message replies
  • Separate deployment for frontend (Netlify) and backend (Render)

Skills & Technologies

Frontend

HTML5
CSS3
JavaScript/TypeScript
React.js
Tailwind CSS

Backend

Node.js
Express
PHP
Python
Django

Database

MySQL
MongoDB
PostgreSQL
Prisma
Drizzle

Tools & DevOps

Webpack
Docker
AWS
Socket.IO
EC2

Education

Bachelor's in Information Technology

E.B. Madhavi Senior College

2020 – 2023
SGPI: 8.1/10

Key Coursework:

  • Data Structures & Algorithms
  • Web Development Technologies
  • Database Management Systems
  • Software Engineering

Achievements:

  • Consistent academic performance
  • Active participation in coding competitions
  • Led multiple group projects
  • Specialized in web technologies

Languages

Multilingual Communication

English

Fluent
95%

Hindi

Native
100%

Marathi

Native
100%

Spanish

Beginner
30%

Get In Touch

Let's Connect

I'm always excited to discuss new opportunities, collaborate on interesting projects, or simply chat about the latest in web development. Feel free to reach out!