Passionate Coder

Hey there, I'm Arijit
Kumar Roy from India

About Me

Enthusiastic in the field of Computer Science, likes to explore the vast world of techs. Always ready to march ahead grabbing opportunities, learning from past mistakes and improving myself everyday. Highly adaptive and a friendly fellow.

Python

Programming Language for competitive coding

Java

Programming Language for developing apps

MongoDB/Firebase

NoSQL DBMS for seamless storage of datas

React.js/Next.js

Frameworks for frontend designing of websites

NodeJS/Express

Backend Programming for web servers

Blender

Software for 3D modelling, shading and animation

My Works

ChainLab

ChainLab is an interactive, Bitcoin-inspired blockchain laboratory. Explore UTXOs, transactions, mempools, SHA-256, Merkle proofs, proof-of-work, peer propagation, forks, cumulative-work selection, reorganizations, and controlled attack models.

neetcode-gpt

GPT built from scratch — assembled from my NeetCode ML course submissions

neetcode-submissions

My NeetCode.io problem submissions

NullOriginCTF-Writeups

Latest public repository on GitHub.

Purble-Cake

Purble Cake is a browser-based bakery simulation and order-fulfillment casual game built with React, TypeScript, and Vite.

Cuda-Image-Upscaler

CUDA Image Upscaler is a Windows-oriented C++17 command-line utility for enlarging binary P6 PPM images on an NVIDIA GPU. It offers nearest-neighbor, bilinear, and bicubic resampling, an optional sharpening pass, and optional CUDA-backed Real-ESRGAN x4 inference.

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My Services

Webpage Designing

Designing interactive web pages using Next.js and TailwindCSS

Photo Editing

Editing pictures using Ibis Paint

My Achievements

Programming in Java (Top 5%)

May 2024

Secured 5% Topper in MOOCs by NPTEL.

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Introduction to Internet of Things (Top 5%)

Nov 2024