Blockchain Engineering
NFT Rentals & Sales Protocol
Solidity protocol for renting and selling NFTs with ERC-4907 user rights, ERC-2981 royalties, escrowed payments, and secure settlement flows.
DAO - Community Grants Governance
DAO governance system for proposing, voting on, and executing ETH and ERC20 community grants with OpenZeppelin Governor, Timelock, treasury, and vesting support.
Overcollateralized Stablecoin (DSC)
Overcollateralized stablecoin protocol using WETH and WBTC collateral, Chainlink price feeds, health-factor checks, liquidations, and secure minting and redemption flows.
Swap - Decentralized Exchange
Uniswap-style decentralized exchange with constant-product AMM pools, CREATE2 pair deployment, liquidity management, multi-hop swaps, slippage protection, and TWAP support.
AI & Intelligent Systems
Multi-PDF RAG Chatbot
RAG chatbot for asking questions across multiple PDFs using LangChain, ChromaDB, contextual retrieval, source citations, summaries, and a Streamlit interface.
AI Multi-Agent Trading System
Multi-agent stock trading simulation that coordinates autonomous investment agents with OpenAI Agents SDK, MCP tools, portfolio tracking, and a real-time Gradio dashboard.
Deal Finder AI - Multi-Agent
Multi-agent deal discovery system that combines LLM-based analysis, machine learning price estimation, online feed scanning, automated alerts, and a Gradio interface.
Full-Stack & Software Architecture
Notebase - Personal Knowledge Base
Personal knowledge workspace for rich-text notes, notebook organization, source ingestion, password-protected sharing, and notebook-scoped RAG chat with cited answers.
Bangla Quran - Audio & Translation
Bangla Quran web app with all 114 surahs, Arabic text, Bangla translation and tafsir, audio recitation, search, bookmarks, reading modes, and PWA support.
Multi-Room Chat App
Real-time MERN chat application with JWT authentication, public and private rooms, membership controls, moderation, persistent messaging, and Socket.IO presence updates.
Tools
Everyday tools you can actually use
Small online utilities and downloadable apps, built to solve one problem well.
GitHub Profile Analyzer
Analyze GitHub profiles, repositories, languages, stars, forks, and activity through a visual dashboard.
Snippet – Rich Text Notes
Create, edit, search, and organize notes with rich text editing, autosave, and a personal online workspace.
Text Diff Checker
Compare two texts side by side and highlight word-level or character-level differences privately in your browser.
Online Spelling Quiz
Practice spelling with interactive quizzes, audio pronunciation, difficulty levels, and hundreds of commonly misspelled words.
PDF Text-to-Speech Reader
Read PDFs and text aloud with synchronized highlighting, browser speech, and neural text-to-speech support.
Mental Math Trainer
Practice arithmetic with customizable operations, difficulty levels, timers, and interactive mental math exercises.
Online Trivia Quiz
Play customizable trivia quizzes by category and difficulty with instant scoring and results.
Crypto Chart Viewer
Search cryptocurrencies and view Coinbase trading pairs with interactive TradingView price charts.
BibTeX to Bibitem Converter
Convert BibTeX references into properly formatted LaTeX \bibitem entries instantly online.
Color Shade Generator
Generate lighter and darker shades from any color and quickly copy HEX values for design and development.
Word and Character Counter
Count words, characters, sentences, paragraphs, reading time, vocabulary statistics, and more directly in your browser.
Lorem Ipsum Generator
Generate customizable Lorem Ipsum text with control over paragraphs, sentences, and word length.
Black Screen Online
Open a distraction-free fullscreen black screen with a clock, custom text, and customizable background colors.
Pomodoro Timer
Desktop Pomodoro timer and stopwatch with todo management, daily statistics, syncing, and always-on-top mode.
Note CLI
A lightweight command-line note manager for creating, searching, editing, and organizing notes directly from your terminal.
GitHub Star Calculator
Calculate the total stars earned by a GitHub user and view their most-starred repositories.
Slugcopy
Convert text into URL-friendly slugs and automatically copy the result to your clipboard from the command line.
Contact
Have a project in mind?
Open to freelance, contract, and full-time Blockchain / AI engineering work