
Decentralized Document Notary
LiveProves a file existed, unchanged, at a given moment: the file is hashed and the hash is recorded on Ethereum's Sepolia testnet.
- Contract
- Solidity
- Frontend
- React
- Backend
- Node.js · Supabase · Cloudflare R2
I'm Syed Ahmed Ali Shah, a full-stack developer. Three years building Django and PostgreSQL apps remotely for a Canadian company, two running journal systems for a university, and now shipping on the blockchain.
A few projects where the engineering decisions mattered — each one deployed and publicly verifiable.

Proves a file existed, unchanged, at a given moment: the file is hashed and the hash is recorded on Ethereum's Sepolia testnet.

A Solidity voting contract with a front end styled as a paper ballot, so voting on-chain feels familiar to people who have never used a wallet.

A full-stack chat app on Groq's fast LLM API, with an Express back end that keeps the API key off the browser.
Doc Notary
Self-employed · Part-time
Dept. of Electrical Engineering, Sukkur IBA University
Clear Edge Technology
Vasona Systems International
Grouped by the kind of work they're for, with where I've used them.
3 years at Clear Edge Technology
Doc Notary, Voting dApp
5 journals upgraded 3.3 → 3.5
Groq Chat, course-outline automation
Software development and technical services, grounded in things I've actually built and run in production.
Web applications built end-to-end with React, Node.js, and a database that fits the problem.
Turning repetitive spreadsheet and file work into a script that runs itself.
Upgrades, plugins, email, HTTPS, and production troubleshooting for real OJS installations.
Smart contracts written, tested, and deployed with Foundry — plus the frontend that talks to them.
Wiring LLM APIs into real applications — chat interfaces, prompt handling, tool calling.
Send a video or audio file and get a private, reviewable report: speakers separated, every sentence scored for sentiment, hate speech and 50+ categories, each flag linked to the exact second.
Sukkur IBA University, Sukkur
Aug 2016 – Aug 2021Islamia Science College, Sukkur
2012 – 2014Whether you're looking for a developer, need help with a web application, automation, AI integration, or a blockchain project — or just want to talk technology — feel free to reach out.