B.Sc. in Computer Engineering (Software)

Sajjad Yousefnia

Building robust software since 2014 — focused on static-first architecture, Astro, React islands, and fast, accessible web experiences. This is where I write down what I learn.

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Latest writing

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Testing the Pipeline

An end-to-end smoke test: this row, its image, and its blocks travel from Notion to the Astro build and out to the edge.

October 26, 2026
Hello from Notion

This post lives in Notion and is rendered by the Astro site at build time — the whole CMS pipeline, end to end.

October 26, 2026
The Astro Islands Playbook

A field guide to hydration directives: when to use client:load, client:idle, and client:visible.

October 20, 2026

Selected projects

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Asan Pay

Fintech

Iranian fintech service — wallet balance, product ordering and SIM top-ups, with customer apps and an admin panel.

PHP
Laravel
Java
Android
Flutter PWA

Live

LingoPal

Mobile app

English speaking-practice app — converse with an AI tutor, get corrections explained in Persian, then say it out loud.

Kotlin
Android
AI
Speech-to-Text

Google Play

Portex

Browser extension

All-in-one developer toolkit for Chrome & Firefox — HTTP client, WebSocket, SSH terminal, DNS lookup, JWT tools and more.

WXT
Preact
TypeScript
Node.js

Chrome Web Store

RotbeYar

EdTech platform

Konkur counseling platform — personalized weekly study plans, advisor sessions, progress analytics and a parent dashboard.

Flutter
Melos
Laravel
React
Vite