Khalil ALyacoubi
Full-Stack Software Engineer
I don't trust what a report claims — I trust what I've measured against it.
If I haven't run the benchmark, the number doesn't exist yet.
The fancy architecture has to earn its keep, or I ship the boring one
A system that can't tell you what it's still uncertain about isn't done.
UX problems are engineering problems too
Field Notes
Opening app...
6.4×
Throughput improvement
Load-tested before launch. 80% failure under concurrent load → 0% timeouts, zero double-bookings.
Open To REMOTE
Full-time or freelance
Palestine (UTC+3)
Hermosa
production salon booking
An advanced booking & operations platform built for a women's salon.
Flashsale System
A backend for flash sales thousands of buyers, limited stock,one second. Built twice: synchronously, then queue-based.
TypeScript
Next.js
React
Node.js
Express.js
PostgreSQL
MySQL
MongoDB
Redis
Sequelize
Docker
PM2
Python
PHP
Tailwind CSS
Git@lousin/ FormEngine
A validation library for handling structured form schemas in React.
+400
Students Taught
Led hands-on Advanced Python labs at IUG.
Lousin
multi-tenant Discord-bot SaaS, co-founded and engineered.
Replaced 10+ fragmented dashboards and command-line interfaces with a single Unified Abstraction Layer. This project solves the 'fragmentation fatigue' that leads to high support ticket volume and operational inefficiency.
Hiring for a role?
View Resume