Skills | Lejel Matienzo

My skills .

JavaScript

TypeScript

React

React Native

Next.js

Node.js

Express.js

HTML

CSS

Tailwind CSS

MongoDB

MySQL

SQLite

Firebase

C++

Java

Arduino

Docker

Heroku

Linux

Git

Blender

My services .

Practical services for students, small businesses, and personal projects — from hardware builds to the websites that go with them.

Hardware & Firmware

Arduino-based systems — RFID readers, sensors, and embedded devices wired up and working reliably.

Web Portals & Dashboards

Next.js and React apps backed by databases like MongoDB, MySQL, or Firebase, for managing and displaying real data.

Landing Pages & Websites

Clean, responsive websites for schools, small projects, and personal brands.