Hello I'am
Roberto Alonso
Senior Fullstack Developer MERN + SQL
A Senior developer mastering MongoDB (+ Mongoose).
React & state management Toolkit (RTK), Redux, Context, React Query.
I manage many packages Express-friendly like GraphQl, also API Rest. Next 15,14,13 Server and Client Side Rendering.
I master CSS, SASS, Styled Components (like this web) Tailwind (+ DaisyUI), MUI ...
I master SQL movieLists (+ Sequalize).
Browse my Github repositories and my Leetcode:
My skills
What I really master
Mongo & Mongoose
Senior Level
Expert in MongoDB without and with Mongoose
Node & Express
Senior Level
Using many packages Express-friendly like GraphQl, Stripe, Sockets.io, SendMail,
CSS
Senior Level
CSS Expert in Styled Components, Tailwind, SASS
React - Senior Level
Senior Level
Memory management: RTK, Redux, Contrext. Client cache: React Query. SPA Router, Hooks and custom Hooks
Next 15, 14, 13
Senior Level
I master this React framework for better performance
SQL & Sequalize
Senior Level
Expert in SQL movieLists like SQLite, MySQL, PostgreSQL,..
REST API & GraphQL
Senior Level
Expert in Backend APIs for web and mobile clients
React Native
Senior Level
Let me develop your mobile app with Native Base, Material Kit, React Native Elements
Typescript
Senior Level
A nice way to avoir flaws while developing
Testing
Senior Level
RTL, Jest, Mocha, Chai, Jest-dom
testimonials
what clients say
This software is a game changer! The features are incredibly rich and cater to all the needs of users. The interface is intuitive, and navigating through the different sections is a breeze. Whether you're a novice or an experienced user, this software will meet your needs.
Lyle Kauffman
Online seller
I’ve been using this software for a while, and the performance is absolutely seamless. The speed and responsiveness are top-notch, and I haven’t encountered any lags or glitches. The overall experience feels polished and well thought out.
Zahra Christensen
Shop Manager
One of the standout aspects of this software is its security features. It gives me peace of mind knowing my data is safe. I’ve never experienced any crashes, and the stability is impressive. You can tell that a lot of care went into the development process.
Liam Hood
warehouse manager