Frontend
React
TypeScript
JavaScript
HTML5
CSS3
Tailwind CSS
React Native
Zustand
Cordova
Available for Work
Hello, I'm
Steven Baltodano
Full Stack Developer & ITI Student at UTN Guanacaste, Costa Rica.
Full stack developer with a strong backend focus — building REST APIs, database-driven systems, and real-world applications with Node.js, Express, and PostgreSQL.
SB
Available for hire
5+
Projects Built
2+
Years Coding
10+
Technologies
Skills & Technologies
The technologies and tools I work with to build modern web and mobile applications.
Proficiency
JavaScript
90%
React
85%
Node.js / Express
80%
TypeScript
78%
PostgreSQL
75%
React Native
70%
Backend
Node.js
Express.js
PHP
Laravel
Java
REST API
Zod
Database
PostgreSQL
MySQL
SQLite
DevOps & Infrastructure
Microsoft Azure
Docker
Ubuntu Server
Windows Server
Pi-hole
Active Directory
Git
GitHub
Vercel
pnpm
Projects
Real projects built to solve real problems, using the tools I work with daily.
WhatsApp API Local
REST API built with Node.js that connects to WhatsApp Web via whatsapp-web.js, enabling programmatic messaging through simple HTTP endpoints.
CRM Restaurante Bastos
Customer management system for a local restaurant. Handles client registration, order tracking, and a dashboard to manage daily operations.
BackFrontend
Full-stack web application built with Laravel. Combines a PHP backend with Blade-rendered views, Eloquent ORM, and Vite for asset bundling.
Library Database System
Desktop application for managing a library's book catalog, loans, and user records. Built in Java with a relational database backend as a university project.
Azure Hybrid Infrastructure — UTN
Hybrid cloud infrastructure on Microsoft Azure for UTN, centralizing authentication, networking, and access control for students, faculty, and staff. Role: Security & Cloud Architecture Specialist.
Private
Let's Work Together
Have a project in mind or want to collaborate? I'm always open to new opportunities and interesting challenges. Let's build something together.