Hi, I am
Fredy Velasquez
Computer Science Engineer and Full-Stack Developer
I build digital products and have a strong interest in technology, software development, and engineering. I’m also passionate about open source, writing, traveling, and sports.
Featured Projects
Personal ProjectGuateLive — Local Discovery Platform for Guatemala
Live discovery platform for restaurants, cafés, and bars in Guatemala, combining an editorial voice with AI-driven data pipelines: automated tagging agents, web scrapers, and Google Places API integration.
- Next.js 15
- TypeScript
- Tailwind CSS
- shadcn/ui
- Supabase
- PostgreSQL
- Vercel
- GitHub Actions
- Anthropic Claude API
- Google Places API
Professional ExperienceTelus SmartHome+ — Smart Home Mobile App
TELUS's consumer smart home app — video security with AI detection, home automation, and SmartEnergy monitoring — where I contributed mobile features as a Senior Software Engineer.
- React Native
- TypeScript
- Kotlin
- Java
- Spring Boot
- AWS
Professional ExperienceTelus Tenant Portal — Internal Smart Home Support Platform (Web)
Internal enterprise web platform used by TELUS support agents in Canada, Central America, and India to diagnose and manage the SmartHome+ device ecosystem across millions of connected homes.
- React
- TypeScript
- Material UI
- TanStack Query
- Kotlin
- Java
- Spring Boot
- AWS Lambda
- DynamoDB
- OpenSearch
- Docker
- Terraform
Professional ExperienceQuizzes Usac — Interactive Quiz Mobile App
React Native companion app to the Quizzes Usac course platform, letting students practice course concepts through interactive quizzes, track their progress, and reinforce learning anytime from their phone.
- React Native
- TypeScript
- Kotlin
- Java
- Spring Boot
- AWS
Professional ExperienceVirtual Tech GT — Educational E-Commerce Platform
Full-stack educational e-commerce platform for digital course sales, built with React, TypeScript, Kotlin, Java, Spring Boot, and Node.js, driving a ~40% increase in course sales.
- React
- TypeScript
- Kotlin
- Java
- Spring Boot
- Node.js
- PostgreSQL
- DynamoDB
- Redux
- AWS
- Stripe
Professional ExperienceWarava — PropTech Real Estate Platform
A PropTech web platform built in partnership with Hogares ISN, one of Guatemala's largest residential real estate companies, letting buyers search, compare, and evaluate homes, apartments, and offices online.
- React
- Bootstrap
- Python
- Django
- FastAPI
- Figma
- Jira
- Bitbucket
Personal ProjectAR Payment App
Full-stack AR-powered payment application built with React Native, Expo, and the MERN stack. The application combines immersive augmented reality experiences with secure payment processing and real-time transaction management.
- React Native
- Expo
- Express JS
- Node JS
- Firebase
- Mongo DB
- Axios
- Viro JS
- PostgreSQL
- Cypress
Personal ProjectHeroes App - Search & Favorite Superhero Characters
Modern React application for searching and managing favorite superhero characters. Built with React 19, React Query, React Router v7, and Tailwind CSS. Features real-time search, optimized data fetching with caching, and favorite management using Context API.
- React 19
- React Query
- React Router v7
- Tailwind CSS
- TypeScript
- Vite
- Radix UI
- Axios
Personal ProjectCalendar
Full-stack calendar application built with the MERN stack, featuring a modern React frontend and a robust Node.js/Express backend API.
- React 18
- Node JS
- Express JS
- Mongo DB
- Redux Toolkit
- React Redux
- Vite
- JWT
Personal ProjectPortfolio + Personal Blog
Personal website built with Next.js. Includes a blog with Markdown support and syntax highlighting, automatic deployment via GitHub Actions, deployed on Vercel. Redesigned with Claude Code.
- Next.js 13
- React 18
- CSS Modules
- Markdown
- GitHub Actions
Featured Posts
My whole (or nearly whole) trip to Argentina
In this post, I'll share the highlights of my trip to Argentina and the thoughts I had throughout that time.
Getting Started with NextJS
NextJS is a the React framework for production - it makes building fullstack React apps and sites a breeze and ships with built-in SSR.
Mastering JavaScript
JavaScript is the most important programming language for web development. You probably don't know it well enough!