Hey, I'm Leo Alvarenga!

From concept to cloud craftingresponsive, production-ready webapps

> Experience

Software Engineer @FITec Labs

Aug, 2025 - Present
Belo Horizonte, Brazil
fitec.org.br

Implementation of Infrastructure as Code (IaC) using Terraform, automating environment provisioning and version control, resulting in a reduction of manual setup time from 4 hours to just 20 minutes; . Development of Helm Charts for deployments in Kubernetes, ensuring standardization and consistent management of services across development, staging, and production environments; . Engineering and optimization of interfaces in React and TypeScript for corporate Geographic Information Systems (GIS), focusing on performance improvements and reducing load times for large data volumes; . Acted as a technical reference in DevOps and Front-end areas, establishing development best practices and ensuring software architecture scalability.

TypeScript React.js TailwindCSS Storybook.js PostgreSQL Bash Docker Kubernetes Helm

Front-end Software Engineer (React/TypeScript) @Vetta

Mar, 2023 - Jul, 2025
Belo Horizonte, Brazil
vetta.digital

Development of Viridis NG, a web application ecosystem focused on optimizing energy and material consumption in the steel industry, serving more than 8 globally scaled industrial plants. Engineering high-performance features and components for the internal Design System, emphasizing standardization and reuse by multiple teams across different projects. Architecture and maintenance of REST APIs with Node.js and Express, including endpoint documentation and the definition of versioning strategies to ensure service integrity. Refactoring and optimization of critical modules, applying design patterns to ensure code scalability and maintainability. Ensuring technical parity and international collaboration, acting at the interface between complex industrial requirements and the delivery of high-availability software.

TypeScript React.js Antd styled-components Storybook.js PostgreSQL Bash Node.js Express

> Skills

> Projects

leoalvarenga.dev Active

Latest version of my personal web page, made using Astro.js

#Front-end
Astro.js TailwindCSS TypeScript JavaScript

Calculadora CR Archived

A simple CR & CRA (brazilian GPA counterpart) calculator

#Front-end
React.js JavaScript CSS

Guia do universitário Archived

A simple MERN stack blog that aims at providing relevant info to uni students

#Front-end#Back-end
React.js MUI JavaScript Node.js Express

To Go Archived

A powerful, lightweight and reliable CLI based to-do tracker capable of serving a web front-end locally

#Front-end#Back-end
HTML CSS JavaScript Go

svelte-leoalvarenga.dev Archived

Reworked version of my personal web page using SvelteKit (1.20)

#Front-end
Svelte SvelteKit TailwindCSS TypeScript

bej Archived

A small and dead simple web app template based on an API Rest built using Bun and ElysiaJS that serves static pages with internalization without overhead.

#Back-end#Front-end
Bun TypeScript

Contact me!

Available for new challenges
English 🇺🇸