Hi, I'm

Arnaldo Liro

About me

My Journey

2022

Started my Science and Technology degree at UFBA

Began my studies and fell in love with programming.

2023

Joined TITAN, the Computer Engineering Junior Enterprise at UFBA

Started as an External Relations trainee — my first contact with the junior enterprise world.

2024

Became a full stack developer at TITAN

REST APIs with NestJS and Express, PostgreSQL through Prisma, React/Next.js frontends and deployment with Docker and AWS.

2024

Undergraduate Research at UFBA and Product Owner of DRE Metrics

Built the web platform for the NOUS research group and led DRE Metrics, an app that became a success story in Bahia.

2025

President of TITAN

Led a team of more than 60 people and headed the organization of SIMTech 2025, with over 500 registered attendees.

2025

Java Developer at Santa Casa da Bahia

Maintained legacy systems, worked on microservices and handled production incidents over SSH in Linux environments.

2025

Junior Developer at Sudoeste Informática

Currently working with SQL Server, integrations with Brazilian government APIs (PNCP) and maintenance of management systems in production.

My Skills

Frontend Development

HTML5

CSS

JavaScript

React

Next.js

Tailwind CSS

TypeScript

Vue.js

Backend Development

Node.js

Express

MongoDB

PostgreSQL

GraphQL

REST APIs

Python

NestJS

Java

SQL Server

Prisma

TypeORM

Redis

Swagger

PHP

DevOps

Docker

CI/CD

AWS

Google Cloud

Other Skills

Git

Scrum

SEO

Microservices

Jest

Linux

Kali Linux

Canva

Figma

Excel

My Certificates

Courses and recognitions that shaped my journey.

Santander Coders

Back End Bootcamp

Santander Coders

2024.1

Achievements

Bronze Medal

Brazilian National Science Olympiad (ONC)

My Projects

Take a look at some of the projects I've built throughout my career.
Each one represents a unique challenge and a chance to learn something new.

Backend - Microservices Architecture

Backend API built with NestJS using a microservices architecture, with database, messaging and frontend integration.

NestJS

TypeScript

Docker

TypeORM

Form Submission Automation

Automated script to collect, process and send form data to external systems efficiently.

Python

Excel

Personal Portfolio

My personal website built with Next.js, Tailwind CSS and animations, showcasing my projects and skills.

Next.js

Tailwind CSS

TypeScript

See more on GitHub

Contact me

I'm always open to new opportunities and collaborations. If you have an interesting project or just want to chat, feel free to send me a message!

Send a message

Contact Information

Email

dinholiro@gmail.com

Phone

+55 71 98668-8603

Location

Salvador, Brazil

Social Media