Hey there! I'm Heloísa Santos =)

Software developer

Helisa picture

About Me =)

Hello! I'm Helô, and since I was little, I've been completely passionate about technology. Currently, I'm studying Information Systems at FIAP, and my main goal is to become a software developer, focusing on mobile Android development. I've always been someone who loves studying and learning new things. At the age of 12, out of pure curiosity, I discovered the developer mode on my phone and was fascinated by what I could do. That's when I started to understand what programming truly is and I never stopped!

When I was a kid, I spent hours playing Club Penguin and imagined creating something as amazing as it on the computer. Today, my biggest goal is to create something that people can use every day. Outside the tech universe, I am an artist: I take ballet and contemporary dance classes, and I love painting. And of course, I am a fan of cafes – always on the lookout for a good coffee, a chocolate cake, and a quiet place to study or relax.

Check out the drive with my certificates in the button below:

Certificates

Projects

This section showcases some personal and academic projects completed during my education. They cover topics such as programming logic, data analysis, data structures, and other essential areas of software development and IT.

GIF showing the Couple Cookies website
Couple Cookies

Landing page for the artisanal cookie shop Couple Cookies, developed as a freelancer. This is the portfolio version.

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GIF showing the memory game
Memory Game

Memory game inspired by the series "Alchemy of Souls", developed with JavaScript and thematic design.

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GIF showing the Alerta Ribeirinho app
Riverside alert

App created during college to support communities in emergencies. The project earned a top grade. Developed with Flutter.

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GIF showing the anonymous professional platform app
Anonymous Professional Platform

College challenge: anonymous social network focused on networking and professional venting. Developed with Flutter.

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GIF showing Robot Dojo Fighter game
Robot Dojo Fighter

Local multiplayer game in JavaScript. Two players compete and there is a theme music.

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GIF showing event manager app
Event Management

College project: a REST API in Java Spring Boot with microservices and in-memory database.

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GIF showing Alura Plus website
Alura Plus

Site inspired by Alura+, with responsive HTML/CSS and modern interface. Project developed throughout the course.

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GIF showing Mega Sena lottery app
Mega Sena Lottery Generator

Flutter app that generates random combinations for Mega-Sena lottery.

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GIF showing Kotlin Tetris app
Tetris

Tetris in Kotlin with soundtrack via API and classic gameplay.

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GIF showing doctors management app
Doctors Management

CRUD in Java with MVC pattern to manage doctors and appointments, runs locally with servlets.

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GIF showing Super Quiz game
Super Quiz

Python game that uses questions from Open Trivia DB via API. Uses Tkinter interface and tech questions.

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Handmade robot with wooden base, purple LEDs lit and colored paper structure, on a table with a brick wall background.
Asteri Project

First-year college project: I built a robot that pops balloons and created the project website. It was a full experience that strengthened teamwork and technical skills.

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Confusion matrix with two classes: 'Will Stay' and 'Will Leave'. Shows 113 correct predictions of 'Will Stay', 14 correct predictions of 'Will Leave', 6 errors where 'Will Stay' was predicted as 'Will Leave', and 14 errors where 'Will Leave' was predicted as 'Will Stay'. The cells are shaded in blue tones, with darker colors indicating higher values. There is a color scale bar on the right.
Employee Turnover Machine Learning Model

Project analyzing factors of employee turnover and using Machine Learning to predict employee departures, including EDA, data preprocessing, and model optimization.

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Screen with black background and abstract purple and pink shapes on the sides, with the text 'Predictly' in the center and the phrase 'Data in precise offers, always at the right time' at the bottom right corner
Rock New Venues Hackathon

My team created and prototyped Predictly, an AI system that sends personalized offers at the ideal moment, focusing on CX.

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GIF showing the Natura Spring app
Natura Spring

Second-year challenge in partnership with Natura, this project was the first application integrating Java and database.

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GIF showing the notebook with the analysis code
Titanic Exploratory Analysis

Exploratory data analysis on Titanic passengers. Using Python, I analyzed the data to find trends among survivors and created visualizations to illustrate the findings.

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