Portfolio

I selected a few projects I've worked on to show you. Some projects have contract constraints so that I won't be showing them. I played the role of Frontend and Backend developer in all of them, sometimes in time, sometimes on my own.

Lillio's Observations Project: 2024

Lillo's Observations

At Lillio, I served as both the tech lead and full-stack engineer for the Observations project, developing a comprehensive feature using Ruby on Rails, ReactJS, React Native, PostgreSQL, and AWS. I managed the integration of a robust backend with a dynamic frontend to enhance functionality and mobile integration. More info here.

Lune: 2023

Conserve Piso

Payment management system for Cappta getway. This project was done in dotnet core, MSSQL Server and VueJS.

Ideallang English: 2022

Ideallang

English Course website made in WordPress and using a MySQL database (in partnership with another engineer).

Posto7: 2021

Ideallang

Nutrition application made with ReactJS, Firestore DB, and Firebase. My main attribution was to build an admin portal for the back office team

PSMI: 2020

PSMI

(Work in maintenance) Education platform containing a bunch of curses in Brazil, written in Ruby on Rails, PostgreSQL, Express JS, Google Cloud Functions, and AWS. I was responsible for upgrading Ruby and Rails versions, as well as transitioning the cloud infrastructure from GCP to AWS.

Mangue Tecnologia: 2020

Mangue Tecnologia

(Work in maintenance) An educational platform offering a variety of courses in Brazil, developed using Ruby on Rails, PHP, JavaScript, and MySQL. I built several eCommerce websites, enhancing user experience and functionality.

Chefstrela': 2019

Ideallang

Gastronomy E-commerce made in WordPress and using a MySQL database (in a partnership with another engineer and a designer)

Casa Roberto Marinho: 2018

ICRM

Content management system with Ruby on Rails, MySQL, and JQuery. Cultural and educational business.

Kariri Sapuyá: 2018

Kariri Sapuyá

Digital archive combined with a content management system for storing and : was delivering historical documents about South American Native peoples in Northeast Brazil. It is made with Ruby, Ruby on Rails, ElasticSearch, JQuery, MySQL, and MongoDB.Link to the web app: Kariri Sapuyá.

Perceive: 2017

Perceive

Automated tool for extracting useful information about vulnerabilities from mailing lists. It includes a series of solutions, including Python Jupyter Notebooks, a Flask server, and a MySQL database. More info here.

Conserve Piso: 2017

Conserve Piso

A web system developed using PHP, MySQL, and jQuery, designed to streamline the management of flooring projects. This system replaces traditional methods with a digital platform that enhances efficiency and accuracy.

DPMS (Digital Management System): 2015-2017

DPMS

System constructed with Ruby on Rails, MySQL, JQuery, and Telerik Kendo. It aims to manage all steps of an industrial project, replacing common spreadsheets with sophisticated, customizable, and reliable resources. See more info: See more info: Oxeanbits.

Portuguese Atlantic (Portuguese Name: Atlântico Português): 2014

Portuguese Atlantic

Content management system made with Ruby on Rails, PostgreSQL, JQuery, and ElasticSearch. It is an application to manage and search content in a digital historical archive, which is also uploaded within the CMS. Link to the web app: Atlântico Português.

About me

Hey! I'm a senior full-stack software engineer, Vinicius L. Gesteira (aka Vini). Since 2014, I've worked with web development (mainly Ruby, Ruby on Rails, Rust, Solidity, Node JS, Docker, AWS, React, and Svelte), machine learning, web scraping, Python scripts and other related fields. If you are interested in more details, please check out my LinkedIn and GitHub.