Giovane Costa

Full-stack Engineer • RJ, BR

Ruby

Python

Javascript

Elixir

CSS3

PostgreSQL

Amazon Web Services

Vue.js

React

Terraform

Available for hire fromNegotiable

Full-Time Roles

15 years experienced Fullstack enginneer Jack of all trades

Full-stack Developer since 2008, i've started learning PHP by myself and taking freelancer jobs until get first full-time job in 2009. I've worked with Quero Bolsa which was a 4 million monthly views website built on top of Ruby on Rails and internal products @ Quero Educação using Elixir and Vue.js with Webpack, worked with Zé Delivery to deploy the first online payment on the plataform and with Hathor Labs team to develop the new explorer of Hathor Network blockchain. I've also worked as Devops managing hosting and e-mail servers (own servers (own server and AWS), DNS servers and firewalls. So i have a lot of experience with different technologies, environments and programming languages. *And 141 I.Q, points

Projects

Gelada Maps

The project was a MVP of a collaborative map showing beer prices and sales near the user. It was a complementary product for Zé Delivery (booze delivered at door). The team was composed by a Product Manager, a Designer and a Fullstack Dev (me). It was delivered in 6 weeks having automated deploy in AWS, using terraform and Next.js + Python + PostgreSQL with 90%+ test coverage.See More

Manual do Enem

A platform where teachers can post lessons and articles about subjectives required in ENEM (it´s like a country-wided unified school test to entry in public universities). It is made in Nuxt.js (running in concurrent threads) consuming an API in Elixir (phoenix) and Websockets for real time update (answer sheet provided after the test). MongoDB as database. Deploy was in terraform and destilery with AWS EC2 The project has been completed in 2 months with a 3 people team (me and 2 Jr. Devs)See More

Work History

Senior Software Engineer - E4

CartaFeb 2022 - Jan 2023 • 1 yrWorked first on self sign up pages team (step validation, documents signing, account activation, captable upload and verification) Lately working on captable editing tool team, creating a new experience focused on user productivity.

Web Developer

Zé DeliveryOct 2019 - Nov 2020 • 1 yr 2 mosIn Zé i was part of the team that develop the app used by the delivery person when it started to turn into a independent app for couriers to use, instead of just a tool. After that, i was in a new product team where we developed a entire new application in 6 weeks, Front, Back and AWS infra (i was the only dev in team). Unfortunately this new project had to stop because the pandemic started. So, with new demands knocking our door, i moved for the Payments team where we implemented the first version of online payment for our deliveries.

Full-stack Developer

Quero EducaçãoMar 2016 - Mar 2019 • 3 yrs 1 moStarted by maintain the old site fixing bugs, refactoring and improving performance (one of the firsts features i delivered improved all site performance about 70% and it was still used until i left). Moved to Marketing team where we created tools, most of them breaking the monolith into micro-services, for sending e-mails and integrate with ads services like Google and Facebook Ads for management and visualization with dashboards. After that i was in a new product team (Manual do Enem) where we develop a new site, still under querobolsa.com.br, using Nuxt.js (Vue.js), mongodb and Terraform for infra. And last team i was part of was responsible for develop and integrate tools for monitoring users activity and engagement, SEO, send relevant newsletter (by several communication ways) and track partners referrals to increase conversion. All this work is done in the main site (querobolsa.com.br) in Ruby on Rails, in micro-services with Rails and Phoenix (Elixir) and in a administration panel in Phoenix and Vue.js

Senior Software Engineer

Hathor NetworkApr 2021 - Sep 2021 • 6 mosDeveloped the new blockchain explorer architecture and the new pages

Web Developer

mLabsNov 2020 - Apr 2021 • 6 mosWorked on legacy monolith in Ruby on Rails

Principal Software Engineer

Addvertising.orgApr 2019 - Oct 2019 • 7 mosMigrate (from laravel to Ruby on Rails), develop new site style and develop addvertising.org website and infrastructure using AWS (EC2, Cloudfront, ELB, ECR, etc.). Also integrate with tracking tools, optimize performance and improve SEO.

Education

UFF - Federal Fluminense University

Bachelor's Degree, Computer ScienceAug 2010 - Aug 2012

UERJ - State University of Rio de Janeiro

Bachelor's Degree, Computer ScienceSep 2015 - Feb 2016

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