* APLYiD is “A company specialising in the regulatory requirements for ID verification & Anti Money Laundering…”* Working with a team of 6 people I mentored juniors and helped with general debugging and troubleshooting sessions* Introduced to the team the best practice of automated testing, code quality, and CI/CD development* Suggested improvements to the deployment workflow and agile practices* Kept the code base up to date with latest dependencies

"Circle produces a complete Point of Sale, stock management, and online sale solution for booksellers. It is ideal to setup a POS machine in store and/or to create a presence online, but don’t want the hassle of managing a website and the independently"I am working with other 8 developers using Ruby on Rails for the API and Vue.js for the frontend.Achievements:* I am working with other 8 developers using Ruby on Rails for the REST API and Vue.js for the next… Show more "Circle produces a complete Point of Sale, stock management, and online sale solution for booksellers. It is ideal to setup a POS machine in store and/or to create a presence online, but don’t want the hassle of managing a website and the independently"I am working with other 8 developers using Ruby on Rails for the API and Vue.js for the frontend.Achievements:* I am working with other 8 developers using Ruby on Rails for the REST API and Vue.js for the next frontend* I was able to bring back to the company culture: writing automated test, code review, code quality, daily meeting and the idea of a team; Introduced new tools to best interact with the team* Helped to restructured and optimize the workflow to deliver code from development to productionSetup Continuous Deployment for servers (Google Compute Engine & Kubernetes) using CI* Migrated 110GB files from a self-hosted server to Google Cloud Storage* Restructured the way to use Vue.js & Ruby on Rails, speeding up the use of Vue.js in production* Speed up 1+ year ongoing migration from Ruby on Rails 3 to 4 (using nginx to proxy part of the clients to the new version); and setup an easier way to migrate from Rails 4 to 6 (using the “same branch” approach) Show less

• Qotient is startup with a team of 5 developers. Its software is a Digital Sales Analytics platform that helps companies drive cost out of and insightinto their sales channel• In charge of the backend development using Ruby on Rails, PostgreSQL, RSpec/BDD, Git, CI, and Graphql• Managed to increase the coverage of the app from 3% to 40%

• Codeminer42 is a large leading software development boutique. Working with small and big companies in Brazil and USA to deliver the products users need with quality-driven development• Responsible to contact client and manage, plan, and develop the tasks• Worked in self-managed teams in new and recover projects• Stack: Ruby on Rails, PostgreSQL/MySQL, RSpec/BDD, Git, CI

• Scoola is small company that aims to create an educational platform to help teachers to create interactive activities and reinvent classrooms• I started building the management platform, and later (because the lack of Javascript developers) moved on to build games web using Javascript• Using Ruby on Rails, PostgreSQL, RSpec/BDD, Git, CI, and later Javascript (pre-ECMAScript 6)

• Hite had just opened as a software house, its project were more rescue/recover projects• The company size was 7 all developers• Using Ruby on Rails (new and very old versions), PostgreSQL, RSpec/BDD, Git, CI

• IntegraGRP is a company dedicated to create Public Administration software• Using Ruby on Rails, PostgreSQL, RSpec/BDD, Git, CI• Worked in teams with extensive knowledge about Ruby, Ruby on Rails, and BDD

• S/A Propaganda is a marketing and advertisement company with all types of clients• Using Ruby on Rails, PostgreSQL, RSpec/BDD, Git• I managed to create small websites in a short amount of time• Worked by contract in software projects by myself but not directly in contact with clients

• Contacting and supporting clients directly as the only developer and consultant of company’s software sector

• Government owned company responsible for blood transfusion process in the State• Using Ruby on Rails (without migrations), PostgreSQL, Git• One of the two developers working with a team leader/DBA• Worked on an internal software meant to control the provision and distribution of medicine products

My main task in this jobs was to fix hardware issues and manage a proxy linux server.As a side project I also developed a ticket system to take notes of issues fixed and common mistakes.

MedImagem is one of bigger private hospital in Teresina - PI.I worked as an trainee to learn the company's solutions and know about common mistakes of new users.I was prepared to my next job at DMI.