Kelvin Firmino
Ruby on Rails Lead Software Engineer at energyX Solutions Inc.- Claim this Profile
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Portuguese Native or bilingual proficiency
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English Professional working proficiency
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Bio
Jason Stoll
Kelvin is a strong, supportive and technical leader. He is talented in both planning and execution of advanced software technologies both front-end and back-end. Beyond his excellent planning and attention to detail, he is supportive and nurturing of his colleagues skills and talents that helps ensure not only a great team dynamic, but also high quality delivery of product outcomes. I fully endorse Kelvin for his skills, talents and professionalism. He is a valuable asset to any technical team or project.
Jason Stoll
Kelvin is a strong, supportive and technical leader. He is talented in both planning and execution of advanced software technologies both front-end and back-end. Beyond his excellent planning and attention to detail, he is supportive and nurturing of his colleagues skills and talents that helps ensure not only a great team dynamic, but also high quality delivery of product outcomes. I fully endorse Kelvin for his skills, talents and professionalism. He is a valuable asset to any technical team or project.
Jason Stoll
Kelvin is a strong, supportive and technical leader. He is talented in both planning and execution of advanced software technologies both front-end and back-end. Beyond his excellent planning and attention to detail, he is supportive and nurturing of his colleagues skills and talents that helps ensure not only a great team dynamic, but also high quality delivery of product outcomes. I fully endorse Kelvin for his skills, talents and professionalism. He is a valuable asset to any technical team or project.
Jason Stoll
Kelvin is a strong, supportive and technical leader. He is talented in both planning and execution of advanced software technologies both front-end and back-end. Beyond his excellent planning and attention to detail, he is supportive and nurturing of his colleagues skills and talents that helps ensure not only a great team dynamic, but also high quality delivery of product outcomes. I fully endorse Kelvin for his skills, talents and professionalism. He is a valuable asset to any technical team or project.
Credentials
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Rails 4 Patterns
Code SchoolOct, 2016- Nov, 2024 -
Surviving APIs with Rails
Code SchoolSep, 2016- Nov, 2024 -
Git Real
Code SchoolJul, 2016- Nov, 2024 -
Git Real 2
Code SchoolJul, 2016- Nov, 2024 -
Mastering GitHub
Code SchoolJul, 2016- Nov, 2024 -
The Magical Marvels of MongoDB
Code SchoolJul, 2016- Nov, 2024 -
The Sequel to SQL
Code SchoolJul, 2016- Nov, 2024 -
Try SQL
Code SchoolJun, 2016- Nov, 2024 -
Blasting Off with Bootstrap
Code SchoolApr, 2016- Nov, 2024 -
Rails 4: Zombie Outlaws
Code SchoolApr, 2016- Nov, 2024 -
Shaping up with Angular.js
Code SchoolApr, 2016- Nov, 2024 -
Staying Sharp with Angular.js
Code SchoolApr, 2016- Nov, 2024 -
Rails Testing for Zombies
Code SchoolMar, 2016- Nov, 2024 -
Ruby Bits
Code SchoolFeb, 2016- Nov, 2024 -
Ruby Bits Part 2
Code SchoolFeb, 2016- Nov, 2024 -
Rails for Zombies 2
Code SchoolJan, 2016- Nov, 2024 -
Rails for Zombies Redux
Code SchoolNov, 2015- Nov, 2024 -
Testing with RSpec
Code SchoolNov, 2015- Nov, 2024 -
Try Git
Code SchoolNov, 2015- Nov, 2024 -
Try Ruby
Code SchoolNov, 2015- Nov, 2024 -
SEDCITEC 2015 - Lecturer of a mini course: File Versioning with Git
Instituto Federal de Educação, Ciência e Tecnologia de São Paulo (IFSP)Sep, 2015- Nov, 2024
Experience
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energyX Solutions Inc.
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Canada
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Software Development
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1 - 100 Employee
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Ruby on Rails Lead Software Engineer
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Mar 2018 - Present
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Hub Fintech
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São Paulo Area, Brazil
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Ruby on Rails Analyst Programmer
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Jan 2017 - Nov 2017
Hub Fintech is a company specialized in the prepaid segment in São Paulo, Brazil. During this job, it was performed the following duties: Developing and modifying/updating systems using technologies, such as Ruby, Ruby on Rails, Git, Stash (Corporative Bitbucket), HTML, CSS, Javascript, Jquery, MySQL. Integrating applications using HTTP requests, applying the REST architecture. Adding automated tests using RSpec and Capybara. Demanding management with queues like RabbitMQ and Sidekiq; Identifying and resolving processes and/or code problems, informing the project manager responsible when necessary; Instructing the Git best practices, managing and supporting the projects that use it. Resulting in agility in the delivery process of activities to the real environment (production); Using Agile Methodology like Scrum for better management of activities and Jira as an incident management software. Summary of technologies used: Languages: Ruby, Ruby on Rails, RSpec JavaScript, JQuery, HTML, CSS Database: MySQL, SQLite Operating System: Linux Version Control: Git Hosting platform for version control: Stash (Bitbucket corporative) API architecture: REST Demand management queues: Sidekiq, RabbitMQ Agile methodology: Scrum Incident management software: Jira Show less
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Fundação Cásper Líbero
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Brazil
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Entertainment Providers
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100 - 200 Employee
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Ruby on Rails Developer
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Aug 2015 - Apr 2016
Fundação Cásper Líbero is a powerful company in São Paulo, Brazil who manages a vast media conglomerate which are TV Gazeta, Radio Gazeta AM, Radio Gazeta FM, the website "Gazeta Esportiva.net" and the College of Social Communication Cásper Líbero. One of its segments is a Sports Portal and TV Channel called TV Gazeta where I worked. My role in this firm was to develop a new project and features to its Sports Portal, developing a new RESTful application and automatized tests with Ruby on Rails. The project was about consumed a third-party API and store soccer matches narration to be served in an internal application. To accomplish this goal, was used Ruby on Rails as a back-end language, RSpec to create automated test, MySQL as database, and HTML, CSS, JavaScript as front-end technologies to display the API data stored. Summary of technologies used: Languages: Ruby, Ruby on Rails, RSpec JavaScript, JQuery, Angular HTML, CSS Database: MySQL, SQLite Operating System: Linux Version Control: Git Hosting platform for version control: Bitbucket, Github API architecture: REST Agile methodology: Scrum Show less
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PHP Developer
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Jul 2013 - Aug 2015
Duo System is company specialized in the development of management softwares for health organizations. My role was developing and maintaining the company web applications to its Government’s Public Hospital Systems of the states of São Paulo and Rio de Janeiro in Brazil. Summary of technologies used: Languages: PHP HTML, XHTML, CSS Javascript, JQuery Database: SQL Server, MySQL Operating System: Windows and Linux Version Control: Git, Subversion Hosting platform for version control: Gitlab (corporative) Show less
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Web Developer
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Jul 2012 - Jun 2013
MOV Produções Culturais is company who manages artists career, administrating studios and theaters, and also broadcasting show and events in São Paulo, Brazil. My role in this company was to maintaining and create new features to its websites using PHP as back-end language, SQL Server and MySQL as databases, and HTML, CSS and Javascript as front-end language. Summary of technologies used Languages: PHP HTML, XHTML, CSS Javascript, JQuery Database: SQL Server, MySQL Operating System: Windows Show less
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Education
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Faculdade de Tecnologia de São Paulo
Analysis and System Development -
Faculdade de Tecnologia de São Paulo
Digital Games