Backend Developer at GrafenoI have worked at Grafeno since the company's inception, significantly contributing to the development of new products and overall system maintenance. My role spanned from conception to product delivery, focusing on backend development using Ruby on Rails (RoR) and best practices, such as automated testing with RSpec and Capybara.Key Responsibilities and Contributions:Fullstack Development: Worked as a fullstack developer on various occasions, applying JavaScript with jQuery on the frontend and visually structuring with CSS/HTML.Payment Platform: Fully participated in building the payment platform, including PIX, TED, TEF transactions, bills, charges, payment splits, and subscriptions.Financial Projects: Contributed to areas such as billing, minutiae, reports (CSV, PDF, Excel), access control, and security.Innovation and Improvement: Reduced data import time from 60 hours to 40 minutes in a large-scale project.Company Culture: Recognized as a "Partner" through stock options for contributing to the company's positive culture.Tools and Technologies:Backend: Ruby on Rails (RoR), RSpec, Capybara, PostgreSQLFrontend: JavaScript, jQuery, CSS, HTMLVersion Control: Git, continuous integration (CI)Task Management: JiraTeamwork and Leadership:Collaborated closely with multidisciplinary teams, recognized for performance with promotions and salary increases.Acted as a tech lead on several occasions, leading development teams.Excelled in quick and efficient hotfix resolutions, frequently praised for these contributions.During my years at Grafeno, I had the opportunity to be part of a dynamic and innovative environment, always striving for continuous improvement and excellence in software development.

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