I worked as a Growth Engineer at RD Station, utilizing Ruby on Rails, React, and JavaScript in a FullStack environment.I implemented and validated experiment hypotheses in RDStation Marketing, the leading digital marketing SaaS in Latin America, focusing on customer retention and achieving semi-annual revenue goals. I collaborated with the product team (PM and Designer), studying the user journey and identifying areas for improvement. I conducted experiments in controlled groups and, upon validation, implemented changes as features for the entire customer base.**Technical Skills:**Ruby on Rails, JavaScript, React, Unit Testing, Documentation, REST, APIs, HTTP Requests, HTML/CSS, Docker, CI/CD, Git, Linux

I was a member of a team dedicated to providing automated services for various companies, including Smartfit, Blu, and Estácio, among others. My primary responsibility was to develop daily scripts to automate routines according to client requests.I developed daily scripts to automate routines as requested by clients, using REST and SOAP for integration with APIs from renowned companies such as Smartfit, Blu, Estácio, and Carrefour. I consistently used Redmine to manage all tasks and track project progress, ensuring efficient service delivery.I actively engaged in client support, handling ticket creation and implementing specific changes for the employee identity management system (IAM). I created improvements in client systems by developing customized solutions according to their specific needs.**Technologies Used:**Ruby, Ruby on Rails, REST, SOAP, Git/GitHub, Buddy CI, HTML, CSS, JavaScript, RSpec (for automated testing)

I started as a Junior backend developer and, after gaining experience with the product, I was promoted to Mid-level Developer in the Email team based on Locaweb's career plan. I created new features, executed automated tests (using Selenium IDE) and unit tests, resolved bugs, and actively participated in Scrum ceremonies.I contributed to the final phase and the successful launch of the new product EmailGo, assuming ongoing maintenance and update responsibilities in collaboration with my Squad, delivering tasks for both backend (Ruby on Rails, PHP) and frontend (HTML, CSS, JS).I mentored new team members, taking on additional responsibilities during my first year at the company. I also led team ceremonies such as Task Splitting and daily stand-ups, wrote detailed documentation, and actively participated in resolving production bugs.I gave a presentation on behalf of the company for a podcast, along with the Tech Lead and PM of the development team.**Technical Skills:**Ruby on Rails, JavaScript, PHP, Unit Testing, Documentation, REST, APIs, HTTP Requests, HTML/CSS, Docker, CI/CD, Git, Linux, MySQL, TDD (RSpec), Capybara, Selenium IDE

CNPq Scholarship - I conducted scientific research on non-intrusive eye tracking aimed at developing a low-cost eye tracker prototype. In this research, I independently learned the Python language and its libraries, utilizing OpenCV, DLIB, PyGame (among others) to carry out the development phase of my research. The main goal was to enable a person with reduced mobility to control the mouse cursor with eye movements.This research was presented at the following conferences:CONICT (Congress of Innovation and Technology at IFSP) in SorocabaSICLN (Seminar of Scientific Initiation of the North Coast) in Caraguatatuba

I was responsible for maintaining computers at schools within the Caraguatatuba municipality as part of my professional duties