Full Stack Web Developer
Current- Performance Optimization: Reduced the response time of database queries by 20% through query optimization and efficient indexing.- Improvement of React Native Applications: I increased screen loading speed by 30% using techniques such as lazy loading, memoization and rendering optimization.- Monitoring and Stability: Used tools like Sentry and New Relic to identify and resolve performance and stability issues in less than 2 days.- Test Coverage: Developed and maintained unit and integration tests, ensuring more than 85% coverage for Ruby on Rails applications and between 90% and 100% for React Native, using RSpec and Jest.- Secure Authentication: Implemented authentication based on JWT and OAuth tokens, improving application security.- Team Collaboration: Collaborated with cross-functional teams to define and implement new features, resulting in a 15% increase in user satisfaction.- Reusable Styles: I used Styled Components and Tailwind CSS to create consistent and reusable styles, reducing development time by 30%.- Application Publishing: Managed the process of building and publishing React Native applications on the App Store and Google Play.- Database Modeling: Modeled relational databases (PostgreSQL) using ORMs such as Active Record.