Unopar
2019 - 2022
System and Analysis Development
Experienced Frontend Developer with a strong focus on building scalable and efficient web and mobile applications using modern JavaScript frameworks. Specialized in React.js, Next.js, and React Native, with a passion for delivering high-quality user experiences.
Mid-Level Front End Developer
Remote
Dec 2023 - Present
midway·Full-time
Reduced user onboarding time by 22%, increasing conversion rates in Riachuelo’s physical stores. Improved application performance by 18% through migration from Next.js 12 to Next.js 13.5.7. Refactored legacy components and hooks for improved maintainability and readability. Integrated RESTful APIs using BFF architecture, streamlining backend communication. Developed pagination and photo capture features with webcam and Honeywell device support. Implemented event tracking using Firebase Analytics, Google Analytics 4, and DataDog. Monitored logs and events in real time using DataDog. Increased test coverage with Jest and React Testing Library. Built digital account creation flow with dynamic validations using React Hook Form and Context API. Designed onboarding logic to support different customer types (new, existing, guaranteed limit). Restructured folder architecture and type mapping in the mobile codebase.
Junior Front End Developer
Remote
Aug 2021 - Dec 2023
midway·Full-time
Reduced onboarding time by 35% (from 14 to 9 minutes), enhancing customer conversion. Improved codebase stability through architectural improvements and reliable testing. Built scalable web applications using React.js, Next.js, and TypeScript. Created reusable UI components and documented them with Storybook. Wrote unit tests with Jest and React Testing Library. Implemented Server-Sent Events (SSE) for real-time data updates. Integrated RESTful APIs for multiple financial services. Participated in code reviews and continuous refactoring cycles. Migrated apps from Next.js 10 to 12, enhancing performance and security. Delivered responsive layouts using Styled Components and ensured consistent UX across devices. Built financial product simulators and dynamic forms for user interaction.
Front-End Trainee
Remote
Jun 2021 - Aug 2021
riachuelo·Internship
Completed intensive training focused on modern front-end development practices. Contributed to real Riachuelo projects using TypeScript, React, and Styled Components. Built reusable UI components and interactive forms with validation logic. Structured routing and navigation for web applications. Developed custom hooks to manage state and side effects. Participated in user testing sessions and peer code reviews.