Vitor Miranda

Senior Frontend Developer @Asics Apps

London, ON, CA

Designed, developed, and maintained performant, scalable web applications using React, Remix-Run (SSR), Vite, and modern front-end architecture patterns, resulting in improved user responsiveness and reduced time-to-interactive- Collaborated closely with cross-functional teams including designers, backend developers, and QA to deliver high-quality features in Agile sprints using tools like Jira for planning, estimation, and task tracking- Consumed REST and GraphQL APIs, implementing robust state management with Redux and XState, increasing code efficiency and minimizing data-fetching overhead- Championed frontend application testing using Jest, Vitest, and React Testing Library, consistently meeting code coverage standards and ensuring quality and reliability across complex UI workflows- Developed and maintained comprehensive component libraries and technical documentation using Storybook, enabling seamless reuse and consistent design patterns across multiple teams- Delivered pixel-perfect, accessible, and responsive UIs leveraging frameworks and libraries such as Radix UI, Material UI and Bootstrap, while adhering to WCAG accessibility standards and cross-browser compatibility- Conducted code reviews, helped enforce code standards, and provided technical mentorship to junior and mid-level developers, fostering a culture of continuous learning and technical excellence- Automated repetitive coding and testing workflows by integrating AI tools like Cursor, Claude, and ChatGPT, significantly improving team productivity. Used AI to: Generate unit tests, validate edge cases, and autocomplete complex boilerplate logic- Refactor legacy codebases and reduce tech debt based on AI-assisted architectural analysis and LLM-powered suggestions- Advocated for consistent engineering processes by contributing to internal front-end architecture decisions, creating scalable project scaffolds, and standardizing naming conventions across the codebase.