Senior Front-end Engineer (React)

Senior level experience with 5+ years of professional software engineering experience3+ years of production React experienceDeep proficiency in modern React, including hooks, functional components, and state managementStrong command of TypeScript and ES6+Proven track record of optimizing frontend performance, including bundle size, render cycles, and lazy loadingExperience with testing frameworks such as Jest and React Testing LibrarySolid understanding of RESTful APIs and asynchronous JavaScript patternsSkillsReactTypeScriptJavaScriptES6+JestReact Testing LibraryREST APIsState ManagementFrontend Performance Optimization Architect and build complex React components and feature modules with minimal guidance.Optimize application performance through code splitting, memoization, and efficient state management.Review code and mentor mid-level developers on React best practices.Collaborate with backend engineers to design API contracts and data flows.Diagnose and resolve production issues across various browsers and devices.Maintain high test coverage and documentation standards. This role is for a Senior Frontend Engineer to drive the development of responsive, high-performance web interfaces using React. You will own feature implementation end to end, from component architecture to production deployment, working with autonomy on a remote team distributed across LATAM. You will make architectural decisions and collaborate with backend engineers to design clean, maintainable systems. Your work directly shapes user experience for a highly precise tax preparation platform where speed, accuracy, and accessibility are critical. You will identify bottlenecks, refactor legacy code, and establish frontend best practices that raise the team's overall output quality.