Lead frontend architecture decisions and establish coding standards for React and TypeScript applications
Develop responsive, accessible web applications using Next.js, TypeScript, and modern UI libraries
Build Progressive Web App (PWA) capabilities to enhance user experience
Implement multi-language support (Portuguese-BR, Spanish-LATAM, English) using internationalization libraries
Design and develop reusable component libraries following design system principles
Integrate frontend applications with RESTful APIs and GraphQL endpoints
Implement complex state management using Redux Toolkit and React Query
Build advanced forms with dynamic field validation and conditional logic for insurance workflows
Develop data visualization components for dashboards, reports, and analytics (charts, loss triangles)
Implement role-based UI rendering and field-level permission controls
Optimize application performance including code splitting, lazy loading, and bundle optimization
Establish and maintain automated testing strategies (unit, integration, end-to-end testing)
Lead code reviews and mentor mid-level and junior frontend developers
Collaborate with UX/UI designers to implement pixel-perfect, user-friendly interfaces
Ensure cross-browser compatibility and mobile responsiveness across all supported devices
Implement security best practices including XSS prevention and secure authentication flows

Experience with Next.js
Experience with React, Next.js, and TypeScript
Advanced knowledge of modern React features (hooks, context, suspense, concurrent features)
Proficient in state management solutions (Redux Toolkit, Zustand, or similar)
Strong experience with CSS-in-JS solutions, Styled Components, or CSS modules
Experience building responsive, mobile-first applications with modern CSS frameworks
Knowledge of frontend build tools (Webpack, Vite, Rollup) and package managers
Proficient in automated testing (Jest, React Testing Library, Cypress, Playwright)
Experience with internationalization (i18n) and localization (l10n) for multi-language applications
Strong understanding of web accessibility (WCAG guidelines) and semantic HTML
Experience with performance optimization techniques and Core Web Vitals
Knowledge of Progressive Web App development and service workers
Familiarity with design systems and component library development
Experience with Git workflows, code reviews, and collaborative development
Leadership experience mentoring junior developers and leading technical discussions
Strong problem-solving skills and attention to detail
Excellent communication skills for cross-functional collaboration

Health and dental insurance
Meal and food allowance
Childcare assistance
Extended paternity leave
Partnerships with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass
Profit sharing and results participation (PLR)
Life insurance
Continuous learning platform (CI&T University)
Discount club
Free online platform dedicated to physical, mental, and overall well-being
Pregnancy and responsible parenting course
Partnerships with online learning platforms
Language learning platform

Senior React Native Developer

Key skills