React/React Native Developer III

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November 18

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Grupo Boticário

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Beauty • Retail • Wellness

Grupo Boticário is a leading Brazilian beauty company founded in 1977 that emphasizes innovation in beauty solutions while promoting love and inclusivity. The company offers a diverse portfolio of beauty products, including skincare, makeup, and wellness items, while also championing entrepreneurship and social impact through its foundation and various initiatives. Grupo Boticário is recognized for its commitment to sustainability, accessibility, and high-quality products, making it one of the largest beauty platforms in Latin America.

10,000+ employees

Founded 2010

💄 Beauty

🛒 Retail

🧘 Wellness

📋 Description

• As part of the User Experience team, the developer will be responsible for designing, implementing, and maintaining high-quality, reusable components as part of the team dedicated to building, supporting, and evolving Grupo Boticário’s Design System. • Work directly with UX designers, Product Managers, and development teams to ensure the system is performant, accessible, and optimized mobile-first, delivering in agile cycles. • Serve as a technical reference for implementing components in React and React Native, promoting best practices, conducting code reviews, and mentoring teammates. • Design and implement reusable components and native modules when necessary (iOS/Android and web), ensuring visual and behavioral consistency. • Write and maintain automated tests (unit, integration, and snapshot tests) and create performance tests where applicable. • Conduct code reviews and pair programming, helping the team evolve project patterns and architecture. • Collaborate with designers to transform prototypes (Figma) into accessible, documented components. • Identify and implement performance improvements (rendering, bundle size, tree-shaking, lazy loading) and build optimizations for monorepos. • Contribute to CI/CD pipelines, internal package publication, and automation (publishing, snapshot flows, release flows). • Support other teams, answer Design System questions, and assist component adoption. • Keep technical and usage documentation of components up to date. • Research and adopt new technologies and improvements when justified by the product.

🎯 Requirements

• We are looking for a senior developer with proven experience building and evolving reusable component libraries for multiple platforms (Mobile and Web). • Senior proficiency in React and React Native: • Proven experience (minimum of 3 years in production) developing and evolving components, with deep knowledge of the ecosystem (Hermes, Metro, Fast Refresh, CSS-in-JS, CSS3, HTML5). • Proven experience implementing and maintaining Design Systems in React/React Native, ensuring consistency and quality at scale. • TypeScript and Code Quality: • Strong command of TypeScript in React/React Native projects, preferably within a component/library monorepo architecture. • Experience with linting (ESLint), formatting (Prettier), and defining code quality policies. • Testing and Quality Assurance (QA): • Proficiency in automated testing (unit tests with Jest, integration with @testing-library/react-native, and E2E with Detox or alternatives). • Experience reading test reports and quickly addressing regressions. • Performance and Scalability: • Experience in performance analysis (performance tuning) and component optimization (use of memo, useMemo, useCallback). • Familiarity with analysis tools such as React Profiler and bundle analyzers. • Familiarity with bundle-size reduction techniques (code splitting, tree-shaking, lazy imports). • Infrastructure and Pipelines (CI/CD): • Experience with robust CI/CD (GitHub Actions, Bitrise, Fastlane, etc.) and publishing pipelines. • Experience managing and publishing private packages (GitHub Packages, Artifactory). • Accessibility and Design Tokens: • Solid understanding of Accessibility (A11y), semantics, and implementation best practices for mobile and web components. • Deep knowledge and practical experience with Design Tokens and their lifecycle (integration with Figma and transformation into variables/tokens in code). • Documentation: • Experience documenting components using visual tools such as Storybook (for RN and Web), Chromatic, or Ladle. • Desirable: • Knowledge of monorepo architectures (Yarn Workspaces, pnpm or similar) and bundlers (Metro, Vite, Rollup) applied to libraries and apps. • Experience building native components (modules or views) for iOS (Swift/Obj-C) and Android (Kotlin/Java) is a plus. • Experience with CI/CD (GitHub Actions, Bitrise, Fastlane, etc.) and publishing private packages (GitHub Packages, Artifactory). • Experience integrating with Figma / design tokens and transforming them into code tokens.

🏖️ Benefits

• Health is a priority here: • Medical and dental insurance • Medication assistance • Health allowance for family members • Free psychotherapy sessions • Telemedicine and second medical opinion • Free flu vaccine • Health care programs • For your Nutrition: • Meal voucher or local restaurant allowance (depending on work model) • Food allowance • Holiday food allowance • Ensuring well-being and quality of life in all aspects: • Gym and fitness studio plan • Home office allowance (for hybrid and remote work models) • Pet health plan • Birthday day off • Up to 40% discount on our products • Employee membership benefits (discounts and partnerships: multi-brand store, gyms, courses, and more) • Travel and accommodation program • For Family, our most precious asset: • Childcare assistance • Child nutrition credit • Babysitter allowance • School supplies assistance • Legal, psychological, and social guidance • Support for atypical parents • Extended parental leave (180 days for mothers and 120 days for fathers) • Mobility for your on-site commute: • Transportation voucher and parking (hybrid and on-site models) • Financial security for protection and peace of mind: • Life insurance • Support in the event of parents' passing • Private pension plan • Payroll-deductible loans