
React.js/React Native Developer III
Posted Jul 29

Posted Jul 29
This is a fully remote position, open to applicants in Brazil.
• Design System Development: Play an active role in creating, maintaining, and governing the corporate Design System by developing reusable, scalable, and accessible components to harmonize the engineering and design experience across teams.
• Technical Guidance and Standards: Take a proactive approach in developing new applications, techniques, and coding standards, while encouraging the creation of guidelines and best practices.
• Innovative Problem Solving: Generate inventive solutions for challenges that demand innovation, ensuring that deliverables align with the strategic objectives of the area.
• Quality Improvement Culture: Enhance the quality of code reviews, adhere to established standards, and seek external benchmarks for ongoing improvement.
• Operational Excellence (Incident Management): Support the resolution of critical incidents, offer technical assistance to fellow developers, lead monitoring initiatives, and promote a culture of post-mortems.
• Project and Value Oversight: Evaluate epics and projects to ensure that incremental value is being delivered.
• Institutional Liaison: Serve as the technical point of contact for projects and contracts, engaging with external partners and coordinating requests between organizations as needed.
• Strong Foundations: Expertise in semantic HTML5 and native CSS3.
• Experience with Design Systems: Proven experience in developing and maintaining scalable component libraries and Design System architecture.
• Proficiency in Design Patterns and Clean Architecture: Deep understanding of design patterns, SOLID principles, and Clean Code practices to ensure a codebase that is readable, testable, and maintainable.
• Knowledge of Mobile Ecosystem: Experience with React Native; familiarity with Flutter and Dart is an advantage.
• Expertise in Web Ecosystem: Advanced proficiency with TypeScript and ReactJS.
• Testing Proficiency: Experience in writing unit tests for components (using Jest, Vitest, or similar tools).
• Implementation of Design Tokens and Theming: Strategic application of token architecture (Design Tokens) integrated with design tools (such as Figma).
• Architectural Knowledge: Understanding of how to build components that are independent of business rules.
• DevOps Knowledge: Familiarity with CI/CD workflows.
• Accessibility Awareness: Knowledge of and ability to implement WCAG AA guidelines.
• Here, your Health is a priority
• Medical and dental plan
• 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 allowance or local restaurant voucher (depending on work model)
• Food allowance
• Holiday food allowance
• Ensuring Well-being and Quality of Life in all aspects
• Gym and fitness studio plans
• Home office allowance (for hybrid and remote work models)
• Pet health plan
• Birthday day off
• Up to 40% discount on our products
• Employee association (partnerships and discounts, multi-brand store, TotalPass gyms, courses and more)
• Travel and accommodation program
• For the Family, our most precious asset
• Childcare allowance
• Child nutrition credit
• Babysitter allowance
• School supplies allowance
• Legal, psychological and social counseling
• Support for atypical parents
• Extended parental leave (180 days for mothers and 120 days for fathers)
• Mobility for your on-site commute
• Commuter benefit and parking (hybrid and on-site models)
• Financial security and peace of mind
• Life insurance
• Support in case of parents' death
• Private pension plan
• Payroll-deductible loans
Elfonze Technologies
Katmai Government Services
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