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Senior Front-End Developer (React.js)

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Sigmasoftware2 logoSigmasoftware2 · São Paulo, Brazil
Full-timeRemote2w ago
AccessibilityAWSAzureCI/CDGCPGraphQL
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About the role

Develop and maintain scalable web applications using React.js and TypeScript Build responsive, user-friendly, and reusable UI components following best practices Integrate frontend applications with APIs and backend services Collaborate closely with product, backend, and UX teams to clarify requirements and deliver solutions Write clean, maintainable, and efficient code with strong testing and debugging practices Troubleshoot and resolve issues across frontend applications and user flows Participate in code reviews, knowledge sharing, and continuous improvement initiatives Support estimations, problem-solving, and technical discussions in a fast-paced environment 7+ years of experience in front-end development with React.js Strong understanding of JavaScript (ES6+), TypeScript, Next.js, HTML5, and CSS3 Hands-on experience with GraphQL (Apollo Client or similar) Familiarity with React Hooks, Context API, and Redux (Redux-Saga optional) Experience with RESTful APIs and third-party integrations Understanding of component-based architecture and state management Knowledge of performance optimization and debugging techniques WILL BE A PLUS Experience with CI/CD pipelines Familiarity with cloud platforms (AWS, Azure, GCP) Knowledge of automated testing frameworks Understanding of accessibility standards in web development Experience in travel or hospitality domain projects


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