SS
Senior Front-End Developer (React.js)
Posted 20 days ago
RemoteSão Paulo, SP, BrazilSE
Job Description
- 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
Qualifications
- 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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Sigma Software
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