Senior Front-End Developer (React.js)
Sigma Software GroupSão Paulo, Brazil
Posted May 27, 2026
Full Time
About the Company
Sigma Software values innovation, quality, and collaboration.
Job Description
We are looking for a Senior Front-End Developer with expertise in React.js to join our team and work on cutting-edge solutions for the travel and hospitality domain.
Requirements
- 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
Benefits
- Flexible work schedule
- Generous parental leave
- Professional development opportunities