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Sigma Software Group

Middle/Senior Front-End Developer (React/TypeScript)

São Paulo, SP, BrazilPosted 4 days ago
Full-timeonsiteMid-Senior Level

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 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 and contribute to continuous improvement and knowledge sharing
  • Work independently in a fast-paced environment, supporting estimations, problem-solving, and technical discussions
  • 5+ 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, including experience with 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
  • At least an Upper-Intermediate level of English

WILL BE A PLUS

  • Experience with ERP systems
  • Familiarity with UI/UX design principles

PERSONAL PROFILE

  • Proactive and self-motivated
  • Strong attention to detail
  • Excellent communication skills
  • Ability to work in cross-functional teams
  • Adaptable to fast-paced environments

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Middle/Senior Front-End Developer (React/TypeScript) at Sigma Software Group | Renata